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-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/default.nix162
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/fetch.sh1
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/qtbase-fixguicmake.patch30
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/qtbase.patch1106
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/qtdeclarative.patch46
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/qtscript.patch13
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/qtserialport.patch22
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/qttools.patch86
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebengine-darwin-no-platform-check.patch37
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebengine-no-build-skip.patch12
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebkit.patch12
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.11/srcs.nix325
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/default.nix167
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/fetch.sh1
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qtbase-fixguicmake.patch30
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qtbase.patch1156
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qtdeclarative.patch33
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qtscript.patch13
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qtserialport.patch22
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qttools.patch15
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-CVE-2019-5786.patch26
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-darwin-no-platform-check.patch33
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-no-build-skip.patch12
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit-darwin-no-qos-classes.patch11
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit-darwin-no-readline.patch45
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit.patch12
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.12/srcs.nix325
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.6/default.nix193
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.6/fetch.sh2
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.6/qtbase-fixguicmake.patch30
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.6/qtbase.patch795
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.6/qtdeclarative.patch20
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.6/qtscript.patch13
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.6/qtserialport.patch22
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.6/qttools.patch64
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.6/qtwebengine-seccomp.patch24
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.6/qtwebkit.patch149
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.6/srcs.nix309
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/default.nix160
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/fetch.sh1
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/qtbase-fixguicmake.patch30
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/qtbase.patch1141
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/qtdeclarative.patch33
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/qtscript.patch13
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/qtserialport.patch22
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/qttools.patch71
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-clang-fix.patch38
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-darwin-no-platform-check.patch50
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-no-build-skip.patch12
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebkit.patch64
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/5.9/srcs.nix333
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/README.md81
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/hooks/fix-qt-builtin-paths.sh64
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/hooks/fix-qt-module-paths.sh36
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/hooks/move-qt-dev-tools.sh34
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/hooks/qmake-hook.sh23
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/hooks/qtbase-setup-hook.sh66
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/hooks/qttools-setup-hook.sh1
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/hooks/wrap-qt-apps-hook.sh102
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/mkDerivation.nix32
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtbase.nix387
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtcharts.nix7
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtconnectivity.nix8
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtdeclarative.nix26
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtdoc.nix7
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtgraphicaleffects.nix7
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtimageformats.nix6
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtlocation.nix14
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtmacextras.nix10
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtmultimedia.nix16
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtnetworkauth.nix6
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtquickcontrols.nix6
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtquickcontrols2.nix7
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtscript.nix6
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtsensors.nix7
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtserialport.nix11
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtspeech.nix7
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtsvg.nix7
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qttools.nix39
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qttranslations.nix6
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtvirtualkeyboard.nix6
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtwayland.nix9
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebchannel.nix8
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebengine.nix225
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebglplugin.nix6
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebkit.nix72
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebsockets.nix7
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebview.nix14
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtx11extras.nix6
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/modules/qtxmlpatterns.nix7
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/qt-env.nix21
-rw-r--r--nixpkgs/pkgs/development/libraries/qt-5/qtModule.nix59
92 files changed, 8811 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/default.nix b/nixpkgs/pkgs/development/libraries/qt-5/5.11/default.nix
new file mode 100644
index 000000000000..7f0937db30f0
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/default.nix
@@ -0,0 +1,162 @@
+/*
+
+# Updates
+
+Before a major version update, make a copy of this directory. (We like to
+keep the old version around for a short time after major updates.) Add a
+top-level attribute to `top-level/all-packages.nix`.
+
+1. Update the URL in `pkgs/development/libraries/qt-5/$VERSION/fetch.sh`.
+2. From the top of the Nixpkgs tree, run
+   `./maintainers/scripts/fetch-kde-qt.sh > pkgs/development/libraries/qt-5/$VERSION/srcs.nix`.
+3. Check that the new packages build correctly.
+4. Commit the changes and open a pull request.
+
+*/
+
+{
+  newScope,
+  stdenv, fetchurl, fetchFromGitHub, makeSetupHook, makeWrapper,
+  bison, cups ? null, harfbuzz, libGL, perl,
+  gstreamer, gst-plugins-base, gtk3, dconf,
+  llvmPackages_5,
+
+  # options
+  developerBuild ? false,
+  decryptSslTraffic ? false,
+  debug ? false,
+}:
+
+with stdenv.lib;
+
+let
+
+  qtCompatVersion = srcs.qtbase.version;
+
+  stdenvActual = if stdenv.cc.isClang then llvmPackages_5.stdenv else stdenv;
+
+  mirror = "https://download.qt.io";
+  srcs = import ./srcs.nix { inherit fetchurl; inherit mirror; } // {
+    # Community port of the now unmaintained upstream qtwebkit.
+    qtwebkit = {
+      src = fetchFromGitHub {
+        owner = "annulen";
+        repo = "webkit";
+        rev = "4ce8ebc4094512b9916bfa5984065e95ac97c9d8";
+        sha256 = "05h1xnxzbf7sp3plw5dndsvpf6iigh0bi4vlj4svx0hkf1giakjf";
+      };
+      version = "5.212-alpha-01-26-2018";
+    };
+  };
+
+  patches = {
+    qtbase = [
+      ./qtbase.patch
+      ./qtbase-fixguicmake.patch
+    ];
+    qtdeclarative = [ ./qtdeclarative.patch ];
+    qtscript = [ ./qtscript.patch ];
+    qtserialport = [ ./qtserialport.patch ];
+    qttools = [ ./qttools.patch ];
+    qtwebengine = [
+      ./qtwebengine-no-build-skip.patch
+      ./qtwebengine-darwin-no-platform-check.patch
+    ];
+    qtwebkit = [ ./qtwebkit.patch ];
+  };
+
+  qtModule =
+    import ../qtModule.nix
+    {
+      inherit perl;
+      inherit (stdenv) lib;
+      # Use a variant of mkDerivation that does not include wrapQtApplications
+      # to avoid cyclic dependencies between Qt modules.
+      mkDerivation =
+        import ../mkDerivation.nix
+        { inherit (stdenv) lib; inherit debug; wrapQtAppsHook = null; }
+        stdenvActual.mkDerivation;
+    }
+    { inherit self srcs patches; };
+
+  addPackages = self: with self;
+    let
+      callPackage = self.newScope { inherit qtCompatVersion qtModule srcs; };
+    in {
+
+      mkDerivationWith =
+        import ../mkDerivation.nix
+        { inherit (stdenv) lib; inherit debug; inherit (self) wrapQtAppsHook; };
+
+      mkDerivation = mkDerivationWith stdenvActual.mkDerivation;
+
+      qtbase = callPackage ../modules/qtbase.nix {
+        inherit (srcs.qtbase) src version;
+        patches = patches.qtbase;
+        inherit bison cups harfbuzz libGL;
+        withGtk3 = true; inherit dconf gtk3;
+        inherit developerBuild decryptSslTraffic;
+      };
+
+      qtcharts = callPackage ../modules/qtcharts.nix {};
+      qtconnectivity = callPackage ../modules/qtconnectivity.nix {};
+      qtdeclarative = callPackage ../modules/qtdeclarative.nix {};
+      qtdoc = callPackage ../modules/qtdoc.nix {};
+      qtgraphicaleffects = callPackage ../modules/qtgraphicaleffects.nix {};
+      qtimageformats = callPackage ../modules/qtimageformats.nix {};
+      qtlocation = callPackage ../modules/qtlocation.nix { };
+      qtmacextras = callPackage ../modules/qtmacextras.nix {};
+      qtmultimedia = callPackage ../modules/qtmultimedia.nix {
+        inherit gstreamer gst-plugins-base;
+      };
+      qtnetworkauth = callPackage ../modules/qtnetworkauth.nix {};
+      qtquick1 = null;
+      qtquickcontrols = callPackage ../modules/qtquickcontrols.nix {};
+      qtquickcontrols2 = callPackage ../modules/qtquickcontrols2.nix {};
+      qtscript = callPackage ../modules/qtscript.nix {};
+      qtsensors = callPackage ../modules/qtsensors.nix {};
+      qtserialport = callPackage ../modules/qtserialport.nix {};
+      qtspeech = callPackage ../modules/qtspeech.nix {};
+      qtsvg = callPackage ../modules/qtsvg.nix {};
+      qttools = callPackage ../modules/qttools.nix {};
+      qttranslations = callPackage ../modules/qttranslations.nix {};
+      qtvirtualkeyboard = callPackage ../modules/qtvirtualkeyboard.nix {};
+      qtwayland = callPackage ../modules/qtwayland.nix {};
+      qtwebchannel = callPackage ../modules/qtwebchannel.nix {};
+      qtwebengine = callPackage ../modules/qtwebengine.nix {};
+      qtwebglplugin = callPackage ../modules/qtwebglplugin.nix {};
+      qtwebkit = callPackage ../modules/qtwebkit.nix {};
+      qtwebsockets = callPackage ../modules/qtwebsockets.nix {};
+      qtwebview = callPackage ../modules/qtwebview.nix {};
+      qtx11extras = callPackage ../modules/qtx11extras.nix {};
+      qtxmlpatterns = callPackage ../modules/qtxmlpatterns.nix {};
+
+      env = callPackage ../qt-env.nix {};
+      full = env "qt-full-${qtbase.version}" ([
+        qtcharts qtconnectivity qtdeclarative qtdoc qtgraphicaleffects
+        qtimageformats qtlocation qtmultimedia qtquickcontrols qtquickcontrols2
+        qtscript qtsensors qtserialport qtsvg qttools qttranslations
+        qtvirtualkeyboard qtwebchannel qtwebengine qtwebkit qtwebsockets
+        qtwebview qtx11extras qtxmlpatterns
+      ] ++ optional (!stdenv.isDarwin) qtwayland
+        ++ optional (stdenv.isDarwin) qtmacextras);
+
+      qmake = makeSetupHook {
+        deps = [ self.qtbase.dev ];
+        substitutions = {
+          inherit (stdenv) isDarwin;
+          qtbase_dev = self.qtbase.dev;
+          fix_qt_builtin_paths = ../hooks/fix-qt-builtin-paths.sh;
+        };
+      } ../hooks/qmake-hook.sh;
+
+      wrapQtAppsHook = makeSetupHook {
+        deps =
+          [ self.qtbase.dev makeWrapper ]
+          ++ optional stdenv.isLinux self.qtwayland.dev;
+      } ../hooks/wrap-qt-apps-hook.sh;
+    };
+
+   self = makeScope newScope addPackages;
+
+in self
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/fetch.sh b/nixpkgs/pkgs/development/libraries/qt-5/5.11/fetch.sh
new file mode 100644
index 000000000000..2ab3dd71c24f
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/fetch.sh
@@ -0,0 +1 @@
+WGET_ARGS=( http://download.qt.io/official_releases/qt/5.11/5.11.3/submodules/ )
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtbase-fixguicmake.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtbase-fixguicmake.patch
new file mode 100644
index 000000000000..8b46d432812a
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtbase-fixguicmake.patch
@@ -0,0 +1,30 @@
+diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+index 0bbc871..3673634 100644
+--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+@@ -286,7 +286,7 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+     macro(_populate_$${CMAKE_MODULE_NAME}_plugin_properties Plugin Configuration PLUGIN_LOCATION)
+         set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-        set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
++        set(imported_location \"${PLUGIN_LOCATION}\")
+         _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+         set_target_properties(Qt5::${Plugin} PROPERTIES
+             \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff --git a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+index 5baf0fd..3583745 100644
+--- a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+@@ -2,10 +2,10 @@
+ add_library(Qt5::$$CMAKE_PLUGIN_NAME MODULE IMPORTED)
+ 
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_LOCATION_RELEASE}\")
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_RELEASE}\")
+ !!ENDIF
+ !!IF !isEmpty(CMAKE_DEBUG_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_LOCATION_DEBUG}\")
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_DEBUG}\")
+ !!ENDIF
+ 
+ list(APPEND Qt5$${CMAKE_MODULE_NAME}_PLUGINS Qt5::$$CMAKE_PLUGIN_NAME)
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtbase.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtbase.patch
new file mode 100644
index 000000000000..7d8407f6daf8
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtbase.patch
@@ -0,0 +1,1106 @@
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/common/mac.conf qtbase-everywhere-src-5.11.3/mkspecs/common/mac.conf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/common/mac.conf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/common/mac.conf	2019-01-31 00:42:55.843577249 +0100
+@@ -23,7 +23,7 @@
+ 
+ QMAKE_FIX_RPATH         = install_name_tool -id
+ 
+-QMAKE_LFLAGS_RPATH      = -Wl,-rpath,
++QMAKE_LFLAGS_RPATH      =
+ QMAKE_LFLAGS_GCSECTIONS = -Wl,-dead_strip
+ 
+ QMAKE_LFLAGS_REL_RPATH  =
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/create_cmake.prf qtbase-everywhere-src-5.11.3/mkspecs/features/create_cmake.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/create_cmake.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/create_cmake.prf	2019-01-31 00:42:55.843577249 +0100
+@@ -21,7 +21,7 @@
+ # at cmake time whether package has been found via a symlink, and correct
+ # that to an absolute path. This is only done for installations to
+ # the /usr or / prefix.
+-CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$[QT_INSTALL_LIBS])
++CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$NIX_OUTPUT_OUT/lib/)
+ contains(CMAKE_INSTALL_LIBS_DIR, ^(/usr)?/lib(64)?.*): CMAKE_USR_MOVE_WORKAROUND = $$CMAKE_INSTALL_LIBS_DIR
+ 
+ CMAKE_OUT_DIR = $$MODULE_BASE_OUTDIR/lib/cmake
+@@ -51,45 +51,20 @@
+         $$cmake_extra_source_includes.output
+ }
+ 
+-CMAKE_INCLUDE_DIR = $$cmakeRelativePath($$[QT_INSTALL_HEADERS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_INCLUDE_DIR, "^\\.\\./.*") {
+-    CMAKE_INCLUDE_DIR = $$[QT_INSTALL_HEADERS]/
+-    CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_INCLUDE_DIR = $$NIX_OUTPUT_DEV/include/
++CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_LIB_DIR = $$cmakeRelativePath($$[QT_INSTALL_LIBS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_LIB_DIR,"^\\.\\./.*") {
+-    CMAKE_LIB_DIR = $$[QT_INSTALL_LIBS]/
+-    CMAKE_LIB_DIR_IS_ABSOLUTE = True
+-} else {
+-    CMAKE_RELATIVE_INSTALL_LIBS_DIR = $$cmakeRelativePath($$[QT_INSTALL_PREFIX], $$[QT_INSTALL_LIBS])
+-    # We need to go up another two levels because the CMake files are
+-    # installed in $${CMAKE_LIB_DIR}/cmake/Qt5$${CMAKE_MODULE_NAME}
+-    CMAKE_RELATIVE_INSTALL_DIR = "$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}../../"
+-}
++CMAKE_BIN_DIR = $$NIX_OUTPUT_BIN/bin/
++CMAKE_BIN_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_BIN_DIR = $$cmakeRelativePath($$[QT_HOST_BINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_BIN_DIR, "^\\.\\./.*") {
+-    CMAKE_BIN_DIR = $$[QT_HOST_BINS]/
+-    CMAKE_BIN_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_LIB_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_LIB_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_PLUGIN_DIR = $$cmakeRelativePath($$[QT_INSTALL_PLUGINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_PLUGIN_DIR, "^\\.\\./.*") {
+-    CMAKE_PLUGIN_DIR = $$[QT_INSTALL_PLUGINS]/
+-    CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
+-}
+-
+-win32:!static:!staticlib {
+-    CMAKE_DLL_DIR = $$cmakeRelativePath($$[QT_INSTALL_BINS], $$[QT_INSTALL_PREFIX])
+-    contains(CMAKE_DLL_DIR, "^\\.\\./.*") {
+-        CMAKE_DLL_DIR = $$[QT_INSTALL_BINS]/
+-        CMAKE_DLL_DIR_IS_ABSOLUTE = True
+-    }
+-} else {
+-    CMAKE_DLL_DIR = $$CMAKE_LIB_DIR
+-    CMAKE_DLL_DIR_IS_ABSOLUTE = $$CMAKE_LIB_DIR_IS_ABSOLUTE
+-}
++CMAKE_PLUGIN_DIR = $$NIX_OUTPUT_PLUGIN/
++CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
++ 
++CMAKE_DLL_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_DLL_DIR_IS_ABSOLUTE = True
+ 
+ static|staticlib:CMAKE_STATIC_TYPE = true
+ 
+@@ -169,7 +144,7 @@
+       cmake_target_file
+ 
+     cmake_qt5_plugin_file.files = $$cmake_target_file.output
+-    cmake_qt5_plugin_file.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++    cmake_qt5_plugin_file.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+     INSTALLS += cmake_qt5_plugin_file
+ 
+     return()
+@@ -316,7 +291,7 @@
+     cmake_qt5_module_files.files += $$cmake_macros_file.output
+ }
+ 
+-cmake_qt5_module_files.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++cmake_qt5_module_files.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+ 
+ # We are generating cmake files. Most developers of Qt are not aware of cmake,
+ # so we require automatic tests to be available. The only module which should
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in qtbase-everywhere-src-5.11.3/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in	2019-01-31 00:42:55.843577249 +0100
+@@ -3,30 +3,6 @@
+     message(FATAL_ERROR \"Qt 5 $${CMAKE_MODULE_NAME} module requires at least CMake version 3.1.0\")
+ endif()
+ 
+-!!IF !isEmpty(CMAKE_USR_MOVE_WORKAROUND)
+-!!IF !isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ELSE
+-get_filename_component(_IMPORT_PREFIX \"${CMAKE_CURRENT_LIST_FILE}\" PATH)
+-# Use original install prefix when loaded through a
+-# cross-prefix symbolic link such as /lib -> /usr/lib.
+-get_filename_component(_realCurr \"${_IMPORT_PREFIX}\" REALPATH)
+-get_filename_component(_realOrig \"$$CMAKE_INSTALL_LIBS_DIR/cmake/Qt5$${CMAKE_MODULE_NAME}\" REALPATH)
+-if(_realCurr STREQUAL _realOrig)
+-    get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$CMAKE_INSTALL_LIBS_DIR/$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}\" ABSOLUTE)
+-else()
+-    get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-endif()
+-unset(_realOrig)
+-unset(_realCurr)
+-unset(_IMPORT_PREFIX)
+-!!ENDIF
+-!!ELIF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-!!ELSE
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ENDIF
+-
+ !!IF !equals(TEMPLATE, aux)
+ # For backwards compatibility only. Use Qt5$${CMAKE_MODULE_NAME}_VERSION instead.
+ set(Qt5$${CMAKE_MODULE_NAME}_VERSION_STRING "$$eval(QT.$${MODULE}.VERSION)")
+@@ -52,11 +28,7 @@
+ macro(_populate_$${CMAKE_MODULE_NAME}_target_properties Configuration LIB_LOCATION IMPLIB_LOCATION)
+     set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ENDIF
+     _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+     set_target_properties(Qt5::$${CMAKE_MODULE_NAME} PROPERTIES
+         \"INTERFACE_LINK_LIBRARIES\" \"${_Qt5$${CMAKE_MODULE_NAME}_LIB_DEPENDENCIES}\"
+@@ -69,11 +41,7 @@
+     )
+ 
+ !!IF !isEmpty(CMAKE_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_implib \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ELSE
+     set(imported_implib \"IMPORTED_IMPLIB_${Configuration}\" \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ENDIF
+     _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_implib})
+     if(NOT \"${IMPLIB_LOCATION}\" STREQUAL \"\")
+         set_target_properties(Qt5::$${CMAKE_MODULE_NAME} PROPERTIES
+@@ -89,24 +57,13 @@
+ !!IF !no_module_headers
+ !!IF !isEmpty(CMAKE_BUILD_IS_FRAMEWORK)
+     set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS
+-      \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework\"
+-      \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Headers\"
++      \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework\"
++      \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Headers\"
+     )
+ !!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/\"
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+-    )
+-!!ELSE
+-    set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+-!!ENDIF
+-!!ELSE
+-!!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+-    set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR\" \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}\")
+-!!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+-    set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION\"
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION/$${MODULE_INCNAME}\"
++        \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/\"
++        \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+     )
+ !!ELSE
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+@@ -122,7 +79,6 @@
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+ !!ENDIF
+ !!ENDIF
+-!!ENDIF
+ !!IF !isEmpty(CMAKE_ADD_SOURCE_INCLUDE_DIRS)
+     include(\"${CMAKE_CURRENT_LIST_DIR}/ExtraSourceIncludes.cmake\" OPTIONAL)
+ !!ENDIF
+@@ -269,25 +225,13 @@
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_DEBUG_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+     if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" \"\" )
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+     if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ELSE
+         \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ENDIF
+       AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE
+         \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+     endif()
+@@ -306,25 +250,13 @@
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_RELEASE_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+     if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" \"\" )
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+     if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ELSE
+         \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ENDIF
+       AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE
+         \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+     endif()
+@@ -343,11 +275,7 @@
+     macro(_populate_$${CMAKE_MODULE_NAME}_plugin_properties Plugin Configuration PLUGIN_LOCATION)
+         set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-!!IF isEmpty(CMAKE_PLUGIN_DIR_IS_ABSOLUTE)
+-        set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ELSE
+         set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ENDIF
+         _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+         set_target_properties(Qt5::${Plugin} PROPERTIES
+             \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/mac/default_post.prf qtbase-everywhere-src-5.11.3/mkspecs/features/mac/default_post.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/mac/default_post.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/mac/default_post.prf	2019-01-31 00:45:14.585621324 +0100
+@@ -62,199 +62,3 @@
+         }
+     }
+ }
+-
+-# Add the same default rpaths as Xcode does for new projects.
+-# This is especially important for iOS/tvOS/watchOS where no other option is possible.
+-!no_default_rpath {
+-    QMAKE_RPATHDIR += @executable_path/Frameworks
+-    equals(TEMPLATE, lib):!plugin:lib_bundle: QMAKE_RPATHDIR += @loader_path/Frameworks
+-}
+-
+-# Don't pass -headerpad_max_install_names when using Bitcode.
+-# In that case the linker emits a warning stating that the flag is ignored when
+-# used with bitcode, for reasons that cannot be determined (rdar://problem/20748962).
+-# Using this flag is also unnecessary in practice on UIKit platforms since they
+-# are sandboxed, and only UIKit platforms support bitcode to begin with.
+-!bitcode: QMAKE_LFLAGS += $$QMAKE_LFLAGS_HEADERPAD
+-
+-app_extension_api_only {
+-    QMAKE_CFLAGS              += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_CXXFLAGS            += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_CXXFLAGS_PRECOMPILE += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_LFLAGS              += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-}
+-
+-macx-xcode {
+-    qmake_pkginfo_typeinfo.name = QMAKE_PKGINFO_TYPEINFO
+-    !isEmpty(QMAKE_PKGINFO_TYPEINFO): \
+-        qmake_pkginfo_typeinfo.value = $$QMAKE_PKGINFO_TYPEINFO
+-    else: \
+-        qmake_pkginfo_typeinfo.value = "????"
+-    QMAKE_MAC_XCODE_SETTINGS += qmake_pkginfo_typeinfo
+-
+-    !isEmpty(VERSION) {
+-        l = $$split(VERSION, '.') 0 0  # make sure there are at least three
+-        VER_MAJ = $$member(l, 0, 0)
+-        VER_MIN = $$member(l, 1, 1)
+-        VER_PAT = $$member(l, 2, 2)
+-        unset(l)
+-
+-        qmake_full_version.name = QMAKE_FULL_VERSION
+-        qmake_full_version.value = $${VER_MAJ}.$${VER_MIN}.$${VER_PAT}
+-        QMAKE_MAC_XCODE_SETTINGS += qmake_full_version
+-
+-        qmake_short_version.name = QMAKE_SHORT_VERSION
+-        qmake_short_version.value = $${VER_MAJ}.$${VER_MIN}
+-        QMAKE_MAC_XCODE_SETTINGS += qmake_short_version
+-    }
+-
+-    !isEmpty(QMAKE_XCODE_DEBUG_INFORMATION_FORMAT) {
+-        debug_information_format.name = DEBUG_INFORMATION_FORMAT
+-        debug_information_format.value = $$QMAKE_XCODE_DEBUG_INFORMATION_FORMAT
+-        debug_information_format.build = debug
+-        QMAKE_MAC_XCODE_SETTINGS += debug_information_format
+-    }
+-
+-    QMAKE_XCODE_ARCHS =
+-
+-    arch_device.name = "ARCHS[sdk=$${device.sdk}*]"
+-    arch_device.value = $$QMAKE_APPLE_DEVICE_ARCHS
+-    QMAKE_XCODE_ARCHS += $$QMAKE_APPLE_DEVICE_ARCHS
+-    QMAKE_MAC_XCODE_SETTINGS += arch_device
+-
+-    simulator {
+-        arch_simulator.name = "ARCHS[sdk=$${simulator.sdk}*]"
+-        arch_simulator.value = $$QMAKE_APPLE_SIMULATOR_ARCHS
+-        QMAKE_XCODE_ARCHS += $$QMAKE_APPLE_SIMULATOR_ARCHS
+-        QMAKE_MAC_XCODE_SETTINGS += arch_simulator
+-    }
+-
+-    only_active_arch.name = ONLY_ACTIVE_ARCH
+-    only_active_arch.value = YES
+-    only_active_arch.build = debug
+-    QMAKE_MAC_XCODE_SETTINGS += only_active_arch
+-} else {
+-    device|!simulator: VALID_DEVICE_ARCHS = $$QMAKE_APPLE_DEVICE_ARCHS
+-    simulator: VALID_SIMULATOR_ARCHS = $$QMAKE_APPLE_SIMULATOR_ARCHS
+-    VALID_ARCHS = $$VALID_DEVICE_ARCHS $$VALID_SIMULATOR_ARCHS
+-
+-    isEmpty(VALID_ARCHS): \
+-        error("QMAKE_APPLE_DEVICE_ARCHS or QMAKE_APPLE_SIMULATOR_ARCHS must contain at least one architecture")
+-
+-    single_arch: VALID_ARCHS = $$first(VALID_ARCHS)
+-
+-    ACTIVE_ARCHS = $(filter $(EXPORT_VALID_ARCHS), $(ARCHS))
+-    ARCH_ARGS = $(foreach arch, $(if $(EXPORT_ACTIVE_ARCHS), $(EXPORT_ACTIVE_ARCHS), $(EXPORT_VALID_ARCHS)), -arch $(arch))
+-
+-    QMAKE_EXTRA_VARIABLES += VALID_ARCHS ACTIVE_ARCHS ARCH_ARGS
+-
+-    arch_flags = $(EXPORT_ARCH_ARGS)
+-
+-    QMAKE_CFLAGS += $$arch_flags
+-    QMAKE_CXXFLAGS += $$arch_flags
+-    QMAKE_LFLAGS += $$arch_flags
+-
+-    QMAKE_PCH_ARCHS = $$VALID_ARCHS
+-
+-    macos: deployment_target = $$QMAKE_MACOSX_DEPLOYMENT_TARGET
+-    ios: deployment_target = $$QMAKE_IOS_DEPLOYMENT_TARGET
+-    tvos: deployment_target = $$QMAKE_TVOS_DEPLOYMENT_TARGET
+-    watchos: deployment_target = $$QMAKE_WATCHOS_DEPLOYMENT_TARGET
+-
+-    # If we're doing a simulator and device build, device and simulator
+-    # architectures use different paths and flags for the sysroot and
+-    # deployment target switch, so we must multiplex them across multiple
+-    # architectures using -Xarch. Otherwise we fall back to the simple path.
+-    # This is not strictly necessary, but results in cleaner command lines
+-    # and makes it easier for people to override EXPORT_VALID_ARCHS to limit
+-    # individual rules to a different set of architecture(s) from the overall
+-    # build (such as machtest in QtCore).
+-    simulator:device {
+-        QMAKE_XARCH_CFLAGS =
+-        QMAKE_XARCH_LFLAGS =
+-        QMAKE_EXTRA_VARIABLES += QMAKE_XARCH_CFLAGS QMAKE_XARCH_LFLAGS
+-
+-        for (arch, VALID_ARCHS) {
+-            contains(VALID_SIMULATOR_ARCHS, $$arch) {
+-                sdk = $$simulator.sdk
+-                version_identifier = $$simulator.deployment_identifier
+-            } else {
+-                sdk = $$device.sdk
+-                version_identifier = $$device.deployment_identifier
+-            }
+-
+-            version_min_flags = \
+-                -Xarch_$${arch} \
+-                -m$${version_identifier}-version-min=$$deployment_target
+-            QMAKE_XARCH_CFLAGS_$${arch} = $$version_min_flags \
+-                -Xarch_$${arch} \
+-                -isysroot$$xcodeSDKInfo(Path, $$sdk)
+-            QMAKE_XARCH_LFLAGS_$${arch} = $$version_min_flags \
+-                -Xarch_$${arch} \
+-                -Wl,-syslibroot,$$xcodeSDKInfo(Path, $$sdk)
+-
+-            QMAKE_XARCH_CFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS_$${arch})
+-            QMAKE_XARCH_LFLAGS += $(EXPORT_QMAKE_XARCH_LFLAGS_$${arch})
+-
+-            QMAKE_EXTRA_VARIABLES += \
+-                QMAKE_XARCH_CFLAGS_$${arch} \
+-                QMAKE_XARCH_LFLAGS_$${arch}
+-        }
+-
+-        QMAKE_CFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS)
+-        QMAKE_CXXFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS)
+-        QMAKE_LFLAGS += $(EXPORT_QMAKE_XARCH_LFLAGS)
+-    } else {
+-        simulator: \
+-            version_identifier = $$simulator.deployment_identifier
+-        else: \
+-            version_identifier = $$device.deployment_identifier
+-        version_min_flag = -m$${version_identifier}-version-min=$$deployment_target
+-        QMAKE_CFLAGS += -isysroot $$QMAKE_MAC_SDK_PATH $$version_min_flag
+-        QMAKE_CXXFLAGS += -isysroot $$QMAKE_MAC_SDK_PATH $$version_min_flag
+-        QMAKE_LFLAGS += -Wl,-syslibroot,$$QMAKE_MAC_SDK_PATH $$version_min_flag
+-    }
+-
+-    # Enable precompiled headers for multiple architectures
+-    QMAKE_CFLAGS_USE_PRECOMPILE =
+-    for (arch, VALID_ARCHS) {
+-        icc_pch_style: \
+-            use_flag = "-pch-use "
+-        else: \
+-            use_flag = -include
+-
+-        # Only use Xarch with multi-arch, as the option confuses ccache
+-        count(VALID_ARCHS, 1, greaterThan): \
+-            QMAKE_CFLAGS_USE_PRECOMPILE += \
+-                -Xarch_$${arch}
+-
+-        QMAKE_CFLAGS_USE_PRECOMPILE += \
+-            $${use_flag}${QMAKE_PCH_OUTPUT_$${arch}}
+-    }
+-    icc_pch_style {
+-        QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE -include ${QMAKE_PCH_INPUT}
+-        QMAKE_CFLAGS_USE_PRECOMPILE =
+-    } else {
+-        QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-        QMAKE_OBJCFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-        QMAKE_OBJCXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-    }
+-
+-    QMAKE_PCH_OUTPUT_EXT = _${QMAKE_PCH_ARCH}$${QMAKE_PCH_OUTPUT_EXT}
+-}
+-
+-cache(QMAKE_XCODE_DEVELOPER_PATH, stash)
+-!isEmpty(QMAKE_XCODE_VERSION): \
+-    cache(QMAKE_XCODE_VERSION, stash)
+-
+-QMAKE_XCODE_LIBRARY_SUFFIX = $$qtPlatformTargetSuffix()
+-
+-xcode_product_bundle_identifier_setting.name = PRODUCT_BUNDLE_IDENTIFIER
+-xcode_product_bundle_identifier_setting.value = $$QMAKE_TARGET_BUNDLE_PREFIX
+-isEmpty(xcode_product_bundle_identifier_setting.value): \
+-    xcode_product_bundle_identifier_setting.value = "com.yourcompany"
+-xcode_product_bundle_target = $$QMAKE_BUNDLE
+-isEmpty(xcode_product_bundle_target): \
+-    xcode_product_bundle_target = ${PRODUCT_NAME:rfc1034identifier}
+-xcode_product_bundle_identifier_setting.value = "$${xcode_product_bundle_identifier_setting.value}.$${xcode_product_bundle_target}"
+-QMAKE_MAC_XCODE_SETTINGS += xcode_product_bundle_identifier_setting
+Only in qtbase-everywhere-src-5.11.3/mkspecs/features/mac: default_post.prf.orig
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/mac/default_pre.prf qtbase-everywhere-src-5.11.3/mkspecs/features/mac/default_pre.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/mac/default_pre.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/mac/default_pre.prf	2019-01-31 00:42:55.843577249 +0100
+@@ -1,60 +1,2 @@
+ CONFIG = asset_catalogs rez $$CONFIG
+ load(default_pre)
+-
+-isEmpty(QMAKE_XCODE_DEVELOPER_PATH) {
+-    # Get path of Xcode's Developer directory
+-    QMAKE_XCODE_DEVELOPER_PATH = $$system("/usr/bin/xcode-select --print-path 2>/dev/null")
+-    isEmpty(QMAKE_XCODE_DEVELOPER_PATH): \
+-        error("Xcode path is not set. Please use xcode-select to choose Xcode installation path.")
+-
+-    # Make sure Xcode path is valid
+-    !exists($$QMAKE_XCODE_DEVELOPER_PATH): \
+-        error("Xcode is not installed in $${QMAKE_XCODE_DEVELOPER_PATH}. Please use xcode-select to choose Xcode installation path.")
+-}
+-
+-isEmpty(QMAKE_XCODEBUILD_PATH): \
+-    QMAKE_XCODEBUILD_PATH = $$system("/usr/bin/xcrun -find xcodebuild 2>/dev/null")
+-
+-!isEmpty(QMAKE_XCODEBUILD_PATH) {
+-    # Make sure Xcode is set up properly
+-    !system("/usr/bin/xcrun xcodebuild -license check 2>/dev/null"): \
+-        error("Xcode not set up properly. You need to confirm the license agreement by running 'sudo xcrun xcodebuild -license accept'.")
+-
+-    isEmpty(QMAKE_XCODE_VERSION) {
+-        # Extract Xcode version using xcodebuild
+-        xcode_version = $$system("/usr/bin/xcrun xcodebuild -version")
+-        QMAKE_XCODE_VERSION = $$member(xcode_version, 1)
+-        isEmpty(QMAKE_XCODE_VERSION): error("Could not resolve Xcode version.")
+-        unset(xcode_version)
+-    }
+-}
+-
+-isEmpty(QMAKE_TARGET_BUNDLE_PREFIX) {
+-    QMAKE_XCODE_PREFERENCES_FILE = $$(HOME)/Library/Preferences/com.apple.dt.Xcode.plist
+-    exists($$QMAKE_XCODE_PREFERENCES_FILE): \
+-        QMAKE_TARGET_BUNDLE_PREFIX = $$system("/usr/libexec/PlistBuddy -c 'print IDETemplateOptions:bundleIdentifierPrefix' $$QMAKE_XCODE_PREFERENCES_FILE 2>/dev/null")
+-
+-    !isEmpty(_QMAKE_CACHE_):!isEmpty(QMAKE_TARGET_BUNDLE_PREFIX): \
+-        cache(QMAKE_TARGET_BUNDLE_PREFIX)
+-}
+-
+-QMAKE_ASSET_CATALOGS_APP_ICON = AppIcon
+-
+-# Make the default debug info format for static debug builds
+-# DWARF instead of DWARF with dSYM. This cuts down build times
+-# for application debug builds significantly, as Xcode doesn't
+-# have to pull out all the DWARF info from the Qt static libs
+-# and put it into a dSYM file. We don't need that dSYM file in
+-# the first place, since the information is available in the
+-# object files inside the archives (static libraries).
+-macx-xcode:qtConfig(static): \
+-    QMAKE_XCODE_DEBUG_INFORMATION_FORMAT = dwarf
+-
+-# This variable is used by the xcode_dynamic_library_suffix
+-# feature, which allows Xcode to choose the Qt libraries to link to
+-# at build time, depending on the current Xcode SDK and configuration.
+-QMAKE_XCODE_LIBRARY_SUFFIX_SETTING = QT_LIBRARY_SUFFIX
+-
+-xcode_copy_phase_strip_setting.name = COPY_PHASE_STRIP
+-xcode_copy_phase_strip_setting.value = NO
+-QMAKE_MAC_XCODE_SETTINGS += xcode_copy_phase_strip_setting
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/mac/sdk.prf qtbase-everywhere-src-5.11.3/mkspecs/features/mac/sdk.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/mac/sdk.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/mac/sdk.prf	2019-01-31 00:42:55.843577249 +0100
+@@ -1,58 +1 @@
+ 
+-isEmpty(QMAKE_MAC_SDK): \
+-    error("QMAKE_MAC_SDK must be set when using CONFIG += sdk.")
+-
+-contains(QMAKE_MAC_SDK, .*/.*): \
+-    error("QMAKE_MAC_SDK can only contain short-form SDK names (eg. macosx, iphoneos)")
+-
+-defineReplace(xcodeSDKInfo) {
+-    info = $$1
+-    equals(info, "Path"): \
+-        infoarg = --show-sdk-path
+-    equals(info, "PlatformPath"): \
+-        infoarg = --show-sdk-platform-path
+-    equals(info, "SDKVersion"): \
+-        infoarg = --show-sdk-version
+-    sdk = $$2
+-    isEmpty(sdk): \
+-        sdk = $$QMAKE_MAC_SDK
+-
+-    isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}) {
+-        QMAKE_MAC_SDK.$${sdk}.$${info} = $$system("/usr/bin/xcrun --sdk $$sdk $$infoarg 2>/dev/null")
+-        # --show-sdk-platform-path won't work for Command Line Tools; this is fine
+-        # only used by the XCTest backend to testlib
+-        isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}):if(!isEmpty(QMAKE_XCODEBUILD_PATH)|!equals(infoarg, "--show-sdk-platform-path")): \
+-            error("Could not resolve SDK $$info for \'$$sdk\' using $$infoarg")
+-        cache(QMAKE_MAC_SDK.$${sdk}.$${info}, set stash, QMAKE_MAC_SDK.$${sdk}.$${info})
+-    }
+-
+-    return($$eval(QMAKE_MAC_SDK.$${sdk}.$${info}))
+-}
+-
+-QMAKE_MAC_SDK_PATH = $$xcodeSDKInfo(Path)
+-QMAKE_MAC_SDK_PLATFORM_PATH = $$xcodeSDKInfo(PlatformPath)
+-QMAKE_MAC_SDK_VERSION = $$xcodeSDKInfo(SDKVersion)
+-
+-sysrootified =
+-for(val, QMAKE_INCDIR_OPENGL): sysrootified += $${QMAKE_MAC_SDK_PATH}$$val
+-QMAKE_INCDIR_OPENGL = $$sysrootified
+-
+-QMAKESPEC_NAME = $$basename(QMAKESPEC)
+-
+-# Resolve SDK version of various tools
+-for(tool, $$list(QMAKE_CC QMAKE_CXX QMAKE_FIX_RPATH QMAKE_AR QMAKE_RANLIB QMAKE_LINK QMAKE_LINK_SHLIB QMAKE_ACTOOL QMAKE_LINK_C QMAKE_LINK_C_SHLIB)) {
+-    tool_variable = QMAKE_MAC_SDK.$${QMAKESPEC_NAME}.$${QMAKE_MAC_SDK}.$${tool}
+-    !isEmpty($$tool_variable) {
+-        $$tool = $$eval($$tool_variable)
+-        next()
+-    }
+-
+-    value = $$eval($$tool)
+-    isEmpty(value): next()
+-
+-    sysrooted = $$system("/usr/bin/xcrun -sdk $$QMAKE_MAC_SDK -find $$first(value) 2>/dev/null")
+-    isEmpty(sysrooted): next()
+-
+-    $$tool = $$sysrooted $$member(value, 1, -1)
+-    cache($$tool_variable, set stash, $$tool)
+-}
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qml_module.prf qtbase-everywhere-src-5.11.3/mkspecs/features/qml_module.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qml_module.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/qml_module.prf	2019-01-31 00:42:55.843577249 +0100
+@@ -23,13 +23,8 @@
+ 
+ load(qt_build_paths)
+ 
+-qml1_target {
+-    DESTDIR = $$MODULE_BASE_OUTDIR/imports/$$TARGETPATH
+-    instbase = $$[QT_INSTALL_IMPORTS]
+-} else {
+-    DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
+-    instbase = $$[QT_INSTALL_QML]
+-}
++DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
++instbase = $$NIX_OUTPUT_QML
+ 
+ !qml1_target:static: CONFIG += builtin_resources
+ 
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qml_plugin.prf qtbase-everywhere-src-5.11.3/mkspecs/features/qml_plugin.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qml_plugin.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/qml_plugin.prf	2019-01-31 00:42:55.844577264 +0100
+@@ -48,13 +48,8 @@
+ 
+ load(qt_build_paths)
+ 
+-qml1_target {
+-    DESTDIR = $$MODULE_BASE_OUTDIR/imports/$$TARGETPATH
+-    instbase = $$[QT_INSTALL_IMPORTS]
+-} else {
+-    DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
+-    instbase = $$[QT_INSTALL_QML]
+-}
++DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
++instbase = $$NIX_OUTPUT_QML
+ 
+ target.path = $$instbase/$$TARGETPATH
+ INSTALLS += target
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_app.prf qtbase-everywhere-src-5.11.3/mkspecs/features/qt_app.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_app.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/qt_app.prf	2019-01-31 00:42:55.844577264 +0100
+@@ -33,7 +33,7 @@
+     target.path = $$[QT_HOST_BINS]
+ } else {
+     !build_pass:qtConfig(debug_and_release): CONFIG += release
+-    target.path = $$[QT_INSTALL_BINS]
++    target.path = $$NIX_OUTPUT_BIN/bin
+     CONFIG += relative_qt_rpath  # Qt's tools and apps should be relocatable
+ }
+ INSTALLS += target
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_build_paths.prf qtbase-everywhere-src-5.11.3/mkspecs/features/qt_build_paths.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_build_paths.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/qt_build_paths.prf	2019-01-31 00:42:55.844577264 +0100
+@@ -24,6 +24,6 @@
+ !force_independent {
+     # If the module is not built independently, everything ends up in qtbase.
+     # This is the case in non-prefix builds, except for selected modules.
+-    MODULE_BASE_OUTDIR = $$[QT_HOST_PREFIX]
+-    MODULE_QMAKE_OUTDIR = $$[QT_HOST_PREFIX]
++    MODULE_BASE_OUTDIR = $$NIX_OUTPUT_OUT
++    MODULE_QMAKE_OUTDIR = $$NIX_OUTPUT_OUT
+ }
+Only in qtbase-everywhere-src-5.11.3/mkspecs/features: qt_build_paths.prf.orig
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_common.prf qtbase-everywhere-src-5.11.3/mkspecs/features/qt_common.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_common.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/qt_common.prf	2019-01-31 00:42:55.844577264 +0100
+@@ -32,8 +32,8 @@
+         qqt_libdir = \$\$\$\$[QT_HOST_LIBS]
+         qt_libdir = $$[QT_HOST_LIBS]
+     } else {
+-        qqt_libdir = \$\$\$\$[QT_INSTALL_LIBS]
+-        qt_libdir = $$[QT_INSTALL_LIBS]
++        qqt_libdir = \$\$\$\$NIX_OUTPUT_OUT/lib
++        qt_libdir = $$NIX_OUTPUT_OUT/lib
+     }
+     contains(QMAKE_DEFAULT_LIBDIRS, $$qt_libdir) {
+         lib_replace.match = "[^ ']*$$rplbase/lib"
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_docs.prf qtbase-everywhere-src-5.11.3/mkspecs/features/qt_docs.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_docs.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/qt_docs.prf	2019-01-31 00:42:55.844577264 +0100
+@@ -45,7 +45,7 @@
+ 
+ QDOC += -outputdir $$shell_quote($$QMAKE_DOCS_OUTPUTDIR)
+ !build_online_docs: \
+-    QDOC += -installdir $$shell_quote($$[QT_INSTALL_DOCS])
++    QDOC += -installdir $$shell_quote($$NIX_OUTPUT_DOC)
+ PREP_DOC_INDEXES =
+ DOC_INDEXES =
+ !isEmpty(QTREPOS) {
+@@ -64,8 +64,8 @@
+         DOC_INDEXES += -indexdir $$shell_quote($$qrep/doc)
+ } else {
+     prepare_docs: \
+-        PREP_DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
+-    DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
++        PREP_DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
++    DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
+ }
+ 
+ qtattributionsscanner.target = qtattributionsscanner
+@@ -88,12 +88,12 @@
+     qch_docs.commands = $$QHELPGENERATOR $$shell_quote($$QMAKE_DOCS_OUTPUTDIR/$${QMAKE_DOCS_TARGET}.qhp) -o $$shell_quote($$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch)
+ 
+     inst_html_docs.files = $$QMAKE_DOCS_OUTPUTDIR
+-    inst_html_docs.path = $$[QT_INSTALL_DOCS]
++    inst_html_docs.path = $$NIX_OUTPUT_DOC
+     inst_html_docs.CONFIG += no_check_exist directory no_default_install no_build
+     INSTALLS += inst_html_docs
+ 
+     inst_qch_docs.files = $$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch
+-    inst_qch_docs.path = $$[QT_INSTALL_DOCS]
++    inst_qch_docs.path = $$NIX_OUTPUT_DOC
+     inst_qch_docs.CONFIG += no_check_exist no_default_install no_build
+     INSTALLS += inst_qch_docs
+ 
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_example_installs.prf qtbase-everywhere-src-5.11.3/mkspecs/features/qt_example_installs.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_example_installs.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/qt_example_installs.prf	2019-01-31 00:42:55.844577264 +0100
+@@ -88,7 +88,7 @@
+     $$SOURCES $$HEADERS $$FORMS $$RESOURCES $$TRANSLATIONS \
+     $$DBUS_ADAPTORS $$DBUS_INTERFACES
+ addInstallFiles(sources.files, $$sourcefiles)
+-sources.path = $$[QT_INSTALL_EXAMPLES]/$$probase
++sources.path = $$NIX_OUTPUT_DEV/share/examples/$$probase
+ INSTALLS += sources
+ 
+ check_examples {
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_functions.prf qtbase-everywhere-src-5.11.3/mkspecs/features/qt_functions.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_functions.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/qt_functions.prf	2019-01-31 00:42:55.844577264 +0100
+@@ -69,7 +69,7 @@
+ defineTest(qtPrepareTool) {
+     cmd = $$eval(QT_TOOL.$${2}.binary)
+     isEmpty(cmd) {
+-        cmd = $$[QT_HOST_BINS]/$$2
++        cmd = $$system("command -v $$2")
+         exists($${cmd}.pl) {
+             $${1}_EXE = $${cmd}.pl
+             cmd = perl -w $$system_path($${cmd}.pl)
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_installs.prf qtbase-everywhere-src-5.11.3/mkspecs/features/qt_installs.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_installs.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/qt_installs.prf	2019-01-31 00:42:55.844577264 +0100
+@@ -12,16 +12,10 @@
+ #library
+ !qt_no_install_library {
+     win32 {
+-       host_build: \
+-           dlltarget.path = $$[QT_HOST_BINS]
+-       else: \
+-           dlltarget.path = $$[QT_INSTALL_BINS]
++        dlltarget.path = $$NIX_OUTPUT_BIN/bin
+        INSTALLS += dlltarget
+     }
+-    host_build: \
+-        target.path = $$[QT_HOST_LIBS]
+-    else: \
+-        target.path = $$[QT_INSTALL_LIBS]
++    target.path = $$NIX_OUTPUT_OUT/lib
+     !static: target.CONFIG = no_dll
+     INSTALLS += target
+ }
+@@ -29,33 +23,33 @@
+ #headers
+ qt_install_headers {
+     gen_headers.files = $$SYNCQT.GENERATED_HEADER_FILES
+-    gen_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++    gen_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+     INSTALLS += gen_headers
+ 
+     targ_headers.files = $$SYNCQT.HEADER_FILES $$SYNCQT.INJECTED_HEADER_FILES
+-    targ_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++    targ_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+     INSTALLS += targ_headers
+ 
+     private_headers.files = $$SYNCQT.PRIVATE_HEADER_FILES $$SYNCQT.INJECTED_PRIVATE_HEADER_FILES
+-    private_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
++    private_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
+     INSTALLS += private_headers
+ 
+     qpa_headers.files = $$SYNCQT.QPA_HEADER_FILES
+-    qpa_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
++    qpa_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
+     INSTALLS += qpa_headers
+ }
+ 
+ #module
+ qt_install_module {
+     !isEmpty(MODULE_PRI) {
+-        pritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++        pritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+         pritarget.files = $$MODULE_PRI
+         INSTALLS += pritarget
+     } else: isEmpty(MODULE_PRIVATE_PRI) {
+         warning("Project $$basename(_PRO_FILE_) is a module, but has not defined MODULE_PRI, which is required for Qt to expose the module to other projects.")
+     }
+     !isEmpty(MODULE_PRIVATE_PRI) {
+-        privpritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++        privpritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+         privpritarget.files = $$MODULE_PRIVATE_PRI
+         INSTALLS += privpritarget
+     }
+diff -ur qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_plugin.prf qtbase-everywhere-src-5.11.3/mkspecs/features/qt_plugin.prf
+--- qtbase-everywhere-src-5.11.3-orig/mkspecs/features/qt_plugin.prf	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/mkspecs/features/qt_plugin.prf	2019-01-31 00:42:55.844577264 +0100
+@@ -88,7 +88,7 @@
+     }
+ }
+ 
+-target.path = $$[QT_INSTALL_PLUGINS]/$$PLUGIN_TYPE
++target.path = $$NIX_OUTPUT_PLUGIN/$$PLUGIN_TYPE
+ INSTALLS += target
+ 
+ TARGET = $$qt5LibraryTarget($$TARGET)
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/corelib/kernel/qcoreapplication.cpp qtbase-everywhere-src-5.11.3/src/corelib/kernel/qcoreapplication.cpp
+--- qtbase-everywhere-src-5.11.3-orig/src/corelib/kernel/qcoreapplication.cpp	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/corelib/kernel/qcoreapplication.cpp	2019-01-31 00:42:55.845577279 +0100
+@@ -2612,6 +2612,15 @@
+         QStringList *app_libpaths = new QStringList;
+         coreappdata()->app_libpaths.reset(app_libpaths);
+ 
++        // Add library paths derived from PATH
++        const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(':');
++        const QString plugindir = QStringLiteral("../" NIXPKGS_QT_PLUGIN_PREFIX);
++        for (const QString &path: paths) {
++            if (!path.isEmpty()) {
++                app_libpaths->append(QDir::cleanPath(path + QDir::separator() + plugindir));
++            }
++        }
++
+         const QByteArray libPathEnv = qgetenv("QT_PLUGIN_PATH");
+         if (!libPathEnv.isEmpty()) {
+             QStringList paths = QFile::decodeName(libPathEnv).split(QDir::listSeparator(), QString::SkipEmptyParts);
+Only in qtbase-everywhere-src-5.11.3/src/corelib/kernel: qcoreapplication.cpp.orig
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/corelib/Qt5CoreConfigExtras.cmake.in qtbase-everywhere-src-5.11.3/src/corelib/Qt5CoreConfigExtras.cmake.in
+--- qtbase-everywhere-src-5.11.3-orig/src/corelib/Qt5CoreConfigExtras.cmake.in	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/corelib/Qt5CoreConfigExtras.cmake.in	2019-01-31 00:42:55.844577264 +0100
+@@ -3,7 +3,7 @@
+     add_executable(Qt5::qmake IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -18,7 +18,7 @@
+     add_executable(Qt5::moc IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -35,7 +35,7 @@
+     add_executable(Qt5::rcc IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -116,7 +116,7 @@
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+     set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ENDIF
+@@ -130,7 +130,7 @@
+     set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+ 
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ENDIF
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in qtbase-everywhere-src-5.11.3/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
+--- qtbase-everywhere-src-5.11.3-orig/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in	2019-01-31 00:42:55.844577264 +0100
+@@ -1,6 +1,6 @@
+ 
+ !!IF isEmpty(CMAKE_HOST_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_HOST_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in qtbase-everywhere-src-5.11.3/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
+--- qtbase-everywhere-src-5.11.3-orig/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in	2019-01-31 00:42:55.844577264 +0100
+@@ -1,6 +1,6 @@
+ 
+ !!IF isEmpty(CMAKE_INSTALL_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_INSTALL_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/corelib/tools/qtimezoneprivate_tz.cpp qtbase-everywhere-src-5.11.3/src/corelib/tools/qtimezoneprivate_tz.cpp
+--- qtbase-everywhere-src-5.11.3-orig/src/corelib/tools/qtimezoneprivate_tz.cpp	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/corelib/tools/qtimezoneprivate_tz.cpp	2019-01-31 00:42:55.845577279 +0100
+@@ -70,7 +70,11 @@
+ // Parse zone.tab table, assume lists all installed zones, if not will need to read directories
+ static QTzTimeZoneHash loadTzTimeZones()
+ {
+-    QString path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
++    // Try TZDIR first, in case we're running on NixOS.
++    QString path = QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/zone.tab");
++    // Fallback to traditional paths in case we are not on NixOS.
++    if (!QFile::exists(path))
++        path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
+     if (!QFile::exists(path))
+         path = QStringLiteral("/usr/lib/zoneinfo/zone.tab");
+ 
+@@ -644,12 +648,16 @@
+         if (!tzif.open(QIODevice::ReadOnly))
+             return;
+     } else {
+-        // Open named tz, try modern path first, if fails try legacy path
+-        tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++        // Try TZDIR first, in case we're running on NixOS
++        tzif.setFileName(QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/") + QString::fromLocal8Bit(ianaId));
+         if (!tzif.open(QIODevice::ReadOnly)) {
+-            tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
+-            if (!tzif.open(QIODevice::ReadOnly))
+-                return;
++            // Open named tz, try modern path first, if fails try legacy path
++            tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++            if (!tzif.open(QIODevice::ReadOnly)) {
++                tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++                if (!tzif.open(QIODevice::ReadOnly))
++                    return;
++            }
+         }
+     }
+ 
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/dbus/Qt5DBusConfigExtras.cmake.in qtbase-everywhere-src-5.11.3/src/dbus/Qt5DBusConfigExtras.cmake.in
+--- qtbase-everywhere-src-5.11.3-orig/src/dbus/Qt5DBusConfigExtras.cmake.in	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/dbus/Qt5DBusConfigExtras.cmake.in	2019-01-31 00:42:55.845577279 +0100
+@@ -2,11 +2,7 @@
+ if (NOT TARGET Qt5::qdbuscpp2xml)
+     add_executable(Qt5::qdbuscpp2xml IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+-    set(imported_location \"$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+     _qt5_DBus_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qdbuscpp2xml PROPERTIES
+@@ -17,11 +13,7 @@
+ if (NOT TARGET Qt5::qdbusxml2cpp)
+     add_executable(Qt5::qdbusxml2cpp IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+-    set(imported_location \"$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+     _qt5_DBus_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qdbusxml2cpp PROPERTIES
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/gui/Qt5GuiConfigExtras.cmake.in qtbase-everywhere-src-5.11.3/src/gui/Qt5GuiConfigExtras.cmake.in
+--- qtbase-everywhere-src-5.11.3-orig/src/gui/Qt5GuiConfigExtras.cmake.in	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/gui/Qt5GuiConfigExtras.cmake.in	2019-01-31 00:42:55.845577279 +0100
+@@ -2,7 +2,7 @@
+ !!IF !isEmpty(CMAKE_ANGLE_EGL_DLL_RELEASE)
+ 
+ !!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+-set(Qt5Gui_EGL_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR/QtANGLE\")
++set(Qt5Gui_EGL_INCLUDE_DIRS \"$$NIX_OUTPUT_DEV/$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ELSE
+ set(Qt5Gui_EGL_INCLUDE_DIRS \"$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ENDIF
+@@ -17,13 +17,13 @@
+     set_property(TARGET Qt5::${TargetName} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+ !!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Gui_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
++    set(imported_location \"$$NIX_OUTPUT_OUT/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ENDIF
+ 
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_implib \"${_qt5Gui_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
++    set(imported_implib \"$$NIX_OUTPUT_OUT/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ELSE
+     set(imported_implib \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ENDIF
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp qtbase-everywhere-src-5.11.3/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp
+--- qtbase-everywhere-src-5.11.3-orig/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp	2019-01-31 00:42:55.845577279 +0100
+@@ -265,12 +265,9 @@
+     m_possibleLocations.reserve(7);
+     if (qEnvironmentVariableIsSet("QTCOMPOSE"))
+         m_possibleLocations.append(QString::fromLocal8Bit(qgetenv("QTCOMPOSE")));
+-    m_possibleLocations.append(QStringLiteral("/usr/share/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/local/share/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/lib/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/local/lib/X11/locale"));
+     m_possibleLocations.append(QStringLiteral(X11_PREFIX "/share/X11/locale"));
+     m_possibleLocations.append(QStringLiteral(X11_PREFIX "/lib/X11/locale"));
++    m_possibleLocations.append(QLatin1String(NIXPKGS_QTCOMPOSE));
+ }
+ 
+ QString TableGenerator::findComposeFile()
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp qtbase-everywhere-src-5.11.3/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
+--- qtbase-everywhere-src-5.11.3-orig/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp	2019-01-31 00:42:55.845577279 +0100
+@@ -650,9 +650,14 @@
+ #if QT_CONFIG(library)
+                 extern const QString qt_gl_library_name();
+ //                QLibrary lib(qt_gl_library_name());
++                // Check system library paths first
+                 QLibrary lib(QLatin1String("GL"));
+-                if (!lib.load())
+-                    lib.setFileNameAndVersion(QLatin1String("GL"), 1);
++#ifdef NIXPKGS_MESA_GL
++                if (!lib.load()) {
++                    // Fallback to Mesa driver
++                    lib.setFileName(QLatin1String(NIXPKGS_MESA_GL));
++                }
++#endif // NIXPKGS_MESA_GL
+                 glXGetProcAddressARB = (qt_glXGetProcAddressARB) lib.resolve("glXGetProcAddressARB");
+ #endif
+             }
+Only in qtbase-everywhere-src-5.11.3/src/plugins/platforms/xcb/gl_integrations/xcb_glx: qglxintegration.cpp.orig
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/plugins/platforms/xcb/qxcbcursor.cpp qtbase-everywhere-src-5.11.3/src/plugins/platforms/xcb/qxcbcursor.cpp
+--- qtbase-everywhere-src-5.11.3-orig/src/plugins/platforms/xcb/qxcbcursor.cpp	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/plugins/platforms/xcb/qxcbcursor.cpp	2019-01-31 00:42:55.846577295 +0100
+@@ -316,10 +316,10 @@
+ #if QT_CONFIG(xcb_xlib) && QT_CONFIG(library)
+     static bool function_ptrs_not_initialized = true;
+     if (function_ptrs_not_initialized) {
+-        QLibrary xcursorLib(QLatin1String("Xcursor"), 1);
++        QLibrary xcursorLib(QLatin1String(NIXPKGS_LIBXCURSOR), 1);
+         bool xcursorFound = xcursorLib.load();
+         if (!xcursorFound) { // try without the version number
+-            xcursorLib.setFileName(QLatin1String("Xcursor"));
++            xcursorLib.setFileName(QLatin1String(NIXPKGS_LIBXCURSOR));
+             xcursorFound = xcursorLib.load();
+         }
+         if (xcursorFound) {
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/plugins/platformthemes/gtk3/main.cpp qtbase-everywhere-src-5.11.3/src/plugins/platformthemes/gtk3/main.cpp
+--- qtbase-everywhere-src-5.11.3-orig/src/plugins/platformthemes/gtk3/main.cpp	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/plugins/platformthemes/gtk3/main.cpp	2019-01-31 00:42:55.846577295 +0100
+@@ -39,6 +39,7 @@
+ 
+ #include <qpa/qplatformthemeplugin.h>
+ #include "qgtk3theme.h"
++#include <QFile>
+ 
+ QT_BEGIN_NAMESPACE
+ 
+@@ -54,8 +55,22 @@
+ QPlatformTheme *QGtk3ThemePlugin::create(const QString &key, const QStringList &params)
+ {
+     Q_UNUSED(params);
+-    if (!key.compare(QLatin1String(QGtk3Theme::name), Qt::CaseInsensitive))
++    if (!key.compare(QLatin1String(QGtk3Theme::name), Qt::CaseInsensitive)) {
++
++#ifdef NIXPKGS_QGTK3_XDG_DATA_DIRS
++        QStringList XDG_DATA_DIRS = QFile::decodeName(qgetenv("XDG_DATA_DIRS")).split(':');
++        XDG_DATA_DIRS << QLatin1String(NIXPKGS_QGTK3_XDG_DATA_DIRS);
++        qputenv("XDG_DATA_DIRS", QFile::encodeName(XDG_DATA_DIRS.join(':')));
++#endif
++
++#ifdef NIXPKGS_QGTK3_GIO_EXTRA_MODULES
++        QStringList GIO_EXTRA_MODULES = QFile::decodeName(qgetenv("GIO_EXTRA_MODULES")).split(':');
++        GIO_EXTRA_MODULES << QLatin1String(NIXPKGS_QGTK3_GIO_EXTRA_MODULES);
++        qputenv("GIO_EXTRA_MODULES", QFile::encodeName(GIO_EXTRA_MODULES.join(':')));
++#endif
++
+         return new QGtk3Theme;
++    }
+ 
+     return 0;
+ }
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/testlib/qtestassert.h qtbase-everywhere-src-5.11.3/src/testlib/qtestassert.h
+--- qtbase-everywhere-src-5.11.3-orig/src/testlib/qtestassert.h	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/testlib/qtestassert.h	2019-01-31 00:42:55.846577295 +0100
+@@ -44,10 +44,13 @@
+ 
+ QT_BEGIN_NAMESPACE
+ 
+-
++#if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS)
++#define QTEST_ASSERT(cond) do { } while ((false) && (cond))
++#define QTEST_ASSERT_X(cond, where, what) do { } while ((false) && (cond))
++#else
+ #define QTEST_ASSERT(cond) do { if (!(cond)) qt_assert(#cond,__FILE__,__LINE__); } while (false)
+-
+ #define QTEST_ASSERT_X(cond, where, what) do { if (!(cond)) qt_assert_x(where, what,__FILE__,__LINE__); } while (false)
++#endif
+ 
+ QT_END_NAMESPACE
+ 
+diff -ur qtbase-everywhere-src-5.11.3-orig/src/widgets/Qt5WidgetsConfigExtras.cmake.in qtbase-everywhere-src-5.11.3/src/widgets/Qt5WidgetsConfigExtras.cmake.in
+--- qtbase-everywhere-src-5.11.3-orig/src/widgets/Qt5WidgetsConfigExtras.cmake.in	2018-11-25 13:51:11.000000000 +0100
++++ qtbase-everywhere-src-5.11.3/src/widgets/Qt5WidgetsConfigExtras.cmake.in	2019-01-31 00:42:55.846577295 +0100
+@@ -3,7 +3,7 @@
+     add_executable(Qt5::uic IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Widgets_install_prefix}/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtdeclarative.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtdeclarative.patch
new file mode 100644
index 000000000000..cfa68eb8102c
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtdeclarative.patch
@@ -0,0 +1,46 @@
+diff --git a/src/qml/qml/qqmlimport.cpp b/src/qml/qml/qqmlimport.cpp
+index 005db4248..685c5b1b2 100644
+--- a/src/qml/qml/qqmlimport.cpp
++++ b/src/qml/qml/qqmlimport.cpp
+@@ -1760,6 +1760,15 @@ QQmlImportDatabase::QQmlImportDatabase(QQmlEngine *e)
+     QString installImportsPath =  QLibraryInfo::location(QLibraryInfo::Qml2ImportsPath);
+     addImportPath(installImportsPath);
+ 
++    // Add import paths derived from PATH
++    const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(':');
++    const QString qmldir = QStringLiteral("../" NIXPKGS_QML2_IMPORT_PREFIX);
++    for (const QString &path: paths) {
++        if (!path.isEmpty()) {
++            addImportPath(QDir::cleanPath(path + QDir::separator() + qmldir));
++        }
++    }
++
+     // env import paths
+     if (Q_UNLIKELY(!qEnvironmentVariableIsEmpty("QML2_IMPORT_PATH"))) {
+         const QString envImportPath = qEnvironmentVariable("QML2_IMPORT_PATH");
+diff --git a/tools/qmlcachegen/Qt5QuickCompilerConfig.cmake b/tools/qmlcachegen/Qt5QuickCompilerConfig.cmake
+index 56cb3fb55..74509d601 100644
+--- a/tools/qmlcachegen/Qt5QuickCompilerConfig.cmake
++++ b/tools/qmlcachegen/Qt5QuickCompilerConfig.cmake
+@@ -17,7 +17,7 @@ function(QTQUICK_COMPILER_ADD_RESOURCES outfiles)
+ 
+     find_package(Qt5 COMPONENTS Qml Core)
+ 
+-    set(compiler_path "${_qt5Core_install_prefix}/bin/qmlcachegen")
++    set(compiler_path "qmlcachegen")
+ 
+     get_target_property(rcc_path ${Qt5Core_RCC_EXECUTABLE} IMPORTED_LOCATION)
+ 
+diff --git a/tools/qmlcachegen/qmlcache.prf b/tools/qmlcachegen/qmlcache.prf
+index 537eaf62e..e21de58f6 100644
+--- a/tools/qmlcachegen/qmlcache.prf
++++ b/tools/qmlcachegen/qmlcache.prf
+@@ -26,7 +26,7 @@ defineReplace(qmlCacheOutputFileName) {
+ }
+ 
+ qmlcacheinst.base = $$QMLCACHE_DESTDIR
+-qmlcacheinst.path = $$[QT_INSTALL_QML]/$$TARGETPATH
++qmlcacheinst.path = $$NIX_OUTPUT_QML/$$TARGETPATH
+ qmlcacheinst.CONFIG = no_check_exist
+ 
+ qmlcachegen.input = CACHEGEN_FILES
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtscript.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtscript.patch
new file mode 100644
index 000000000000..5508dec1280e
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtscript.patch
@@ -0,0 +1,13 @@
+diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
+index 1f6d25e..087c3fb 100644
+--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
++++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
+@@ -81,7 +81,7 @@
+ #include <pthread.h>
+ #elif PLATFORM(GTK)
+ #include <wtf/gtk/GOwnPtr.h>
+-typedef struct _GMutex GMutex;
++typedef union _GMutex GMutex;
+ typedef struct _GCond GCond;
+ #endif
+ 
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtserialport.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtserialport.patch
new file mode 100644
index 000000000000..f25524e80bcf
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtserialport.patch
@@ -0,0 +1,22 @@
+diff --git a/src/serialport/qtudev_p.h b/src/serialport/qtudev_p.h
+index af2dab2..8e17f64 100644
+--- a/src/serialport/qtudev_p.h
++++ b/src/serialport/qtudev_p.h
+@@ -111,9 +111,17 @@ inline QFunctionPointer resolveSymbol(QLibrary *udevLibrary, const char *symbolN
+ inline bool resolveSymbols(QLibrary *udevLibrary)
+ {
+     if (!udevLibrary->isLoaded()) {
++#ifdef NIXPKGS_LIBUDEV
++        udevLibrary->setFileNameAndVersion(QLatin1String(NIXPKGS_LIBUDEV), 1);
++#else
+         udevLibrary->setFileNameAndVersion(QStringLiteral("udev"), 1);
++#endif
+         if (!udevLibrary->load()) {
++#ifdef NIXPKGS_LIBUDEV
++            udevLibrary->setFileNameAndVersion(QLatin1String(NIXPKGS_LIBUDEV), 0);
++#else
+             udevLibrary->setFileNameAndVersion(QStringLiteral("udev"), 0);
++#endif
+             if (!udevLibrary->load()) {
+                 qWarning("Failed to load the library: %s, supported version(s): %i and %i", qPrintable(udevLibrary->fileName()), 1, 0);
+                 return false;
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/qttools.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qttools.patch
new file mode 100644
index 000000000000..622efc35b6b6
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qttools.patch
@@ -0,0 +1,86 @@
+diff --git a/src/assistant/help/Qt5HelpConfigExtras.cmake.in b/src/assistant/help/Qt5HelpConfigExtras.cmake.in
+index 3b97923a..63336bd5 100644
+--- a/src/assistant/help/Qt5HelpConfigExtras.cmake.in
++++ b/src/assistant/help/Qt5HelpConfigExtras.cmake.in
+@@ -2,11 +2,10 @@
+ if (NOT TARGET Qt5::qcollectiongenerator)
+     add_executable(Qt5::qcollectiongenerator IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Help_install_prefix}/$${CMAKE_BIN_DIR}qcollectiongenerator$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}qcollectiongenerator$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    if(NOT EXISTS \"${imported_location}\")
++        set(imported_location \"$${CMAKE_BIN_DIR}qcollectiongenerator$$CMAKE_BIN_SUFFIX\")
++    endif()
+     _qt5_Help_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qcollectiongenerator PROPERTIES
+@@ -17,11 +16,7 @@ endif()
+ if (NOT TARGET Qt5::qhelpgenerator)
+     add_executable(Qt5::qhelpgenerator IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Help_install_prefix}/$${CMAKE_BIN_DIR}qhelpgenerator$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}qhelpgenerator$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
+     _qt5_Help_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qhelpgenerator PROPERTIES
+diff --git a/src/linguist/Qt5LinguistToolsConfig.cmake.in b/src/linguist/Qt5LinguistToolsConfig.cmake.in
+index 4318b16f..d60db4ff 100644
+--- a/src/linguist/Qt5LinguistToolsConfig.cmake.in
++++ b/src/linguist/Qt5LinguistToolsConfig.cmake.in
+@@ -44,11 +44,7 @@ endmacro()
+ if (NOT TARGET Qt5::lrelease)
+     add_executable(Qt5::lrelease IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5_linguisttools_install_prefix}/$${CMAKE_BIN_DIR}lrelease$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}lrelease$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
+     _qt5_LinguistTools_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::lrelease PROPERTIES
+@@ -59,11 +55,7 @@ endif()
+ if (NOT TARGET Qt5::lupdate)
+     add_executable(Qt5::lupdate IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5_linguisttools_install_prefix}/$${CMAKE_BIN_DIR}lupdate$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}lupdate$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
+     _qt5_LinguistTools_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::lupdate PROPERTIES
+@@ -74,11 +66,7 @@ endif()
+ if (NOT TARGET Qt5::lconvert)
+     add_executable(Qt5::lconvert IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5_linguisttools_install_prefix}/$${CMAKE_BIN_DIR}lconvert$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}lconvert$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
+     _qt5_LinguistTools_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::lconvert PROPERTIES
+--- a/src/macdeployqt/shared/shared.cpp
++++ b/src/macdeployqt/shared/shared.cpp
+@@ -1241,6 +1241,12 @@ bool deployQmlImports(const QString &appBundlePath, DeploymentInfo deploymentInf
+     if (!QFile(qmlImportScannerPath).exists())
+         qmlImportScannerPath = QCoreApplication::applicationDirPath() + "/qmlimportscanner";
+ 
++#ifdef NIXPKGS_QMLIMPORTSCANNER
++    // Fallback: Nixpkgs hardcoded path
++    if (!QFile(qmlImportScannerPath).exists())
++        qmlImportScannerPath = NIXPKGS_QMLIMPORTSCANNER;
++#endif
++
+     // Verify that we found a qmlimportscanner binary
+     if (!QFile(qmlImportScannerPath).exists()) {
+         LogError() << "qmlimportscanner not found at" << qmlImportScannerPath;
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebengine-darwin-no-platform-check.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebengine-darwin-no-platform-check.patch
new file mode 100644
index 000000000000..3e1a8762b361
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebengine-darwin-no-platform-check.patch
@@ -0,0 +1,37 @@
+diff --git a/mkspecs/features/platform.prf b/mkspecs/features/platform.prf
+--- a/mkspecs/features/platform.prf
++++ b/mkspecs/features/platform.prf
+@@ -38,10 +38,6 @@ defineTest(isPlatformSupported) {
+          return(false)
+     }
+   } else:osx {
+-    !isMinXcodeVersion(7, 3) {
+-      skipBuild("Using Xcode version $$QMAKE_XCODE_VERSION, but at least version 7.3 is required to build Qt WebEngine.")
+-      return(false)
+-    }
+     !clang|intel_icc {
+         skipBuild("Qt WebEngine on macOS requires Clang.")
+         return(false)
+@@ -52,10 +48,6 @@ defineTest(isPlatformSupported) {
+       skipBuild("Building Qt WebEngine requires macOS version 10.11 or newer.")
+       return(false)
+     }
+-    !isMinOSXSDKVersion(10, 10): {
+-      skipBuild("Building Qt WebEngine requires a macOS SDK version of 10.11 or newer. Current version is $${WEBENGINE_OSX_SDK_PRODUCT_VERSION}.")
+-      return(false)
+-    }
+   } else {
+     skipBuild("Unknown platform. Qt WebEngine only supports Linux, Windows, and macOS.")
+     return(false)
+diff --git a/src/core/config/mac_osx.pri b/src/core/config/mac_osx.pri
+--- a/src/core/config/mac_osx.pri
++++ b/src/core/config/mac_osx.pri
+@@ -5,8 +5,6 @@ load(functions)
+ # otherwise query for it.
+ QMAKE_MAC_SDK_VERSION = $$eval(QMAKE_MAC_SDK.$${QMAKE_MAC_SDK}.SDKVersion)
+ isEmpty(QMAKE_MAC_SDK_VERSION) {
+-     QMAKE_MAC_SDK_VERSION = $$system("/usr/bin/xcodebuild -sdk $${QMAKE_MAC_SDK} -version SDKVersion 2>/dev/null")
+-     isEmpty(QMAKE_MAC_SDK_VERSION): error("Could not resolve SDK version for \'$${QMAKE_MAC_SDK}\'")
+ }
+ 
+ QMAKE_CLANG_DIR = "/usr"
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebengine-no-build-skip.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebengine-no-build-skip.patch
new file mode 100644
index 000000000000..f332d5e1bb2b
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebengine-no-build-skip.patch
@@ -0,0 +1,12 @@
+diff --git a/qtwebengine.pro b/qtwebengine.pro
+--- a/qtwebengine.pro
++++ b/qtwebengine.pro
+@@ -5,7 +5,7 @@ runConfigure()
+ 
+ !isEmpty(skipBuildReason) {
+     SUBDIRS =
+-    log($${skipBuildReason}$${EOL})
++    error($${skipBuildReason}$${EOL})
+     log(QtWebEngine will not be built.$${EOL})
+ }
+ 
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebkit.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebkit.patch
new file mode 100644
index 000000000000..b94a4b76cbab
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/qtwebkit.patch
@@ -0,0 +1,12 @@
+diff --git a/Source/WebKit2/PlatformQt.cmake b/Source/WebKit2/PlatformQt.cmake
+--- a/Source/WebKit2/PlatformQt.cmake
++++ b/Source/WebKit2/PlatformQt.cmake
+@@ -261,6 +261,7 @@
+ list(APPEND WebKit2_SYSTEM_INCLUDE_DIRECTORIES
+     ${GLIB_INCLUDE_DIRS}
+     ${GSTREAMER_INCLUDE_DIRS}
++    ${GSTREAMER_PBUTILS_INCLUDE_DIRS}
+     ${Qt5Quick_INCLUDE_DIRS}
+     ${Qt5Quick_PRIVATE_INCLUDE_DIRS}
+     ${SQLITE_INCLUDE_DIR}
+
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.11/srcs.nix b/nixpkgs/pkgs/development/libraries/qt-5/5.11/srcs.nix
new file mode 100644
index 000000000000..cff49b180337
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.11/srcs.nix
@@ -0,0 +1,325 @@
+# DO NOT EDIT! This file is generated automatically by fetch-kde-qt.sh
+{ fetchurl, mirror }:
+
+{
+  qt3d = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qt3d-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1awyv40jgbb30yp5zxf6j9wq96nmk8zyhbh4fpn9gn35ychmr984";
+      name = "qt3d-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtactiveqt = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtactiveqt-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0g35yhp01c34m91fp5vzzq0d2kzz0yswpjjk5cg36j0ddnfcsh4d";
+      name = "qtactiveqt-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtandroidextras = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtandroidextras-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0clqz10ry70f0v8hbw37fhlwrsr5jddg99yjsk9db250dwbqzq27";
+      name = "qtandroidextras-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtbase = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtbase-everywhere-src-5.11.3.tar.xz";
+      sha256 = "071yc9iz14qs4s8yvrwllyfdzp5yjxsdpvbjxdrf0g5q69vqigy6";
+      name = "qtbase-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtcanvas3d = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtcanvas3d-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0f110z7cmkzns9k00aa5zhzq2fpybfxkd7gdlwzcbhc8hn20986m";
+      name = "qtcanvas3d-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtcharts = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtcharts-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1p4m1nkbbxlkwmbmasx5r83skzssmlcgfzyvj30x2dyrqkmz7627";
+      name = "qtcharts-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtconnectivity = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtconnectivity-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0amks3qad31i7cha85kvcaxvlmmgkc3gm4jdkw2p02ixxfygr30l";
+      name = "qtconnectivity-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtdatavis3d = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtdatavis3d-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1kqwr3avcvcyy4i28vjgxk1bsjj9011zr668hsk1zrjxnnwjwdl3";
+      name = "qtdatavis3d-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtdeclarative = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtdeclarative-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1rhsf9bma2zwwpixk2fsg31x7c1pmsk144npypgc9w86swhkc9lf";
+      name = "qtdeclarative-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtdoc = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtdoc-everywhere-src-5.11.3.tar.xz";
+      sha256 = "06nl8lzrilj8yify5qy4fm9la6dh71aamg19jhvvi657cshiclsq";
+      name = "qtdoc-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtgamepad = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtgamepad-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1k222cx18zq48sfna91hmy427qzk2n2xz3dlyz59iyz72k6915g9";
+      name = "qtgamepad-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtgraphicaleffects = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtgraphicaleffects-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1qjpdzkamf27cg5n1wsf0zk939lcgppgydfjzap9s4fxzj1nkn0l";
+      name = "qtgraphicaleffects-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtimageformats = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtimageformats-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0zq8igsjyyhxsjr43vpaasrqjw3x0g6rwqf8kaz7y9vs7ny63ch4";
+      name = "qtimageformats-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtlocation = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtlocation-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1sq0f41jwmsimv9a1wl2nk5nifjppm5j92rr4n4s7qwnnjjrir2q";
+      name = "qtlocation-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtmacextras = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtmacextras-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1j9sqmcwswr8v9z8mcbm10bj7nz8nv9mir0xsc5123ik1gw2c3lk";
+      name = "qtmacextras-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtmultimedia = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtmultimedia-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0h9wx86zj20n4xc3qnml0i360x2dc1yd2z2af1flj8fwyzppi03j";
+      name = "qtmultimedia-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtnetworkauth = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtnetworkauth-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0dd35698wzg89975vi2ijl2lym495fjizsl03mjixsjnvb1x0q50";
+      name = "qtnetworkauth-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtpurchasing = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtpurchasing-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1fd0gxdj5mrh81iwimq1243i3n47sqv9ik8nslahfh0q3dsx7k8n";
+      name = "qtpurchasing-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtquickcontrols = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtquickcontrols-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0dvmy31qbl76yy0j5y8m7mvnmqyg2c01fmlkn0snvc5h5ah5skjf";
+      name = "qtquickcontrols-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtquickcontrols2 = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtquickcontrols2-everywhere-src-5.11.3.tar.xz";
+      sha256 = "11nhpb0xckv5jjkqj5szr94c2rvyjwr89ch58hh64nsqaav30mpl";
+      name = "qtquickcontrols2-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtremoteobjects = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtremoteobjects-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1d3jzsxfyjhgb6wj9iv1388bv7j6pi08346nmkm1c1a4iykhc0zp";
+      name = "qtremoteobjects-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtscript = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtscript-everywhere-src-5.11.3.tar.xz";
+      sha256 = "027cvggbcvwyz76cn1bl1zvqg0nq7iica1b7yx7xyy0hb36g715v";
+      name = "qtscript-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtscxml = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtscxml-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1mv8mz36v34dckrzy5r41mq3sqznbalrhndk3avz2154xmkjf5qk";
+      name = "qtscxml-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtsensors = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtsensors-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0n88c8xi9pbyh7q1pcqv4yjv6nx62abflj8qgfr4qzb0sp8m6mx7";
+      name = "qtsensors-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtserialbus = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtserialbus-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0vf12jk1ma0v0dlpliw1x9i04iaik1kjkiaby7gaxm2abprxwr2n";
+      name = "qtserialbus-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtserialport = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtserialport-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1nkbfsxzgicwns3k11hhzjxy2hgrigj8xcw2by0jc1j71mnmxi4n";
+      name = "qtserialport-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtspeech = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtspeech-everywhere-src-5.11.3.tar.xz";
+      sha256 = "158p7zqd0vg55gf88jzc3d4f7649ihh80k0m1q46m2yp6fpdjbxr";
+      name = "qtspeech-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtsvg = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtsvg-everywhere-src-5.11.3.tar.xz";
+      sha256 = "14a4rprbj9f9rhixbk7143xdz34d7d39xh9v2sc1w43q9sf2rsi1";
+      name = "qtsvg-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qttools = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qttools-everywhere-src-5.11.3.tar.xz";
+      sha256 = "13lzdxxi02yhvx4mflhisl6aqv2fiss5m804cqccd1wvp8dyh1f2";
+      name = "qttools-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qttranslations = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qttranslations-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0j8i2kabz22vqb0qj41pkjv848zblqxs71sydc3xcd5av22b517s";
+      name = "qttranslations-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtvirtualkeyboard = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtvirtualkeyboard-everywhere-src-5.11.3.tar.xz";
+      sha256 = "17jb7cbfy5c19fr9frql6q22in3ra3a4fbff0kjykllxb8j40p4c";
+      name = "qtvirtualkeyboard-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtwayland = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtwayland-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1chz4wchgkzd45h143i5hkqg0whcgdbj37gkg7j4kj31whllzjb2";
+      name = "qtwayland-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtwebchannel = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtwebchannel-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1wrdawlqvcw84h8q52mvbjhp1vkd6fhz6c8ijlg9rw0s3fj4y99w";
+      name = "qtwebchannel-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtwebengine = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtwebengine-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1zmqsdais85cdfh2jh8h4a5jcamp1mzdk3vgqm6xnldqf6nrxd2v";
+      name = "qtwebengine-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtwebglplugin = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtwebglplugin-everywhere-src-5.11.3.tar.xz";
+      sha256 = "0wqz8lycmi7pffzy0pz5960w109lbk4mkbw0l1lh64avl6clq7b9";
+      name = "qtwebglplugin-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtwebsockets = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtwebsockets-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1ffmapfy68xwwbxbg19ng6b5h8v42cf78s21j7rgq49gm70r0402";
+      name = "qtwebsockets-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtwebview = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtwebview-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1njmn1n03dp4md8cz58cq2z6bsxd8nwlw0238zmavh7px3jzc9kh";
+      name = "qtwebview-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtwinextras = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtwinextras-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1xf9gc0wqk9jz2ayx29vx0vmm72x9h4qxp2fvgpclns621wyhw72";
+      name = "qtwinextras-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtx11extras = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtx11extras-everywhere-src-5.11.3.tar.xz";
+      sha256 = "11fd2mc20qmnyv1vqhaqad2q6m0i4lmkr432rmqvpkgphpkfp7pr";
+      name = "qtx11extras-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+  qtxmlpatterns = {
+    version = "5.11.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.11/5.11.3/submodules/qtxmlpatterns-everywhere-src-5.11.3.tar.xz";
+      sha256 = "1vhfvgi39miqsx3iq7c9sii2sykq0yfng69b70i0smr20zihpl4b";
+      name = "qtxmlpatterns-everywhere-src-5.11.3.tar.xz";
+    };
+  };
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/default.nix b/nixpkgs/pkgs/development/libraries/qt-5/5.12/default.nix
new file mode 100644
index 000000000000..1bc63d0e2b9d
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/default.nix
@@ -0,0 +1,167 @@
+/*
+
+# Updates
+
+Before a major version update, make a copy of this directory. (We like to
+keep the old version around for a short time after major updates.) Add a
+top-level attribute to `top-level/all-packages.nix`.
+
+1. Update the URL in `pkgs/development/libraries/qt-5/$VERSION/fetch.sh`.
+2. From the top of the Nixpkgs tree, run
+   `./maintainers/scripts/fetch-kde-qt.sh > pkgs/development/libraries/qt-5/$VERSION/srcs.nix`.
+3. Check that the new packages build correctly.
+4. Commit the changes and open a pull request.
+
+*/
+
+{
+  newScope,
+  stdenv, fetchurl, fetchFromGitHub, makeSetupHook, makeWrapper,
+  bison, cups ? null, harfbuzz, libGL, perl,
+  gstreamer, gst-plugins-base, gtk3, dconf,
+  llvmPackages_5,
+
+  # options
+  developerBuild ? false,
+  decryptSslTraffic ? false,
+  debug ? false,
+}:
+
+with stdenv.lib;
+
+let
+
+  qtCompatVersion = srcs.qtbase.version;
+
+  stdenvActual = if stdenv.cc.isClang then llvmPackages_5.stdenv else stdenv;
+
+  mirror = "https://download.qt.io";
+  srcs = import ./srcs.nix { inherit fetchurl; inherit mirror; } // {
+    # Community port of the now unmaintained upstream qtwebkit.
+    qtwebkit = {
+      src = fetchFromGitHub {
+        owner = "annulen";
+        repo = "webkit";
+        rev = "4ce8ebc4094512b9916bfa5984065e95ac97c9d8";
+        sha256 = "05h1xnxzbf7sp3plw5dndsvpf6iigh0bi4vlj4svx0hkf1giakjf";
+      };
+      version = "5.212-alpha-01-26-2018";
+    };
+  };
+
+  patches = {
+    qtbase = [
+      ./qtbase.patch
+      ./qtbase-fixguicmake.patch
+    ];
+    qtdeclarative = [ ./qtdeclarative.patch ];
+    qtscript = [ ./qtscript.patch ];
+    qtserialport = [ ./qtserialport.patch ];
+    qtwebengine = [
+      ./qtwebengine-no-build-skip.patch
+      ./qtwebengine-CVE-2019-5786.patch
+    ]
+      ++ optional stdenv.isDarwin ./qtwebengine-darwin-no-platform-check.patch;
+    qtwebkit = [ ./qtwebkit.patch ]
+      ++ optionals stdenv.isDarwin [
+        ./qtwebkit-darwin-no-readline.patch
+        ./qtwebkit-darwin-no-qos-classes.patch
+      ];
+    qttools = [ ./qttools.patch ];
+  };
+
+  qtModule =
+    import ../qtModule.nix
+    {
+      inherit perl;
+      inherit (stdenv) lib;
+      # Use a variant of mkDerivation that does not include wrapQtApplications
+      # to avoid cyclic dependencies between Qt modules.
+      mkDerivation =
+        import ../mkDerivation.nix
+        { inherit (stdenv) lib; inherit debug; wrapQtAppsHook = null; }
+        stdenvActual.mkDerivation;
+    }
+    { inherit self srcs patches; };
+
+  addPackages = self: with self;
+    let
+      callPackage = self.newScope { inherit qtCompatVersion qtModule srcs; };
+    in {
+
+      mkDerivationWith =
+        import ../mkDerivation.nix
+        { inherit (stdenv) lib; inherit debug; inherit (self) wrapQtAppsHook; };
+
+      mkDerivation = mkDerivationWith stdenvActual.mkDerivation;
+
+      qtbase = callPackage ../modules/qtbase.nix {
+        inherit (srcs.qtbase) src version;
+        patches = patches.qtbase;
+        inherit bison cups harfbuzz libGL;
+        withGtk3 = true; inherit dconf gtk3;
+        inherit developerBuild decryptSslTraffic;
+      };
+
+      qtcharts = callPackage ../modules/qtcharts.nix {};
+      qtconnectivity = callPackage ../modules/qtconnectivity.nix {};
+      qtdeclarative = callPackage ../modules/qtdeclarative.nix {};
+      qtdoc = callPackage ../modules/qtdoc.nix {};
+      qtgraphicaleffects = callPackage ../modules/qtgraphicaleffects.nix {};
+      qtimageformats = callPackage ../modules/qtimageformats.nix {};
+      qtlocation = callPackage ../modules/qtlocation.nix {};
+      qtmacextras = callPackage ../modules/qtmacextras.nix {};
+      qtmultimedia = callPackage ../modules/qtmultimedia.nix {
+        inherit gstreamer gst-plugins-base;
+      };
+      qtnetworkauth = callPackage ../modules/qtnetworkauth.nix {};
+      qtquick1 = null;
+      qtquickcontrols = callPackage ../modules/qtquickcontrols.nix {};
+      qtquickcontrols2 = callPackage ../modules/qtquickcontrols2.nix {};
+      qtscript = callPackage ../modules/qtscript.nix {};
+      qtsensors = callPackage ../modules/qtsensors.nix {};
+      qtserialport = callPackage ../modules/qtserialport.nix {};
+      qtspeech = callPackage ../modules/qtspeech.nix {};
+      qtsvg = callPackage ../modules/qtsvg.nix {};
+      qttools = callPackage ../modules/qttools.nix {};
+      qttranslations = callPackage ../modules/qttranslations.nix {};
+      qtvirtualkeyboard = callPackage ../modules/qtvirtualkeyboard.nix {};
+      qtwayland = callPackage ../modules/qtwayland.nix {};
+      qtwebchannel = callPackage ../modules/qtwebchannel.nix {};
+      qtwebengine = callPackage ../modules/qtwebengine.nix {};
+      qtwebglplugin = callPackage ../modules/qtwebglplugin.nix {};
+      qtwebkit = callPackage ../modules/qtwebkit.nix {};
+      qtwebsockets = callPackage ../modules/qtwebsockets.nix {};
+      qtwebview = callPackage ../modules/qtwebview.nix {};
+      qtx11extras = callPackage ../modules/qtx11extras.nix {};
+      qtxmlpatterns = callPackage ../modules/qtxmlpatterns.nix {};
+
+      env = callPackage ../qt-env.nix {};
+      full = env "qt-full-${qtbase.version}" ([
+        qtcharts qtconnectivity qtdeclarative qtdoc qtgraphicaleffects
+        qtimageformats qtlocation qtmultimedia qtquickcontrols qtquickcontrols2
+        qtscript qtsensors qtserialport qtsvg qttools qttranslations
+        qtvirtualkeyboard qtwebchannel qtwebengine qtwebkit qtwebsockets
+        qtwebview qtx11extras qtxmlpatterns
+      ] ++ optional (!stdenv.isDarwin) qtwayland
+        ++ optional (stdenv.isDarwin) qtmacextras);
+
+      qmake = makeSetupHook {
+        deps = [ self.qtbase.dev ];
+        substitutions = {
+          inherit (stdenv) isDarwin;
+          qtbase_dev = self.qtbase.dev;
+          fix_qt_builtin_paths = ../hooks/fix-qt-builtin-paths.sh;
+        };
+      } ../hooks/qmake-hook.sh;
+
+      wrapQtAppsHook = makeSetupHook {
+        deps =
+          [ self.qtbase.dev makeWrapper ]
+          ++ optional stdenv.isLinux self.qtwayland.dev;
+      } ../hooks/wrap-qt-apps-hook.sh;
+    };
+
+   self = makeScope newScope addPackages;
+
+in self
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/fetch.sh b/nixpkgs/pkgs/development/libraries/qt-5/5.12/fetch.sh
new file mode 100644
index 000000000000..aa3a0fe94898
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/fetch.sh
@@ -0,0 +1 @@
+WGET_ARGS=( http://download.qt.io/official_releases/qt/5.12/5.12.0/submodules/ )
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtbase-fixguicmake.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtbase-fixguicmake.patch
new file mode 100644
index 000000000000..8b46d432812a
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtbase-fixguicmake.patch
@@ -0,0 +1,30 @@
+diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+index 0bbc871..3673634 100644
+--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+@@ -286,7 +286,7 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+     macro(_populate_$${CMAKE_MODULE_NAME}_plugin_properties Plugin Configuration PLUGIN_LOCATION)
+         set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-        set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
++        set(imported_location \"${PLUGIN_LOCATION}\")
+         _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+         set_target_properties(Qt5::${Plugin} PROPERTIES
+             \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff --git a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+index 5baf0fd..3583745 100644
+--- a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+@@ -2,10 +2,10 @@
+ add_library(Qt5::$$CMAKE_PLUGIN_NAME MODULE IMPORTED)
+ 
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_LOCATION_RELEASE}\")
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_RELEASE}\")
+ !!ENDIF
+ !!IF !isEmpty(CMAKE_DEBUG_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_LOCATION_DEBUG}\")
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_DEBUG}\")
+ !!ENDIF
+ 
+ list(APPEND Qt5$${CMAKE_MODULE_NAME}_PLUGINS Qt5::$$CMAKE_PLUGIN_NAME)
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtbase.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtbase.patch
new file mode 100644
index 000000000000..aa987acbe92e
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtbase.patch
@@ -0,0 +1,1156 @@
+diff --git a/mkspecs/common/mac.conf b/mkspecs/common/mac.conf
+index 61bea952b2..9909dae726 100644
+--- a/mkspecs/common/mac.conf
++++ b/mkspecs/common/mac.conf
+@@ -23,7 +23,7 @@ QMAKE_INCDIR_OPENGL     = \
+ 
+ QMAKE_FIX_RPATH         = install_name_tool -id
+ 
+-QMAKE_LFLAGS_RPATH      = -Wl,-rpath,
++QMAKE_LFLAGS_RPATH      =
+ QMAKE_LFLAGS_GCSECTIONS = -Wl,-dead_strip
+ 
+ QMAKE_LFLAGS_REL_RPATH  =
+diff --git a/mkspecs/features/create_cmake.prf b/mkspecs/features/create_cmake.prf
+index 2ed708e085..05e60ff45f 100644
+--- a/mkspecs/features/create_cmake.prf
++++ b/mkspecs/features/create_cmake.prf
+@@ -21,7 +21,7 @@ load(cmake_functions)
+ # at cmake time whether package has been found via a symlink, and correct
+ # that to an absolute path. This is only done for installations to
+ # the /usr or / prefix.
+-CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$[QT_INSTALL_LIBS])
++CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$NIX_OUTPUT_OUT/lib/)
+ contains(CMAKE_INSTALL_LIBS_DIR, ^(/usr)?/lib(64)?.*): CMAKE_USR_MOVE_WORKAROUND = $$CMAKE_INSTALL_LIBS_DIR
+ 
+ CMAKE_OUT_DIR = $$MODULE_BASE_OUTDIR/lib/cmake
+@@ -51,45 +51,20 @@ split_incpath {
+         $$cmake_extra_source_includes.output
+ }
+ 
+-CMAKE_INCLUDE_DIR = $$cmakeRelativePath($$[QT_INSTALL_HEADERS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_INCLUDE_DIR, "^\\.\\./.*") {
+-    CMAKE_INCLUDE_DIR = $$[QT_INSTALL_HEADERS]/
+-    CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_INCLUDE_DIR = $$NIX_OUTPUT_DEV/include/
++CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_LIB_DIR = $$cmakeRelativePath($$[QT_INSTALL_LIBS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_LIB_DIR,"^\\.\\./.*") {
+-    CMAKE_LIB_DIR = $$[QT_INSTALL_LIBS]/
+-    CMAKE_LIB_DIR_IS_ABSOLUTE = True
+-} else {
+-    CMAKE_RELATIVE_INSTALL_LIBS_DIR = $$cmakeRelativePath($$[QT_INSTALL_PREFIX], $$[QT_INSTALL_LIBS])
+-    # We need to go up another two levels because the CMake files are
+-    # installed in $${CMAKE_LIB_DIR}/cmake/Qt5$${CMAKE_MODULE_NAME}
+-    CMAKE_RELATIVE_INSTALL_DIR = "$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}../../"
+-}
++CMAKE_BIN_DIR = $$NIX_OUTPUT_BIN/bin/
++CMAKE_BIN_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_BIN_DIR = $$cmakeRelativePath($$[QT_HOST_BINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_BIN_DIR, "^\\.\\./.*") {
+-    CMAKE_BIN_DIR = $$[QT_HOST_BINS]/
+-    CMAKE_BIN_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_LIB_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_LIB_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_PLUGIN_DIR = $$cmakeRelativePath($$[QT_INSTALL_PLUGINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_PLUGIN_DIR, "^\\.\\./.*") {
+-    CMAKE_PLUGIN_DIR = $$[QT_INSTALL_PLUGINS]/
+-    CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
+-}
+-
+-win32:!static:!staticlib {
+-    CMAKE_DLL_DIR = $$cmakeRelativePath($$[QT_INSTALL_BINS], $$[QT_INSTALL_PREFIX])
+-    contains(CMAKE_DLL_DIR, "^\\.\\./.*") {
+-        CMAKE_DLL_DIR = $$[QT_INSTALL_BINS]/
+-        CMAKE_DLL_DIR_IS_ABSOLUTE = True
+-    }
+-} else {
+-    CMAKE_DLL_DIR = $$CMAKE_LIB_DIR
+-    CMAKE_DLL_DIR_IS_ABSOLUTE = $$CMAKE_LIB_DIR_IS_ABSOLUTE
+-}
++CMAKE_PLUGIN_DIR = $$NIX_OUTPUT_PLUGIN/
++CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
++ 
++CMAKE_DLL_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_DLL_DIR_IS_ABSOLUTE = True
+ 
+ static|staticlib:CMAKE_STATIC_TYPE = true
+ 
+@@ -169,7 +144,7 @@ contains(CONFIG, plugin) {
+       cmake_target_file
+ 
+     cmake_qt5_plugin_file.files = $$cmake_target_file.output
+-    cmake_qt5_plugin_file.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++    cmake_qt5_plugin_file.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+     INSTALLS += cmake_qt5_plugin_file
+ 
+     return()
+@@ -316,7 +291,7 @@ exists($$cmake_macros_file.input) {
+     cmake_qt5_module_files.files += $$cmake_macros_file.output
+ }
+ 
+-cmake_qt5_module_files.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++cmake_qt5_module_files.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+ 
+ # We are generating cmake files. Most developers of Qt are not aware of cmake,
+ # so we require automatic tests to be available. The only module which should
+diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+index 3ed6dd5889..4c7c8da21a 100644
+--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+@@ -3,30 +3,6 @@ if (CMAKE_VERSION VERSION_LESS 3.1.0)
+     message(FATAL_ERROR \"Qt 5 $${CMAKE_MODULE_NAME} module requires at least CMake version 3.1.0\")
+ endif()
+ 
+-!!IF !isEmpty(CMAKE_USR_MOVE_WORKAROUND)
+-!!IF !isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ELSE
+-get_filename_component(_IMPORT_PREFIX \"${CMAKE_CURRENT_LIST_FILE}\" PATH)
+-# Use original install prefix when loaded through a
+-# cross-prefix symbolic link such as /lib -> /usr/lib.
+-get_filename_component(_realCurr \"${_IMPORT_PREFIX}\" REALPATH)
+-get_filename_component(_realOrig \"$$CMAKE_INSTALL_LIBS_DIR/cmake/Qt5$${CMAKE_MODULE_NAME}\" REALPATH)
+-if(_realCurr STREQUAL _realOrig)
+-    get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$CMAKE_INSTALL_LIBS_DIR/$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}\" ABSOLUTE)
+-else()
+-    get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-endif()
+-unset(_realOrig)
+-unset(_realCurr)
+-unset(_IMPORT_PREFIX)
+-!!ENDIF
+-!!ELIF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-!!ELSE
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ENDIF
+-
+ !!IF !equals(TEMPLATE, aux)
+ # For backwards compatibility only. Use Qt5$${CMAKE_MODULE_NAME}_VERSION instead.
+ set(Qt5$${CMAKE_MODULE_NAME}_VERSION_STRING "$$eval(QT.$${MODULE}.VERSION)")
+@@ -52,11 +28,7 @@ endmacro()
+ macro(_populate_$${CMAKE_MODULE_NAME}_target_properties Configuration LIB_LOCATION IMPLIB_LOCATION)
+     set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ENDIF
+     _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+     set_target_properties(Qt5::$${CMAKE_MODULE_NAME} PROPERTIES
+         \"INTERFACE_LINK_LIBRARIES\" \"${_Qt5$${CMAKE_MODULE_NAME}_LIB_DEPENDENCIES}\"
+@@ -69,11 +41,7 @@ macro(_populate_$${CMAKE_MODULE_NAME}_target_properties Configuration LIB_LOCATI
+     )
+ 
+ !!IF !isEmpty(CMAKE_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_implib \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ELSE
+     set(imported_implib \"IMPORTED_IMPLIB_${Configuration}\" \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ENDIF
+     _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_implib})
+     if(NOT \"${IMPLIB_LOCATION}\" STREQUAL \"\")
+         set_target_properties(Qt5::$${CMAKE_MODULE_NAME} PROPERTIES
+@@ -89,24 +57,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !no_module_headers
+ !!IF !isEmpty(CMAKE_BUILD_IS_FRAMEWORK)
+     set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS
+-      \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework\"
+-      \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Headers\"
++      \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework\"
++      \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Headers\"
+     )
+ !!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/\"
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+-    )
+-!!ELSE
+-    set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+-!!ENDIF
+-!!ELSE
+-!!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+-    set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR\" \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}\")
+-!!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+-    set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION\"
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION/$${MODULE_INCNAME}\"
++        \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/\"
++        \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+     )
+ !!ELSE
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+@@ -122,7 +79,6 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+ !!ENDIF
+ !!ENDIF
+-!!ENDIF
+ !!IF !isEmpty(CMAKE_ADD_SOURCE_INCLUDE_DIRS)
+     include(\"${CMAKE_CURRENT_LIST_DIR}/ExtraSourceIncludes.cmake\" OPTIONAL)
+ !!ENDIF
+@@ -272,25 +228,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_DEBUG_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+     if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" \"\" )
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+     if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ELSE
+         \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ENDIF
+       AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE
+         \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+     endif()
+@@ -309,25 +253,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_RELEASE_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+     if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" \"\" )
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+     if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ELSE
+         \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ENDIF
+       AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE
+         \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+     endif()
+@@ -346,11 +278,7 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+     macro(_populate_$${CMAKE_MODULE_NAME}_plugin_properties Plugin Configuration PLUGIN_LOCATION)
+         set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-!!IF isEmpty(CMAKE_PLUGIN_DIR_IS_ABSOLUTE)
+-        set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ELSE
+         set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ENDIF
+         _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+         set_target_properties(Qt5::${Plugin} PROPERTIES
+             \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff --git a/mkspecs/features/mac/default_post.prf b/mkspecs/features/mac/default_post.prf
+index 99f68b78f5..dde69cb7c2 100644
+--- a/mkspecs/features/mac/default_post.prf
++++ b/mkspecs/features/mac/default_post.prf
+@@ -63,199 +63,3 @@ qt {
+         }
+     }
+ }
+-
+-# Add the same default rpaths as Xcode does for new projects.
+-# This is especially important for iOS/tvOS/watchOS where no other option is possible.
+-!no_default_rpath {
+-    QMAKE_RPATHDIR += @executable_path/Frameworks
+-    equals(TEMPLATE, lib):!plugin:lib_bundle: QMAKE_RPATHDIR += @loader_path/Frameworks
+-}
+-
+-# Don't pass -headerpad_max_install_names when using Bitcode.
+-# In that case the linker emits a warning stating that the flag is ignored when
+-# used with bitcode, for reasons that cannot be determined (rdar://problem/20748962).
+-# Using this flag is also unnecessary in practice on UIKit platforms since they
+-# are sandboxed, and only UIKit platforms support bitcode to begin with.
+-!bitcode: QMAKE_LFLAGS += $$QMAKE_LFLAGS_HEADERPAD
+-
+-app_extension_api_only {
+-    QMAKE_CFLAGS              += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_CXXFLAGS            += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_CXXFLAGS_PRECOMPILE += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_LFLAGS              += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-}
+-
+-macx-xcode {
+-    qmake_pkginfo_typeinfo.name = QMAKE_PKGINFO_TYPEINFO
+-    !isEmpty(QMAKE_PKGINFO_TYPEINFO): \
+-        qmake_pkginfo_typeinfo.value = $$QMAKE_PKGINFO_TYPEINFO
+-    else: \
+-        qmake_pkginfo_typeinfo.value = "????"
+-    QMAKE_MAC_XCODE_SETTINGS += qmake_pkginfo_typeinfo
+-
+-    !isEmpty(VERSION) {
+-        l = $$split(VERSION, '.') 0 0  # make sure there are at least three
+-        VER_MAJ = $$member(l, 0, 0)
+-        VER_MIN = $$member(l, 1, 1)
+-        VER_PAT = $$member(l, 2, 2)
+-        unset(l)
+-
+-        qmake_full_version.name = QMAKE_FULL_VERSION
+-        qmake_full_version.value = $${VER_MAJ}.$${VER_MIN}.$${VER_PAT}
+-        QMAKE_MAC_XCODE_SETTINGS += qmake_full_version
+-
+-        qmake_short_version.name = QMAKE_SHORT_VERSION
+-        qmake_short_version.value = $${VER_MAJ}.$${VER_MIN}
+-        QMAKE_MAC_XCODE_SETTINGS += qmake_short_version
+-    }
+-
+-    !isEmpty(QMAKE_XCODE_DEBUG_INFORMATION_FORMAT) {
+-        debug_information_format.name = DEBUG_INFORMATION_FORMAT
+-        debug_information_format.value = $$QMAKE_XCODE_DEBUG_INFORMATION_FORMAT
+-        debug_information_format.build = debug
+-        QMAKE_MAC_XCODE_SETTINGS += debug_information_format
+-    }
+-
+-    QMAKE_XCODE_ARCHS =
+-
+-    arch_device.name = "ARCHS[sdk=$${device.sdk}*]"
+-    arch_device.value = $$QMAKE_APPLE_DEVICE_ARCHS
+-    QMAKE_XCODE_ARCHS += $$QMAKE_APPLE_DEVICE_ARCHS
+-    QMAKE_MAC_XCODE_SETTINGS += arch_device
+-
+-    simulator {
+-        arch_simulator.name = "ARCHS[sdk=$${simulator.sdk}*]"
+-        arch_simulator.value = $$QMAKE_APPLE_SIMULATOR_ARCHS
+-        QMAKE_XCODE_ARCHS += $$QMAKE_APPLE_SIMULATOR_ARCHS
+-        QMAKE_MAC_XCODE_SETTINGS += arch_simulator
+-    }
+-
+-    only_active_arch.name = ONLY_ACTIVE_ARCH
+-    only_active_arch.value = YES
+-    only_active_arch.build = debug
+-    QMAKE_MAC_XCODE_SETTINGS += only_active_arch
+-} else {
+-    device|!simulator: VALID_DEVICE_ARCHS = $$QMAKE_APPLE_DEVICE_ARCHS
+-    simulator: VALID_SIMULATOR_ARCHS = $$QMAKE_APPLE_SIMULATOR_ARCHS
+-    VALID_ARCHS = $$VALID_DEVICE_ARCHS $$VALID_SIMULATOR_ARCHS
+-
+-    isEmpty(VALID_ARCHS): \
+-        error("QMAKE_APPLE_DEVICE_ARCHS or QMAKE_APPLE_SIMULATOR_ARCHS must contain at least one architecture")
+-
+-    single_arch: VALID_ARCHS = $$first(VALID_ARCHS)
+-
+-    ACTIVE_ARCHS = $(filter $(EXPORT_VALID_ARCHS), $(ARCHS))
+-    ARCH_ARGS = $(foreach arch, $(if $(EXPORT_ACTIVE_ARCHS), $(EXPORT_ACTIVE_ARCHS), $(EXPORT_VALID_ARCHS)), -arch $(arch))
+-
+-    QMAKE_EXTRA_VARIABLES += VALID_ARCHS ACTIVE_ARCHS ARCH_ARGS
+-
+-    arch_flags = $(EXPORT_ARCH_ARGS)
+-
+-    QMAKE_CFLAGS += $$arch_flags
+-    QMAKE_CXXFLAGS += $$arch_flags
+-    QMAKE_LFLAGS += $$arch_flags
+-
+-    QMAKE_PCH_ARCHS = $$VALID_ARCHS
+-
+-    macos: deployment_target = $$QMAKE_MACOSX_DEPLOYMENT_TARGET
+-    ios: deployment_target = $$QMAKE_IOS_DEPLOYMENT_TARGET
+-    tvos: deployment_target = $$QMAKE_TVOS_DEPLOYMENT_TARGET
+-    watchos: deployment_target = $$QMAKE_WATCHOS_DEPLOYMENT_TARGET
+-
+-    # If we're doing a simulator and device build, device and simulator
+-    # architectures use different paths and flags for the sysroot and
+-    # deployment target switch, so we must multiplex them across multiple
+-    # architectures using -Xarch. Otherwise we fall back to the simple path.
+-    # This is not strictly necessary, but results in cleaner command lines
+-    # and makes it easier for people to override EXPORT_VALID_ARCHS to limit
+-    # individual rules to a different set of architecture(s) from the overall
+-    # build (such as machtest in QtCore).
+-    simulator:device {
+-        QMAKE_XARCH_CFLAGS =
+-        QMAKE_XARCH_LFLAGS =
+-        QMAKE_EXTRA_VARIABLES += QMAKE_XARCH_CFLAGS QMAKE_XARCH_LFLAGS
+-
+-        for (arch, VALID_ARCHS) {
+-            contains(VALID_SIMULATOR_ARCHS, $$arch) {
+-                sdk = $$simulator.sdk
+-                version_identifier = $$simulator.deployment_identifier
+-            } else {
+-                sdk = $$device.sdk
+-                version_identifier = $$device.deployment_identifier
+-            }
+-
+-            version_min_flags = \
+-                -Xarch_$${arch} \
+-                -m$${version_identifier}-version-min=$$deployment_target
+-            QMAKE_XARCH_CFLAGS_$${arch} = $$version_min_flags \
+-                -Xarch_$${arch} \
+-                -isysroot$$xcodeSDKInfo(Path, $$sdk)
+-            QMAKE_XARCH_LFLAGS_$${arch} = $$version_min_flags \
+-                -Xarch_$${arch} \
+-                -Wl,-syslibroot,$$xcodeSDKInfo(Path, $$sdk)
+-
+-            QMAKE_XARCH_CFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS_$${arch})
+-            QMAKE_XARCH_LFLAGS += $(EXPORT_QMAKE_XARCH_LFLAGS_$${arch})
+-
+-            QMAKE_EXTRA_VARIABLES += \
+-                QMAKE_XARCH_CFLAGS_$${arch} \
+-                QMAKE_XARCH_LFLAGS_$${arch}
+-        }
+-
+-        QMAKE_CFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS)
+-        QMAKE_CXXFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS)
+-        QMAKE_LFLAGS += $(EXPORT_QMAKE_XARCH_LFLAGS)
+-    } else {
+-        simulator: \
+-            version_identifier = $$simulator.deployment_identifier
+-        else: \
+-            version_identifier = $$device.deployment_identifier
+-        version_min_flag = -m$${version_identifier}-version-min=$$deployment_target
+-        QMAKE_CFLAGS += -isysroot $$QMAKE_MAC_SDK_PATH $$version_min_flag
+-        QMAKE_CXXFLAGS += -isysroot $$QMAKE_MAC_SDK_PATH $$version_min_flag
+-        QMAKE_LFLAGS += -Wl,-syslibroot,$$QMAKE_MAC_SDK_PATH $$version_min_flag
+-    }
+-
+-    # Enable precompiled headers for multiple architectures
+-    QMAKE_CFLAGS_USE_PRECOMPILE =
+-    for (arch, VALID_ARCHS) {
+-        icc_pch_style: \
+-            use_flag = "-pch-use "
+-        else: \
+-            use_flag = -include
+-
+-        # Only use Xarch with multi-arch, as the option confuses ccache
+-        count(VALID_ARCHS, 1, greaterThan): \
+-            QMAKE_CFLAGS_USE_PRECOMPILE += \
+-                -Xarch_$${arch}
+-
+-        QMAKE_CFLAGS_USE_PRECOMPILE += \
+-            $${use_flag}${QMAKE_PCH_OUTPUT_$${arch}}
+-    }
+-    icc_pch_style {
+-        QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE -include ${QMAKE_PCH_INPUT}
+-        QMAKE_CFLAGS_USE_PRECOMPILE =
+-    } else {
+-        QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-        QMAKE_OBJCFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-        QMAKE_OBJCXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-    }
+-
+-    QMAKE_PCH_OUTPUT_EXT = _${QMAKE_PCH_ARCH}$${QMAKE_PCH_OUTPUT_EXT}
+-}
+-
+-cache(QMAKE_XCODE_DEVELOPER_PATH, stash)
+-!isEmpty(QMAKE_XCODE_VERSION): \
+-    cache(QMAKE_XCODE_VERSION, stash)
+-
+-QMAKE_XCODE_LIBRARY_SUFFIX = $$qtPlatformTargetSuffix()
+-
+-xcode_product_bundle_identifier_setting.name = PRODUCT_BUNDLE_IDENTIFIER
+-xcode_product_bundle_identifier_setting.value = $$QMAKE_TARGET_BUNDLE_PREFIX
+-isEmpty(xcode_product_bundle_identifier_setting.value): \
+-    xcode_product_bundle_identifier_setting.value = "com.yourcompany"
+-xcode_product_bundle_target = $$QMAKE_BUNDLE
+-isEmpty(xcode_product_bundle_target): \
+-    xcode_product_bundle_target = ${PRODUCT_NAME:rfc1034identifier}
+-xcode_product_bundle_identifier_setting.value = "$${xcode_product_bundle_identifier_setting.value}.$${xcode_product_bundle_target}"
+-QMAKE_MAC_XCODE_SETTINGS += xcode_product_bundle_identifier_setting
+diff --git a/mkspecs/features/mac/default_pre.prf b/mkspecs/features/mac/default_pre.prf
+index e3534561a5..3b01424e67 100644
+--- a/mkspecs/features/mac/default_pre.prf
++++ b/mkspecs/features/mac/default_pre.prf
+@@ -1,60 +1,2 @@
+ CONFIG = asset_catalogs rez $$CONFIG
+ load(default_pre)
+-
+-isEmpty(QMAKE_XCODE_DEVELOPER_PATH) {
+-    # Get path of Xcode's Developer directory
+-    QMAKE_XCODE_DEVELOPER_PATH = $$system("/usr/bin/xcode-select --print-path 2>/dev/null")
+-    isEmpty(QMAKE_XCODE_DEVELOPER_PATH): \
+-        error("Xcode path is not set. Please use xcode-select to choose Xcode installation path.")
+-
+-    # Make sure Xcode path is valid
+-    !exists($$QMAKE_XCODE_DEVELOPER_PATH): \
+-        error("Xcode is not installed in $${QMAKE_XCODE_DEVELOPER_PATH}. Please use xcode-select to choose Xcode installation path.")
+-}
+-
+-isEmpty(QMAKE_XCODEBUILD_PATH): \
+-    QMAKE_XCODEBUILD_PATH = $$system("/usr/bin/xcrun -find xcodebuild 2>/dev/null")
+-
+-!isEmpty(QMAKE_XCODEBUILD_PATH) {
+-    # Make sure Xcode is set up properly
+-    !system("/usr/bin/xcrun xcodebuild -license check 2>/dev/null"): \
+-        error("Xcode not set up properly. You need to confirm the license agreement by running 'sudo xcrun xcodebuild -license accept'.")
+-
+-    isEmpty(QMAKE_XCODE_VERSION) {
+-        # Extract Xcode version using xcodebuild
+-        xcode_version = $$system("/usr/bin/xcrun xcodebuild -version")
+-        QMAKE_XCODE_VERSION = $$member(xcode_version, 1)
+-        isEmpty(QMAKE_XCODE_VERSION): error("Could not resolve Xcode version.")
+-        unset(xcode_version)
+-    }
+-}
+-
+-isEmpty(QMAKE_TARGET_BUNDLE_PREFIX) {
+-    QMAKE_XCODE_PREFERENCES_FILE = $$(HOME)/Library/Preferences/com.apple.dt.Xcode.plist
+-    exists($$QMAKE_XCODE_PREFERENCES_FILE): \
+-        QMAKE_TARGET_BUNDLE_PREFIX = $$system("/usr/libexec/PlistBuddy -c 'print IDETemplateOptions:bundleIdentifierPrefix' $$QMAKE_XCODE_PREFERENCES_FILE 2>/dev/null")
+-
+-    !isEmpty(_QMAKE_CACHE_):!isEmpty(QMAKE_TARGET_BUNDLE_PREFIX): \
+-        cache(QMAKE_TARGET_BUNDLE_PREFIX)
+-}
+-
+-QMAKE_ASSET_CATALOGS_APP_ICON = AppIcon
+-
+-# Make the default debug info format for static debug builds
+-# DWARF instead of DWARF with dSYM. This cuts down build times
+-# for application debug builds significantly, as Xcode doesn't
+-# have to pull out all the DWARF info from the Qt static libs
+-# and put it into a dSYM file. We don't need that dSYM file in
+-# the first place, since the information is available in the
+-# object files inside the archives (static libraries).
+-macx-xcode:qtConfig(static): \
+-    QMAKE_XCODE_DEBUG_INFORMATION_FORMAT = dwarf
+-
+-# This variable is used by the xcode_dynamic_library_suffix
+-# feature, which allows Xcode to choose the Qt libraries to link to
+-# at build time, depending on the current Xcode SDK and configuration.
+-QMAKE_XCODE_LIBRARY_SUFFIX_SETTING = QT_LIBRARY_SUFFIX
+-
+-xcode_copy_phase_strip_setting.name = COPY_PHASE_STRIP
+-xcode_copy_phase_strip_setting.value = NO
+-QMAKE_MAC_XCODE_SETTINGS += xcode_copy_phase_strip_setting
+diff --git a/mkspecs/features/mac/sdk.prf b/mkspecs/features/mac/sdk.prf
+index 8360dd8b38..8b13789179 100644
+--- a/mkspecs/features/mac/sdk.prf
++++ b/mkspecs/features/mac/sdk.prf
+@@ -1,58 +1 @@
+ 
+-isEmpty(QMAKE_MAC_SDK): \
+-    error("QMAKE_MAC_SDK must be set when using CONFIG += sdk.")
+-
+-contains(QMAKE_MAC_SDK, .*/.*): \
+-    error("QMAKE_MAC_SDK can only contain short-form SDK names (eg. macosx, iphoneos)")
+-
+-defineReplace(xcodeSDKInfo) {
+-    info = $$1
+-    equals(info, "Path"): \
+-        infoarg = --show-sdk-path
+-    equals(info, "PlatformPath"): \
+-        infoarg = --show-sdk-platform-path
+-    equals(info, "SDKVersion"): \
+-        infoarg = --show-sdk-version
+-    sdk = $$2
+-    isEmpty(sdk): \
+-        sdk = $$QMAKE_MAC_SDK
+-
+-    isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}) {
+-        QMAKE_MAC_SDK.$${sdk}.$${info} = $$system("/usr/bin/xcrun --sdk $$sdk $$infoarg 2>/dev/null")
+-        # --show-sdk-platform-path won't work for Command Line Tools; this is fine
+-        # only used by the XCTest backend to testlib
+-        isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}):if(!isEmpty(QMAKE_XCODEBUILD_PATH)|!equals(infoarg, "--show-sdk-platform-path")): \
+-            error("Could not resolve SDK $$info for \'$$sdk\' using $$infoarg")
+-        cache(QMAKE_MAC_SDK.$${sdk}.$${info}, set stash, QMAKE_MAC_SDK.$${sdk}.$${info})
+-    }
+-
+-    return($$eval(QMAKE_MAC_SDK.$${sdk}.$${info}))
+-}
+-
+-QMAKE_MAC_SDK_PATH = $$xcodeSDKInfo(Path)
+-QMAKE_MAC_SDK_PLATFORM_PATH = $$xcodeSDKInfo(PlatformPath)
+-QMAKE_MAC_SDK_VERSION = $$xcodeSDKInfo(SDKVersion)
+-
+-sysrootified =
+-for(val, QMAKE_INCDIR_OPENGL): sysrootified += $${QMAKE_MAC_SDK_PATH}$$val
+-QMAKE_INCDIR_OPENGL = $$sysrootified
+-
+-QMAKESPEC_NAME = $$basename(QMAKESPEC)
+-
+-# Resolve SDK version of various tools
+-for(tool, $$list(QMAKE_CC QMAKE_CXX QMAKE_FIX_RPATH QMAKE_AR QMAKE_RANLIB QMAKE_LINK QMAKE_LINK_SHLIB QMAKE_ACTOOL QMAKE_LINK_C QMAKE_LINK_C_SHLIB)) {
+-    tool_variable = QMAKE_MAC_SDK.$${QMAKESPEC_NAME}.$${QMAKE_MAC_SDK}.$${tool}
+-    !isEmpty($$tool_variable) {
+-        $$tool = $$eval($$tool_variable)
+-        next()
+-    }
+-
+-    value = $$eval($$tool)
+-    isEmpty(value): next()
+-
+-    sysrooted = $$system("/usr/bin/xcrun -sdk $$QMAKE_MAC_SDK -find $$first(value) 2>/dev/null")
+-    isEmpty(sysrooted): next()
+-
+-    $$tool = $$sysrooted $$member(value, 1, -1)
+-    cache($$tool_variable, set stash, $$tool)
+-}
+diff --git a/mkspecs/features/qml_module.prf b/mkspecs/features/qml_module.prf
+index 65212b2abf..accd4c07f0 100644
+--- a/mkspecs/features/qml_module.prf
++++ b/mkspecs/features/qml_module.prf
+@@ -52,7 +52,7 @@ qmldir.base = $$_PRO_FILE_PWD_
+ # Tools need qmldir and plugins.qmltypes always installed on the file system
+ qmldir.files = $$qmldir_file $$fq_aux_qml_files
+ install_qml_files: qmldir.files += $$fq_qml_files
+-qmldir.path = $$instbase/$$TARGETPATH
++qmldir.path = $$NIX_OUTPUT_QML/$$TARGETPATH
+ INSTALLS += qmldir
+ 
+ !debug_and_release|!build_all|CONFIG(release, debug|release) {
+diff --git a/mkspecs/features/qml_plugin.prf b/mkspecs/features/qml_plugin.prf
+index cd6377dcc6..e98bf98151 100644
+--- a/mkspecs/features/qml_plugin.prf
++++ b/mkspecs/features/qml_plugin.prf
+@@ -56,7 +56,7 @@ qml1_target {
+     instbase = $$[QT_INSTALL_QML]
+ }
+ 
+-target.path = $$instbase/$$TARGETPATH
++target.path = $$NIX_OUTPUT_QML/$$TARGETPATH
+ INSTALLS += target
+ 
+ # Some final setup
+diff --git a/mkspecs/features/qt_app.prf b/mkspecs/features/qt_app.prf
+index 8354f30eea..62028fef8e 100644
+--- a/mkspecs/features/qt_app.prf
++++ b/mkspecs/features/qt_app.prf
+@@ -30,7 +30,7 @@ host_build:force_bootstrap {
+     target.path = $$[QT_HOST_BINS]
+ } else {
+     !build_pass:qtConfig(debug_and_release): CONFIG += release
+-    target.path = $$[QT_INSTALL_BINS]
++    target.path = $$NIX_OUTPUT_BIN/bin
+     CONFIG += relative_qt_rpath  # Qt's tools and apps should be relocatable
+ }
+ INSTALLS += target
+diff --git a/mkspecs/features/qt_build_paths.prf b/mkspecs/features/qt_build_paths.prf
+index 3bb3823a8e..655b7b7db8 100644
+--- a/mkspecs/features/qt_build_paths.prf
++++ b/mkspecs/features/qt_build_paths.prf
+@@ -24,6 +24,6 @@ exists($$MODULE_BASE_INDIR/.git): \
+ !force_independent {
+     # If the module is not built independently, everything ends up in qtbase.
+     # This is the case in non-prefix builds, except for selected modules.
+-    MODULE_BASE_OUTDIR = $$[QT_HOST_PREFIX]
+-    MODULE_QMAKE_OUTDIR = $$[QT_HOST_PREFIX]
++    MODULE_BASE_OUTDIR = $$NIX_OUTPUT_OUT
++    MODULE_QMAKE_OUTDIR = $$NIX_OUTPUT_OUT
+ }
+diff --git a/mkspecs/features/qt_common.prf b/mkspecs/features/qt_common.prf
+index 4ad9946ae0..6d66f29c26 100644
+--- a/mkspecs/features/qt_common.prf
++++ b/mkspecs/features/qt_common.prf
+@@ -34,8 +34,8 @@ contains(TEMPLATE, .*lib) {
+         qqt_libdir = \$\$\$\$[QT_HOST_LIBS]
+         qt_libdir = $$[QT_HOST_LIBS]
+     } else {
+-        qqt_libdir = \$\$\$\$[QT_INSTALL_LIBS]
+-        qt_libdir = $$[QT_INSTALL_LIBS]
++        qqt_libdir = \$\$\$\$NIX_OUTPUT_OUT/lib
++        qt_libdir = $$NIX_OUTPUT_OUT/lib
+     }
+     contains(QMAKE_DEFAULT_LIBDIRS, $$qt_libdir) {
+         lib_replace.match = "[^ ']*$$rplbase/lib"
+diff --git a/mkspecs/features/qt_docs.prf b/mkspecs/features/qt_docs.prf
+index 3139c443c6..1b4f2fddd8 100644
+--- a/mkspecs/features/qt_docs.prf
++++ b/mkspecs/features/qt_docs.prf
+@@ -45,7 +45,7 @@ QMAKE_DOCS_OUTPUTDIR = $$QMAKE_DOCS_BASE_OUTDIR/$$QMAKE_DOCS_TARGETDIR
+ 
+ QDOC += -outputdir $$shell_quote($$QMAKE_DOCS_OUTPUTDIR)
+ !build_online_docs: \
+-    QDOC += -installdir $$shell_quote($$[QT_INSTALL_DOCS])
++    QDOC += -installdir $$shell_quote($$NIX_OUTPUT_DOC)
+ PREP_DOC_INDEXES =
+ DOC_INDEXES =
+ !isEmpty(QTREPOS) {
+@@ -64,8 +64,8 @@ DOC_INDEXES =
+         DOC_INDEXES += -indexdir $$shell_quote($$qrep/doc)
+ } else {
+     prepare_docs: \
+-        PREP_DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
+-    DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
++        PREP_DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
++    DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
+ }
+ 
+ qtattributionsscanner.target = qtattributionsscanner
+@@ -88,12 +88,12 @@ prepare_docs {
+     qch_docs.commands = $$QHELPGENERATOR $$shell_quote($$QMAKE_DOCS_OUTPUTDIR/$${QMAKE_DOCS_TARGET}.qhp) -o $$shell_quote($$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch)
+ 
+     inst_html_docs.files = $$QMAKE_DOCS_OUTPUTDIR
+-    inst_html_docs.path = $$[QT_INSTALL_DOCS]
++    inst_html_docs.path = $$NIX_OUTPUT_DOC
+     inst_html_docs.CONFIG += no_check_exist directory no_default_install no_build
+     INSTALLS += inst_html_docs
+ 
+     inst_qch_docs.files = $$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch
+-    inst_qch_docs.path = $$[QT_INSTALL_DOCS]
++    inst_qch_docs.path = $$NIX_OUTPUT_DOC
+     inst_qch_docs.CONFIG += no_check_exist no_default_install no_build
+     INSTALLS += inst_qch_docs
+ 
+diff --git a/mkspecs/features/qt_example_installs.prf b/mkspecs/features/qt_example_installs.prf
+index 43b58817fe..e635b8f67a 100644
+--- a/mkspecs/features/qt_example_installs.prf
++++ b/mkspecs/features/qt_example_installs.prf
+@@ -88,7 +88,7 @@ sourcefiles += \
+     $$SOURCES $$HEADERS $$FORMS $$RESOURCES $$TRANSLATIONS \
+     $$DBUS_ADAPTORS $$DBUS_INTERFACES
+ addInstallFiles(sources.files, $$sourcefiles)
+-sources.path = $$[QT_INSTALL_EXAMPLES]/$$probase
++sources.path = $$NIX_OUTPUT_DEV/share/examples/$$probase
+ INSTALLS += sources
+ 
+ check_examples {
+diff --git a/mkspecs/features/qt_functions.prf b/mkspecs/features/qt_functions.prf
+index 1903e509c8..ae7b585989 100644
+--- a/mkspecs/features/qt_functions.prf
++++ b/mkspecs/features/qt_functions.prf
+@@ -69,7 +69,7 @@ defineTest(qtHaveModule) {
+ defineTest(qtPrepareTool) {
+     cmd = $$eval(QT_TOOL.$${2}.binary)
+     isEmpty(cmd) {
+-        cmd = $$[QT_HOST_BINS]/$$2
++        cmd = $$system("command -v $$2")
+         exists($${cmd}.pl) {
+             $${1}_EXE = $${cmd}.pl
+             cmd = perl -w $$system_path($${cmd}.pl)
+diff --git a/mkspecs/features/qt_installs.prf b/mkspecs/features/qt_installs.prf
+index 8f98987b99..21b3bb8b32 100644
+--- a/mkspecs/features/qt_installs.prf
++++ b/mkspecs/features/qt_installs.prf
+@@ -12,16 +12,10 @@
+ #library
+ !qt_no_install_library {
+     win32 {
+-       host_build: \
+-           dlltarget.path = $$[QT_HOST_BINS]
+-       else: \
+-           dlltarget.path = $$[QT_INSTALL_BINS]
++        dlltarget.path = $$NIX_OUTPUT_BIN/bin
+        INSTALLS += dlltarget
+     }
+-    host_build: \
+-        target.path = $$[QT_HOST_LIBS]
+-    else: \
+-        target.path = $$[QT_INSTALL_LIBS]
++    target.path = $$NIX_OUTPUT_OUT/lib
+     !static: target.CONFIG = no_dll
+     INSTALLS += target
+ }
+@@ -29,33 +23,33 @@
+ #headers
+ qt_install_headers {
+     gen_headers.files = $$SYNCQT.GENERATED_HEADER_FILES
+-    gen_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++    gen_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+     INSTALLS += gen_headers
+ 
+     targ_headers.files = $$SYNCQT.HEADER_FILES $$SYNCQT.INJECTED_HEADER_FILES
+-    targ_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++    targ_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+     INSTALLS += targ_headers
+ 
+     private_headers.files = $$SYNCQT.PRIVATE_HEADER_FILES $$SYNCQT.INJECTED_PRIVATE_HEADER_FILES
+-    private_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
++    private_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
+     INSTALLS += private_headers
+ 
+     qpa_headers.files = $$SYNCQT.QPA_HEADER_FILES
+-    qpa_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
++    qpa_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
+     INSTALLS += qpa_headers
+ }
+ 
+ #module
+ qt_install_module {
+     !isEmpty(MODULE_PRI) {
+-        pritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++        pritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+         pritarget.files = $$MODULE_PRI
+         INSTALLS += pritarget
+     } else: isEmpty(MODULE_PRIVATE_PRI) {
+         warning("Project $$basename(_PRO_FILE_) is a module, but has not defined MODULE_PRI, which is required for Qt to expose the module to other projects.")
+     }
+     !isEmpty(MODULE_PRIVATE_PRI) {
+-        privpritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++        privpritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+         privpritarget.files = $$MODULE_PRIVATE_PRI
+         INSTALLS += privpritarget
+     }
+diff --git a/mkspecs/features/qt_plugin.prf b/mkspecs/features/qt_plugin.prf
+index 40528a65e2..903f795284 100644
+--- a/mkspecs/features/qt_plugin.prf
++++ b/mkspecs/features/qt_plugin.prf
+@@ -88,7 +88,7 @@ CONFIG(static, static|shared)|prefix_build {
+     }
+ }
+ 
+-target.path = $$[QT_INSTALL_PLUGINS]/$$PLUGIN_TYPE
++target.path = $$NIX_OUTPUT_PLUGIN/$$PLUGIN_TYPE
+ INSTALLS += target
+ 
+ TARGET = $$qt5LibraryTarget($$TARGET)
+diff --git a/src/corelib/Qt5CoreConfigExtras.cmake.in b/src/corelib/Qt5CoreConfigExtras.cmake.in
+index e0652fdcf9..450b2a2d28 100644
+--- a/src/corelib/Qt5CoreConfigExtras.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtras.cmake.in
+@@ -3,7 +3,7 @@ if (NOT TARGET Qt5::qmake)
+     add_executable(Qt5::qmake IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -18,7 +18,7 @@ if (NOT TARGET Qt5::moc)
+     add_executable(Qt5::moc IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -35,7 +35,7 @@ if (NOT TARGET Qt5::rcc)
+     add_executable(Qt5::rcc IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -116,7 +116,7 @@ if (NOT TARGET Qt5::WinMain)
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+     set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ENDIF
+@@ -130,7 +130,7 @@ if (NOT TARGET Qt5::WinMain)
+     set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+ 
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ENDIF
+diff --git a/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in b/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
+index c357237d0e..6f0c75de3c 100644
+--- a/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
+@@ -1,6 +1,6 @@
+ 
+ !!IF isEmpty(CMAKE_HOST_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_HOST_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff --git a/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in b/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
+index 706304cf34..546420f6ad 100644
+--- a/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
+@@ -1,6 +1,6 @@
+ 
+ !!IF isEmpty(CMAKE_INSTALL_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_INSTALL_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
+index 463e30e1c3..0e1ab669e4 100644
+--- a/src/corelib/kernel/qcoreapplication.cpp
++++ b/src/corelib/kernel/qcoreapplication.cpp
+@@ -2665,6 +2665,15 @@ QStringList QCoreApplication::libraryPaths()
+         QStringList *app_libpaths = new QStringList;
+         coreappdata()->app_libpaths.reset(app_libpaths);
+ 
++        // Add library paths derived from PATH
++        const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(':');
++        const QString plugindir = QStringLiteral("../" NIXPKGS_QT_PLUGIN_PREFIX);
++        for (const QString &path: paths) {
++            if (!path.isEmpty()) {
++                app_libpaths->append(QDir::cleanPath(path + QDir::separator() + plugindir));
++            }
++        }
++
+         const QByteArray libPathEnv = qgetenv("QT_PLUGIN_PATH");
+         if (!libPathEnv.isEmpty()) {
+             QStringList paths = QFile::decodeName(libPathEnv).split(QDir::listSeparator(), QString::SkipEmptyParts);
+diff --git a/src/corelib/tools/qtimezoneprivate_tz.cpp b/src/corelib/tools/qtimezoneprivate_tz.cpp
+index bed62a02bd..73158993f7 100644
+--- a/src/corelib/tools/qtimezoneprivate_tz.cpp
++++ b/src/corelib/tools/qtimezoneprivate_tz.cpp
+@@ -70,7 +70,11 @@ typedef QHash<QByteArray, QTzTimeZone> QTzTimeZoneHash;
+ // Parse zone.tab table, assume lists all installed zones, if not will need to read directories
+ static QTzTimeZoneHash loadTzTimeZones()
+ {
+-    QString path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
++    // Try TZDIR first, in case we're running on NixOS.
++    QString path = QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/zone.tab");
++    // Fallback to traditional paths in case we are not on NixOS.
++    if (!QFile::exists(path))
++        path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
+     if (!QFile::exists(path))
+         path = QStringLiteral("/usr/lib/zoneinfo/zone.tab");
+ 
+@@ -644,12 +648,16 @@ void QTzTimeZonePrivate::init(const QByteArray &ianaId)
+         if (!tzif.open(QIODevice::ReadOnly))
+             return;
+     } else {
+-        // Open named tz, try modern path first, if fails try legacy path
+-        tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++        // Try TZDIR first, in case we're running on NixOS
++        tzif.setFileName(QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/") + QString::fromLocal8Bit(ianaId));
+         if (!tzif.open(QIODevice::ReadOnly)) {
+-            tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
+-            if (!tzif.open(QIODevice::ReadOnly))
+-                return;
++            // Open named tz, try modern path first, if fails try legacy path
++            tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++            if (!tzif.open(QIODevice::ReadOnly)) {
++                tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++                if (!tzif.open(QIODevice::ReadOnly))
++                    return;
++            }
+         }
+     }
+ 
+diff --git a/src/dbus/Qt5DBusConfigExtras.cmake.in b/src/dbus/Qt5DBusConfigExtras.cmake.in
+index 1d947159e2..b36865fc48 100644
+--- a/src/dbus/Qt5DBusConfigExtras.cmake.in
++++ b/src/dbus/Qt5DBusConfigExtras.cmake.in
+@@ -2,11 +2,7 @@
+ if (NOT TARGET Qt5::qdbuscpp2xml)
+     add_executable(Qt5::qdbuscpp2xml IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+-    set(imported_location \"$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+     _qt5_DBus_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qdbuscpp2xml PROPERTIES
+@@ -17,11 +13,7 @@ endif()
+ if (NOT TARGET Qt5::qdbusxml2cpp)
+     add_executable(Qt5::qdbusxml2cpp IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+-    set(imported_location \"$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+     _qt5_DBus_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qdbusxml2cpp PROPERTIES
+diff --git a/src/gui/Qt5GuiConfigExtras.cmake.in b/src/gui/Qt5GuiConfigExtras.cmake.in
+index 07869efd7d..fb4183bada 100644
+--- a/src/gui/Qt5GuiConfigExtras.cmake.in
++++ b/src/gui/Qt5GuiConfigExtras.cmake.in
+@@ -2,7 +2,7 @@
+ !!IF !isEmpty(CMAKE_ANGLE_EGL_DLL_RELEASE)
+ 
+ !!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+-set(Qt5Gui_EGL_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR/QtANGLE\")
++set(Qt5Gui_EGL_INCLUDE_DIRS \"$$NIX_OUTPUT_DEV/$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ELSE
+ set(Qt5Gui_EGL_INCLUDE_DIRS \"$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ENDIF
+@@ -17,13 +17,13 @@ macro(_populate_qt5gui_gl_target_properties TargetName Configuration LIB_LOCATIO
+     set_property(TARGET Qt5::${TargetName} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+ !!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Gui_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
++    set(imported_location \"$$NIX_OUTPUT_OUT/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ENDIF
+ 
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_implib \"${_qt5Gui_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
++    set(imported_implib \"$$NIX_OUTPUT_OUT/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ELSE
+     set(imported_implib \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ENDIF
+diff --git a/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp b/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp
+index b5a0a5bbeb..6c20305f4d 100644
+--- a/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp
++++ b/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp
+@@ -265,12 +265,9 @@ void TableGenerator::initPossibleLocations()
+     m_possibleLocations.reserve(7);
+     if (qEnvironmentVariableIsSet("QTCOMPOSE"))
+         m_possibleLocations.append(QString::fromLocal8Bit(qgetenv("QTCOMPOSE")));
+-    m_possibleLocations.append(QStringLiteral("/usr/share/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/local/share/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/lib/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/local/lib/X11/locale"));
+     m_possibleLocations.append(QStringLiteral(X11_PREFIX "/share/X11/locale"));
+     m_possibleLocations.append(QStringLiteral(X11_PREFIX "/lib/X11/locale"));
++    m_possibleLocations.append(QLatin1String(NIXPKGS_QTCOMPOSE));
+ }
+ 
+ QString TableGenerator::findComposeFile()
+diff --git a/src/plugins/platforms/xcb/qxcbcursor.cpp b/src/plugins/platforms/xcb/qxcbcursor.cpp
+index 57629ac03a..8a7f219a98 100644
+--- a/src/plugins/platforms/xcb/qxcbcursor.cpp
++++ b/src/plugins/platforms/xcb/qxcbcursor.cpp
+@@ -316,10 +316,10 @@ QXcbCursor::QXcbCursor(QXcbConnection *conn, QXcbScreen *screen)
+ #if QT_CONFIG(xcb_xlib) && QT_CONFIG(library)
+     static bool function_ptrs_not_initialized = true;
+     if (function_ptrs_not_initialized) {
+-        QLibrary xcursorLib(QLatin1String("Xcursor"), 1);
++        QLibrary xcursorLib(QLatin1String(NIXPKGS_LIBXCURSOR), 1);
+         bool xcursorFound = xcursorLib.load();
+         if (!xcursorFound) { // try without the version number
+-            xcursorLib.setFileName(QLatin1String("Xcursor"));
++            xcursorLib.setFileName(QLatin1String(NIXPKGS_LIBXCURSOR));
+             xcursorFound = xcursorLib.load();
+         }
+         if (xcursorFound) {
+diff --git a/src/plugins/platformthemes/gtk3/main.cpp b/src/plugins/platformthemes/gtk3/main.cpp
+index fb1c425d8e..bb8bab9795 100644
+--- a/src/plugins/platformthemes/gtk3/main.cpp
++++ b/src/plugins/platformthemes/gtk3/main.cpp
+@@ -39,6 +39,7 @@
+ 
+ #include <qpa/qplatformthemeplugin.h>
+ #include "qgtk3theme.h"
++#include <QFile>
+ 
+ QT_BEGIN_NAMESPACE
+ 
+@@ -54,8 +55,22 @@ public:
+ QPlatformTheme *QGtk3ThemePlugin::create(const QString &key, const QStringList &params)
+ {
+     Q_UNUSED(params);
+-    if (!key.compare(QLatin1String(QGtk3Theme::name), Qt::CaseInsensitive))
++    if (!key.compare(QLatin1String(QGtk3Theme::name), Qt::CaseInsensitive)) {
++
++#ifdef NIXPKGS_QGTK3_XDG_DATA_DIRS
++        QStringList XDG_DATA_DIRS = QFile::decodeName(qgetenv("XDG_DATA_DIRS")).split(':');
++        XDG_DATA_DIRS << QLatin1String(NIXPKGS_QGTK3_XDG_DATA_DIRS);
++        qputenv("XDG_DATA_DIRS", QFile::encodeName(XDG_DATA_DIRS.join(':')));
++#endif
++
++#ifdef NIXPKGS_QGTK3_GIO_EXTRA_MODULES
++        QStringList GIO_EXTRA_MODULES = QFile::decodeName(qgetenv("GIO_EXTRA_MODULES")).split(':');
++        GIO_EXTRA_MODULES << QLatin1String(NIXPKGS_QGTK3_GIO_EXTRA_MODULES);
++        qputenv("GIO_EXTRA_MODULES", QFile::encodeName(GIO_EXTRA_MODULES.join(':')));
++#endif
++
+         return new QGtk3Theme;
++    }
+ 
+     return 0;
+ }
+diff --git a/src/testlib/qtestassert.h b/src/testlib/qtestassert.h
+index 6498ea84ef..d821ced7fc 100644
+--- a/src/testlib/qtestassert.h
++++ b/src/testlib/qtestassert.h
+@@ -44,10 +44,13 @@
+ 
+ QT_BEGIN_NAMESPACE
+ 
+-
++#if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS)
++#define QTEST_ASSERT(cond) do { } while ((false) && (cond))
++#define QTEST_ASSERT_X(cond, where, what) do { } while ((false) && (cond))
++#else
+ #define QTEST_ASSERT(cond) do { if (!(cond)) qt_assert(#cond,__FILE__,__LINE__); } while (false)
+-
+ #define QTEST_ASSERT_X(cond, where, what) do { if (!(cond)) qt_assert_x(where, what,__FILE__,__LINE__); } while (false)
++#endif
+ 
+ QT_END_NAMESPACE
+ 
+diff --git a/src/widgets/Qt5WidgetsConfigExtras.cmake.in b/src/widgets/Qt5WidgetsConfigExtras.cmake.in
+index 99d87e2e46..a4eab2aa72 100644
+--- a/src/widgets/Qt5WidgetsConfigExtras.cmake.in
++++ b/src/widgets/Qt5WidgetsConfigExtras.cmake.in
+@@ -3,7 +3,7 @@ if (NOT TARGET Qt5::uic)
+     add_executable(Qt5::uic IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Widgets_install_prefix}/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+diff --git a/src/corelib/kernel/qcore_mac_p.h b/src/corelib/kernel/qcore_mac_p.h
+index b14a494296..779c4eda95 100644
+--- a/src/corelib/kernel/qcore_mac_p.h
++++ b/src/corelib/kernel/qcore_mac_p.h
+@@ -211,7 +211,7 @@ private:
+ 
+ // --------------------------------------------------------------------------
+ 
+-#if !defined(QT_BOOTSTRAPPED)
++#if 0
+ 
+ QT_END_NAMESPACE
+ #include <os/activity.h>
+@@ -289,7 +289,19 @@ QT_MAC_WEAK_IMPORT(_os_activity_current);
+ 
+ #define QT_APPLE_SCOPED_LOG_ACTIVITY(...) QAppleLogActivity scopedLogActivity = QT_APPLE_LOG_ACTIVITY(__VA_ARGS__).enter();
+ 
+-#endif // !defined(QT_BOOTSTRAPPED)
++#else // !defined(QT_BOOTSTRAPPED)
++
++#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT3(...)
++#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT2(...)
++#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT(...)
++
++#define QT_APPLE_LOG_ACTIVITY2(...)
++#define QT_APPLE_LOG_ACTIVITY1(...)
++#define QT_APPLE_LOG_ACTIVITY(...)
++
++#define QT_APPLE_SCOPED_LOG_ACTIVITY(...)
++
++#endif
+ 
+ // -------------------------------------------------------------------------
+ 
+diff --git a/src/testlib/qappletestlogger.cpp b/src/testlib/qappletestlogger.cpp
+index 2c1005ad80..244147ea7d 100644
+--- a/src/testlib/qappletestlogger.cpp
++++ b/src/testlib/qappletestlogger.cpp
+@@ -43,7 +43,7 @@
+ 
+ QT_BEGIN_NAMESPACE
+ 
+-#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
++#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
+ 
+ using namespace QTestPrivate;
+ 
+diff --git a/src/testlib/qtestlog.cpp b/src/testlib/qtestlog.cpp
+index 1268730cc6..a50e9b0764 100644
+--- a/src/testlib/qtestlog.cpp
++++ b/src/testlib/qtestlog.cpp
+@@ -524,7 +524,7 @@ void QTestLog::addLogger(LogMode mode, const char *filename)
+ #endif
+     }
+ 
+-#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
++#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
+     // Logger that also feeds messages to AUL. It needs to wrap the existing
+     // logger, as it needs to be able to short circuit the existing logger
+     // in case AUL prints to stderr.
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtdeclarative.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtdeclarative.patch
new file mode 100644
index 000000000000..8f5b5d4790fb
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtdeclarative.patch
@@ -0,0 +1,33 @@
+diff --git a/src/qml/qml/qqmlimport.cpp b/src/qml/qml/qqmlimport.cpp
+index 005db4248..685c5b1b2 100644
+--- a/src/qml/qml/qqmlimport.cpp
++++ b/src/qml/qml/qqmlimport.cpp
+@@ -1760,6 +1760,15 @@ QQmlImportDatabase::QQmlImportDatabase(QQmlEngine *e)
+     QString installImportsPath =  QLibraryInfo::location(QLibraryInfo::Qml2ImportsPath);
+     addImportPath(installImportsPath);
+ 
++    // Add import paths derived from PATH
++    const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(':');
++    const QString qmldir = QStringLiteral("../" NIXPKGS_QML2_IMPORT_PREFIX);
++    for (const QString &path: paths) {
++        if (!path.isEmpty()) {
++            addImportPath(QDir::cleanPath(path + QDir::separator() + qmldir));
++        }
++    }
++
+     // env import paths
+     if (Q_UNLIKELY(!qEnvironmentVariableIsEmpty("QML2_IMPORT_PATH"))) {
+         const QString envImportPath = qEnvironmentVariable("QML2_IMPORT_PATH");
+diff --git a/tools/qmlcachegen/qmlcache.prf b/tools/qmlcachegen/qmlcache.prf
+index 537eaf62e..e21de58f6 100644
+--- a/tools/qmlcachegen/qmlcache.prf
++++ b/tools/qmlcachegen/qmlcache.prf
+@@ -26,7 +26,7 @@ defineReplace(qmlCacheOutputFileName) {
+ }
+ 
+ qmlcacheinst.base = $$QMLCACHE_DESTDIR
+-qmlcacheinst.path = $$[QT_INSTALL_QML]/$$TARGETPATH
++qmlcacheinst.path = $$NIX_OUTPUT_QML/$$TARGETPATH
+ qmlcacheinst.CONFIG = no_check_exist
+ 
+ qmlcachegen.input = CACHEGEN_FILES
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtscript.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtscript.patch
new file mode 100644
index 000000000000..5508dec1280e
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtscript.patch
@@ -0,0 +1,13 @@
+diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
+index 1f6d25e..087c3fb 100644
+--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
++++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
+@@ -81,7 +81,7 @@
+ #include <pthread.h>
+ #elif PLATFORM(GTK)
+ #include <wtf/gtk/GOwnPtr.h>
+-typedef struct _GMutex GMutex;
++typedef union _GMutex GMutex;
+ typedef struct _GCond GCond;
+ #endif
+ 
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtserialport.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtserialport.patch
new file mode 100644
index 000000000000..f25524e80bcf
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtserialport.patch
@@ -0,0 +1,22 @@
+diff --git a/src/serialport/qtudev_p.h b/src/serialport/qtudev_p.h
+index af2dab2..8e17f64 100644
+--- a/src/serialport/qtudev_p.h
++++ b/src/serialport/qtudev_p.h
+@@ -111,9 +111,17 @@ inline QFunctionPointer resolveSymbol(QLibrary *udevLibrary, const char *symbolN
+ inline bool resolveSymbols(QLibrary *udevLibrary)
+ {
+     if (!udevLibrary->isLoaded()) {
++#ifdef NIXPKGS_LIBUDEV
++        udevLibrary->setFileNameAndVersion(QLatin1String(NIXPKGS_LIBUDEV), 1);
++#else
+         udevLibrary->setFileNameAndVersion(QStringLiteral("udev"), 1);
++#endif
+         if (!udevLibrary->load()) {
++#ifdef NIXPKGS_LIBUDEV
++            udevLibrary->setFileNameAndVersion(QLatin1String(NIXPKGS_LIBUDEV), 0);
++#else
+             udevLibrary->setFileNameAndVersion(QStringLiteral("udev"), 0);
++#endif
+             if (!udevLibrary->load()) {
+                 qWarning("Failed to load the library: %s, supported version(s): %i and %i", qPrintable(udevLibrary->fileName()), 1, 0);
+                 return false;
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qttools.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qttools.patch
new file mode 100644
index 000000000000..8ae12198ca25
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qttools.patch
@@ -0,0 +1,15 @@
+--- a/src/macdeployqt/shared/shared.cpp
++++ b/src/macdeployqt/shared/shared.cpp
+@@ -1241,6 +1241,12 @@ bool deployQmlImports(const QString &appBundlePath, DeploymentInfo deploymentInf
+     if (!QFile(qmlImportScannerPath).exists())
+         qmlImportScannerPath = QCoreApplication::applicationDirPath() + "/qmlimportscanner";
+ 
++#ifdef NIXPKGS_QMLIMPORTSCANNER
++    // Fallback: Nixpkgs hardcoded path
++    if (!QFile(qmlImportScannerPath).exists())
++        qmlImportScannerPath = NIXPKGS_QMLIMPORTSCANNER;
++#endif
++
+     // Verify that we found a qmlimportscanner binary
+     if (!QFile(qmlImportScannerPath).exists()) {
+         LogError() << "qmlimportscanner not found at" << qmlImportScannerPath;
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-CVE-2019-5786.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-CVE-2019-5786.patch
new file mode 100644
index 000000000000..ec9a432ea708
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-CVE-2019-5786.patch
@@ -0,0 +1,26 @@
+--- a/src/3rdparty/chromium/third_party/blink/renderer/core/fileapi/file_reader_loader.cc
++++ b/src/3rdparty/chromium/third_party/blink/renderer/core/fileapi/file_reader_loader.cc
+@@ -135,14 +135,16 @@
+   if (!raw_data_ || error_code_)
+     return nullptr;
+ 
+-  DOMArrayBuffer* result = DOMArrayBuffer::Create(raw_data_->ToArrayBuffer());
+-  if (finished_loading_) {
+-    array_buffer_result_ = result;
+-    AdjustReportedMemoryUsageToV8(
+-        -1 * static_cast<int64_t>(raw_data_->ByteLength()));
+-    raw_data_.reset();
++  if (!finished_loading_) {
++    return DOMArrayBuffer::Create(
++        ArrayBuffer::Create(raw_data_->Data(), raw_data_->ByteLength()));
+   }
+-  return result;
++  array_buffer_result_ = DOMArrayBuffer::Create(raw_data_->ToArrayBuffer());
++  AdjustReportedMemoryUsageToV8(-1 *
++                                static_cast<int64_t>(raw_data_->ByteLength()));
++
++  raw_data_.reset();
++  return array_buffer_result_;
+ }
+ 
+ String FileReaderLoader::StringResult() {
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-darwin-no-platform-check.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-darwin-no-platform-check.patch
new file mode 100644
index 000000000000..546e753144d0
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-darwin-no-platform-check.patch
@@ -0,0 +1,33 @@
+diff --git a/mkspecs/features/platform.prf b/mkspecs/features/platform.prf
+--- a/mkspecs/features/platform.prf
++++ b/mkspecs/features/platform.prf
+@@ -40,8 +40,6 @@ defineTest(isPlatformSupported) {
+   } else:osx {
+     # FIXME: Try to get it back down to 8.2 for building on OS X 10.11
+     !isMinXcodeVersion(8, 3, 3) {
+-      skipBuild("Using Xcode version $$QMAKE_XCODE_VERSION, but at least version 8.3.3 is required to build Qt WebEngine.")
+-      return(false)
+     }
+     !clang|intel_icc {
+         skipBuild("Qt WebEngine on macOS requires Clang.")
+@@ -54,8 +52,6 @@ defineTest(isPlatformSupported) {
+       return(false)
+     }
+     !isMinOSXSDKVersion(10, 12): {
+-      skipBuild("Building Qt WebEngine requires a macOS SDK version of 10.12 or newer. Current version is $${WEBENGINE_OSX_SDK_PRODUCT_VERSION}.")
+-      return(false)
+     }
+   } else {
+     skipBuild("Unknown platform. Qt WebEngine only supports Linux, Windows, and macOS.")
+diff --git a/src/core/config/mac_osx.pri b/src/core/config/mac_osx.pri
+--- a/src/core/config/mac_osx.pri
++++ b/src/core/config/mac_osx.pri
+@@ -5,8 +5,6 @@ load(functions)
+ # otherwise query for it.
+ QMAKE_MAC_SDK_VERSION = $$eval(QMAKE_MAC_SDK.$${QMAKE_MAC_SDK}.SDKVersion)
+ isEmpty(QMAKE_MAC_SDK_VERSION) {
+-     QMAKE_MAC_SDK_VERSION = $$system("/usr/bin/xcodebuild -sdk $${QMAKE_MAC_SDK} -version SDKVersion 2>/dev/null")
+-     isEmpty(QMAKE_MAC_SDK_VERSION): error("Could not resolve SDK version for \'$${QMAKE_MAC_SDK}\'")
+ }
+
+ QMAKE_CLANG_DIR = "/usr"
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-no-build-skip.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-no-build-skip.patch
new file mode 100644
index 000000000000..f332d5e1bb2b
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebengine-no-build-skip.patch
@@ -0,0 +1,12 @@
+diff --git a/qtwebengine.pro b/qtwebengine.pro
+--- a/qtwebengine.pro
++++ b/qtwebengine.pro
+@@ -5,7 +5,7 @@ runConfigure()
+ 
+ !isEmpty(skipBuildReason) {
+     SUBDIRS =
+-    log($${skipBuildReason}$${EOL})
++    error($${skipBuildReason}$${EOL})
+     log(QtWebEngine will not be built.$${EOL})
+ }
+ 
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit-darwin-no-qos-classes.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit-darwin-no-qos-classes.patch
new file mode 100644
index 000000000000..a7087f517623
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit-darwin-no-qos-classes.patch
@@ -0,0 +1,11 @@
+diff --git a/Source/cmake/OptionsQt.cmake b/Source/cmake/OptionsQt.cmake
+--- a/Source/cmake/OptionsQt.cmake
++++ b/Source/cmake/OptionsQt.cmake
+@@ -683,7 +683,6 @@ if (WIN32 AND COMPILER_IS_GCC_OR_CLANG)
+ endif ()
+ 
+ if (APPLE)
+-    SET_AND_EXPOSE_TO_BUILD(HAVE_QOS_CLASSES 1)
+ endif ()
+ 
+ if (ENABLE_MATHML)
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit-darwin-no-readline.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit-darwin-no-readline.patch
new file mode 100644
index 000000000000..26d189d86019
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit-darwin-no-readline.patch
@@ -0,0 +1,45 @@
+diff --git a/Source/JavaScriptCore/shell/CMakeLists.txt b/Source/JavaScriptCore/shell/CMakeLists.txt
+--- a/Source/JavaScriptCore/shell/CMakeLists.txt
++++ b/Source/JavaScriptCore/shell/CMakeLists.txt
+@@ -9,7 +9,6 @@ set(JSC_LIBRARIES
+ )
+ 
+ if (WTF_OS_MAC_OS_X)
+-    list(APPEND JSC_LIBRARIES edit)
+ endif ()
+ 
+ if ("${JavaScriptCore_LIBRARY_TYPE}" MATCHES "STATIC")
+diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
+--- a/Source/WTF/wtf/Platform.h
++++ b/Source/WTF/wtf/Platform.h
+@@ -563,7 +563,6 @@
+ #if PLATFORM(IOS)
+ 
+ #define HAVE_NETWORK_EXTENSION 1
+-#define HAVE_READLINE 1
+ #if USE(APPLE_INTERNAL_SDK)
+ #define USE_CFNETWORK 1
+ #endif
+@@ -650,7 +649,6 @@
+ #define HAVE_MADV_DONTNEED 1
+ #define HAVE_MERGESORT 1
+ #define HAVE_PTHREAD_SETNAME_NP 1
+-#define HAVE_READLINE 1
+ #define HAVE_SYS_TIMEB_H 1
+ 
+ #if !PLATFORM(GTK) && !PLATFORM(QT)
+diff --git a/Source/WTF/wtf/PlatformMac.cmake b/Source/WTF/wtf/PlatformMac.cmake
+--- a/Source/WTF/wtf/PlatformMac.cmake
++++ b/Source/WTF/wtf/PlatformMac.cmake
+@@ -2,11 +2,9 @@ set(WTF_LIBRARY_TYPE SHARED)
+ 
+ find_library(COCOA_LIBRARY Cocoa)
+ find_library(COREFOUNDATION_LIBRARY CoreFoundation)
+-find_library(READLINE_LIBRARY Readline)
+ list(APPEND WTF_LIBRARIES
+     ${COREFOUNDATION_LIBRARY}
+     ${COCOA_LIBRARY}
+-    ${READLINE_LIBRARY}
+     libicucore.dylib
+ )
+ 
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit.patch
new file mode 100644
index 000000000000..b94a4b76cbab
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/qtwebkit.patch
@@ -0,0 +1,12 @@
+diff --git a/Source/WebKit2/PlatformQt.cmake b/Source/WebKit2/PlatformQt.cmake
+--- a/Source/WebKit2/PlatformQt.cmake
++++ b/Source/WebKit2/PlatformQt.cmake
+@@ -261,6 +261,7 @@
+ list(APPEND WebKit2_SYSTEM_INCLUDE_DIRECTORIES
+     ${GLIB_INCLUDE_DIRS}
+     ${GSTREAMER_INCLUDE_DIRS}
++    ${GSTREAMER_PBUTILS_INCLUDE_DIRS}
+     ${Qt5Quick_INCLUDE_DIRS}
+     ${Qt5Quick_PRIVATE_INCLUDE_DIRS}
+     ${SQLITE_INCLUDE_DIR}
+
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.12/srcs.nix b/nixpkgs/pkgs/development/libraries/qt-5/5.12/srcs.nix
new file mode 100644
index 000000000000..d83edc97e94f
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.12/srcs.nix
@@ -0,0 +1,325 @@
+# DO NOT EDIT! This file is generated automatically by fetch-kde-qt.sh
+{ fetchurl, mirror }:
+
+{
+  qt3d = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qt3d-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1nii8qz8791ripmqd158qah40j2dj50zn7lmqksqz8gz2jfdqam1";
+      name = "qt3d-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtactiveqt = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtactiveqt-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0gkdx3mc6ysqlf0ci77kf9c961dc9sbi4j3z5q237d1w4js7ca52";
+      name = "qtactiveqt-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtandroidextras = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtandroidextras-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0s083ngvya8bknp0bvgb3hyk6zr8shg8rmkzn98956dqz0xs3agm";
+      name = "qtandroidextras-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtbase = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtbase-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1jzfx8c0hzch0kmz2m4vkn65s7ikiymnm29lsymil4hfg0fj40sy";
+      name = "qtbase-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtcanvas3d = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtcanvas3d-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0a61z5amp409aq9v7j0fyk003fbz2i247idl7lgfbl4qqh0ry6xj";
+      name = "qtcanvas3d-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtcharts = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtcharts-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0l6lrrwqbqaf6agsghaw4ysm2vb6b4n9j5lgrs1i0q8h9i51rmww";
+      name = "qtcharts-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtconnectivity = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtconnectivity-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1912a4my72wcqmmdyj24wkwq9p9ih4gzzzvgiq75pfwyhnxa3g4f";
+      name = "qtconnectivity-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtdatavis3d = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtdatavis3d-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0czlj088gf2r6w5ahh0p8n36lbwmds86mxqijshmhzax5cspxnjf";
+      name = "qtdatavis3d-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtdeclarative = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtdeclarative-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0yr29hm3bqlwxcmna0bzyxw8k4hw3x8k3k4iiw2sw52p5c85izag";
+      name = "qtdeclarative-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtdoc = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtdoc-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1k8caa1nmc9nrhb29vq1qzaz608klnjxy509w6ppxlzz2zbpcr9h";
+      name = "qtdoc-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtgamepad = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtgamepad-everywhere-src-5.12.0.tar.xz";
+      sha256 = "14b0np15gm5lzvip33pg6w9dfs065wwdfz18na28bhbxj6wh06ac";
+      name = "qtgamepad-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtgraphicaleffects = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtgraphicaleffects-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0m9l031zhw8il66ld8bj1lwqlc2xx89nl6dvssz1kl2d5nqqy1c1";
+      name = "qtgraphicaleffects-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtimageformats = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtimageformats-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0bkkk5skpplwfbqv7g41rhgynyxs3khvf8gk2rl2gdixdplpv42z";
+      name = "qtimageformats-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtlocation = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtlocation-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0ja4cwj59y1xhwwf4f5gzr0fdrrsxbh14g2x812n03x0yd6i78xh";
+      name = "qtlocation-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtmacextras = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtmacextras-everywhere-src-5.12.0.tar.xz";
+      sha256 = "00xhkj66i3srwmzzin1mcx9m94l5ns08f93c1za3wl23ani7n2nr";
+      name = "qtmacextras-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtmultimedia = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtmultimedia-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1a96x6c2w9rs6vfsdcnzmmad4w32dxy2dvismldcwmwcq2whqjsw";
+      name = "qtmultimedia-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtnetworkauth = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtnetworkauth-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0x877ra8375pf8d8p6hgdkyw8yzjqfca6rgki6vi1q8fyi31j4a1";
+      name = "qtnetworkauth-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtpurchasing = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtpurchasing-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1nk0dp247v1rfbnj84g99zsj6iv86pq32f478r92adz9qcgfs2yr";
+      name = "qtpurchasing-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtquickcontrols = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtquickcontrols-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0wyd24aphpixi3k9vbxw73z3dy1xnf8hwc99wimr5mpf1cj67yrb";
+      name = "qtquickcontrols-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtquickcontrols2 = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtquickcontrols2-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1ikxj32rd9pipnrz81l5ln700lnw8w6bx573w01x424sx0p7wxw9";
+      name = "qtquickcontrols2-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtremoteobjects = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtremoteobjects-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0pwx2m17yw1qqv8qigfndgj1yd5kq8w5cbiaqlw4zdk1m6jd0h09";
+      name = "qtremoteobjects-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtscript = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtscript-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1a7ziipvy8cfmrpw2b868167sw21zrqhfv2la0w9vs6hwli1mzlp";
+      name = "qtscript-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtscxml = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtscxml-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0syx3bx9pxxrsxanfv245ifppjhbj7sbrndh8il86xlrcr9cwvnw";
+      name = "qtscxml-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtsensors = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtsensors-everywhere-src-5.12.0.tar.xz";
+      sha256 = "19n5vlx0j5a0h86mpgs86qzsxbyq8fcrls7yqnjdaw0zga234cf5";
+      name = "qtsensors-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtserialbus = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtserialbus-everywhere-src-5.12.0.tar.xz";
+      sha256 = "16imi82v17n18a5m0i2fcfj6hqdpnzn2z9kdcf6a8h93fv4qd4kb";
+      name = "qtserialbus-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtserialport = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtserialport-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1fx9fm0418jq05j2hlb52lblq8nr4m0hj8sizi86p708jmb01m2r";
+      name = "qtserialport-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtspeech = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtspeech-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1yx4wahl7iaj6lgpvnw8pdi2q4wc2fkpzfidd3j1bc98wpna4f8r";
+      name = "qtspeech-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtsvg = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtsvg-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1kpvqd0p7dblgh26p3a99npqr0wmyg5yv0dcmf78ssrvsy58vrpb";
+      name = "qtsvg-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qttools = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qttools-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1hyschrj568h65m3kl35xqz25hpk61vr98r08375vkavdr5y6k2p";
+      name = "qttools-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qttranslations = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qttranslations-everywhere-src-5.12.0.tar.xz";
+      sha256 = "023m68vdjj75xnbpc1jflyg85amnjc9i6nwv650k0w4n1dp1hksv";
+      name = "qttranslations-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtvirtualkeyboard = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtvirtualkeyboard-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1nnns0i577zda6qxxd7pxcy06dq0y7lnni8ghn4adh9yl6dvi4yv";
+      name = "qtvirtualkeyboard-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtwayland = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtwayland-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1mvyv4wkcxj4h3q0mqw53zb1d0pahf8mz3r29kckadvk64djsp2m";
+      name = "qtwayland-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtwebchannel = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtwebchannel-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1w2b31d7xjzdcgwkb4mz3qrl9ci7c9l4c3v4h8y59isip45g66l5";
+      name = "qtwebchannel-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtwebengine = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtwebengine-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0z38ad25n7ckylxnmqrxy95ds4pn7i5k7qxh856zgq1h18wiwn5x";
+      name = "qtwebengine-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtwebglplugin = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtwebglplugin-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0bk5dg33kn2l5lmgd6slsrs9xg15x9h9li91lr1q7qs67b8kl8k5";
+      name = "qtwebglplugin-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtwebsockets = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtwebsockets-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0gzwfjnlgcijym5bn9gi93qlvzizrhf1q9dq06576419sg0s2ka4";
+      name = "qtwebsockets-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtwebview = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtwebview-everywhere-src-5.12.0.tar.xz";
+      sha256 = "11b16b31bxcazqzg1ag9rzh4gj9pif2cf3jz2mj1sdprxp22ra5p";
+      name = "qtwebview-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtwinextras = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtwinextras-everywhere-src-5.12.0.tar.xz";
+      sha256 = "1l6s140vrfxb9ar4p1dq9w2gfk3zvgrpqdxbbzs4ngfpwk6mlky6";
+      name = "qtwinextras-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtx11extras = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtx11extras-everywhere-src-5.12.0.tar.xz";
+      sha256 = "114b4akzpcgx57c6gkl558bl0mbasi34r22fmq3ny84dhvlv9m06";
+      name = "qtx11extras-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+  qtxmlpatterns = {
+    version = "5.12.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.12/5.12.0/submodules/qtxmlpatterns-everywhere-src-5.12.0.tar.xz";
+      sha256 = "0xckcw1j6f5l92c269pb8cx77d21sghp7m7dc05jl1dqmyy7jqpk";
+      name = "qtxmlpatterns-everywhere-src-5.12.0.tar.xz";
+    };
+  };
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.6/default.nix b/nixpkgs/pkgs/development/libraries/qt-5/5.6/default.nix
new file mode 100644
index 000000000000..d45b014b765e
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.6/default.nix
@@ -0,0 +1,193 @@
+/*
+
+# New packages
+
+READ THIS FIRST
+
+This module is for official packages in Qt 5. All available packages are listed
+in `./srcs.nix`, although a few are not yet packaged in Nixpkgs (see below).
+
+IF YOUR PACKAGE IS NOT LISTED IN `./srcs.nix`, IT DOES NOT GO HERE.
+
+Many of the packages released upstream are not yet built in Nixpkgs due to lack
+of demand. To add a Nixpkgs build for an upstream package, copy one of the
+existing packages here and modify it as necessary.
+
+# Updates
+
+1. Update the URL in `./fetch.sh`.
+2. Run `./maintainers/scripts/fetch-kde-qt.sh pkgs/development/libraries/qt-5/$VERSION/`
+   from the top of the Nixpkgs tree.
+3. Check that the new packages build correctly.
+4. Commit the changes and open a pull request.
+
+*/
+
+{
+  newScope,
+  stdenv, fetchurl, fetchpatch, makeSetupHook, makeWrapper,
+  bison, cups ? null, harfbuzz, libGL, perl,
+  gstreamer, gst-plugins-base,
+
+  # options
+  developerBuild ? false,
+  decryptSslTraffic ? false,
+  debug ? false,
+}:
+
+with stdenv.lib;
+
+let
+
+  qtCompatVersion = srcs.qtbase.version;
+
+  mirror = "http://download.qt.io";
+  srcs = import ./srcs.nix { inherit fetchurl; inherit mirror; };
+
+  patches = {
+    qtbase = [
+      ./qtbase.patch
+      ./qtbase-fixguicmake.patch
+      (fetchpatch {
+        name = "CVE-2018-15518.patch";
+        url = "https://codereview.qt-project.org/gitweb?p=qt/qtbase.git;a=patch;h=28a6e642af2ccb454dd019f551c2908753f76f08";
+        sha256 = "0nyssg7d0br7qgzp481f1w8b4p1bj2ggv9iyfrm1mng5v9fypdd7";
+      })
+      (fetchpatch {
+        name = "CVE-2018-19873.patch";
+        url = "https://codereview.qt-project.org/gitweb?p=qt/qtbase.git;a=patch;h=c9b9f663d7243988bcb5fee9180ea9cb3a321a86";
+        sha256 = "1q01cafy92c1j8cgrv4sk133mi3d48x8kbg3glbnnbijpc4k6di5";
+      })
+      (fetchpatch {
+        name = "CVE-2018-19870.patch";
+        url = "http://code.qt.io/cgit/qt/qtbase.git/patch/?id=ac0a910756f91726e03c0e6a89d213bdb4f48fec";
+        sha256 = "00qb9yqwvwnp202am3lqirkjxln1cj8v4wvmlyqya6hna176lj2l";
+      })
+    ];
+    qtdeclarative = [ ./qtdeclarative.patch ];
+    qtscript = [ ./qtscript.patch ];
+    qtserialport = [ ./qtserialport.patch ];
+    qttools = [ ./qttools.patch ];
+    qtwebengine = [ ./qtwebengine-seccomp.patch ];
+    qtwebkit = [ ./qtwebkit.patch ];
+    qtvirtualkeyboard = [
+      (fetchpatch {
+        name = "CVE-2018-19865-A.patch";
+        url = "https://codereview.qt-project.org/gitweb?p=qt/qtvirtualkeyboard.git;a=patch;h=c02115db1de1f3aba81e109043766d600f886522";
+        sha256 = "0ncnyl8f3ypi1kcb9z2i8j33snix111h28njrx8rb49ny01ap8x2";
+      })
+      (fetchpatch {
+        name = "CVE-2018-19865-B.patch";
+        url = "https://codereview.qt-project.org/gitweb?p=qt/qtvirtualkeyboard.git;a=patch;h=01fc537adc74d5e102c8cc93384cdf5cb08b4442";
+        sha256 = "19z8kxqf2lpjqr8189ingrpadch4niviw3p5v93zgx24v7950q27";
+      })
+      (fetchpatch {
+        name = "CVE-2018-19865-C.patch";
+        url = "https://codereview.qt-project.org/gitweb?p=qt/qtvirtualkeyboard.git;a=patch;h=993a21ba03534b172d5354405cc9d50a2a822e24";
+        sha256 = "1bipqxr9bvy8z402pv9kj2w1yzcsj1v03l09pg5jyg1xh6jbgiky";
+      })
+    ];
+    qtimageformats = [
+      (fetchpatch {
+        name = "CVE-2018-19871.patch";
+        url = "https://codereview.qt-project.org/gitweb?p=qt/qtimageformats.git;a=patch;h=9299ab07df61c56b70e047f1fe5f06b6ff541aa3";
+        sha256 = "0fd3mxdlc0s405j02bc0g72fvdfvpi31a837xfwf40m5j4jbyndr";
+      })
+    ];
+    qtsvg = [
+      (fetchpatch {
+        name = "CVE-2018-19869.patch";
+        url = "http://code.qt.io/cgit/qt/qtsvg.git/patch/?id=c5f1dd14098d1cc2cb52448fb44f53966d331443";
+        sha256 = "1kgyfsxw2f0qv5fx9y7wysjsvqikam0qc7wzhklf0406zz6rhxbl";
+      })
+    ];
+  };
+
+  qtModule =
+    import ../qtModule.nix
+    {
+      inherit perl;
+      inherit (stdenv) lib;
+      # Use a variant of mkDerivation that does not include wrapQtApplications
+      # to avoid cyclic dependencies between Qt modules.
+      mkDerivation =
+        import ../mkDerivation.nix
+        { inherit (stdenv) lib; inherit debug; wrapQtAppsHook = null; }
+        stdenv.mkDerivation;
+    }
+    { inherit self srcs patches; };
+
+  addPackages = self: with self;
+    let
+      callPackage = self.newScope { inherit qtCompatVersion qtModule srcs; };
+    in {
+
+      mkDerivationWith =
+        import ../mkDerivation.nix
+        { inherit (stdenv) lib; inherit debug; inherit (self) wrapQtAppsHook; };
+
+      mkDerivation = mkDerivationWith stdenv.mkDerivation;
+
+      qtbase = callPackage ../modules/qtbase.nix {
+        inherit bison cups harfbuzz libGL;
+        inherit (srcs.qtbase) src version;
+        patches = patches.qtbase;
+        inherit developerBuild decryptSslTraffic;
+      };
+
+      /* qt3d = not packaged */
+      /* qtactiveqt = not packaged */
+      /* qtandroidextras = not packaged */
+      /* qtcanvas3d = not packaged */
+      qtconnectivity = callPackage ../modules/qtconnectivity.nix {};
+      qtdeclarative = callPackage ../modules/qtdeclarative.nix {};
+      qtdoc = callPackage ../modules/qtdoc.nix {};
+      qtgraphicaleffects = callPackage ../modules/qtgraphicaleffects.nix {};
+      qtimageformats = callPackage ../modules/qtimageformats.nix {};
+      qtlocation = callPackage ../modules/qtlocation.nix {};
+      /* qtmacextras = not packaged */
+      qtmultimedia = callPackage ../modules/qtmultimedia.nix {
+        inherit gstreamer gst-plugins-base;
+      };
+      qtquick1 = null;
+      qtquickcontrols = callPackage ../modules/qtquickcontrols.nix {};
+      qtquickcontrols2 = callPackage ../modules/qtquickcontrols2.nix {};
+      qtscript = callPackage ../modules/qtscript.nix {};
+      qtsensors = callPackage ../modules/qtsensors.nix {};
+      qtserialport = callPackage ../modules/qtserialport.nix {};
+      qtsvg = callPackage ../modules/qtsvg.nix {};
+      qttools = callPackage ../modules/qttools.nix {};
+      qttranslations = callPackage ../modules/qttranslations.nix {};
+      qtwayland = callPackage ../modules/qtwayland.nix {};
+      qtwebchannel = callPackage ../modules/qtwebchannel.nix {};
+      qtwebengine = callPackage ../modules/qtwebengine.nix {};
+      qtwebkit = callPackage ../modules/qtwebkit.nix {};
+      qtwebsockets = callPackage ../modules/qtwebsockets.nix {};
+      /* qtwinextras = not packaged */
+      qtx11extras = callPackage ../modules/qtx11extras.nix {};
+      qtxmlpatterns = callPackage ../modules/qtxmlpatterns.nix {};
+      qtvirtualkeyboard = callPackage ../modules/qtvirtualkeyboard.nix {};
+
+      env = callPackage ../qt-env.nix {};
+      full = env "qt-full-${qtbase.version}" [
+        qtconnectivity qtdeclarative qtdoc qtgraphicaleffects qtimageformats
+        qtlocation qtmultimedia qtquickcontrols qtquickcontrols2 qtscript
+        qtsensors qtserialport qtsvg qttools qttranslations qtwayland
+        qtwebchannel qtwebengine qtwebkit qtwebsockets qtx11extras qtxmlpatterns
+      ];
+
+      qmake = makeSetupHook {
+        deps = [ self.qtbase.dev ];
+        substitutions = { inherit (stdenv) isDarwin; };
+      } ../hooks/qmake-hook.sh;
+
+      wrapQtAppsHook = makeSetupHook {
+        deps =
+          [ self.qtbase.dev makeWrapper ]
+          ++ optional stdenv.isLinux self.qtwayland.dev;
+      } ../hooks/wrap-qt-apps-hook.sh;
+    };
+
+   self = makeScope newScope addPackages;
+
+in self
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.6/fetch.sh b/nixpkgs/pkgs/development/libraries/qt-5/5.6/fetch.sh
new file mode 100644
index 000000000000..bb9eb66a01dc
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.6/fetch.sh
@@ -0,0 +1,2 @@
+WGET_ARGS=( http://download.qt.io/official_releases/qt/5.6/5.6.3/submodules/ \
+            http://download.qt.io/community_releases/5.6/5.6.3/ )
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtbase-fixguicmake.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtbase-fixguicmake.patch
new file mode 100644
index 000000000000..8b46d432812a
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtbase-fixguicmake.patch
@@ -0,0 +1,30 @@
+diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+index 0bbc871..3673634 100644
+--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+@@ -286,7 +286,7 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+     macro(_populate_$${CMAKE_MODULE_NAME}_plugin_properties Plugin Configuration PLUGIN_LOCATION)
+         set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-        set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
++        set(imported_location \"${PLUGIN_LOCATION}\")
+         _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+         set_target_properties(Qt5::${Plugin} PROPERTIES
+             \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff --git a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+index 5baf0fd..3583745 100644
+--- a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+@@ -2,10 +2,10 @@
+ add_library(Qt5::$$CMAKE_PLUGIN_NAME MODULE IMPORTED)
+ 
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_LOCATION_RELEASE}\")
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_RELEASE}\")
+ !!ENDIF
+ !!IF !isEmpty(CMAKE_DEBUG_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_LOCATION_DEBUG}\")
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_DEBUG}\")
+ !!ENDIF
+ 
+ list(APPEND Qt5$${CMAKE_MODULE_NAME}_PLUGINS Qt5::$$CMAKE_PLUGIN_NAME)
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtbase.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtbase.patch
new file mode 100644
index 000000000000..d8322cbc1997
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtbase.patch
@@ -0,0 +1,795 @@
+diff --git a/mkspecs/features/create_cmake.prf b/mkspecs/features/create_cmake.prf
+index 11fb52a0b1..614fdbb046 100644
+--- a/mkspecs/features/create_cmake.prf
++++ b/mkspecs/features/create_cmake.prf
+@@ -21,7 +21,7 @@ load(cmake_functions)
+ # at cmake time whether package has been found via a symlink, and correct
+ # that to an absolute path. This is only done for installations to
+ # the /usr or / prefix.
+-CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$[QT_INSTALL_LIBS])
++CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$NIX_OUTPUT_OUT/lib/)
+ contains(CMAKE_INSTALL_LIBS_DIR, ^(/usr)?/lib(64)?.*): CMAKE_USR_MOVE_WORKAROUND = $$CMAKE_INSTALL_LIBS_DIR
+ 
+ CMAKE_OUT_DIR = $$MODULE_BASE_OUTDIR/lib/cmake
+@@ -47,47 +47,22 @@ split_incpath {
+         $$cmake_extra_source_includes.output
+ }
+ 
+-CMAKE_INCLUDE_DIR = $$cmakeRelativePath($$[QT_INSTALL_HEADERS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_INCLUDE_DIR, "^\\.\\./.*") {
+-    CMAKE_INCLUDE_DIR = $$[QT_INSTALL_HEADERS]/
+-    CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_INCLUDE_DIR = $$NIX_OUTPUT_DEV/include/
++CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+ 
+ !exists($$first(QT.$${MODULE}_private.includes)): CMAKE_NO_PRIVATE_INCLUDES = true
+ 
+-CMAKE_LIB_DIR = $$cmakeRelativePath($$[QT_INSTALL_LIBS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_LIB_DIR,"^\\.\\./.*") {
+-    CMAKE_LIB_DIR = $$[QT_INSTALL_LIBS]/
+-    CMAKE_LIB_DIR_IS_ABSOLUTE = True
+-} else {
+-    CMAKE_RELATIVE_INSTALL_LIBS_DIR = $$cmakeRelativePath($$[QT_INSTALL_PREFIX], $$[QT_INSTALL_LIBS])
+-    # We need to go up another two levels because the CMake files are
+-    # installed in $${CMAKE_LIB_DIR}/cmake/Qt5$${CMAKE_MODULE_NAME}
+-    CMAKE_RELATIVE_INSTALL_DIR = "$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}../../"
+-}
++CMAKE_LIB_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_LIB_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_BIN_DIR = $$cmakeRelativePath($$[QT_HOST_BINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_BIN_DIR, "^\\.\\./.*") {
+-    CMAKE_BIN_DIR = $$[QT_HOST_BINS]/
+-    CMAKE_BIN_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_BIN_DIR = $$NIX_OUTPUT_BIN/bin/
++CMAKE_BIN_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_PLUGIN_DIR = $$cmakeRelativePath($$[QT_INSTALL_PLUGINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_PLUGIN_DIR, "^\\.\\./.*") {
+-    CMAKE_PLUGIN_DIR = $$[QT_INSTALL_PLUGINS]/
+-    CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_PLUGIN_DIR = $$NIX_OUTPUT_PLUGIN/
++CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
+ 
+-win32:!wince:!static:!staticlib {
+-    CMAKE_DLL_DIR = $$cmakeRelativePath($$[QT_INSTALL_BINS], $$[QT_INSTALL_PREFIX])
+-    contains(CMAKE_DLL_DIR, "^\\.\\./.*") {
+-        CMAKE_DLL_DIR = $$[QT_INSTALL_BINS]/
+-        CMAKE_DLL_DIR_IS_ABSOLUTE = True
+-    }
+-} else {
+-    CMAKE_DLL_DIR = $$CMAKE_LIB_DIR
+-    CMAKE_DLL_DIR_IS_ABSOLUTE = $$CMAKE_LIB_DIR_IS_ABSOLUTE
+-}
++CMAKE_DLL_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_DLL_DIR_IS_ABSOLUTE = True
+ 
+ static|staticlib:CMAKE_STATIC_TYPE = true
+ 
+@@ -167,7 +142,7 @@ contains(CONFIG, plugin) {
+       cmake_target_file
+ 
+     cmake_qt5_plugin_file.files = $$cmake_target_file.output
+-    cmake_qt5_plugin_file.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++    cmake_qt5_plugin_file.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+     INSTALLS += cmake_qt5_plugin_file
+ 
+     return()
+@@ -314,7 +289,7 @@ exists($$cmake_macros_file.input) {
+     cmake_qt5_module_files.files += $$cmake_macros_file.output
+ }
+ 
+-cmake_qt5_module_files.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++cmake_qt5_module_files.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+ 
+ # We are generating cmake files. Most developers of Qt are not aware of cmake,
+ # so we require automatic tests to be available. The only module which should
+diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+index d2358cae4b..61d8cc0471 100644
+--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+@@ -9,30 +9,6 @@ if (CMAKE_VERSION VERSION_LESS 3.0.0)
+ endif()
+ !!ENDIF
+ 
+-!!IF !isEmpty(CMAKE_USR_MOVE_WORKAROUND)
+-!!IF !isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ELSE
+-get_filename_component(_IMPORT_PREFIX \"${CMAKE_CURRENT_LIST_FILE}\" PATH)
+-# Use original install prefix when loaded through a
+-# cross-prefix symbolic link such as /lib -> /usr/lib.
+-get_filename_component(_realCurr \"${_IMPORT_PREFIX}\" REALPATH)
+-get_filename_component(_realOrig \"$$CMAKE_INSTALL_LIBS_DIR/cmake/Qt5$${CMAKE_MODULE_NAME}\" REALPATH)
+-if(_realCurr STREQUAL _realOrig)
+-    get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$CMAKE_INSTALL_LIBS_DIR/$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}\" ABSOLUTE)
+-else()
+-    get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-endif()
+-unset(_realOrig)
+-unset(_realCurr)
+-unset(_IMPORT_PREFIX)
+-!!ENDIF
+-!!ELIF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-!!ELSE
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ENDIF
+-
+ !!IF !equals(TEMPLATE, aux)
+ # For backwards compatibility only. Use Qt5$${CMAKE_MODULE_NAME}_VERSION instead.
+ set(Qt5$${CMAKE_MODULE_NAME}_VERSION_STRING "$$eval(QT.$${MODULE}.MAJOR_VERSION).$$eval(QT.$${MODULE}.MINOR_VERSION).$$eval(QT.$${MODULE}.PATCH_VERSION)")
+@@ -58,11 +34,7 @@ endmacro()
+ macro(_populate_$${CMAKE_MODULE_NAME}_target_properties Configuration LIB_LOCATION IMPLIB_LOCATION)
+     set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ENDIF
+     _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+     set_target_properties(Qt5::$${CMAKE_MODULE_NAME} PROPERTIES
+         \"INTERFACE_LINK_LIBRARIES\" \"${_Qt5$${CMAKE_MODULE_NAME}_LIB_DEPENDENCIES}\"
+@@ -75,11 +47,7 @@ macro(_populate_$${CMAKE_MODULE_NAME}_target_properties Configuration LIB_LOCATI
+     )
+ 
+ !!IF !isEmpty(CMAKE_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_implib \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ELSE
+     set(imported_implib \"IMPORTED_IMPLIB_${Configuration}\" \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ENDIF
+     _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_implib})
+     if(NOT \"${IMPLIB_LOCATION}\" STREQUAL \"\")
+         set_target_properties(Qt5::$${CMAKE_MODULE_NAME} PROPERTIES
+@@ -95,24 +63,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !no_module_headers
+ !!IF !isEmpty(CMAKE_BUILD_IS_FRAMEWORK)
+     set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS
+-      \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework\"
+-      \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Headers\"
++      \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework\"
++      \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Headers\"
+     )
+ !!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/\"
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+-    )
+-!!ELSE
+-    set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+-!!ENDIF
+-!!ELSE
+-!!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+-    set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR\" \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}\")
+-!!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+-    set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION\"
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION/$${MODULE_INCNAME}\"
++        \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/\"
++        \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+     )
+ !!ELSE
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+@@ -128,7 +85,6 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+ !!ENDIF
+ !!ENDIF
+-!!ENDIF
+ !!IF !isEmpty(CMAKE_ADD_SOURCE_INCLUDE_DIRS)
+     include(\"${CMAKE_CURRENT_LIST_DIR}/ExtraSourceIncludes.cmake\" OPTIONAL)
+ !!ENDIF
+@@ -254,25 +210,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_DEBUG_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+     if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" \"\" )
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+     if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ELSE
+         \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ENDIF
+       AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE
+         \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+     endif()
+@@ -291,25 +235,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_RELEASE_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+     if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" \"\" )
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+     if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ELSE
+         \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ENDIF
+       AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE
+         \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+     endif()
+@@ -328,11 +260,7 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+     macro(_populate_$${CMAKE_MODULE_NAME}_plugin_properties Plugin Configuration PLUGIN_LOCATION)
+         set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-!!IF isEmpty(CMAKE_PLUGIN_DIR_IS_ABSOLUTE)
+-        set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ELSE
+         set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ENDIF
+         _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+         set_target_properties(Qt5::${Plugin} PROPERTIES
+             \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff --git a/mkspecs/features/qml_module.prf b/mkspecs/features/qml_module.prf
+index 47ebe78400..25aa2b93e7 100644
+--- a/mkspecs/features/qml_module.prf
++++ b/mkspecs/features/qml_module.prf
+@@ -17,10 +17,7 @@ fq_qml_files = $$_PRO_FILE_PWD_/qmldir
+ 
+ for(qmlf, QML_FILES): fq_qml_files += $$absolute_path($$qmlf, $$_PRO_FILE_PWD_)
+ 
+-qml1_target: \
+-    instbase = $$[QT_INSTALL_IMPORTS]
+-else: \
+-    instbase = $$[QT_INSTALL_QML]
++instbase = $$NIX_OUTPUT_QML
+ 
+ # Install rules
+ qmldir.base = $$_PRO_FILE_PWD_
+diff --git a/mkspecs/features/qml_plugin.prf b/mkspecs/features/qml_plugin.prf
+index ebec1db8da..62ace84a6c 100644
+--- a/mkspecs/features/qml_plugin.prf
++++ b/mkspecs/features/qml_plugin.prf
+@@ -46,13 +46,8 @@ exists($$QMLTYPEFILE): QML_FILES += $$QMLTYPEFILE
+ 
+ load(qt_build_paths)
+ 
+-qml1_target {
+-    DESTDIR = $$MODULE_BASE_OUTDIR/imports/$$TARGETPATH
+-    instbase = $$[QT_INSTALL_IMPORTS]
+-} else {
+-    DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
+-    instbase = $$[QT_INSTALL_QML]
+-}
++DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
++instbase = $$NIX_OUTPUT_QML
+ 
+ target.path = $$instbase/$$TARGETPATH
+ INSTALLS += target
+diff --git a/mkspecs/features/qt_app.prf b/mkspecs/features/qt_app.prf
+index 46aca50cc2..4f4e634724 100644
+--- a/mkspecs/features/qt_app.prf
++++ b/mkspecs/features/qt_app.prf
+@@ -29,7 +29,7 @@ host_build:force_bootstrap {
+     target.path = $$[QT_HOST_BINS]
+ } else {
+     !build_pass:contains(QT_CONFIG, debug_and_release): CONFIG += release
+-    target.path = $$[QT_INSTALL_BINS]
++    target.path = $$NIX_OUTPUT_BIN/bin
+     CONFIG += relative_qt_rpath  # Qt's tools and apps should be relocatable
+ }
+ INSTALLS += target
+diff --git a/mkspecs/features/qt_build_paths.prf b/mkspecs/features/qt_build_paths.prf
+index 1848f00e90..2af93675c5 100644
+--- a/mkspecs/features/qt_build_paths.prf
++++ b/mkspecs/features/qt_build_paths.prf
+@@ -23,6 +23,6 @@ exists($$MODULE_BASE_INDIR/.git): \
+ !force_independent {
+     # If the module is not built independently, everything ends up in qtbase.
+     # This is the case in non-prefix builds, except for selected modules.
+-    MODULE_BASE_OUTDIR = $$[QT_HOST_PREFIX]
+-    MODULE_QMAKE_OUTDIR = $$[QT_HOST_PREFIX]
++    MODULE_BASE_OUTDIR = $$NIX_OUTPUT_OUT
++    MODULE_QMAKE_OUTDIR = $$NIX_OUTPUT_OUT
+ }
+diff --git a/mkspecs/features/qt_common.prf b/mkspecs/features/qt_common.prf
+index 08b3f3e5af..5ffeafd9d8 100644
+--- a/mkspecs/features/qt_common.prf
++++ b/mkspecs/features/qt_common.prf
+@@ -30,8 +30,8 @@ contains(TEMPLATE, .*lib) {
+         qqt_libdir = \$\$\$\$[QT_HOST_LIBS]
+         qt_libdir = $$[QT_HOST_LIBS]
+     } else {
+-        qqt_libdir = \$\$\$\$[QT_INSTALL_LIBS]
+-        qt_libdir = $$[QT_INSTALL_LIBS]
++        qqt_libdir = \$\$\$\$NIX_OUTPUT_OUT/lib
++        qt_libdir = $$NIX_OUTPUT_OUT/lib
+     }
+     contains(QMAKE_DEFAULT_LIBDIRS, $$qt_libdir) {
+         lib_replace.match = "[^ ']*$$rplbase/lib"
+diff --git a/mkspecs/features/qt_docs.prf b/mkspecs/features/qt_docs.prf
+index 183d0c9502..17982b04ec 100644
+--- a/mkspecs/features/qt_docs.prf
++++ b/mkspecs/features/qt_docs.prf
+@@ -41,7 +41,7 @@ QMAKE_DOCS_OUTPUTDIR = $$QMAKE_DOCS_BASE_OUTDIR/$$QMAKE_DOCS_TARGETDIR
+ 
+ QDOC += -outputdir $$shell_quote($$QMAKE_DOCS_OUTPUTDIR)
+ !build_online_docs: \
+-    QDOC += -installdir $$shell_quote($$[QT_INSTALL_DOCS])
++    QDOC += -installdir $$shell_quote($$NIX_OUTPUT_DOC)
+ PREP_DOC_INDEXES =
+ DOC_INDEXES =
+ !isEmpty(QTREPOS) {
+@@ -60,8 +60,8 @@ DOC_INDEXES =
+         DOC_INDEXES += -indexdir $$shell_quote($$qrep/doc)
+ } else {
+     prepare_docs: \
+-        PREP_DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
+-    DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
++        PREP_DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
++    DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
+ }
+ doc_command = $$QDOC $$QMAKE_DOCS
+ prepare_docs {
+@@ -75,12 +75,12 @@ prepare_docs {
+     qch_docs.commands = $$QHELPGENERATOR $$shell_quote($$QMAKE_DOCS_OUTPUTDIR/$${QMAKE_DOCS_TARGET}.qhp) -o $$shell_quote($$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch)
+ 
+     inst_html_docs.files = $$QMAKE_DOCS_OUTPUTDIR
+-    inst_html_docs.path = $$[QT_INSTALL_DOCS]
++    inst_html_docs.path = $$NIX_OUTPUT_DOC
+     inst_html_docs.CONFIG += no_check_exist directory no_default_install no_build
+     INSTALLS += inst_html_docs
+ 
+     inst_qch_docs.files = $$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch
+-    inst_qch_docs.path = $$[QT_INSTALL_DOCS]
++    inst_qch_docs.path = $$NIX_OUTPUT_DOC
+     inst_qch_docs.CONFIG += no_check_exist no_default_install no_build
+     INSTALLS += inst_qch_docs
+ 
+diff --git a/mkspecs/features/qt_example_installs.prf b/mkspecs/features/qt_example_installs.prf
+index 4c68cfd72f..f422f18266 100644
+--- a/mkspecs/features/qt_example_installs.prf
++++ b/mkspecs/features/qt_example_installs.prf
+@@ -70,7 +70,7 @@ probase = $$relative_path($$_PRO_FILE_PWD_, $$dirname(_QMAKE_CONF_)/examples)
+         $$SOURCES $$HEADERS $$FORMS $$RESOURCES $$TRANSLATIONS \
+         $$DBUS_ADAPTORS $$DBUS_INTERFACES
+     addInstallFiles(sources.files, $$sourcefiles)
+-    sources.path = $$[QT_INSTALL_EXAMPLES]/$$probase
++    sources.path = $$NIX_OUTPUT_DEV/share/examples/$$probase
+     INSTALLS += sources
+ 
+     check_examples {
+diff --git a/mkspecs/features/qt_functions.prf b/mkspecs/features/qt_functions.prf
+index 4a1d265a8b..d346424b5b 100644
+--- a/mkspecs/features/qt_functions.prf
++++ b/mkspecs/features/qt_functions.prf
+@@ -70,7 +70,7 @@ defineTest(qtHaveModule) {
+ defineTest(qtPrepareTool) {
+     cmd = $$eval(QT_TOOL.$${2}.binary)
+     isEmpty(cmd) {
+-        cmd = $$[QT_HOST_BINS]/$$2
++        cmd = $$system("command -v $$2")
+         exists($${cmd}.pl) {
+             cmd = perl -w $$system_path($${cmd}.pl)
+         } else: contains(QMAKE_HOST.os, Windows) {
+diff --git a/mkspecs/features/qt_installs.prf b/mkspecs/features/qt_installs.prf
+index 3a5dbb6274..24f321bd82 100644
+--- a/mkspecs/features/qt_installs.prf
++++ b/mkspecs/features/qt_installs.prf
+@@ -12,16 +12,10 @@
+ #library
+ !qt_no_install_library {
+     win32 {
+-       host_build: \
+-           dlltarget.path = $$[QT_HOST_BINS]
+-       else: \
+-           dlltarget.path = $$[QT_INSTALL_BINS]
++        dlltarget.path = $$NIX_OUTPUT_BIN/bin
+        INSTALLS += dlltarget
+     }
+-    host_build: \
+-        target.path = $$[QT_HOST_LIBS]
+-    else: \
+-        target.path = $$[QT_INSTALL_LIBS]
++    target.path = $$NIX_OUTPUT_OUT/lib
+     !static: target.CONFIG = no_dll
+     INSTALLS += target
+ }
+@@ -29,33 +23,33 @@
+ #headers
+ qt_install_headers {
+     class_headers.files = $$SYNCQT.HEADER_CLASSES
+-    class_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++    class_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+     INSTALLS += class_headers
+ 
+     targ_headers.files = $$SYNCQT.HEADER_FILES
+-    targ_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++    targ_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+     INSTALLS += targ_headers
+ 
+     private_headers.files = $$SYNCQT.PRIVATE_HEADER_FILES
+-    private_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
++    private_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
+     INSTALLS += private_headers
+ 
+     qpa_headers.files = $$SYNCQT.QPA_HEADER_FILES
+-    qpa_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
++    qpa_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
+     INSTALLS += qpa_headers
+ }
+ 
+ #module
+ qt_install_module {
+     !isEmpty(MODULE_PRI) {
+-        pritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++        pritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+         pritarget.files = $$MODULE_PRI
+         INSTALLS += pritarget
+     } else: isEmpty(MODULE_PRIVATE_PRI) {
+         warning("Project $$basename(_PRO_FILE_) is a module, but has not defined MODULE_PRI, which is required for Qt to expose the module to other projects.")
+     }
+     !isEmpty(MODULE_PRIVATE_PRI) {
+-        privpritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++        privpritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+         privpritarget.files = $$MODULE_PRIVATE_PRI
+         INSTALLS += privpritarget
+     }
+diff --git a/mkspecs/features/qt_plugin.prf b/mkspecs/features/qt_plugin.prf
+index 3cf6c7349c..83e68025a5 100644
+--- a/mkspecs/features/qt_plugin.prf
++++ b/mkspecs/features/qt_plugin.prf
+@@ -82,7 +82,7 @@ CONFIG(static, static|shared)|prefix_build {
+     }
+ }
+ 
+-target.path = $$[QT_INSTALL_PLUGINS]/$$PLUGIN_TYPE
++target.path = $$NIX_OUTPUT_PLUGIN/$$PLUGIN_TYPE
+ INSTALLS += target
+ 
+ TARGET = $$qt5LibraryTarget($$TARGET)
+diff --git a/src/corelib/Qt5CoreConfigExtras.cmake.in b/src/corelib/Qt5CoreConfigExtras.cmake.in
+index 91a4eb619a..08b533e69c 100644
+--- a/src/corelib/Qt5CoreConfigExtras.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtras.cmake.in
+@@ -3,7 +3,7 @@ if (NOT TARGET Qt5::qmake)
+     add_executable(Qt5::qmake IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -18,7 +18,7 @@ if (NOT TARGET Qt5::moc)
+     add_executable(Qt5::moc IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -35,7 +35,7 @@ if (NOT TARGET Qt5::rcc)
+     add_executable(Qt5::rcc IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -131,7 +131,7 @@ if (NOT TARGET Qt5::WinMain)
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+     set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ENDIF
+@@ -145,7 +145,7 @@ if (NOT TARGET Qt5::WinMain)
+     set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+ 
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ENDIF
+diff --git a/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in b/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
+index c357237d0e..6f0c75de3c 100644
+--- a/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
+@@ -1,6 +1,6 @@
+ 
+ !!IF isEmpty(CMAKE_HOST_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_HOST_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff --git a/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in b/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
+index 706304cf34..546420f6ad 100644
+--- a/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
+@@ -1,6 +1,6 @@
+ 
+ !!IF isEmpty(CMAKE_INSTALL_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_INSTALL_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
+index bd3c12ce97..a796775970 100644
+--- a/src/corelib/kernel/qcoreapplication.cpp
++++ b/src/corelib/kernel/qcoreapplication.cpp
+@@ -2533,6 +2533,15 @@ QStringList QCoreApplication::libraryPaths()
+         QStringList *app_libpaths = new QStringList;
+         coreappdata()->app_libpaths.reset(app_libpaths);
+ 
++        // Add library paths derived from PATH
++        const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(':');
++        const QString plugindir = QStringLiteral("../" NIXPKGS_QT_PLUGIN_PREFIX);
++        for (const QString &path: paths) {
++            if (!path.isEmpty()) {
++                app_libpaths->append(QDir::cleanPath(path + QDir::separator() + plugindir));
++            }
++        }
++
+         const QByteArray libPathEnv = qgetenv("QT_PLUGIN_PATH");
+         if (!libPathEnv.isEmpty()) {
+             QStringList paths = QFile::decodeName(libPathEnv).split(QDir::listSeparator(), QString::SkipEmptyParts);
+diff --git a/src/corelib/tools/qtimezoneprivate_tz.cpp b/src/corelib/tools/qtimezoneprivate_tz.cpp
+index c13c9a5223..6936851511 100644
+--- a/src/corelib/tools/qtimezoneprivate_tz.cpp
++++ b/src/corelib/tools/qtimezoneprivate_tz.cpp
+@@ -64,7 +64,11 @@ typedef QHash<QByteArray, QTzTimeZone> QTzTimeZoneHash;
+ // Parse zone.tab table, assume lists all installed zones, if not will need to read directories
+ static QTzTimeZoneHash loadTzTimeZones()
+ {
+-    QString path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
++    // Try TZDIR first, in case we're running on NixOS.
++    QString path = QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/zone.tab");
++    // Fallback to traditional paths in case we are not on NixOS.
++    if (!QFile::exists(path))
++        path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
+     if (!QFile::exists(path))
+         path = QStringLiteral("/usr/lib/zoneinfo/zone.tab");
+ 
+@@ -636,12 +640,16 @@ void QTzTimeZonePrivate::init(const QByteArray &ianaId)
+         if (!tzif.open(QIODevice::ReadOnly))
+             return;
+     } else {
+-        // Open named tz, try modern path first, if fails try legacy path
+-        tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++        // Try TZDIR first, in case we're running on NixOS
++        tzif.setFileName(QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/") + QString::fromLocal8Bit(ianaId));
+         if (!tzif.open(QIODevice::ReadOnly)) {
+-            tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
+-            if (!tzif.open(QIODevice::ReadOnly))
+-                return;
++            // Open named tz, try modern path first, if fails try legacy path
++            tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++            if (!tzif.open(QIODevice::ReadOnly)) {
++                tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++                if (!tzif.open(QIODevice::ReadOnly))
++                    return;
++            }
+         }
+     }
+ 
+diff --git a/src/dbus/Qt5DBusConfigExtras.cmake.in b/src/dbus/Qt5DBusConfigExtras.cmake.in
+index 1d947159e2..b36865fc48 100644
+--- a/src/dbus/Qt5DBusConfigExtras.cmake.in
++++ b/src/dbus/Qt5DBusConfigExtras.cmake.in
+@@ -2,11 +2,7 @@
+ if (NOT TARGET Qt5::qdbuscpp2xml)
+     add_executable(Qt5::qdbuscpp2xml IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+-    set(imported_location \"$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+     _qt5_DBus_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qdbuscpp2xml PROPERTIES
+@@ -17,11 +13,7 @@ endif()
+ if (NOT TARGET Qt5::qdbusxml2cpp)
+     add_executable(Qt5::qdbusxml2cpp IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+-    set(imported_location \"$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+     _qt5_DBus_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qdbusxml2cpp PROPERTIES
+diff --git a/src/gui/Qt5GuiConfigExtras.cmake.in b/src/gui/Qt5GuiConfigExtras.cmake.in
+index 07869efd7d..fb4183bada 100644
+--- a/src/gui/Qt5GuiConfigExtras.cmake.in
++++ b/src/gui/Qt5GuiConfigExtras.cmake.in
+@@ -2,7 +2,7 @@
+ !!IF !isEmpty(CMAKE_ANGLE_EGL_DLL_RELEASE)
+ 
+ !!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+-set(Qt5Gui_EGL_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR/QtANGLE\")
++set(Qt5Gui_EGL_INCLUDE_DIRS \"$$NIX_OUTPUT_DEV/$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ELSE
+ set(Qt5Gui_EGL_INCLUDE_DIRS \"$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ENDIF
+@@ -17,13 +17,13 @@ macro(_populate_qt5gui_gl_target_properties TargetName Configuration LIB_LOCATIO
+     set_property(TARGET Qt5::${TargetName} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+ !!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Gui_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
++    set(imported_location \"$$NIX_OUTPUT_OUT/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ENDIF
+ 
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_implib \"${_qt5Gui_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
++    set(imported_implib \"$$NIX_OUTPUT_OUT/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ELSE
+     set(imported_implib \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ENDIF
+diff --git a/src/network/kernel/qdnslookup_unix.cpp b/src/network/kernel/qdnslookup_unix.cpp
+index 584f0b0f0e..24d80063f2 100644
+--- a/src/network/kernel/qdnslookup_unix.cpp
++++ b/src/network/kernel/qdnslookup_unix.cpp
+@@ -83,7 +83,7 @@ static bool resolveLibraryInternal()
+     if (!lib.load())
+ #endif
+     {
+-        lib.setFileName(QLatin1String("resolv"));
++        lib.setFileName(QLatin1String(NIXPKGS_LIBRESOLV));
+         if (!lib.load())
+             return false;
+     }
+diff --git a/src/network/kernel/qhostinfo_unix.cpp b/src/network/kernel/qhostinfo_unix.cpp
+index dabf1913cc..53bb867e07 100644
+--- a/src/network/kernel/qhostinfo_unix.cpp
++++ b/src/network/kernel/qhostinfo_unix.cpp
+@@ -94,7 +94,7 @@ static bool resolveLibraryInternal()
+     if (!lib.load())
+ #endif
+     {
+-        lib.setFileName(QLatin1String("resolv"));
++        lib.setFileName(QLatin1String(NIXPKGS_LIBRESOLV));
+         if (!lib.load())
+             return false;
+     }
+diff --git a/src/network/ssl/qsslcontext_openssl.cpp b/src/network/ssl/qsslcontext_openssl.cpp
+index 68caaeb6dc..fef4a81474 100644
+--- a/src/network/ssl/qsslcontext_openssl.cpp
++++ b/src/network/ssl/qsslcontext_openssl.cpp
+@@ -340,7 +340,7 @@ init_context:
+ 
+     const QVector<QSslEllipticCurve> qcurves = sslContext->sslConfiguration.ellipticCurves();
+     if (!qcurves.isEmpty()) {
+-#if OPENSSL_VERSION_NUMBER >= 0x10002000L && !defined(OPENSSL_NO_EC)
++#if OPENSSL_VERSION_NUMBER >= 0x10002000L && defined(SSL_CTRL_SET_CURVES) && !defined(OPENSSL_NO_EC)
+         // Set the curves to be used
+         if (q_SSLeay() >= 0x10002000L) {
+             // SSL_CTX_ctrl wants a non-const pointer as last argument,
+@@ -354,7 +354,7 @@ init_context:
+                 return sslContext;
+             }
+         } else
+-#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L && !defined(OPENSSL_NO_EC)
++#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L && defined(SSL_CTRL_SET_CURVES) && !defined(OPENSSL_NO_EC)
+         {
+             // specific curves requested, but not possible to set -> error
+             sslContext->errorStr = msgErrorSettingEllipticCurves(QSslSocket::tr("OpenSSL version too old, need at least v1.0.2"));
+diff --git a/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp b/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp
+index 338c7ca3be..dd52114bac 100644
+--- a/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp
++++ b/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp
+@@ -251,12 +251,9 @@ void TableGenerator::initPossibleLocations()
+     // the QTCOMPOSE environment variable
+     if (qEnvironmentVariableIsSet("QTCOMPOSE"))
+         m_possibleLocations.append(QString::fromLocal8Bit(qgetenv("QTCOMPOSE")));
+-    m_possibleLocations.append(QStringLiteral("/usr/share/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/local/share/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/lib/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/local/lib/X11/locale"));
+     m_possibleLocations.append(QStringLiteral(X11_PREFIX "/share/X11/locale"));
+     m_possibleLocations.append(QStringLiteral(X11_PREFIX "/lib/X11/locale"));
++    m_possibleLocations.append(QLatin1String(NIXPKGS_QTCOMPOSE));
+ }
+ 
+ QString TableGenerator::findComposeFile()
+diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
+index c2b7a562a9..4fa5f6d6a5 100644
+--- a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
++++ b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
+@@ -570,7 +570,14 @@ void (*QGLXContext::getProcAddress(const QByteArray &procName)) ()
+ #ifndef QT_NO_LIBRARY
+                 extern const QString qt_gl_library_name();
+ //                QLibrary lib(qt_gl_library_name());
++                // Check system library paths first
+                 QLibrary lib(QLatin1String("GL"));
++#ifdef NIXPKGS_MESA_GL
++                if (!lib.load()) {
++                    // Fallback to Mesa driver
++                    lib.setFileName(QLatin1String(NIXPKGS_MESA_GL));
++                }
++#endif // NIXPKGS_MESA_GL
+                 glXGetProcAddressARB = (qt_glXGetProcAddressARB) lib.resolve("glXGetProcAddressARB");
+ #endif
+             }
+diff --git a/src/plugins/platforms/xcb/qxcbcursor.cpp b/src/plugins/platforms/xcb/qxcbcursor.cpp
+index 4646ced954..ff3111f393 100644
+--- a/src/plugins/platforms/xcb/qxcbcursor.cpp
++++ b/src/plugins/platforms/xcb/qxcbcursor.cpp
+@@ -303,10 +303,10 @@ QXcbCursor::QXcbCursor(QXcbConnection *conn, QXcbScreen *screen)
+ #if defined(XCB_USE_XLIB) && !defined(QT_NO_LIBRARY)
+     static bool function_ptrs_not_initialized = true;
+     if (function_ptrs_not_initialized) {
+-        QLibrary xcursorLib(QLatin1String("Xcursor"), 1);
++        QLibrary xcursorLib(QLatin1String(NIXPKGS_LIBXCURSOR), 1);
+         bool xcursorFound = xcursorLib.load();
+         if (!xcursorFound) { // try without the version number
+-            xcursorLib.setFileName(QLatin1String("Xcursor"));
++            xcursorLib.setFileName(QLatin1String(NIXPKGS_LIBXCURSOR));
+             xcursorFound = xcursorLib.load();
+         }
+         if (xcursorFound) {
+diff --git a/src/testlib/qtestassert.h b/src/testlib/qtestassert.h
+index ca3e02ca06..28dd73d772 100644
+--- a/src/testlib/qtestassert.h
++++ b/src/testlib/qtestassert.h
+@@ -38,10 +38,13 @@
+ 
+ QT_BEGIN_NAMESPACE
+ 
+-
+-#define QTEST_ASSERT(cond) do { if (!(cond)) qt_assert(#cond,__FILE__,__LINE__); } while (0)
+-
+-#define QTEST_ASSERT_X(cond, where, what) do { if (!(cond)) qt_assert_x(where, what,__FILE__,__LINE__); } while (0)
++#if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS)
++#define QTEST_ASSERT(cond) do { } while ((false) && (cond))
++#define QTEST_ASSERT_X(cond, where, what) do { } while ((false) && (cond))
++#else
++#define QTEST_ASSERT(cond) do { if (!(cond)) qt_assert(#cond,__FILE__,__LINE__); } while (false)
++#define QTEST_ASSERT_X(cond, where, what) do { if (!(cond)) qt_assert_x(where, what,__FILE__,__LINE__); } while (false)
++#endif
+ 
+ QT_END_NAMESPACE
+ 
+diff --git a/src/widgets/Qt5WidgetsConfigExtras.cmake.in b/src/widgets/Qt5WidgetsConfigExtras.cmake.in
+index 99d87e2e46..a4eab2aa72 100644
+--- a/src/widgets/Qt5WidgetsConfigExtras.cmake.in
++++ b/src/widgets/Qt5WidgetsConfigExtras.cmake.in
+@@ -3,7 +3,7 @@ if (NOT TARGET Qt5::uic)
+     add_executable(Qt5::uic IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Widgets_install_prefix}/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtdeclarative.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtdeclarative.patch
new file mode 100644
index 000000000000..dbddaa2a1d60
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtdeclarative.patch
@@ -0,0 +1,20 @@
+diff --git a/src/qml/qml/qqmlimport.cpp b/src/qml/qml/qqmlimport.cpp
+index dfdf2edbe..7ee96049d 100644
+--- a/src/qml/qml/qqmlimport.cpp
++++ b/src/qml/qml/qqmlimport.cpp
+@@ -1568,6 +1568,15 @@ QQmlImportDatabase::QQmlImportDatabase(QQmlEngine *e)
+     QString installImportsPath =  QLibraryInfo::location(QLibraryInfo::Qml2ImportsPath);
+     addImportPath(installImportsPath);
+ 
++    // Add import paths derived from PATH
++    const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(':');
++    const QString qmldir = QStringLiteral("../" NIXPKGS_QML2_IMPORT_PREFIX);
++    for (const QString &path: paths) {
++        if (!path.isEmpty()) {
++            addImportPath(QDir::cleanPath(path + QDir::separator() + qmldir));
++        }
++    }
++
+     // env import paths
+     if (Q_UNLIKELY(!qEnvironmentVariableIsEmpty("QML2_IMPORT_PATH"))) {
+         const QByteArray envImportPath = qgetenv("QML2_IMPORT_PATH");
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtscript.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtscript.patch
new file mode 100644
index 000000000000..5508dec1280e
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtscript.patch
@@ -0,0 +1,13 @@
+diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
+index 1f6d25e..087c3fb 100644
+--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
++++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
+@@ -81,7 +81,7 @@
+ #include <pthread.h>
+ #elif PLATFORM(GTK)
+ #include <wtf/gtk/GOwnPtr.h>
+-typedef struct _GMutex GMutex;
++typedef union _GMutex GMutex;
+ typedef struct _GCond GCond;
+ #endif
+ 
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtserialport.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtserialport.patch
new file mode 100644
index 000000000000..b2cffbe4f39b
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtserialport.patch
@@ -0,0 +1,22 @@
+diff --git a/src/serialport/qtudev_p.h b/src/serialport/qtudev_p.h
+index 6f2cabd..cd3c0ed 100644
+--- a/src/serialport/qtudev_p.h
++++ b/src/serialport/qtudev_p.h
+@@ -105,9 +105,17 @@ inline QFunctionPointer resolveSymbol(QLibrary *udevLibrary, const char *symbolN
+ inline bool resolveSymbols(QLibrary *udevLibrary)
+ {
+     if (!udevLibrary->isLoaded()) {
++#ifdef NIXPKGS_LIBUDEV
++        udevLibrary->setFileNameAndVersion(QLatin1String(NIXPKGS_LIBUDEV), 1);
++#else
+         udevLibrary->setFileNameAndVersion(QStringLiteral("udev"), 1);
++#endif
+         if (!udevLibrary->load()) {
++#ifdef NIXPKGS_LIBUDEV
++            udevLibrary->setFileNameAndVersion(QLatin1String(NIXPKGS_LIBUDEV), 0);
++#else
+             udevLibrary->setFileNameAndVersion(QStringLiteral("udev"), 0);
++#endif
+             if (!udevLibrary->load()) {
+                 qWarning("Failed to load the library: %s, supported version(s): %i and %i", qPrintable(udevLibrary->fileName()), 1, 0);
+                 return false;
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.6/qttools.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qttools.patch
new file mode 100644
index 000000000000..dcb15e0e55a6
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qttools.patch
@@ -0,0 +1,64 @@
+diff --git a/src/assistant/help/Qt5HelpConfigExtras.cmake.in b/src/assistant/help/Qt5HelpConfigExtras.cmake.in
+index 5a5bd5ce..1c6727d4 100644
+--- a/src/assistant/help/Qt5HelpConfigExtras.cmake.in
++++ b/src/assistant/help/Qt5HelpConfigExtras.cmake.in
+@@ -2,14 +2,13 @@
+ if (NOT TARGET Qt5::qcollectiongenerator)
+     add_executable(Qt5::qcollectiongenerator IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Help_install_prefix}/$${CMAKE_BIN_DIR}qcollectiongenerator$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}qcollectiongenerator$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    if(NOT EXISTS \"${imported_location}\")
++        set(imported_location \"$${CMAKE_BIN_DIR}qcollectiongenerator$$CMAKE_BIN_SUFFIX\")
++    endif()
+     _qt5_Help_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qcollectiongenerator PROPERTIES
+         IMPORTED_LOCATION ${imported_location}
+     )
+-endif()
++endif()
+\ No newline at end of file
+diff --git a/src/linguist/Qt5LinguistToolsConfig.cmake.in b/src/linguist/Qt5LinguistToolsConfig.cmake.in
+index 4318b16f..d60db4ff 100644
+--- a/src/linguist/Qt5LinguistToolsConfig.cmake.in
++++ b/src/linguist/Qt5LinguistToolsConfig.cmake.in
+@@ -44,11 +44,7 @@ endmacro()
+ if (NOT TARGET Qt5::lrelease)
+     add_executable(Qt5::lrelease IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5_linguisttools_install_prefix}/$${CMAKE_BIN_DIR}lrelease$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}lrelease$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
+     _qt5_LinguistTools_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::lrelease PROPERTIES
+@@ -59,11 +55,7 @@ endif()
+ if (NOT TARGET Qt5::lupdate)
+     add_executable(Qt5::lupdate IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5_linguisttools_install_prefix}/$${CMAKE_BIN_DIR}lupdate$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}lupdate$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
+     _qt5_LinguistTools_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::lupdate PROPERTIES
+@@ -74,11 +66,7 @@ endif()
+ if (NOT TARGET Qt5::lconvert)
+     add_executable(Qt5::lconvert IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5_linguisttools_install_prefix}/$${CMAKE_BIN_DIR}lconvert$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}lconvert$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
+     _qt5_LinguistTools_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::lconvert PROPERTIES
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtwebengine-seccomp.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtwebengine-seccomp.patch
new file mode 100644
index 000000000000..bf6af8059823
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtwebengine-seccomp.patch
@@ -0,0 +1,24 @@
+Backported to Qt 5.6 for epoll_pwait fix on newer glibc
+Part of upstream Chromium's 4e8083b4ab953ba298aedfc4e79d464be15e4012
+Review URL: https://codereview.chromium.org/1613883002
+---
+diff --git a/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc b/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
+index 10278dc5fc9b..b30b3e6acef6 100644
+--- a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
++++ b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
+@@ -414,6 +414,7 @@ bool SyscallSets::IsAllowedEpoll(int sysno) {
+     case __NR_epoll_create:
+     case __NR_epoll_wait:
+ #endif
++    case __NR_epoll_pwait:
+     case __NR_epoll_create1:
+     case __NR_epoll_ctl:
+       return true;
+@@ -421,7 +422,6 @@ bool SyscallSets::IsAllowedEpoll(int sysno) {
+ #if defined(__x86_64__)
+     case __NR_epoll_ctl_old:
+ #endif
+-    case __NR_epoll_pwait:
+ #if defined(__x86_64__)
+     case __NR_epoll_wait_old:
+ #endif
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtwebkit.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtwebkit.patch
new file mode 100644
index 000000000000..da1658554e44
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.6/qtwebkit.patch
@@ -0,0 +1,149 @@
+diff --git a/Source/JavaScriptCore/API/JSStringRef.cpp b/Source/JavaScriptCore/API/JSStringRef.cpp
+index 812f3d413..77a3fd0f4 100644
+--- a/Source/JavaScriptCore/API/JSStringRef.cpp
++++ b/Source/JavaScriptCore/API/JSStringRef.cpp
+@@ -37,7 +37,7 @@ using namespace WTF::Unicode;
+ JSStringRef JSStringCreateWithCharacters(const JSChar* chars, size_t numChars)
+ {
+     initializeThreading();
+-    return OpaqueJSString::create(chars, numChars).leakRef();
++    return OpaqueJSString::create(reinterpret_cast<const UChar*>(chars), numChars).leakRef();
+ }
+ 
+ JSStringRef JSStringCreateWithUTF8CString(const char* string)
+@@ -62,7 +62,7 @@ JSStringRef JSStringCreateWithUTF8CString(const char* string)
+ JSStringRef JSStringCreateWithCharactersNoCopy(const JSChar* chars, size_t numChars)
+ {
+     initializeThreading();
+-    return OpaqueJSString::create(StringImpl::createWithoutCopying(chars, numChars, WTF::DoesNotHaveTerminatingNullCharacter)).leakRef();
++    return OpaqueJSString::create(StringImpl::createWithoutCopying(reinterpret_cast<const UChar*>(chars), numChars, WTF::DoesNotHaveTerminatingNullCharacter)).leakRef();
+ }
+ 
+ JSStringRef JSStringRetain(JSStringRef string)
+@@ -83,7 +83,7 @@ size_t JSStringGetLength(JSStringRef string)
+ 
+ const JSChar* JSStringGetCharactersPtr(JSStringRef string)
+ {
+-    return string->characters();
++    return reinterpret_cast<const JSChar*>(string->characters());
+ }
+ 
+ size_t JSStringGetMaximumUTF8CStringSize(JSStringRef string)
+diff --git a/Source/JavaScriptCore/runtime/DateConversion.cpp b/Source/JavaScriptCore/runtime/DateConversion.cpp
+index 0b57f012d..05e27338b 100644
+--- a/Source/JavaScriptCore/runtime/DateConversion.cpp
++++ b/Source/JavaScriptCore/runtime/DateConversion.cpp
+@@ -107,7 +107,8 @@ String formatDateTime(const GregorianDateTime& t, DateTimeFormat format, bool as
+ #if OS(WINDOWS)
+             TIME_ZONE_INFORMATION timeZoneInformation;
+             GetTimeZoneInformation(&timeZoneInformation);
+-            const WCHAR* timeZoneName = t.isDST() ? timeZoneInformation.DaylightName : timeZoneInformation.StandardName;
++            const WCHAR* winTimeZoneName = t.isDST() ? timeZoneInformation.DaylightName : timeZoneInformation.StandardName;
++            String timeZoneName(reinterpret_cast<const UChar*>(winTimeZoneName));
+ #else
+             struct tm gtm = t;
+             char timeZoneName[70];
+diff --git a/Source/WTF/WTF.pri b/Source/WTF/WTF.pri
+index 1f4866d66..bb61e4ba3 100644
+--- a/Source/WTF/WTF.pri
++++ b/Source/WTF/WTF.pri
+@@ -12,7 +12,7 @@ mac {
+     # Mac OS does ship libicu but not the associated header files.
+     # Therefore WebKit provides adequate header files.
+     INCLUDEPATH = $${ROOT_WEBKIT_DIR}/Source/WTF/icu $$INCLUDEPATH
+-    LIBS += -licucore
++    LIBS += /usr/lib/libicucore.dylib
+ } else:!use?(wchar_unicode): {
+     win32 {
+         CONFIG(static, static|shared) {
+diff --git a/Source/WTF/wtf/TypeTraits.h b/Source/WTF/wtf/TypeTraits.h
+index 9df2c95cf..f5d6121fd 100644
+--- a/Source/WTF/wtf/TypeTraits.h
++++ b/Source/WTF/wtf/TypeTraits.h
+@@ -72,6 +72,9 @@ namespace WTF {
+     template<> struct IsInteger<unsigned long>      { static const bool value = true; };
+     template<> struct IsInteger<long long>          { static const bool value = true; };
+     template<> struct IsInteger<unsigned long long> { static const bool value = true; };
++#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) || (defined(_HAS_CHAR16_T_LANGUAGE_SUPPORT) && _HAS_CHAR16_T_LANGUAGE_SUPPORT)
++    template<> struct IsInteger<char16_t>           { static const bool value = true; };
++#endif
+ #if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
+     template<> struct IsInteger<wchar_t>            { static const bool value = true; };
+ #endif
+diff --git a/Source/WebCore/plugins/qt/PluginPackageQt.cpp b/Source/WebCore/plugins/qt/PluginPackageQt.cpp
+index a923d49aa..46772a4bb 100644
+--- a/Source/WebCore/plugins/qt/PluginPackageQt.cpp
++++ b/Source/WebCore/plugins/qt/PluginPackageQt.cpp
+@@ -136,7 +136,11 @@ static void initializeGtk(QLibrary* module = 0)
+         }
+     }
+ 
++#ifdef NIXPKGS_LIBGTK2
++    QLibrary library(QLatin1String(NIXPKGS_LIBGTK2), 0);
++#else
+     QLibrary library(QLatin1String("libgtk-x11-2.0"), 0);
++#endif
+     if (library.load()) {
+         typedef void *(*gtk_init_check_ptr)(int*, char***);
+         gtk_init_check_ptr gtkInitCheck = (gtk_init_check_ptr)library.resolve("gtk_init_check");
+diff --git a/Source/WebCore/plugins/qt/PluginViewQt.cpp b/Source/WebCore/plugins/qt/PluginViewQt.cpp
+index de06a2fea..86fe39ef1 100644
+--- a/Source/WebCore/plugins/qt/PluginViewQt.cpp
++++ b/Source/WebCore/plugins/qt/PluginViewQt.cpp
+@@ -697,7 +697,11 @@ static Display *getPluginDisplay()
+     // support gdk based plugins (like flash) that use a different X connection.
+     // The code below has the same effect as this one:
+     // Display *gdkDisplay = gdk_x11_display_get_xdisplay(gdk_display_get_default());
++#ifdef NIXPKGS_LIBGDK2
++    QLibrary library(QLatin1String(NIXPKGS_LIBGDK2), 0);
++#else
+     QLibrary library(QLatin1String("libgdk-x11-2.0"), 0);
++#endif
+     if (!library.load())
+         return 0;
+ 
+diff --git a/Source/WebKit2/PluginProcess/qt/PluginProcessMainQt.cpp b/Source/WebKit2/PluginProcess/qt/PluginProcessMainQt.cpp
+index 8de65216b..38f5c05e5 100644
+--- a/Source/WebKit2/PluginProcess/qt/PluginProcessMainQt.cpp
++++ b/Source/WebKit2/PluginProcess/qt/PluginProcessMainQt.cpp
+@@ -53,7 +53,11 @@ static void messageHandler(QtMsgType type, const QMessageLogContext&, const QStr
+ 
+ static bool initializeGtk()
+ {
++#ifdef NIXPKGS_LIBGTK2
++    QLibrary gtkLibrary(QLatin1String(NIXPKGS_LIBGTK2), 0);
++#else
+     QLibrary gtkLibrary(QLatin1String("libgtk-x11-2.0"), 0);
++#endif
+     if (!gtkLibrary.load())
+         return false;
+     typedef void* (*gtk_init_ptr)(void*, void*);
+diff --git a/Source/WebKit2/Shared/API/c/WKString.cpp b/Source/WebKit2/Shared/API/c/WKString.cpp
+index cbac67dd8..23400a64e 100644
+--- a/Source/WebKit2/Shared/API/c/WKString.cpp
++++ b/Source/WebKit2/Shared/API/c/WKString.cpp
+@@ -55,7 +55,7 @@ size_t WKStringGetLength(WKStringRef stringRef)
+ size_t WKStringGetCharacters(WKStringRef stringRef, WKChar* buffer, size_t bufferLength)
+ {
+     COMPILE_ASSERT(sizeof(WKChar) == sizeof(UChar), WKStringGetCharacters_sizeof_WKChar_matches_UChar);
+-    return (toImpl(stringRef)->getCharacters(static_cast<UChar*>(buffer), bufferLength));
++    return (toImpl(stringRef)->getCharacters(reinterpret_cast<UChar*>(buffer), bufferLength));
+ }
+ 
+ size_t WKStringGetMaximumUTF8CStringSize(WKStringRef stringRef)
+diff --git a/Source/WebKit2/WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp b/Source/WebKit2/WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp
+index d734ff684..0f6ff63d1 100644
+--- a/Source/WebKit2/WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp
++++ b/Source/WebKit2/WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp
+@@ -64,7 +64,11 @@ static Display* getPluginDisplay()
+     // The code below has the same effect as this one:
+     // Display *gdkDisplay = gdk_x11_display_get_xdisplay(gdk_display_get_default());
+ 
++#ifdef NIXPKGS_LIBGDK2
++    QLibrary library(QLatin1String(NIXPKGS_LIBGDK2), 0);
++#else
+     QLibrary library(QLatin1String("libgdk-x11-2.0"), 0);
++#endif
+     if (!library.load())
+         return 0;
+ 
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.6/srcs.nix b/nixpkgs/pkgs/development/libraries/qt-5/5.6/srcs.nix
new file mode 100644
index 000000000000..87d35a43d86b
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.6/srcs.nix
@@ -0,0 +1,309 @@
+# DO NOT EDIT! This file is generated automatically by fetch-kde-qt.sh
+{ fetchurl, mirror }:
+
+{
+  qt3d = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qt3d-opensource-src-5.6.3.tar.xz";
+      sha256 = "1zkzc3wh2i89nacb55mbgl09zhrjbrxg9ir626bsvz15x4q5ml0h";
+      name = "qt3d-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtactiveqt = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtactiveqt-opensource-src-5.6.3.tar.xz";
+      sha256 = "00qscqjpkv5ssrjdwwcjp9q1rqgp8lsdjjksjpyyg4v6knd74s0i";
+      name = "qtactiveqt-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtandroidextras = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtandroidextras-opensource-src-5.6.3.tar.xz";
+      sha256 = "1v19p1pqcdicylj3hd2lbm5swqddydlv9aqmws3qwsc2vwh15d4n";
+      name = "qtandroidextras-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtbase = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtbase-opensource-src-5.6.3.tar.xz";
+      sha256 = "18ad7cxln61276cm8h8hzm0y6svw6b5m5nbm1niif9pwlqlqbx7y";
+      name = "qtbase-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtcanvas3d = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtcanvas3d-opensource-src-5.6.3.tar.xz";
+      sha256 = "1zsn3xbsqapivfg80cldjlh7z07nf88958a7g6dm7figkwahx7p9";
+      name = "qtcanvas3d-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtcharts = {
+    version = "2.1.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtcharts-opensource-src-2.1.3.tar.xz";
+      sha256 = "0bvxmqx7094mq1svrv1i1jp6vl87r2mp7k9n3gqpixjmqaqsjdpn";
+      name = "qtcharts-opensource-src-2.1.3.tar.xz";
+    };
+  };
+  qtconnectivity = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtconnectivity-opensource-src-5.6.3.tar.xz";
+      sha256 = "1pnc0zmps5iw5yhn2w0wl8cnyxhcy88d3rnaiv62ljpsccynwh7s";
+      name = "qtconnectivity-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtdatavis3d = {
+    version = "1.2.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtdatavis3d-opensource-src-1.2.3.tar.xz";
+      sha256 = "0rqhr6s3fic91r6r1g2ws57j6ixvkh4zhcwh7savs1risx374vya";
+      name = "qtdatavis3d-opensource-src-1.2.3.tar.xz";
+    };
+  };
+  qtdeclarative = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtdeclarative-opensource-src-5.6.3.tar.xz";
+      sha256 = "1z4ih5jbydnk5dz0arhvwc54fjw7fynqx3rhm6f8lsyis19w0gzn";
+      name = "qtdeclarative-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtdeclarative-render2d = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtdeclarative-render2d-opensource-src-5.6.3.tar.xz";
+      sha256 = "0r2qn8l3wh73cj75rq34zmc6rgl7v11c31pjdcsybad76nw5wb2p";
+      name = "qtdeclarative-render2d-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtdoc = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtdoc-opensource-src-5.6.3.tar.xz";
+      sha256 = "11zhlry8hlql1q3pm4mf7qyky9i2irxqdrr9nr5m93wjyfsjbh7f";
+      name = "qtdoc-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtenginio = {
+    version = "1.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtenginio-opensource-src-1.6.3.tar.xz";
+      sha256 = "04ir5pa8wpkc7cq08s0b69a0vhkr7479ixn3m2vww4jm6l5hc1yr";
+      name = "qtenginio-opensource-src-1.6.3.tar.xz";
+    };
+  };
+  qtgraphicaleffects = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtgraphicaleffects-opensource-src-5.6.3.tar.xz";
+      sha256 = "1vcrm4jfmxjlw23dnwf45mzq2z5s4fz6j2znknr25ca5bqnmjhn7";
+      name = "qtgraphicaleffects-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtimageformats = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtimageformats-opensource-src-5.6.3.tar.xz";
+      sha256 = "1hs8b258xsbc4xb4844mas9ka54f5cfhhszblawwjxn9j0ydmr7g";
+      name = "qtimageformats-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtlocation = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtlocation-opensource-src-5.6.3.tar.xz";
+      sha256 = "0rhlmyi5kkhl1bimaj1fmp36v7x5r79j3flgx9dv27rkric1ra5p";
+      name = "qtlocation-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtmacextras = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtmacextras-opensource-src-5.6.3.tar.xz";
+      sha256 = "10v2a058yv6k76gg9dgpy4fc0xd652dknzsw5432gm8d9391382i";
+      name = "qtmacextras-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtmultimedia = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtmultimedia-opensource-src-5.6.3.tar.xz";
+      sha256 = "0ihvbv0ldravbrx6406ps0z8y6521iz6h58n5ws44xq3m2g06dmf";
+      name = "qtmultimedia-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtpurchasing = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtpurchasing-opensource-src-5.6.3.tar.xz";
+      sha256 = "0lf269jzd6y4x5bxjwgz9dpw7hxmc6sp39qpxwlswd505cf0wgd7";
+      name = "qtpurchasing-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtquickcontrols = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtquickcontrols-opensource-src-5.6.3.tar.xz";
+      sha256 = "13nvn0d2i4lf4igc1xqf7m98n4j66az1bi02zzv5m18vyb40zfri";
+      name = "qtquickcontrols-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtquickcontrols2 = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtquickcontrols2-opensource-src-5.6.3.tar.xz";
+      sha256 = "1jw1zykrx8aa9p781hc74h9za7lnnm4ifpdyqa4ahbdy193phl7c";
+      name = "qtquickcontrols2-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtscript = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtscript-opensource-src-5.6.3.tar.xz";
+      sha256 = "12dkf2s1l9y9cwdyayg2mpnwvx14kq93pymp3iy3fw1s1vfj11zh";
+      name = "qtscript-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtsensors = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtsensors-opensource-src-5.6.3.tar.xz";
+      sha256 = "0ws96fmk5zz9szrw9x1dwa6gnv9rpv1q0h9ax9z5m1kiapfd80km";
+      name = "qtsensors-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtserialbus = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtserialbus-opensource-src-5.6.3.tar.xz";
+      sha256 = "17lskz4r549hc02riv0a3jdjbyaq4y4a94xd3jhy454lhzirpj3i";
+      name = "qtserialbus-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtserialport = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtserialport-opensource-src-5.6.3.tar.xz";
+      sha256 = "06mfkd88rcn4p8pfzsyqbfg956vwwcql0khchjgx3bh34zp1yb88";
+      name = "qtserialport-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtsvg = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtsvg-opensource-src-5.6.3.tar.xz";
+      sha256 = "1v6wz8fcgsh4lfv68bhavms0l1z3mcn8vggakc3m8rdl2wsih3qh";
+      name = "qtsvg-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qttools = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qttools-opensource-src-5.6.3.tar.xz";
+      sha256 = "09krlrgcglylsv7xx4r681v7zmyy6nr8j18482skrmsqh21vlqqs";
+      name = "qttools-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qttranslations = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qttranslations-opensource-src-5.6.3.tar.xz";
+      sha256 = "1avcfymi9bxk02i1rqh89c6hnvf4bg9qry94z29g1r62c80lxvbd";
+      name = "qttranslations-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtvirtualkeyboard = {
+    version = "2.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtvirtualkeyboard-opensource-src-2.0.tar.xz";
+      sha256 = "1v0saqz76h9gnb13b8mri4jq93i7f1gr7hj81zj3vz433s2klm0x";
+      name = "qtvirtualkeyboard-opensource-src-2.0.tar.xz";
+    };
+  };
+  qtwayland = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtwayland-opensource-src-5.6.3.tar.xz";
+      sha256 = "18ys14fzjybx02aj85vyqzsp89ypv2c6vfpklxzslwyvn9w54iss";
+      name = "qtwayland-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtwebchannel = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtwebchannel-opensource-src-5.6.3.tar.xz";
+      sha256 = "04q7wmdnv4pskah2s5nnrzbsb207fvkj333m69wkqrc64anb1ccf";
+      name = "qtwebchannel-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtwebengine = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtwebengine-opensource-src-5.6.3.tar.xz";
+      sha256 = "19xpvnjwrjpj6wx7sy1cs1r1ibnh5hqfk9w9rnqf5h7n77xnk780";
+      name = "qtwebengine-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtwebkit = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/community_releases/5.6/5.6.3/qtwebkit-opensource-src-5.6.3.tar.xz";
+      sha256 = "15iqgaw3jznfq1mdg1mmr7pn8w3qhw964h5m36vg3ywqayr6p309";
+      name = "qtwebkit-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtwebkit-examples = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/community_releases/5.6/5.6.3/qtwebkit-examples-opensource-src-5.6.3.tar.xz";
+      sha256 = "17hnls8j4wz0kyzzq7m3105lqz71zsxr0hya7i23pl4qc8affv1d";
+      name = "qtwebkit-examples-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtwebsockets = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtwebsockets-opensource-src-5.6.3.tar.xz";
+      sha256 = "1sr8q0wqw4xwcdl6nvnv04pcjxb0fbs4ywrkcghdz2bcc52r0hx2";
+      name = "qtwebsockets-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtwebview = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtwebview-opensource-src-5.6.3.tar.xz";
+      sha256 = "076q9g2ca41v8lyhn7354rs8w2ca0wp2hsxc76zprzghi5p4b2kn";
+      name = "qtwebview-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtwinextras = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtwinextras-opensource-src-5.6.3.tar.xz";
+      sha256 = "0nmhvd1g18w12q6i8s87aq7rwikcn1m8m9m0a02l3p22xvimkxzf";
+      name = "qtwinextras-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtx11extras = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtx11extras-opensource-src-5.6.3.tar.xz";
+      sha256 = "0zv70z5z48wlg0q2zd7nbp7i0wimdcalns6yg0mjp7v2w2b8wyhy";
+      name = "qtx11extras-opensource-src-5.6.3.tar.xz";
+    };
+  };
+  qtxmlpatterns = {
+    version = "5.6.3";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.6/5.6.3/submodules/qtxmlpatterns-opensource-src-5.6.3.tar.xz";
+      sha256 = "1xjimf88j2s5jrqgr9ki82zmis8r979rrzq4k6dxw43k1ngzyqd4";
+      name = "qtxmlpatterns-opensource-src-5.6.3.tar.xz";
+    };
+  };
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/default.nix b/nixpkgs/pkgs/development/libraries/qt-5/5.9/default.nix
new file mode 100644
index 000000000000..52c763263b53
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/default.nix
@@ -0,0 +1,160 @@
+/*
+
+# Updates
+
+Before a major version update, make a copy of this directory. (We like to
+keep the old version around for a short time after major updates.) Add a
+top-level attribute to `top-level/all-packages.nix`.
+
+1. Update the URL in `pkgs/development/libraries/qt-5/$VERSION/fetch.sh`.
+2. From the top of the Nixpkgs tree, run
+   `./maintainers/scripts/fetch-kde-qt.sh > pkgs/development/libraries/qt-5/$VERSION/srcs.nix`.
+3. Check that the new packages build correctly.
+4. Commit the changes and open a pull request.
+
+*/
+
+{
+  newScope,
+  stdenv, fetchurl, fetchpatch, makeSetupHook, makeWrapper,
+  bison, cups ? null, harfbuzz, libGL, perl,
+  gstreamer, gst-plugins-base, gtk3, dconf,
+
+  # options
+  developerBuild ? false,
+  decryptSslTraffic ? false,
+  debug ? false,
+}:
+
+with stdenv.lib;
+
+let
+
+  qtCompatVersion = srcs.qtbase.version;
+
+  mirror = "http://download.qt.io";
+  srcs = import ./srcs.nix { inherit fetchurl; inherit mirror; };
+
+  patches = {
+    qtbase = [ ./qtbase.patch ./qtbase-fixguicmake.patch ];
+    qtdeclarative = [ ./qtdeclarative.patch ];
+    qtscript = [ ./qtscript.patch ];
+    qtserialport = [ ./qtserialport.patch ];
+    qttools = [ ./qttools.patch ];
+    qtwebengine = [ ./qtwebengine-no-build-skip.patch ]
+      ++ optional stdenv.cc.isClang ./qtwebengine-clang-fix.patch
+      ++ optional stdenv.isDarwin ./qtwebengine-darwin-no-platform-check.patch;
+    qtwebkit = [ ./qtwebkit.patch ];
+    qtvirtualkeyboard = [
+      (fetchpatch {
+        name = "CVE-2018-19865-A.patch";
+        url = "https://codereview.qt-project.org/gitweb?p=qt/qtvirtualkeyboard.git;a=patch;h=61780a113f02b3c62fb14516fe8ea47d91f9ed9a";
+        sha256 = "0jd4nzaz9ndm9ryvrkav7kjs437l661288diklhbmgh249f8gki0";
+      })
+      (fetchpatch {
+        name = "CVE-2018-19865-B.patch";
+        url = "https://codereview.qt-project.org/gitweb?p=qt/qtvirtualkeyboard.git;a=patch;h=c0ac7a4c684e2fed60a72ceee53da89eea3f95a7";
+        sha256 = "0yvxrx5vx6845vgnq8ml3q93y61py5j0bvhqj7nqvpbmyj1wy1p3";
+
+      })
+      (fetchpatch {
+        name = "CVE-2018-19865-C.patch";
+        url = "https://codereview.qt-project.org/gitweb?p=qt/qtvirtualkeyboard.git;a=patch;h=a2e7b8412f56841e12ed20a39f4a38e32d3c1e30";
+        sha256 = "1yijysa9gy5xbxndx5ri0dkfrjqja0d1bsx52qz4mhzi4pkbib02";
+      })
+    ];
+
+  };
+
+  qtModule =
+    import ../qtModule.nix
+    {
+      inherit perl;
+      inherit (stdenv) lib;
+      # Use a variant of mkDerivation that does not include wrapQtApplications
+      # to avoid cyclic dependencies between Qt modules.
+      mkDerivation =
+        import ../mkDerivation.nix
+        { inherit (stdenv) lib; inherit debug; wrapQtAppsHook = null; }
+        stdenv.mkDerivation;
+    }
+    { inherit self srcs patches; };
+
+  addPackages = self: with self;
+    let
+      callPackage = self.newScope { inherit qtCompatVersion qtModule srcs; };
+    in {
+
+      mkDerivationWith =
+        import ../mkDerivation.nix
+        { inherit (stdenv) lib; inherit debug; inherit (self) wrapQtAppsHook; };
+
+      mkDerivation = mkDerivationWith stdenv.mkDerivation;
+
+      qtbase = callPackage ../modules/qtbase.nix {
+        inherit (srcs.qtbase) src version;
+        patches = patches.qtbase;
+        inherit bison cups harfbuzz libGL;
+        withGtk3 = true; inherit dconf gtk3;
+        inherit developerBuild decryptSslTraffic;
+      };
+
+      qtcharts = callPackage ../modules/qtcharts.nix {};
+      qtconnectivity = callPackage ../modules/qtconnectivity.nix {};
+      qtdeclarative = callPackage ../modules/qtdeclarative.nix {};
+      qtdoc = callPackage ../modules/qtdoc.nix {};
+      qtgraphicaleffects = callPackage ../modules/qtgraphicaleffects.nix {};
+      qtimageformats = callPackage ../modules/qtimageformats.nix {};
+      qtlocation = callPackage ../modules/qtlocation.nix {};
+      qtmacextras = callPackage ../modules/qtmacextras.nix {};
+      qtmultimedia = callPackage ../modules/qtmultimedia.nix {
+        inherit gstreamer gst-plugins-base;
+      };
+      qtnetworkauth = callPackage ../modules/qtnetworkauth.nix {};
+      qtquick1 = null;
+      qtquickcontrols = callPackage ../modules/qtquickcontrols.nix {};
+      qtquickcontrols2 = callPackage ../modules/qtquickcontrols2.nix {};
+      qtscript = callPackage ../modules/qtscript.nix {};
+      qtsensors = callPackage ../modules/qtsensors.nix {};
+      qtserialport = callPackage ../modules/qtserialport.nix {};
+      qtsvg = callPackage ../modules/qtsvg.nix {};
+      qttools = callPackage ../modules/qttools.nix {};
+      qttranslations = callPackage ../modules/qttranslations.nix {};
+      qtvirtualkeyboard = callPackage ../modules/qtvirtualkeyboard.nix {};
+      qtwayland = callPackage ../modules/qtwayland.nix {};
+      qtwebchannel = callPackage ../modules/qtwebchannel.nix {};
+      qtwebengine = callPackage ../modules/qtwebengine.nix {};
+      qtwebkit = callPackage ../modules/qtwebkit.nix {};
+      qtwebsockets = callPackage ../modules/qtwebsockets.nix {};
+      qtx11extras = callPackage ../modules/qtx11extras.nix {};
+      qtxmlpatterns = callPackage ../modules/qtxmlpatterns.nix {};
+
+      env = callPackage ../qt-env.nix {};
+      full = env "qt-full-${qtbase.version}" ([
+        qtcharts qtconnectivity qtdeclarative qtdoc qtgraphicaleffects
+        qtimageformats qtlocation qtmultimedia qtquickcontrols qtquickcontrols2
+        qtscript qtsensors qtserialport qtsvg qttools qttranslations
+        qtvirtualkeyboard qtwebchannel qtwebengine qtwebkit qtwebsockets
+        qtx11extras qtxmlpatterns
+      ] ++ optional (!stdenv.isDarwin) qtwayland
+        ++ optional (stdenv.isDarwin) qtmacextras);
+
+      qmake = makeSetupHook {
+        deps = [ self.qtbase.dev ];
+        substitutions = {
+          inherit (stdenv) isDarwin;
+          qtbase_dev = self.qtbase.dev;
+          fix_qt_builtin_paths = ../hooks/fix-qt-builtin-paths.sh;
+        };
+      } ../hooks/qmake-hook.sh;
+
+      wrapQtAppsHook = makeSetupHook {
+        deps =
+          [ self.qtbase.dev makeWrapper ]
+          ++ optional stdenv.isLinux self.qtwayland.dev;
+      } ../hooks/wrap-qt-apps-hook.sh;
+    };
+
+   self = makeScope newScope addPackages;
+
+in self
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/fetch.sh b/nixpkgs/pkgs/development/libraries/qt-5/5.9/fetch.sh
new file mode 100644
index 000000000000..17ebe1e532df
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/fetch.sh
@@ -0,0 +1 @@
+WGET_ARGS=( http://download.qt.io/official_releases/qt/5.9/5.9.7/submodules/ )
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtbase-fixguicmake.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtbase-fixguicmake.patch
new file mode 100644
index 000000000000..8b46d432812a
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtbase-fixguicmake.patch
@@ -0,0 +1,30 @@
+diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+index 0bbc871..3673634 100644
+--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+@@ -286,7 +286,7 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+     macro(_populate_$${CMAKE_MODULE_NAME}_plugin_properties Plugin Configuration PLUGIN_LOCATION)
+         set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-        set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
++        set(imported_location \"${PLUGIN_LOCATION}\")
+         _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+         set_target_properties(Qt5::${Plugin} PROPERTIES
+             \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff --git a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+index 5baf0fd..3583745 100644
+--- a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+@@ -2,10 +2,10 @@
+ add_library(Qt5::$$CMAKE_PLUGIN_NAME MODULE IMPORTED)
+ 
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_LOCATION_RELEASE}\")
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_RELEASE}\")
+ !!ENDIF
+ !!IF !isEmpty(CMAKE_DEBUG_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_LOCATION_DEBUG}\")
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_DEBUG}\")
+ !!ENDIF
+ 
+ list(APPEND Qt5$${CMAKE_MODULE_NAME}_PLUGINS Qt5::$$CMAKE_PLUGIN_NAME)
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtbase.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtbase.patch
new file mode 100644
index 000000000000..086ddf4fe3e7
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtbase.patch
@@ -0,0 +1,1141 @@
+diff --git a/mkspecs/common/mac.conf b/mkspecs/common/mac.conf
+index 5208379f9a..92fe29a0ac 100644
+--- a/mkspecs/common/mac.conf
++++ b/mkspecs/common/mac.conf
+@@ -23,7 +23,7 @@ QMAKE_INCDIR_OPENGL     = \
+ 
+ QMAKE_FIX_RPATH         = install_name_tool -id
+ 
+-QMAKE_LFLAGS_RPATH      = -Wl,-rpath,
++QMAKE_LFLAGS_RPATH      =
+ QMAKE_LFLAGS_GCSECTIONS = -Wl,-dead_strip
+ 
+ QMAKE_LFLAGS_REL_RPATH  =
+diff --git a/mkspecs/features/create_cmake.prf b/mkspecs/features/create_cmake.prf
+index bb5083c925..77034f9bb6 100644
+--- a/mkspecs/features/create_cmake.prf
++++ b/mkspecs/features/create_cmake.prf
+@@ -21,7 +21,7 @@ load(cmake_functions)
+ # at cmake time whether package has been found via a symlink, and correct
+ # that to an absolute path. This is only done for installations to
+ # the /usr or / prefix.
+-CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$[QT_INSTALL_LIBS])
++CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$NIX_OUTPUT_OUT/lib/)
+ contains(CMAKE_INSTALL_LIBS_DIR, ^(/usr)?/lib(64)?.*): CMAKE_USR_MOVE_WORKAROUND = $$CMAKE_INSTALL_LIBS_DIR
+ 
+ CMAKE_OUT_DIR = $$MODULE_BASE_OUTDIR/lib/cmake
+@@ -47,47 +47,22 @@ split_incpath {
+         $$cmake_extra_source_includes.output
+ }
+ 
+-CMAKE_INCLUDE_DIR = $$cmakeRelativePath($$[QT_INSTALL_HEADERS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_INCLUDE_DIR, "^\\.\\./.*") {
+-    CMAKE_INCLUDE_DIR = $$[QT_INSTALL_HEADERS]/
+-    CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_INCLUDE_DIR = $$NIX_OUTPUT_DEV/include/
++CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+ 
+ !exists($$first(QT.$${MODULE}_private.includes)): CMAKE_NO_PRIVATE_INCLUDES = true
+ 
+-CMAKE_LIB_DIR = $$cmakeRelativePath($$[QT_INSTALL_LIBS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_LIB_DIR,"^\\.\\./.*") {
+-    CMAKE_LIB_DIR = $$[QT_INSTALL_LIBS]/
+-    CMAKE_LIB_DIR_IS_ABSOLUTE = True
+-} else {
+-    CMAKE_RELATIVE_INSTALL_LIBS_DIR = $$cmakeRelativePath($$[QT_INSTALL_PREFIX], $$[QT_INSTALL_LIBS])
+-    # We need to go up another two levels because the CMake files are
+-    # installed in $${CMAKE_LIB_DIR}/cmake/Qt5$${CMAKE_MODULE_NAME}
+-    CMAKE_RELATIVE_INSTALL_DIR = "$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}../../"
+-}
++CMAKE_LIB_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_LIB_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_BIN_DIR = $$cmakeRelativePath($$[QT_HOST_BINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_BIN_DIR, "^\\.\\./.*") {
+-    CMAKE_BIN_DIR = $$[QT_HOST_BINS]/
+-    CMAKE_BIN_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_BIN_DIR = $$NIX_OUTPUT_BIN/bin/
++CMAKE_BIN_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_PLUGIN_DIR = $$cmakeRelativePath($$[QT_INSTALL_PLUGINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_PLUGIN_DIR, "^\\.\\./.*") {
+-    CMAKE_PLUGIN_DIR = $$[QT_INSTALL_PLUGINS]/
+-    CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_PLUGIN_DIR = $$NIX_OUTPUT_PLUGIN/
++CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
+ 
+-win32:!static:!staticlib {
+-    CMAKE_DLL_DIR = $$cmakeRelativePath($$[QT_INSTALL_BINS], $$[QT_INSTALL_PREFIX])
+-    contains(CMAKE_DLL_DIR, "^\\.\\./.*") {
+-        CMAKE_DLL_DIR = $$[QT_INSTALL_BINS]/
+-        CMAKE_DLL_DIR_IS_ABSOLUTE = True
+-    }
+-} else {
+-    CMAKE_DLL_DIR = $$CMAKE_LIB_DIR
+-    CMAKE_DLL_DIR_IS_ABSOLUTE = $$CMAKE_LIB_DIR_IS_ABSOLUTE
+-}
++CMAKE_DLL_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_DLL_DIR_IS_ABSOLUTE = True
+ 
+ static|staticlib:CMAKE_STATIC_TYPE = true
+ 
+@@ -167,7 +142,7 @@ contains(CONFIG, plugin) {
+       cmake_target_file
+ 
+     cmake_qt5_plugin_file.files = $$cmake_target_file.output
+-    cmake_qt5_plugin_file.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++    cmake_qt5_plugin_file.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+     INSTALLS += cmake_qt5_plugin_file
+ 
+     return()
+@@ -314,7 +289,7 @@ exists($$cmake_macros_file.input) {
+     cmake_qt5_module_files.files += $$cmake_macros_file.output
+ }
+ 
+-cmake_qt5_module_files.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++cmake_qt5_module_files.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+ 
+ # We are generating cmake files. Most developers of Qt are not aware of cmake,
+ # so we require automatic tests to be available. The only module which should
+diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+index 55c74aad66..0bbc8718eb 100644
+--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+@@ -9,30 +9,6 @@ if (CMAKE_VERSION VERSION_LESS 3.0.0)
+ endif()
+ !!ENDIF
+ 
+-!!IF !isEmpty(CMAKE_USR_MOVE_WORKAROUND)
+-!!IF !isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ELSE
+-get_filename_component(_IMPORT_PREFIX \"${CMAKE_CURRENT_LIST_FILE}\" PATH)
+-# Use original install prefix when loaded through a
+-# cross-prefix symbolic link such as /lib -> /usr/lib.
+-get_filename_component(_realCurr \"${_IMPORT_PREFIX}\" REALPATH)
+-get_filename_component(_realOrig \"$$CMAKE_INSTALL_LIBS_DIR/cmake/Qt5$${CMAKE_MODULE_NAME}\" REALPATH)
+-if(_realCurr STREQUAL _realOrig)
+-    get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$CMAKE_INSTALL_LIBS_DIR/$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}\" ABSOLUTE)
+-else()
+-    get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-endif()
+-unset(_realOrig)
+-unset(_realCurr)
+-unset(_IMPORT_PREFIX)
+-!!ENDIF
+-!!ELIF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-!!ELSE
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ENDIF
+-
+ !!IF !equals(TEMPLATE, aux)
+ # For backwards compatibility only. Use Qt5$${CMAKE_MODULE_NAME}_VERSION instead.
+ set(Qt5$${CMAKE_MODULE_NAME}_VERSION_STRING "$$eval(QT.$${MODULE}.VERSION)")
+@@ -58,11 +34,7 @@ endmacro()
+ macro(_populate_$${CMAKE_MODULE_NAME}_target_properties Configuration LIB_LOCATION IMPLIB_LOCATION)
+     set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ENDIF
+     _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+     set_target_properties(Qt5::$${CMAKE_MODULE_NAME} PROPERTIES
+         \"INTERFACE_LINK_LIBRARIES\" \"${_Qt5$${CMAKE_MODULE_NAME}_LIB_DEPENDENCIES}\"
+@@ -75,11 +47,7 @@ macro(_populate_$${CMAKE_MODULE_NAME}_target_properties Configuration LIB_LOCATI
+     )
+ 
+ !!IF !isEmpty(CMAKE_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_implib \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ELSE
+     set(imported_implib \"IMPORTED_IMPLIB_${Configuration}\" \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ENDIF
+     _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_implib})
+     if(NOT \"${IMPLIB_LOCATION}\" STREQUAL \"\")
+         set_target_properties(Qt5::$${CMAKE_MODULE_NAME} PROPERTIES
+@@ -95,24 +63,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !no_module_headers
+ !!IF !isEmpty(CMAKE_BUILD_IS_FRAMEWORK)
+     set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS
+-      \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework\"
+-      \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Headers\"
++      \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework\"
++      \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Headers\"
+     )
+ !!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/\"
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+-    )
+-!!ELSE
+-    set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+-!!ENDIF
+-!!ELSE
+-!!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+-    set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR\" \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}\")
+-!!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+-    set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION\"
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION/$${MODULE_INCNAME}\"
++        \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/\"
++        \"$${CMAKE_LIB_DIR}Qt$${CMAKE_MODULE_NAME}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+     )
+ !!ELSE
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+@@ -128,7 +85,6 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+ !!ENDIF
+ !!ENDIF
+-!!ENDIF
+ !!IF !isEmpty(CMAKE_ADD_SOURCE_INCLUDE_DIRS)
+     include(\"${CMAKE_CURRENT_LIST_DIR}/ExtraSourceIncludes.cmake\" OPTIONAL)
+ !!ENDIF
+@@ -280,25 +236,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_DEBUG_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+     if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" \"\" )
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+     if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ELSE
+         \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ENDIF
+       AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE
+         \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+     endif()
+@@ -317,25 +261,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_RELEASE_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+     if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" \"\" )
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+     if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ELSE
+         \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ENDIF
+       AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE
+         \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+     endif()
+@@ -354,11 +286,7 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+     macro(_populate_$${CMAKE_MODULE_NAME}_plugin_properties Plugin Configuration PLUGIN_LOCATION)
+         set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-!!IF isEmpty(CMAKE_PLUGIN_DIR_IS_ABSOLUTE)
+-        set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ELSE
+         set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ENDIF
+         _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+         set_target_properties(Qt5::${Plugin} PROPERTIES
+             \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff --git a/mkspecs/features/mac/default_post.prf b/mkspecs/features/mac/default_post.prf
+index e645ba5803..a0e5c68b7e 100644
+--- a/mkspecs/features/mac/default_post.prf
++++ b/mkspecs/features/mac/default_post.prf
+@@ -24,166 +24,3 @@ qt {
+         }
+     }
+ }
+-
+-# Add the same default rpaths as Xcode does for new projects.
+-# This is especially important for iOS/tvOS/watchOS where no other option is possible.
+-!no_default_rpath {
+-    QMAKE_RPATHDIR += @executable_path/Frameworks
+-    equals(TEMPLATE, lib):!plugin:lib_bundle: QMAKE_RPATHDIR += @loader_path/Frameworks
+-}
+-
+-# Don't pass -headerpad_max_install_names when using Bitcode.
+-# In that case the linker emits a warning stating that the flag is ignored when
+-# used with bitcode, for reasons that cannot be determined (rdar://problem/20748962).
+-# Using this flag is also unnecessary in practice on UIKit platforms since they
+-# are sandboxed, and only UIKit platforms support bitcode to begin with.
+-!bitcode: QMAKE_LFLAGS += $$QMAKE_LFLAGS_HEADERPAD
+-
+-app_extension_api_only {
+-    QMAKE_CFLAGS              += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_CXXFLAGS            += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_CXXFLAGS_PRECOMPILE += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_LFLAGS              += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-}
+-
+-macx-xcode {
+-    !isEmpty(QMAKE_XCODE_DEBUG_INFORMATION_FORMAT) {
+-        debug_information_format.name = DEBUG_INFORMATION_FORMAT
+-        debug_information_format.value = $$QMAKE_XCODE_DEBUG_INFORMATION_FORMAT
+-        debug_information_format.build = debug
+-        QMAKE_MAC_XCODE_SETTINGS += debug_information_format
+-    }
+-
+-    QMAKE_XCODE_ARCHS =
+-
+-    arch_device.name = "ARCHS[sdk=$${device.sdk}*]"
+-    arch_device.value = $$QMAKE_APPLE_DEVICE_ARCHS
+-    QMAKE_XCODE_ARCHS += $$QMAKE_APPLE_DEVICE_ARCHS
+-    QMAKE_MAC_XCODE_SETTINGS += arch_device
+-
+-    simulator {
+-        arch_simulator.name = "ARCHS[sdk=$${simulator.sdk}*]"
+-        arch_simulator.value = $$QMAKE_APPLE_SIMULATOR_ARCHS
+-        QMAKE_XCODE_ARCHS += $$QMAKE_APPLE_SIMULATOR_ARCHS
+-        QMAKE_MAC_XCODE_SETTINGS += arch_simulator
+-    }
+-
+-    only_active_arch.name = ONLY_ACTIVE_ARCH
+-    only_active_arch.value = YES
+-    only_active_arch.build = debug
+-    QMAKE_MAC_XCODE_SETTINGS += only_active_arch
+-} else {
+-    device|!simulator: VALID_DEVICE_ARCHS = $$QMAKE_APPLE_DEVICE_ARCHS
+-    simulator: VALID_SIMULATOR_ARCHS = $$QMAKE_APPLE_SIMULATOR_ARCHS
+-    VALID_ARCHS = $$VALID_DEVICE_ARCHS $$VALID_SIMULATOR_ARCHS
+-
+-    isEmpty(VALID_ARCHS): \
+-        error("QMAKE_APPLE_DEVICE_ARCHS or QMAKE_APPLE_SIMULATOR_ARCHS must contain at least one architecture")
+-
+-    single_arch: VALID_ARCHS = $$first(VALID_ARCHS)
+-
+-    ACTIVE_ARCHS = $(filter $(EXPORT_VALID_ARCHS), $(ARCHS))
+-    ARCH_ARGS = $(foreach arch, $(if $(EXPORT_ACTIVE_ARCHS), $(EXPORT_ACTIVE_ARCHS), $(EXPORT_VALID_ARCHS)), -arch $(arch))
+-
+-    QMAKE_EXTRA_VARIABLES += VALID_ARCHS ACTIVE_ARCHS ARCH_ARGS
+-
+-    arch_flags = $(EXPORT_ARCH_ARGS)
+-
+-    QMAKE_CFLAGS += $$arch_flags
+-    QMAKE_CXXFLAGS += $$arch_flags
+-    QMAKE_LFLAGS += $$arch_flags
+-
+-    QMAKE_PCH_ARCHS = $$VALID_ARCHS
+-
+-    macos: deployment_target = $$QMAKE_MACOSX_DEPLOYMENT_TARGET
+-    ios: deployment_target = $$QMAKE_IOS_DEPLOYMENT_TARGET
+-    tvos: deployment_target = $$QMAKE_TVOS_DEPLOYMENT_TARGET
+-    watchos: deployment_target = $$QMAKE_WATCHOS_DEPLOYMENT_TARGET
+-
+-    # If we're doing a simulator and device build, device and simulator
+-    # architectures use different paths and flags for the sysroot and
+-    # deployment target switch, so we must multiplex them across multiple
+-    # architectures using -Xarch. Otherwise we fall back to the simple path.
+-    # This is not strictly necessary, but results in cleaner command lines
+-    # and makes it easier for people to override EXPORT_VALID_ARCHS to limit
+-    # individual rules to a different set of architecture(s) from the overall
+-    # build (such as machtest in QtCore).
+-    simulator:device {
+-        QMAKE_XARCH_CFLAGS =
+-        QMAKE_XARCH_LFLAGS =
+-        QMAKE_EXTRA_VARIABLES += QMAKE_XARCH_CFLAGS QMAKE_XARCH_LFLAGS
+-
+-        for (arch, VALID_ARCHS) {
+-            contains(VALID_SIMULATOR_ARCHS, $$arch) {
+-                sdk = $$simulator.sdk
+-                version_identifier = $$simulator.deployment_identifier
+-            } else {
+-                sdk = $$device.sdk
+-                version_identifier = $$device.deployment_identifier
+-            }
+-
+-            version_min_flags = \
+-                -Xarch_$${arch} \
+-                -m$${version_identifier}-version-min=$$deployment_target
+-            QMAKE_XARCH_CFLAGS_$${arch} = $$version_min_flags \
+-                -Xarch_$${arch} \
+-                -isysroot$$xcodeSDKInfo(Path, $$sdk)
+-            QMAKE_XARCH_LFLAGS_$${arch} = $$version_min_flags \
+-                -Xarch_$${arch} \
+-                -Wl,-syslibroot,$$xcodeSDKInfo(Path, $$sdk)
+-
+-            QMAKE_XARCH_CFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS_$${arch})
+-            QMAKE_XARCH_LFLAGS += $(EXPORT_QMAKE_XARCH_LFLAGS_$${arch})
+-
+-            QMAKE_EXTRA_VARIABLES += \
+-                QMAKE_XARCH_CFLAGS_$${arch} \
+-                QMAKE_XARCH_LFLAGS_$${arch}
+-        }
+-
+-        QMAKE_CFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS)
+-        QMAKE_CXXFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS)
+-        QMAKE_LFLAGS += $(EXPORT_QMAKE_XARCH_LFLAGS)
+-    } else {
+-        simulator: \
+-            version_identifier = $$simulator.deployment_identifier
+-        else: \
+-            version_identifier = $$device.deployment_identifier
+-        version_min_flag = -m$${version_identifier}-version-min=$$deployment_target
+-        QMAKE_CFLAGS += -isysroot $$QMAKE_MAC_SDK_PATH $$version_min_flag
+-        QMAKE_CXXFLAGS += -isysroot $$QMAKE_MAC_SDK_PATH $$version_min_flag
+-        QMAKE_LFLAGS += -Wl,-syslibroot,$$QMAKE_MAC_SDK_PATH $$version_min_flag
+-    }
+-
+-    # Enable precompiled headers for multiple architectures
+-    QMAKE_CFLAGS_USE_PRECOMPILE =
+-    for (arch, VALID_ARCHS) {
+-        icc_pch_style: \
+-            use_flag = "-pch-use "
+-        else: \
+-            use_flag = -include
+-
+-        # Only use Xarch with multi-arch, as the option confuses ccache
+-        count(VALID_ARCHS, 1, greaterThan): \
+-            QMAKE_CFLAGS_USE_PRECOMPILE += \
+-                -Xarch_$${arch}
+-
+-        QMAKE_CFLAGS_USE_PRECOMPILE += \
+-            $${use_flag}${QMAKE_PCH_OUTPUT_$${arch}}
+-    }
+-    icc_pch_style {
+-        QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE -include ${QMAKE_PCH_INPUT}
+-        QMAKE_CFLAGS_USE_PRECOMPILE =
+-    } else {
+-        QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-        QMAKE_OBJCFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-        QMAKE_OBJCXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-    }
+-
+-    QMAKE_PCH_OUTPUT_EXT = _${QMAKE_PCH_ARCH}$${QMAKE_PCH_OUTPUT_EXT}
+-}
+-
+-cache(QMAKE_XCODE_DEVELOPER_PATH, stash)
+-!isEmpty(QMAKE_XCODE_VERSION): \
+-    cache(QMAKE_XCODE_VERSION, stash)
+-
+-QMAKE_XCODE_LIBRARY_SUFFIX = $$qtPlatformTargetSuffix()
+diff --git a/mkspecs/features/mac/default_pre.prf b/mkspecs/features/mac/default_pre.prf
+index 44636f2288..3b01424e67 100644
+--- a/mkspecs/features/mac/default_pre.prf
++++ b/mkspecs/features/mac/default_pre.prf
+@@ -1,56 +1,2 @@
+ CONFIG = asset_catalogs rez $$CONFIG
+ load(default_pre)
+-
+-isEmpty(QMAKE_XCODE_DEVELOPER_PATH) {
+-    # Get path of Xcode's Developer directory
+-    QMAKE_XCODE_DEVELOPER_PATH = $$system("/usr/bin/xcode-select --print-path 2>/dev/null")
+-    isEmpty(QMAKE_XCODE_DEVELOPER_PATH): \
+-        error("Xcode path is not set. Please use xcode-select to choose Xcode installation path.")
+-
+-    # Make sure Xcode path is valid
+-    !exists($$QMAKE_XCODE_DEVELOPER_PATH): \
+-        error("Xcode is not installed in $${QMAKE_XCODE_DEVELOPER_PATH}. Please use xcode-select to choose Xcode installation path.")
+-}
+-
+-isEmpty(QMAKE_XCODEBUILD_PATH): \
+-    QMAKE_XCODEBUILD_PATH = $$system("/usr/bin/xcrun -find xcodebuild 2>/dev/null")
+-
+-!isEmpty(QMAKE_XCODEBUILD_PATH) {
+-    # Make sure Xcode is set up properly
+-    !system("/usr/bin/xcrun xcodebuild -license check 2>/dev/null"): \
+-        error("Xcode not set up properly. You need to confirm the license agreement by running 'sudo xcrun xcodebuild -license accept'.")
+-
+-    isEmpty(QMAKE_XCODE_VERSION) {
+-        # Extract Xcode version using xcodebuild
+-        xcode_version = $$system("/usr/bin/xcrun xcodebuild -version")
+-        QMAKE_XCODE_VERSION = $$member(xcode_version, 1)
+-        isEmpty(QMAKE_XCODE_VERSION): error("Could not resolve Xcode version.")
+-        unset(xcode_version)
+-    }
+-}
+-
+-isEmpty(QMAKE_TARGET_BUNDLE_PREFIX) {
+-    QMAKE_XCODE_PREFERENCES_FILE = $$(HOME)/Library/Preferences/com.apple.dt.Xcode.plist
+-    exists($$QMAKE_XCODE_PREFERENCES_FILE): \
+-        QMAKE_TARGET_BUNDLE_PREFIX = $$system("/usr/libexec/PlistBuddy -c 'print IDETemplateOptions:bundleIdentifierPrefix' $$QMAKE_XCODE_PREFERENCES_FILE 2>/dev/null")
+-
+-    !isEmpty(_QMAKE_CACHE_):!isEmpty(QMAKE_TARGET_BUNDLE_PREFIX): \
+-        cache(QMAKE_TARGET_BUNDLE_PREFIX)
+-}
+-
+-QMAKE_ASSET_CATALOGS_APP_ICON = AppIcon
+-
+-# Make the default debug info format for static debug builds
+-# DWARF instead of DWARF with dSYM. This cuts down build times
+-# for application debug builds significantly, as Xcode doesn't
+-# have to pull out all the DWARF info from the Qt static libs
+-# and put it into a dSYM file. We don't need that dSYM file in
+-# the first place, since the information is available in the
+-# object files inside the archives (static libraries).
+-macx-xcode:qtConfig(static): \
+-    QMAKE_XCODE_DEBUG_INFORMATION_FORMAT = dwarf
+-
+-# This variable is used by the xcode_dynamic_library_suffix
+-# feature, which allows Xcode to choose the Qt libraries to link to
+-# at build time, depending on the current Xcode SDK and configuration.
+-QMAKE_XCODE_LIBRARY_SUFFIX_SETTING = QT_LIBRARY_SUFFIX
+diff --git a/mkspecs/features/mac/sdk.prf b/mkspecs/features/mac/sdk.prf
+index 3f6dc076ca..e69de29bb2 100644
+--- a/mkspecs/features/mac/sdk.prf
++++ b/mkspecs/features/mac/sdk.prf
+@@ -1,58 +0,0 @@
+-
+-isEmpty(QMAKE_MAC_SDK): \
+-    error("QMAKE_MAC_SDK must be set when using CONFIG += sdk.")
+-
+-contains(QMAKE_MAC_SDK, .*/.*): \
+-    error("QMAKE_MAC_SDK can only contain short-form SDK names (eg. macosx, iphoneos)")
+-
+-defineReplace(xcodeSDKInfo) {
+-    info = $$1
+-    equals(info, "Path"): \
+-        info = --show-sdk-path
+-    equals(info, "PlatformPath"): \
+-        info = --show-sdk-platform-path
+-    equals(info, "SDKVersion"): \
+-        info = --show-sdk-version
+-    sdk = $$2
+-    isEmpty(sdk): \
+-        sdk = $$QMAKE_MAC_SDK
+-
+-    isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}) {
+-        QMAKE_MAC_SDK.$${sdk}.$${info} = $$system("/usr/bin/xcrun --sdk $$sdk $$info 2>/dev/null")
+-        # --show-sdk-platform-path won't work for Command Line Tools; this is fine
+-        # only used by the XCTest backend to testlib
+-        isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}):if(!isEmpty(QMAKE_XCODEBUILD_PATH)|!equals(info, "--show-sdk-platform-path")): \
+-            error("Could not resolve SDK $$info for \'$$sdk\'")
+-        cache(QMAKE_MAC_SDK.$${sdk}.$${info}, set stash, QMAKE_MAC_SDK.$${sdk}.$${info})
+-    }
+-
+-    return($$eval(QMAKE_MAC_SDK.$${sdk}.$${info}))
+-}
+-
+-QMAKE_MAC_SDK_PATH = $$xcodeSDKInfo(Path)
+-QMAKE_MAC_SDK_PLATFORM_PATH = $$xcodeSDKInfo(PlatformPath)
+-QMAKE_MAC_SDK_VERSION = $$xcodeSDKInfo(SDKVersion)
+-
+-sysrootified =
+-for(val, QMAKE_INCDIR_OPENGL): sysrootified += $${QMAKE_MAC_SDK_PATH}$$val
+-QMAKE_INCDIR_OPENGL = $$sysrootified
+-
+-QMAKESPEC_NAME = $$basename(QMAKESPEC)
+-
+-# Resolve SDK version of various tools
+-for(tool, $$list(QMAKE_CC QMAKE_CXX QMAKE_FIX_RPATH QMAKE_AR QMAKE_RANLIB QMAKE_LINK QMAKE_LINK_SHLIB QMAKE_ACTOOL)) {
+-    tool_variable = QMAKE_MAC_SDK.$${QMAKESPEC_NAME}.$${QMAKE_MAC_SDK}.$${tool}
+-    !isEmpty($$tool_variable) {
+-        $$tool = $$eval($$tool_variable)
+-        next()
+-    }
+-
+-    value = $$eval($$tool)
+-    isEmpty(value): next()
+-
+-    sysrooted = $$system("/usr/bin/xcrun -sdk $$QMAKE_MAC_SDK -find $$first(value) 2>/dev/null")
+-    isEmpty(sysrooted): next()
+-
+-    $$tool = $$sysrooted $$member(value, 1, -1)
+-    cache($$tool_variable, set stash, $$tool)
+-}
+diff --git a/mkspecs/features/qml_module.prf b/mkspecs/features/qml_module.prf
+index 4db0040dc5..65d6da1f4d 100644
+--- a/mkspecs/features/qml_module.prf
++++ b/mkspecs/features/qml_module.prf
+@@ -23,13 +23,8 @@ for(qmlf, AUX_QML_FILES): fq_aux_qml_files += $$absolute_path($$qmlf, $$_PRO_FIL
+ 
+ load(qt_build_paths)
+ 
+-qml1_target {
+-    DESTDIR = $$MODULE_BASE_OUTDIR/imports/$$TARGETPATH
+-    instbase = $$[QT_INSTALL_IMPORTS]
+-} else {
+-    DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
+-    instbase = $$[QT_INSTALL_QML]
+-}
++DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
++instbase = $$NIX_OUTPUT_QML
+ 
+ !qml1_target:static: CONFIG += builtin_resources
+ 
+diff --git a/mkspecs/features/qml_plugin.prf b/mkspecs/features/qml_plugin.prf
+index d49f4c49c1..097dcd7d39 100644
+--- a/mkspecs/features/qml_plugin.prf
++++ b/mkspecs/features/qml_plugin.prf
+@@ -48,13 +48,8 @@ exists($$QMLTYPEFILE): AUX_QML_FILES += $$QMLTYPEFILE
+ 
+ load(qt_build_paths)
+ 
+-qml1_target {
+-    DESTDIR = $$MODULE_BASE_OUTDIR/imports/$$TARGETPATH
+-    instbase = $$[QT_INSTALL_IMPORTS]
+-} else {
+-    DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
+-    instbase = $$[QT_INSTALL_QML]
+-}
++DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
++instbase = $$NIX_OUTPUT_QML
+ 
+ target.path = $$instbase/$$TARGETPATH
+ INSTALLS += target
+diff --git a/mkspecs/features/qt_app.prf b/mkspecs/features/qt_app.prf
+index 883f8ca215..81db8eb2d4 100644
+--- a/mkspecs/features/qt_app.prf
++++ b/mkspecs/features/qt_app.prf
+@@ -33,7 +33,7 @@ host_build:force_bootstrap {
+     target.path = $$[QT_HOST_BINS]
+ } else {
+     !build_pass:qtConfig(debug_and_release): CONFIG += release
+-    target.path = $$[QT_INSTALL_BINS]
++    target.path = $$NIX_OUTPUT_BIN/bin
+     CONFIG += relative_qt_rpath  # Qt's tools and apps should be relocatable
+ }
+ INSTALLS += target
+diff --git a/mkspecs/features/qt_build_paths.prf b/mkspecs/features/qt_build_paths.prf
+index 1848f00e90..2af93675c5 100644
+--- a/mkspecs/features/qt_build_paths.prf
++++ b/mkspecs/features/qt_build_paths.prf
+@@ -23,6 +23,6 @@ exists($$MODULE_BASE_INDIR/.git): \
+ !force_independent {
+     # If the module is not built independently, everything ends up in qtbase.
+     # This is the case in non-prefix builds, except for selected modules.
+-    MODULE_BASE_OUTDIR = $$[QT_HOST_PREFIX]
+-    MODULE_QMAKE_OUTDIR = $$[QT_HOST_PREFIX]
++    MODULE_BASE_OUTDIR = $$NIX_OUTPUT_OUT
++    MODULE_QMAKE_OUTDIR = $$NIX_OUTPUT_OUT
+ }
+diff --git a/mkspecs/features/qt_common.prf b/mkspecs/features/qt_common.prf
+index fb96d1b6a0..508ed17d30 100644
+--- a/mkspecs/features/qt_common.prf
++++ b/mkspecs/features/qt_common.prf
+@@ -32,8 +32,8 @@ contains(TEMPLATE, .*lib) {
+         qqt_libdir = \$\$\$\$[QT_HOST_LIBS]
+         qt_libdir = $$[QT_HOST_LIBS]
+     } else {
+-        qqt_libdir = \$\$\$\$[QT_INSTALL_LIBS]
+-        qt_libdir = $$[QT_INSTALL_LIBS]
++        qqt_libdir = \$\$\$\$NIX_OUTPUT_OUT/lib
++        qt_libdir = $$NIX_OUTPUT_OUT/lib
+     }
+     contains(QMAKE_DEFAULT_LIBDIRS, $$qt_libdir) {
+         lib_replace.match = "[^ ']*$$rplbase/lib"
+diff --git a/mkspecs/features/qt_docs.prf b/mkspecs/features/qt_docs.prf
+index 72dde61a40..f891a2baed 100644
+--- a/mkspecs/features/qt_docs.prf
++++ b/mkspecs/features/qt_docs.prf
+@@ -45,7 +45,7 @@ QMAKE_DOCS_OUTPUTDIR = $$QMAKE_DOCS_BASE_OUTDIR/$$QMAKE_DOCS_TARGETDIR
+ 
+ QDOC += -outputdir $$shell_quote($$QMAKE_DOCS_OUTPUTDIR)
+ !build_online_docs: \
+-    QDOC += -installdir $$shell_quote($$[QT_INSTALL_DOCS])
++    QDOC += -installdir $$shell_quote($$NIX_OUTPUT_DOC)
+ PREP_DOC_INDEXES =
+ DOC_INDEXES =
+ !isEmpty(QTREPOS) {
+@@ -64,8 +64,8 @@ DOC_INDEXES =
+         DOC_INDEXES += -indexdir $$shell_quote($$qrep/doc)
+ } else {
+     prepare_docs: \
+-        PREP_DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
+-    DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
++        PREP_DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
++    DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
+ }
+ 
+ qtattributionsscanner.target = qtattributionsscanner
+@@ -88,12 +88,12 @@ prepare_docs {
+     qch_docs.commands = $$QHELPGENERATOR $$shell_quote($$QMAKE_DOCS_OUTPUTDIR/$${QMAKE_DOCS_TARGET}.qhp) -o $$shell_quote($$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch)
+ 
+     inst_html_docs.files = $$QMAKE_DOCS_OUTPUTDIR
+-    inst_html_docs.path = $$[QT_INSTALL_DOCS]
++    inst_html_docs.path = $$NIX_OUTPUT_DOC
+     inst_html_docs.CONFIG += no_check_exist directory no_default_install no_build
+     INSTALLS += inst_html_docs
+ 
+     inst_qch_docs.files = $$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch
+-    inst_qch_docs.path = $$[QT_INSTALL_DOCS]
++    inst_qch_docs.path = $$NIX_OUTPUT_DOC
+     inst_qch_docs.CONFIG += no_check_exist no_default_install no_build
+     INSTALLS += inst_qch_docs
+ 
+diff --git a/mkspecs/features/qt_example_installs.prf b/mkspecs/features/qt_example_installs.prf
+index 668669e4cd..eb4840a0aa 100644
+--- a/mkspecs/features/qt_example_installs.prf
++++ b/mkspecs/features/qt_example_installs.prf
+@@ -82,7 +82,7 @@ sourcefiles += \
+     $$SOURCES $$HEADERS $$FORMS $$RESOURCES $$TRANSLATIONS \
+     $$DBUS_ADAPTORS $$DBUS_INTERFACES
+ addInstallFiles(sources.files, $$sourcefiles)
+-sources.path = $$[QT_INSTALL_EXAMPLES]/$$probase
++sources.path = $$NIX_OUTPUT_DEV/share/examples/$$probase
+ INSTALLS += sources
+ 
+ check_examples {
+diff --git a/mkspecs/features/qt_functions.prf b/mkspecs/features/qt_functions.prf
+index 1903e509c8..ae7b585989 100644
+--- a/mkspecs/features/qt_functions.prf
++++ b/mkspecs/features/qt_functions.prf
+@@ -69,7 +69,7 @@ defineTest(qtHaveModule) {
+ defineTest(qtPrepareTool) {
+     cmd = $$eval(QT_TOOL.$${2}.binary)
+     isEmpty(cmd) {
+-        cmd = $$[QT_HOST_BINS]/$$2
++        cmd = $$system("command -v $$2")
+         exists($${cmd}.pl) {
+             $${1}_EXE = $${cmd}.pl
+             cmd = perl -w $$system_path($${cmd}.pl)
+diff --git a/mkspecs/features/qt_installs.prf b/mkspecs/features/qt_installs.prf
+index 0d3dfb6b93..5f935b4424 100644
+--- a/mkspecs/features/qt_installs.prf
++++ b/mkspecs/features/qt_installs.prf
+@@ -12,16 +12,10 @@
+ #library
+ !qt_no_install_library {
+     win32 {
+-       host_build: \
+-           dlltarget.path = $$[QT_HOST_BINS]
+-       else: \
+-           dlltarget.path = $$[QT_INSTALL_BINS]
++        dlltarget.path = $$NIX_OUTPUT_BIN/bin
+        INSTALLS += dlltarget
+     }
+-    host_build: \
+-        target.path = $$[QT_HOST_LIBS]
+-    else: \
+-        target.path = $$[QT_INSTALL_LIBS]
++    target.path = $$NIX_OUTPUT_OUT/lib
+     !static: target.CONFIG = no_dll
+     INSTALLS += target
+ }
+@@ -29,33 +23,33 @@
+ #headers
+ qt_install_headers {
+     class_headers.files = $$SYNCQT.HEADER_CLASSES
+-    class_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++    class_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+     INSTALLS += class_headers
+ 
+     targ_headers.files = $$SYNCQT.HEADER_FILES
+-    targ_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++    targ_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+     INSTALLS += targ_headers
+ 
+     private_headers.files = $$SYNCQT.PRIVATE_HEADER_FILES $$SYNCQT.INJECTED_PRIVATE_HEADER_FILES
+-    private_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
++    private_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
+     INSTALLS += private_headers
+ 
+     qpa_headers.files = $$SYNCQT.QPA_HEADER_FILES
+-    qpa_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
++    qpa_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
+     INSTALLS += qpa_headers
+ }
+ 
+ #module
+ qt_install_module {
+     !isEmpty(MODULE_PRI) {
+-        pritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++        pritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+         pritarget.files = $$MODULE_PRI
+         INSTALLS += pritarget
+     } else: isEmpty(MODULE_PRIVATE_PRI) {
+         warning("Project $$basename(_PRO_FILE_) is a module, but has not defined MODULE_PRI, which is required for Qt to expose the module to other projects.")
+     }
+     !isEmpty(MODULE_PRIVATE_PRI) {
+-        privpritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++        privpritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+         privpritarget.files = $$MODULE_PRIVATE_PRI
+         INSTALLS += privpritarget
+     }
+diff --git a/mkspecs/features/qt_plugin.prf b/mkspecs/features/qt_plugin.prf
+index 62e1b69fde..abd63123f9 100644
+--- a/mkspecs/features/qt_plugin.prf
++++ b/mkspecs/features/qt_plugin.prf
+@@ -88,7 +88,7 @@ CONFIG(static, static|shared)|prefix_build {
+     }
+ }
+ 
+-target.path = $$[QT_INSTALL_PLUGINS]/$$PLUGIN_TYPE
++target.path = $$NIX_OUTPUT_PLUGIN/$$PLUGIN_TYPE
+ INSTALLS += target
+ 
+ TARGET = $$qt5LibraryTarget($$TARGET)
+diff --git a/src/corelib/Qt5CoreConfigExtras.cmake.in b/src/corelib/Qt5CoreConfigExtras.cmake.in
+index 545b9a3d1e..6ac0cdefe4 100644
+--- a/src/corelib/Qt5CoreConfigExtras.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtras.cmake.in
+@@ -3,7 +3,7 @@ if (NOT TARGET Qt5::qmake)
+     add_executable(Qt5::qmake IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -18,7 +18,7 @@ if (NOT TARGET Qt5::moc)
+     add_executable(Qt5::moc IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -35,7 +35,7 @@ if (NOT TARGET Qt5::rcc)
+     add_executable(Qt5::rcc IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -133,7 +133,7 @@ if (NOT TARGET Qt5::WinMain)
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+     set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ENDIF
+@@ -147,7 +147,7 @@ if (NOT TARGET Qt5::WinMain)
+     set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+ 
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ENDIF
+diff --git a/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in b/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
+index c357237d0e..6f0c75de3c 100644
+--- a/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
+@@ -1,6 +1,6 @@
+ 
+ !!IF isEmpty(CMAKE_HOST_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_HOST_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff --git a/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in b/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
+index 706304cf34..546420f6ad 100644
+--- a/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
+@@ -1,6 +1,6 @@
+ 
+ !!IF isEmpty(CMAKE_INSTALL_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_INSTALL_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
+index cba279c184..5ae3fd62e5 100644
+--- a/src/corelib/kernel/qcoreapplication.cpp
++++ b/src/corelib/kernel/qcoreapplication.cpp
+@@ -2533,6 +2533,15 @@ QStringList QCoreApplication::libraryPaths()
+         QStringList *app_libpaths = new QStringList;
+         coreappdata()->app_libpaths.reset(app_libpaths);
+ 
++        // Add library paths derived from PATH
++        const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(':');
++        const QString plugindir = QStringLiteral("../" NIXPKGS_QT_PLUGIN_PREFIX);
++        for (const QString &path: paths) {
++            if (!path.isEmpty()) {
++                app_libpaths->append(QDir::cleanPath(path + QDir::separator() + plugindir));
++            }
++        }
++
+         const QByteArray libPathEnv = qgetenv("QT_PLUGIN_PATH");
+         if (!libPathEnv.isEmpty()) {
+             QStringList paths = QFile::decodeName(libPathEnv).split(QDir::listSeparator(), QString::SkipEmptyParts);
+diff --git a/src/corelib/tools/qtimezoneprivate_tz.cpp b/src/corelib/tools/qtimezoneprivate_tz.cpp
+index 4fdc2e36ac..d3ec222543 100644
+--- a/src/corelib/tools/qtimezoneprivate_tz.cpp
++++ b/src/corelib/tools/qtimezoneprivate_tz.cpp
+@@ -70,7 +70,11 @@ typedef QHash<QByteArray, QTzTimeZone> QTzTimeZoneHash;
+ // Parse zone.tab table, assume lists all installed zones, if not will need to read directories
+ static QTzTimeZoneHash loadTzTimeZones()
+ {
+-    QString path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
++    // Try TZDIR first, in case we're running on NixOS.
++    QString path = QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/zone.tab");
++    // Fallback to traditional paths in case we are not on NixOS.
++    if (!QFile::exists(path))
++        path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
+     if (!QFile::exists(path))
+         path = QStringLiteral("/usr/lib/zoneinfo/zone.tab");
+ 
+@@ -645,12 +649,16 @@ void QTzTimeZonePrivate::init(const QByteArray &ianaId)
+         if (!tzif.open(QIODevice::ReadOnly))
+             return;
+     } else {
+-        // Open named tz, try modern path first, if fails try legacy path
+-        tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++        // Try TZDIR first, in case we're running on NixOS
++        tzif.setFileName(QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/") + QString::fromLocal8Bit(ianaId));
+         if (!tzif.open(QIODevice::ReadOnly)) {
+-            tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
+-            if (!tzif.open(QIODevice::ReadOnly))
+-                return;
++            // Open named tz, try modern path first, if fails try legacy path
++            tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++            if (!tzif.open(QIODevice::ReadOnly)) {
++                tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++                if (!tzif.open(QIODevice::ReadOnly))
++                    return;
++            }
+         }
+     }
+ 
+diff --git a/src/dbus/Qt5DBusConfigExtras.cmake.in b/src/dbus/Qt5DBusConfigExtras.cmake.in
+index 1d947159e2..b36865fc48 100644
+--- a/src/dbus/Qt5DBusConfigExtras.cmake.in
++++ b/src/dbus/Qt5DBusConfigExtras.cmake.in
+@@ -2,11 +2,7 @@
+ if (NOT TARGET Qt5::qdbuscpp2xml)
+     add_executable(Qt5::qdbuscpp2xml IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+-    set(imported_location \"$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+     _qt5_DBus_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qdbuscpp2xml PROPERTIES
+@@ -17,11 +13,7 @@ endif()
+ if (NOT TARGET Qt5::qdbusxml2cpp)
+     add_executable(Qt5::qdbusxml2cpp IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+-    set(imported_location \"$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+     _qt5_DBus_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qdbusxml2cpp PROPERTIES
+diff --git a/src/gui/Qt5GuiConfigExtras.cmake.in b/src/gui/Qt5GuiConfigExtras.cmake.in
+index 07869efd7d..fb4183bada 100644
+--- a/src/gui/Qt5GuiConfigExtras.cmake.in
++++ b/src/gui/Qt5GuiConfigExtras.cmake.in
+@@ -2,7 +2,7 @@
+ !!IF !isEmpty(CMAKE_ANGLE_EGL_DLL_RELEASE)
+ 
+ !!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+-set(Qt5Gui_EGL_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR/QtANGLE\")
++set(Qt5Gui_EGL_INCLUDE_DIRS \"$$NIX_OUTPUT_DEV/$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ELSE
+ set(Qt5Gui_EGL_INCLUDE_DIRS \"$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ENDIF
+@@ -17,13 +17,13 @@ macro(_populate_qt5gui_gl_target_properties TargetName Configuration LIB_LOCATIO
+     set_property(TARGET Qt5::${TargetName} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+ !!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Gui_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
++    set(imported_location \"$$NIX_OUTPUT_OUT/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ENDIF
+ 
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_implib \"${_qt5Gui_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
++    set(imported_implib \"$$NIX_OUTPUT_OUT/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ELSE
+     set(imported_implib \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ENDIF
+diff --git a/src/network/kernel/qdnslookup_unix.cpp b/src/network/kernel/qdnslookup_unix.cpp
+index 1da00813ce..0bf877afcb 100644
+--- a/src/network/kernel/qdnslookup_unix.cpp
++++ b/src/network/kernel/qdnslookup_unix.cpp
+@@ -92,7 +92,7 @@ static bool resolveLibraryInternal()
+     if (!lib.load())
+ #endif
+     {
+-        lib.setFileName(QLatin1String("resolv"));
++        lib.setFileName(QLatin1String(NIXPKGS_LIBRESOLV));
+         if (!lib.load())
+             return false;
+     }
+diff --git a/src/network/kernel/qhostinfo_unix.cpp b/src/network/kernel/qhostinfo_unix.cpp
+index 9a24938284..74962b4ae2 100644
+--- a/src/network/kernel/qhostinfo_unix.cpp
++++ b/src/network/kernel/qhostinfo_unix.cpp
+@@ -102,7 +102,7 @@ static bool resolveLibraryInternal()
+     if (!lib.load())
+ #endif
+     {
+-        lib.setFileName(QLatin1String("resolv"));
++        lib.setFileName(QLatin1String(NIXPKGS_LIBRESOLV));
+         if (!lib.load())
+             return false;
+     }
+diff --git a/src/network/ssl/qsslcontext_openssl.cpp b/src/network/ssl/qsslcontext_openssl.cpp
+index c92d8fc3f8..6008063bcf 100644
+--- a/src/network/ssl/qsslcontext_openssl.cpp
++++ b/src/network/ssl/qsslcontext_openssl.cpp
+@@ -351,7 +351,7 @@ init_context:
+ 
+     const QVector<QSslEllipticCurve> qcurves = sslContext->sslConfiguration.ellipticCurves();
+     if (!qcurves.isEmpty()) {
+-#if OPENSSL_VERSION_NUMBER >= 0x10002000L && !defined(OPENSSL_NO_EC)
++#if OPENSSL_VERSION_NUMBER >= 0x10002000L && defined(SSL_CTRL_SET_CURVES) && !defined(OPENSSL_NO_EC)
+         // Set the curves to be used
+         if (q_SSLeay() >= 0x10002000L) {
+             // SSL_CTX_ctrl wants a non-const pointer as last argument,
+@@ -364,7 +364,7 @@ init_context:
+                 sslContext->errorCode = QSslError::UnspecifiedError;
+             }
+         } else
+-#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L && !defined(OPENSSL_NO_EC)
++#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L && defined(SSL_CTRL_SET_CURVES) && !defined(OPENSSL_NO_EC)
+         {
+             // specific curves requested, but not possible to set -> error
+             sslContext->errorStr = msgErrorSettingEllipticCurves(QSslSocket::tr("OpenSSL version too old, need at least v1.0.2"));
+diff --git a/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp b/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp
+index b5a0a5bbeb..6c20305f4d 100644
+--- a/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp
++++ b/src/plugins/platforminputcontexts/compose/generator/qtablegenerator.cpp
+@@ -265,12 +265,9 @@ void TableGenerator::initPossibleLocations()
+     m_possibleLocations.reserve(7);
+     if (qEnvironmentVariableIsSet("QTCOMPOSE"))
+         m_possibleLocations.append(QString::fromLocal8Bit(qgetenv("QTCOMPOSE")));
+-    m_possibleLocations.append(QStringLiteral("/usr/share/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/local/share/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/lib/X11/locale"));
+-    m_possibleLocations.append(QStringLiteral("/usr/local/lib/X11/locale"));
+     m_possibleLocations.append(QStringLiteral(X11_PREFIX "/share/X11/locale"));
+     m_possibleLocations.append(QStringLiteral(X11_PREFIX "/lib/X11/locale"));
++    m_possibleLocations.append(QLatin1String(NIXPKGS_QTCOMPOSE));
+ }
+ 
+ QString TableGenerator::findComposeFile()
+diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
+index e2e573f0e1..1c8289f81e 100644
+--- a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
++++ b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
+@@ -580,7 +580,14 @@ QFunctionPointer QGLXContext::getProcAddress(const char *procName)
+ #if QT_CONFIG(library)
+                 extern const QString qt_gl_library_name();
+ //                QLibrary lib(qt_gl_library_name());
++                // Check system library paths first
+                 QLibrary lib(QLatin1String("GL"));
++#ifdef NIXPKGS_MESA_GL
++                if (!lib.load()) {
++                    // Fallback to Mesa driver
++                    lib.setFileName(QLatin1String(NIXPKGS_MESA_GL));
++                }
++#endif // NIXPKGS_MESA_GL
+                 glXGetProcAddressARB = (qt_glXGetProcAddressARB) lib.resolve("glXGetProcAddressARB");
+ #endif
+             }
+diff --git a/src/plugins/platforms/xcb/qxcbcursor.cpp b/src/plugins/platforms/xcb/qxcbcursor.cpp
+index 7c62c2e2b3..fefa40e0f6 100644
+--- a/src/plugins/platforms/xcb/qxcbcursor.cpp
++++ b/src/plugins/platforms/xcb/qxcbcursor.cpp
+@@ -311,10 +311,10 @@ QXcbCursor::QXcbCursor(QXcbConnection *conn, QXcbScreen *screen)
+ #if QT_CONFIG(xcb_xlib) && QT_CONFIG(library)
+     static bool function_ptrs_not_initialized = true;
+     if (function_ptrs_not_initialized) {
+-        QLibrary xcursorLib(QLatin1String("Xcursor"), 1);
++        QLibrary xcursorLib(QLatin1String(NIXPKGS_LIBXCURSOR), 1);
+         bool xcursorFound = xcursorLib.load();
+         if (!xcursorFound) { // try without the version number
+-            xcursorLib.setFileName(QLatin1String("Xcursor"));
++            xcursorLib.setFileName(QLatin1String(NIXPKGS_LIBXCURSOR));
+             xcursorFound = xcursorLib.load();
+         }
+         if (xcursorFound) {
+diff --git a/src/plugins/platformthemes/gtk3/main.cpp b/src/plugins/platformthemes/gtk3/main.cpp
+index c4cd66c33b..b6f2691587 100644
+--- a/src/plugins/platformthemes/gtk3/main.cpp
++++ b/src/plugins/platformthemes/gtk3/main.cpp
+@@ -39,6 +39,7 @@
+ 
+ #include <qpa/qplatformthemeplugin.h>
+ #include "qgtk3theme.h"
++#include <QFile>
+ 
+ QT_BEGIN_NAMESPACE
+ 
+@@ -54,8 +55,22 @@ public:
+ QPlatformTheme *QGtk3ThemePlugin::create(const QString &key, const QStringList &params)
+ {
+     Q_UNUSED(params);
+-    if (!key.compare(QLatin1String(QGtk3Theme::name), Qt::CaseInsensitive))
++    if (!key.compare(QLatin1String(QGtk3Theme::name), Qt::CaseInsensitive)) {
++
++#ifdef NIXPKGS_QGTK3_XDG_DATA_DIRS
++        QStringList XDG_DATA_DIRS = QFile::decodeName(qgetenv("XDG_DATA_DIRS")).split(':');
++        XDG_DATA_DIRS << QLatin1String(NIXPKGS_QGTK3_XDG_DATA_DIRS);
++        qputenv("XDG_DATA_DIRS", QFile::encodeName(XDG_DATA_DIRS.join(':')));
++#endif
++
++#ifdef NIXPKGS_QGTK3_GIO_EXTRA_MODULES
++        QStringList GIO_EXTRA_MODULES = QFile::decodeName(qgetenv("GIO_EXTRA_MODULES")).split(':');
++        GIO_EXTRA_MODULES << QLatin1String(NIXPKGS_QGTK3_GIO_EXTRA_MODULES);
++        qputenv("GIO_EXTRA_MODULES", QFile::encodeName(GIO_EXTRA_MODULES.join(':')));
++#endif
++
+         return new QGtk3Theme;
++    }
+ 
+     return 0;
+ }
+diff --git a/src/testlib/qtestassert.h b/src/testlib/qtestassert.h
+index 6498ea84ef..d821ced7fc 100644
+--- a/src/testlib/qtestassert.h
++++ b/src/testlib/qtestassert.h
+@@ -44,10 +44,13 @@
+ 
+ QT_BEGIN_NAMESPACE
+ 
+-
++#if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS)
++#define QTEST_ASSERT(cond) do { } while ((false) && (cond))
++#define QTEST_ASSERT_X(cond, where, what) do { } while ((false) && (cond))
++#else
+ #define QTEST_ASSERT(cond) do { if (!(cond)) qt_assert(#cond,__FILE__,__LINE__); } while (false)
+-
+ #define QTEST_ASSERT_X(cond, where, what) do { if (!(cond)) qt_assert_x(where, what,__FILE__,__LINE__); } while (false)
++#endif
+ 
+ QT_END_NAMESPACE
+ 
+diff --git a/src/widgets/Qt5WidgetsConfigExtras.cmake.in b/src/widgets/Qt5WidgetsConfigExtras.cmake.in
+index 99d87e2e46..a4eab2aa72 100644
+--- a/src/widgets/Qt5WidgetsConfigExtras.cmake.in
++++ b/src/widgets/Qt5WidgetsConfigExtras.cmake.in
+@@ -3,7 +3,7 @@ if (NOT TARGET Qt5::uic)
+     add_executable(Qt5::uic IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Widgets_install_prefix}/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtdeclarative.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtdeclarative.patch
new file mode 100644
index 000000000000..bb1bbbeb05e0
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtdeclarative.patch
@@ -0,0 +1,33 @@
+diff --git a/src/qml/qml/qqmlimport.cpp b/src/qml/qml/qqmlimport.cpp
+index ee5b38717..bbccef8c4 100644
+--- a/src/qml/qml/qqmlimport.cpp
++++ b/src/qml/qml/qqmlimport.cpp
+@@ -1678,6 +1678,15 @@ QQmlImportDatabase::QQmlImportDatabase(QQmlEngine *e)
+     QString installImportsPath =  QLibraryInfo::location(QLibraryInfo::Qml2ImportsPath);
+     addImportPath(installImportsPath);
+ 
++    // Add import paths derived from PATH
++    const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(':');
++    const QString qmldir = QStringLiteral("../" NIXPKGS_QML2_IMPORT_PREFIX);
++    for (const QString &path: paths) {
++        if (!path.isEmpty()) {
++            addImportPath(QDir::cleanPath(path + QDir::separator() + qmldir));
++        }
++    }
++
+     // env import paths
+     if (Q_UNLIKELY(!qEnvironmentVariableIsEmpty("QML2_IMPORT_PATH"))) {
+         const QByteArray envImportPath = qgetenv("QML2_IMPORT_PATH");
+diff --git a/tools/qmlcachegen/qmlcache.prf b/tools/qmlcachegen/qmlcache.prf
+index 330da358b..cdf570205 100644
+--- a/tools/qmlcachegen/qmlcache.prf
++++ b/tools/qmlcachegen/qmlcache.prf
+@@ -44,7 +44,7 @@ defineReplace(qmlCacheOutputFileName) {
+ }
+ 
+ qmlcacheinst.base = $$QMLCACHE_DESTDIR
+-qmlcacheinst.path = $$[QT_INSTALL_QML]/$$TARGETPATH
++qmlcacheinst.path = $$NIX_OUTPUT_QML/$$TARGETPATH
+ qmlcacheinst.CONFIG = no_check_exist
+ 
+ qmlcachegen.input = CACHEGEN_FILES
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtscript.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtscript.patch
new file mode 100644
index 000000000000..5508dec1280e
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtscript.patch
@@ -0,0 +1,13 @@
+diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
+index 1f6d25e..087c3fb 100644
+--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
++++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
+@@ -81,7 +81,7 @@
+ #include <pthread.h>
+ #elif PLATFORM(GTK)
+ #include <wtf/gtk/GOwnPtr.h>
+-typedef struct _GMutex GMutex;
++typedef union _GMutex GMutex;
+ typedef struct _GCond GCond;
+ #endif
+ 
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtserialport.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtserialport.patch
new file mode 100644
index 000000000000..f25524e80bcf
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtserialport.patch
@@ -0,0 +1,22 @@
+diff --git a/src/serialport/qtudev_p.h b/src/serialport/qtudev_p.h
+index af2dab2..8e17f64 100644
+--- a/src/serialport/qtudev_p.h
++++ b/src/serialport/qtudev_p.h
+@@ -111,9 +111,17 @@ inline QFunctionPointer resolveSymbol(QLibrary *udevLibrary, const char *symbolN
+ inline bool resolveSymbols(QLibrary *udevLibrary)
+ {
+     if (!udevLibrary->isLoaded()) {
++#ifdef NIXPKGS_LIBUDEV
++        udevLibrary->setFileNameAndVersion(QLatin1String(NIXPKGS_LIBUDEV), 1);
++#else
+         udevLibrary->setFileNameAndVersion(QStringLiteral("udev"), 1);
++#endif
+         if (!udevLibrary->load()) {
++#ifdef NIXPKGS_LIBUDEV
++            udevLibrary->setFileNameAndVersion(QLatin1String(NIXPKGS_LIBUDEV), 0);
++#else
+             udevLibrary->setFileNameAndVersion(QStringLiteral("udev"), 0);
++#endif
+             if (!udevLibrary->load()) {
+                 qWarning("Failed to load the library: %s, supported version(s): %i and %i", qPrintable(udevLibrary->fileName()), 1, 0);
+                 return false;
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/qttools.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qttools.patch
new file mode 100644
index 000000000000..fbba439ef7a5
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qttools.patch
@@ -0,0 +1,71 @@
+diff --git a/src/assistant/help/Qt5HelpConfigExtras.cmake.in b/src/assistant/help/Qt5HelpConfigExtras.cmake.in
+index 3b97923a..63336bd5 100644
+--- a/src/assistant/help/Qt5HelpConfigExtras.cmake.in
++++ b/src/assistant/help/Qt5HelpConfigExtras.cmake.in
+@@ -2,11 +2,10 @@
+ if (NOT TARGET Qt5::qcollectiongenerator)
+     add_executable(Qt5::qcollectiongenerator IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Help_install_prefix}/$${CMAKE_BIN_DIR}qcollectiongenerator$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}qcollectiongenerator$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    if(NOT EXISTS \"${imported_location}\")
++        set(imported_location \"$${CMAKE_BIN_DIR}qcollectiongenerator$$CMAKE_BIN_SUFFIX\")
++    endif()
+     _qt5_Help_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qcollectiongenerator PROPERTIES
+@@ -17,11 +16,7 @@ endif()
+ if (NOT TARGET Qt5::qhelpgenerator)
+     add_executable(Qt5::qhelpgenerator IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Help_install_prefix}/$${CMAKE_BIN_DIR}qhelpgenerator$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}qhelpgenerator$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
+     _qt5_Help_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qhelpgenerator PROPERTIES
+diff --git a/src/linguist/Qt5LinguistToolsConfig.cmake.in b/src/linguist/Qt5LinguistToolsConfig.cmake.in
+index 4318b16f..d60db4ff 100644
+--- a/src/linguist/Qt5LinguistToolsConfig.cmake.in
++++ b/src/linguist/Qt5LinguistToolsConfig.cmake.in
+@@ -44,11 +44,7 @@ endmacro()
+ if (NOT TARGET Qt5::lrelease)
+     add_executable(Qt5::lrelease IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5_linguisttools_install_prefix}/$${CMAKE_BIN_DIR}lrelease$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}lrelease$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
+     _qt5_LinguistTools_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::lrelease PROPERTIES
+@@ -59,11 +55,7 @@ endif()
+ if (NOT TARGET Qt5::lupdate)
+     add_executable(Qt5::lupdate IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5_linguisttools_install_prefix}/$${CMAKE_BIN_DIR}lupdate$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}lupdate$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
+     _qt5_LinguistTools_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::lupdate PROPERTIES
+@@ -74,11 +66,7 @@ endif()
+ if (NOT TARGET Qt5::lconvert)
+     add_executable(Qt5::lconvert IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5_linguisttools_install_prefix}/$${CMAKE_BIN_DIR}lconvert$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}lconvert$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
+     _qt5_LinguistTools_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::lconvert PROPERTIES
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-clang-fix.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-clang-fix.patch
new file mode 100644
index 000000000000..cf082cddd11a
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-clang-fix.patch
@@ -0,0 +1,38 @@
+Fix a following build error:
+
+In file included from ../../3rdparty/chromium/device/bluetooth/bluetooth_remote_gatt_characteristic_mac.mm:7:
+In file included from ../../3rdparty/chromium/base/bind.h:8:
+../../3rdparty/chromium/base/bind_internal.h:214:31: error: cannot initialize a parameter of type 'NSError *' with an lvalue of type 'const long'
+    return (receiver.*method)(std::forward<RunArgs>(args)...);
+                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~
+../../3rdparty/chromium/base/bind_internal.h:285:20: note: in instantiation of function template specialization 'base::internal::FunctorTraits<void (device::BluetoothRemoteGat
+tCharacteristicMac::*)(NSError *), void>::Invoke<device::BluetoothRemoteGattCharacteristicMac *, const long &>' requested here
+    return Traits::Invoke(std::forward<Functor>(functor),
+                   ^
+../../3rdparty/chromium/base/bind_internal.h:361:43: note: in instantiation of function template specialization 'base::internal::InvokeHelper<false, void>::MakeItSo<void (devi
+ce::BluetoothRemoteGattCharacteristicMac::*const &)(NSError *), device::BluetoothRemoteGattCharacteristicMac *, const long &>' requested here
+    return InvokeHelper<is_weak_call, R>::MakeItSo(
+                                          ^
+../../3rdparty/chromium/base/bind_internal.h:339:12: note: in instantiation of function template specialization 'base::internal::Invoker<base::internal::BindState<void (device::BluetoothRemoteGattCharacteristicMac::*)(NSError *), base::internal::UnretainedWrapper<device::BluetoothRemoteGattCharacteristicMac>, long>, void ()>::RunImpl<void (device::BluetoothRemoteGattCharacteristicMac::*const &)(NSError *), const std::__1::tuple<base::internal::UnretainedWrapper<device::BluetoothRemoteGattCharacteristicMac>, long> &, 0, 1>' requested here
+    return RunImpl(storage->functor_,
+           ^
+../../3rdparty/chromium/base/bind.h:62:45: note: in instantiation of member function 'base::internal::Invoker<base::internal::BindState<void (device::BluetoothRemoteGattCharacteristicMac::*)(NSError *), base::internal::UnretainedWrapper<device::BluetoothRemoteGattCharacteristicMac>, long>, void ()>::Run' requested here
+  PolymorphicInvoke invoke_func = &Invoker::Run;
+                                            ^
+../../3rdparty/chromium/base/bind.h:77:10: note: in instantiation of function template specialization 'base::BindRepeating<void (device::BluetoothRemoteGattCharacteristicMac::*)(NSError *), base::internal::UnretainedWrapper<device::BluetoothRemoteGattCharacteristicMac>, long>' requested here
+  return BindRepeating(std::forward<Functor>(functor),
+         ^
+../../3rdparty/chromium/device/bluetooth/bluetooth_remote_gatt_characteristic_mac.mm:241:15: note: in instantiation of function template specialization 'base::Bind<void (device::BluetoothRemoteGattCharacteristicMac::*)(NSError *), base::internal::UnretainedWrapper<device::BluetoothRemoteGattCharacteristicMac>, long>' requested here
+        base::Bind(&BluetoothRemoteGattCharacteristicMac::DidWriteValue,
+
+--- a/src/3rdparty/chromium/device/bluetooth/bluetooth_remote_gatt_characteristic_mac.mm
++++ b/src/3rdparty/chromium/device/bluetooth/bluetooth_remote_gatt_characteristic_mac.mm
+@@ -239,7 +239,7 @@ void BluetoothRemoteGattCharacteristicMac::WriteRemoteCharacteristic(
+     base::ThreadTaskRunnerHandle::Get()->PostTask(
+         FROM_HERE,
+         base::Bind(&BluetoothRemoteGattCharacteristicMac::DidWriteValue,
+-                   base::Unretained(this), nil));
++                   base::Unretained(this), nullptr));
+   }
+ }
+ 
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-darwin-no-platform-check.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-darwin-no-platform-check.patch
new file mode 100644
index 000000000000..7156c41c5ec1
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-darwin-no-platform-check.patch
@@ -0,0 +1,50 @@
+diff --git a/mkspecs/features/configure.prf b/mkspecs/features/configure.prf
+--- a/mkspecs/features/configure.prf
++++ b/mkspecs/features/configure.prf
+@@ -194,9 +194,6 @@ defineTest(runConfigure) {
+         } else {
+             log("Native Spellchecker .............. Not enabled         (Default, enable with WEBENGINE_CONFIG+=use_native_spellchecker)$${EOL}")
+         }
+-        !isMinOSXSDKVersion(10, 10, 3) {
+-            log("  Force Touch API usage .............. Not enabled         (Because the OS X SDK version to be used \"$${WEBENGINE_OSX_SDK_PRODUCT_VERSION}\" is lower than the required \"10.10.3\")$${EOL}")
+-        }
+     }
+ }
+ 
+diff --git a/mkspecs/features/functions.prf b/mkspecs/features/functions.prf
+--- a/mkspecs/features/functions.prf
++++ b/mkspecs/features/functions.prf
+@@ -38,10 +38,6 @@ defineTest(isPlatformSupported) {
+       return(false)
+     }
+   } else:osx {
+-    !isMinXcodeVersion(5, 1) {
+-      skipBuild("Using XCode version $$QMAKE_XCODE_VERSION, but at least version 5.1 is required to build Qt WebEngine.")
+-      return(false)
+-    }
+     !clang|intel_icc {
+         skipBuild("Qt WebEngine on macOS requires Clang.")
+         return(false)
+@@ -52,10 +48,6 @@ defineTest(isPlatformSupported) {
+       skipBuild("Qt WebEngine requires OS X version 10.10 or newer.")
+       return(false)
+     }
+-    !isMinOSXSDKVersion(10, 10): {
+-      skipBuild("Qt WebEngine requires an OS X SDK version of 10.10 or newer. Current version is $${WEBENGINE_OSX_SDK_PRODUCT_VERSION}.")
+-      return(false)
+-    }
+   } else {
+     skipBuild("Unknown platform. Qt WebEngine only supports Linux, Windows, and OS X.")
+     return(false)
+diff --git a/src/core/config/mac_osx.pri b/src/core/config/mac_osx.pri
+--- a/src/core/config/mac_osx.pri
++++ b/src/core/config/mac_osx.pri
+@@ -5,8 +5,6 @@ load(functions)
+ # otherwise query for it.
+ QMAKE_MAC_SDK_VERSION = $$eval(QMAKE_MAC_SDK.$${QMAKE_MAC_SDK}.SDKVersion)
+ isEmpty(QMAKE_MAC_SDK_VERSION) {
+-     QMAKE_MAC_SDK_VERSION = $$system("/usr/bin/xcodebuild -sdk $${QMAKE_MAC_SDK} -version SDKVersion 2>/dev/null")
+-     isEmpty(QMAKE_MAC_SDK_VERSION): error("Could not resolve SDK version for \'$${QMAKE_MAC_SDK}\'")
+ }
+ 
+ QMAKE_CLANG_DIR = "/usr"
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-no-build-skip.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-no-build-skip.patch
new file mode 100644
index 000000000000..f332d5e1bb2b
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebengine-no-build-skip.patch
@@ -0,0 +1,12 @@
+diff --git a/qtwebengine.pro b/qtwebengine.pro
+--- a/qtwebengine.pro
++++ b/qtwebengine.pro
+@@ -5,7 +5,7 @@ runConfigure()
+ 
+ !isEmpty(skipBuildReason) {
+     SUBDIRS =
+-    log($${skipBuildReason}$${EOL})
++    error($${skipBuildReason}$${EOL})
+     log(QtWebEngine will not be built.$${EOL})
+ }
+ 
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebkit.patch b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebkit.patch
new file mode 100644
index 000000000000..718bda361943
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/qtwebkit.patch
@@ -0,0 +1,64 @@
+diff --git a/Source/WebCore/plugins/qt/PluginPackageQt.cpp b/Source/WebCore/plugins/qt/PluginPackageQt.cpp
+index a923d49aa..46772a4bb 100644
+--- a/Source/WebCore/plugins/qt/PluginPackageQt.cpp
++++ b/Source/WebCore/plugins/qt/PluginPackageQt.cpp
+@@ -136,7 +136,11 @@ static void initializeGtk(QLibrary* module = 0)
+         }
+     }
+ 
++#ifdef NIXPKGS_LIBGTK2
++    QLibrary library(QLatin1String(NIXPKGS_LIBGTK2), 0);
++#else
+     QLibrary library(QLatin1String("libgtk-x11-2.0"), 0);
++#endif
+     if (library.load()) {
+         typedef void *(*gtk_init_check_ptr)(int*, char***);
+         gtk_init_check_ptr gtkInitCheck = (gtk_init_check_ptr)library.resolve("gtk_init_check");
+diff --git a/Source/WebCore/plugins/qt/PluginViewQt.cpp b/Source/WebCore/plugins/qt/PluginViewQt.cpp
+index de06a2fea..86fe39ef1 100644
+--- a/Source/WebCore/plugins/qt/PluginViewQt.cpp
++++ b/Source/WebCore/plugins/qt/PluginViewQt.cpp
+@@ -697,7 +697,11 @@ static Display *getPluginDisplay()
+     // support gdk based plugins (like flash) that use a different X connection.
+     // The code below has the same effect as this one:
+     // Display *gdkDisplay = gdk_x11_display_get_xdisplay(gdk_display_get_default());
++#ifdef NIXPKGS_LIBGDK2
++    QLibrary library(QLatin1String(NIXPKGS_LIBGDK2), 0);
++#else
+     QLibrary library(QLatin1String("libgdk-x11-2.0"), 0);
++#endif
+     if (!library.load())
+         return 0;
+ 
+diff --git a/Source/WebKit2/PluginProcess/qt/PluginProcessMainQt.cpp b/Source/WebKit2/PluginProcess/qt/PluginProcessMainQt.cpp
+index 8de65216b..38f5c05e5 100644
+--- a/Source/WebKit2/PluginProcess/qt/PluginProcessMainQt.cpp
++++ b/Source/WebKit2/PluginProcess/qt/PluginProcessMainQt.cpp
+@@ -53,7 +53,11 @@ static void messageHandler(QtMsgType type, const QMessageLogContext&, const QStr
+ 
+ static bool initializeGtk()
+ {
++#ifdef NIXPKGS_LIBGTK2
++    QLibrary gtkLibrary(QLatin1String(NIXPKGS_LIBGTK2), 0);
++#else
+     QLibrary gtkLibrary(QLatin1String("libgtk-x11-2.0"), 0);
++#endif
+     if (!gtkLibrary.load())
+         return false;
+     typedef void* (*gtk_init_ptr)(void*, void*);
+diff --git a/Source/WebKit2/WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp b/Source/WebKit2/WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp
+index d734ff684..0f6ff63d1 100644
+--- a/Source/WebKit2/WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp
++++ b/Source/WebKit2/WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp
+@@ -64,7 +64,11 @@ static Display* getPluginDisplay()
+     // The code below has the same effect as this one:
+     // Display *gdkDisplay = gdk_x11_display_get_xdisplay(gdk_display_get_default());
+ 
++#ifdef NIXPKGS_LIBGDK2
++    QLibrary library(QLatin1String(NIXPKGS_LIBGDK2), 0);
++#else
+     QLibrary library(QLatin1String("libgdk-x11-2.0"), 0);
++#endif
+     if (!library.load())
+         return 0;
+ 
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/5.9/srcs.nix b/nixpkgs/pkgs/development/libraries/qt-5/5.9/srcs.nix
new file mode 100644
index 000000000000..09b6293daebc
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/5.9/srcs.nix
@@ -0,0 +1,333 @@
+# DO NOT EDIT! This file is generated automatically by fetch-kde-qt.sh
+{ fetchurl, mirror }:
+
+{
+  qt3d = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qt3d-opensource-src-5.9.7.tar.xz";
+      sha256 = "0skdp72jlfy97cw9lpa3l2ivs6f5x9w53978sf2xbkl9k1ai268l";
+      name = "qt3d-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtactiveqt = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtactiveqt-opensource-src-5.9.7.tar.xz";
+      sha256 = "01yp0railyc80ldvpiy36lpsdk26rs8vfp78xca9jy1glm4cmaik";
+      name = "qtactiveqt-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtandroidextras = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtandroidextras-opensource-src-5.9.7.tar.xz";
+      sha256 = "1bl05hr0zm23z7qig3kxhzyvm440wfrjfgsxvpmlvk9pbb8h2q63";
+      name = "qtandroidextras-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtbase = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtbase-opensource-src-5.9.7.tar.xz";
+      sha256 = "004gs95ig51jv2wz64kwzl4rvqqzs4rln3kqmzjs3sh6y1s9bp9n";
+      name = "qtbase-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtcanvas3d = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtcanvas3d-opensource-src-5.9.7.tar.xz";
+      sha256 = "131zwqddjns7cpkdbr33jahqgvnw6f8gdcr1b2hmadi0p2shrcwq";
+      name = "qtcanvas3d-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtcharts = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtcharts-opensource-src-5.9.7.tar.xz";
+      sha256 = "1rkj4lkpgdqk4ygxivkj7gc8mlccb5sgi9mfr0xwvq5j85r3dk8n";
+      name = "qtcharts-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtconnectivity = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtconnectivity-opensource-src-5.9.7.tar.xz";
+      sha256 = "0f7g2lfnfgsjka7y5hdf0lbzpfxlxh8bfhdxix44cwlmwzjizy3l";
+      name = "qtconnectivity-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtdatavis3d = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtdatavis3d-opensource-src-5.9.7.tar.xz";
+      sha256 = "08anm8byxcym7h1n49j3cbxkh3kh3xjlxd3b8vi8fxyqqhvll4lv";
+      name = "qtdatavis3d-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtdeclarative = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtdeclarative-opensource-src-5.9.7.tar.xz";
+      sha256 = "0p26c96fb33khbf7ws91ha73n72lwmn714v8spg0bla9m1jkfhk8";
+      name = "qtdeclarative-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtdoc = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtdoc-opensource-src-5.9.7.tar.xz";
+      sha256 = "1vs6dy0mdcn65fhpl8nib0pjw9bliqkjnaahqm833ayvxr15vzyj";
+      name = "qtdoc-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtgamepad = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtgamepad-opensource-src-5.9.7.tar.xz";
+      sha256 = "0242683h9jz6b0n11s4m4ii2691dbws0gkj45n6sx6z513blfx9f";
+      name = "qtgamepad-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtgraphicaleffects = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtgraphicaleffects-opensource-src-5.9.7.tar.xz";
+      sha256 = "1yhxa3i3jvfnc9l6a3q3pyk7y702a3pp87ypshb63607xvrxrv2d";
+      name = "qtgraphicaleffects-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtimageformats = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtimageformats-opensource-src-5.9.7.tar.xz";
+      sha256 = "1an0k3rzxjc4x4rscnibdk36zff6g1n41lh5dasys4jc05k3w1b2";
+      name = "qtimageformats-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtlocation = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtlocation-opensource-src-5.9.7.tar.xz";
+      sha256 = "0lp6zn630px1lj7623shq47dlv02nr0aj7iqscrk0yzhygbv7dc2";
+      name = "qtlocation-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtmacextras = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtmacextras-opensource-src-5.9.7.tar.xz";
+      sha256 = "0b0znccbach41la226cmps9aaigpz8mj940xj890arjf8hn4jd97";
+      name = "qtmacextras-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtmultimedia = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtmultimedia-opensource-src-5.9.7.tar.xz";
+      sha256 = "060gic3gl27r7k4vw4n550384b4wadqfn3biajbq6lbyj3zhgxxx";
+      name = "qtmultimedia-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtnetworkauth = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtnetworkauth-opensource-src-5.9.7.tar.xz";
+      sha256 = "14n8wzsyq7bw67r1k442widfvszawgi5sh0b10h2jcrp5aikqr0p";
+      name = "qtnetworkauth-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtpurchasing = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtpurchasing-opensource-src-5.9.7.tar.xz";
+      sha256 = "1qvxsi0ar04qy0zajbhvwj5blldhfq2mn3laq15g0xxy1xh4m46i";
+      name = "qtpurchasing-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtquickcontrols = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtquickcontrols-opensource-src-5.9.7.tar.xz";
+      sha256 = "1jkz2b2wzxzmskvwwb4afqxz0yp0siaf3yhj2i01y865sp6q1wz0";
+      name = "qtquickcontrols-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtquickcontrols2 = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtquickcontrols2-opensource-src-5.9.7.tar.xz";
+      sha256 = "0w9rq77a8vc9avhbwbx7swg7zw7jn21wd7si59822rw9ln1p6zb0";
+      name = "qtquickcontrols2-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtremoteobjects = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtremoteobjects-opensource-src-5.9.7.tar.xz";
+      sha256 = "1ninscf4jkframv585zzi76fml1lyz0mhb091r2r54lrf66wl3lw";
+      name = "qtremoteobjects-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtscript = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtscript-opensource-src-5.9.7.tar.xz";
+      sha256 = "0mv33a1mjaahq7ixfasvjasc881bprfbkjhx8pn3z5f0l8213m67";
+      name = "qtscript-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtscxml = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtscxml-opensource-src-5.9.7.tar.xz";
+      sha256 = "0xz2q2bl1n43gxx00nrzyc0bsnq4wch0k2rkj3prc9gsgmpq0bih";
+      name = "qtscxml-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtsensors = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtsensors-opensource-src-5.9.7.tar.xz";
+      sha256 = "0pfh4lr9zxsh9winzx1lmcgl2hgp9lr45smcvslr4an93z6mbf8r";
+      name = "qtsensors-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtserialbus = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtserialbus-opensource-src-5.9.7.tar.xz";
+      sha256 = "0n6z56axm0gbrxmnwbz8fv40ar9mw1rlfvmpqvpg5xb9031qil1b";
+      name = "qtserialbus-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtserialport = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtserialport-opensource-src-5.9.7.tar.xz";
+      sha256 = "05qy4m1p5j5bh6af7d97iblsmgy9kppm5wif3bl63p6yghn319sh";
+      name = "qtserialport-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtspeech = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtspeech-opensource-src-5.9.7.tar.xz";
+      sha256 = "0nnbqnh18vw26vphancs38vjr816xha8m6wl389kjqi01kjrcz70";
+      name = "qtspeech-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtsvg = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtsvg-opensource-src-5.9.7.tar.xz";
+      sha256 = "0r2mqy6lb2ypmilf83zyp73v5d9ars314jfm6f0fv5if8yw253v2";
+      name = "qtsvg-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qttools = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qttools-opensource-src-5.9.7.tar.xz";
+      sha256 = "18b7jg25434p80yr929nfihk0i124bxpd2dv9mqdcicnv5q0ybnn";
+      name = "qttools-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qttranslations = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qttranslations-opensource-src-5.9.7.tar.xz";
+      sha256 = "051a3igp1qnd7d7bg2dvjaqwh6f67fvkn19jdfjzrdis7kcsfvdk";
+      name = "qttranslations-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtvirtualkeyboard = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtvirtualkeyboard-opensource-src-5.9.7.tar.xz";
+      sha256 = "1qcj6ncg53rv4pg4ijdq7vbkzgzfr9bn40aif7g4dndykj0zwla7";
+      name = "qtvirtualkeyboard-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtwayland = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtwayland-opensource-src-5.9.7.tar.xz";
+      sha256 = "0y6ky1ipg42gq390ibgr4nns9i4j648yb7bkmx6b7lhsi7mvnp2n";
+      name = "qtwayland-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtwebchannel = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtwebchannel-opensource-src-5.9.7.tar.xz";
+      sha256 = "189qkfxixddfblwkaf46yrqjp91vhmw90gpafjryqfmd2141r8qj";
+      name = "qtwebchannel-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtwebengine = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtwebengine-opensource-src-5.9.7.tar.xz";
+      sha256 = "0kzpgks5h19rm7gbhr688lr5f5d9ykf062kj91q7wf6fk7qd72v2";
+      name = "qtwebengine-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtwebkit = {
+    version = "5.9.1";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.1/submodules/qtwebkit-opensource-src-5.9.1.tar.xz";
+      sha256 = "1ksjn1vjbfhdm4y4rg08ag4krk87ahp7qcdcpwll42l0rnz61998";
+      name = "qtwebkit-opensource-src-5.9.1.tar.xz";
+    };
+  };
+  qtwebkit-examples = {
+    version = "5.9.1";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.1/submodules/qtwebkit-examples-opensource-src-5.9.1.tar.xz";
+      sha256 = "1l2l7ycgqql6rf4gx6sjhsqjapdhvy6vxaxssax3l938nkk4vkp4";
+      name = "qtwebkit-examples-opensource-src-5.9.1.tar.xz";
+    };
+  };
+  qtwebsockets = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtwebsockets-opensource-src-5.9.7.tar.xz";
+      sha256 = "1qqvd6qf7m2xq71mdaidwabj5c03cbbi1hwc7p95fvbnz9crz79x";
+      name = "qtwebsockets-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtwebview = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtwebview-opensource-src-5.9.7.tar.xz";
+      sha256 = "1zwqkmzik4f83hdffmw0hz90mzga34hkyz7d0skfbdp25y278r12";
+      name = "qtwebview-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtwinextras = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtwinextras-opensource-src-5.9.7.tar.xz";
+      sha256 = "1a57v7krglfdi4gizm402jn9pg7fqpcma7xk6sm68zg1siv11a6x";
+      name = "qtwinextras-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtx11extras = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtx11extras-opensource-src-5.9.7.tar.xz";
+      sha256 = "02jdiw94dasnkszi5w1pysfgz8xrr71pzah37nbnqg0knn4dzich";
+      name = "qtx11extras-opensource-src-5.9.7.tar.xz";
+    };
+  };
+  qtxmlpatterns = {
+    version = "5.9.7";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.9/5.9.7/submodules/qtxmlpatterns-opensource-src-5.9.7.tar.xz";
+      sha256 = "0j0rxkpyww5cgcjhy0332jsyka1d811wf6zmr16d5fdkbryp7d65";
+      name = "qtxmlpatterns-opensource-src-5.9.7.tar.xz";
+    };
+  };
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/README.md b/nixpkgs/pkgs/development/libraries/qt-5/README.md
new file mode 100644
index 000000000000..b2ef74d0aef1
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/README.md
@@ -0,0 +1,81 @@
+# Qt 5 Maintainer's Notes
+
+## Minor Updates
+
+Let `$major` be the major version number, e.g. `5.9`.
+
+1. Change the version number in the `$major/fetch.sh`.
+2. Run `./maintainers/scripts/fetch-kde-qt.sh pkgs/development/libraries/qt-5/$major`
+   from the top of the Nixpkgs tree.
+
+See below if it is necessary to update any patches.
+
+## Major Updates
+
+Let `$major` be the new major version number, e.g. `5.10`.
+
+1. Copy the subdirectory from the previous major version to `$major`.
+2. Change the version number in `$major/fetch.sh`.
+3. Run `./maintainers/scripts/fetch-kde-qt.sh pkgs/development/libraries/qt-5/$major`
+   from the top of the Nixpkgs tree.
+4. Add a top-level attribute in `pkgs/top-level/all-packages.nix` for the new
+   major version.
+5. Change the `qt5` top-level attribute to point to the new major version.
+6. If the previous major version is _not_ a long-term support release,
+   remove it from Nixpkgs.
+
+See below if it is necessary to update any patches.
+
+## Patches
+
+Nixpkgs maintains several patches for Qt which cannot be submitted upstream. To
+facilitate maintenance, a fork of the upstream repository is created for each patched module:
+
+- [qtbase](https://github.com/ttuegel/qtbase)
+- [qtwebkit](https://github.com/ttuegel/qtwebkit)
+- [qttools](https://github.com/ttuegel/qttools)
+- [qtscript](https://github.com/ttuegel/qtscript)
+- [qtserialport](https://github.com/ttuegel/qtserialport)
+- [qtdeclarative](https://github.com/ttuegel/qtdeclarative)
+- [qtwebengine](https://github.com/ttuegel/qtwebengine)
+
+In each repository, the patches are contained in a branch named `nixpkgs/$major`
+for each major version. Please make a pull request to add or update any patch
+which will be maintained in Nixpkgs.
+
+The forked repository for each module is used to create a single patch in
+Nixpkgs. To recreate the patch for module `$module` (e.g. `qtbase`) at version
+`$version` (e.g. `5.9.1`) in the branch `$major` (e.g. `5.9`),
+
+1. Clone the fork for `$module` from the list above.
+2. Checkout the active branch, `git checkout nixpkgs/$major`.
+3. Compare the patched branch to the release tag,
+   `git diff v$version > $module.patch`.
+4. Copy `$module.patch` into the Nixpkgs tree.
+
+### Minor Version Updates
+
+To update module `$module` to version `$version` from an older version in the
+same branch `$major`,
+
+1. Clone the fork for `$module` from the list above.
+2. Checkout the active branch, `git checkout nixpkgs/$major`.
+3. Merge the new version into the active branch,
+   `git merge --no-ff v$version`.
+4. Fix any conflicts.
+5. Open a pull request for the changes.
+6. Follow the instructions above to recreate the module patch in Nixpkgs.
+
+### Major Version Updates
+
+To update module `$module` from `$oldversion` in branch `$oldmajor` to version
+`$version` in branch `$major`,
+
+1. Clone the fork for `$module` from the list above.
+2. Checkout a new branch for the new major version,
+   `git checkout -b nixpkgs/$major nixpkgs/$oldmajor`.
+3. Rebase the patches from `$oldversion` onto the new branch,
+   `git rebase v$oldversion --onto v$version`.
+4. Fix any conflicts.
+5. Open a pull request for the changes.
+6. Follow the instructions above to recreate the module patch in Nixpkgs.
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/hooks/fix-qt-builtin-paths.sh b/nixpkgs/pkgs/development/libraries/qt-5/hooks/fix-qt-builtin-paths.sh
new file mode 100644
index 000000000000..4ca11a223de2
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/hooks/fix-qt-builtin-paths.sh
@@ -0,0 +1,64 @@
+# fixQtBuiltinPaths
+#
+# Usage: fixQtBuiltinPaths _dir_ _pattern_
+#
+# Fix Qt builtin paths in files matching _pattern_ under _dir_.
+#
+fixQtBuiltinPaths() {
+    local dir="$1"
+    local pattern="$2"
+    local bin="${!outputBin}"
+    local dev="${!outputDev}"
+    local doc="${!outputDoc}"
+    local lib="${!outputLib}"
+
+    if [ -d "$dir" ]; then
+        find "$dir" -name "$pattern" | while read pr_; do
+            if grep -q '\$\$\[QT_' "${pr_:?}"; then
+                echo "fixQtBuiltinPaths: Fixing Qt builtin paths in \`${pr_:?}'..."
+                sed -i "${pr_:?}" \
+                    -e "s|\\\$\\\$\\[QT_HOST_BINS[^]]*\\]|$dev/bin|g" \
+                    -e "s|\\\$\\\$\\[QT_HOST_DATA[^]]*\\]/mkspecs|$dev/mkspecs|g" \
+                    -e "s|\\\$\\\$\\[QT_HOST_PREFIX[^]]*\\]|$dev|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_ARCHDATA[^]]*\\]|$lib|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_BINS[^]]*\\]|$bin/bin|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_CONFIGURATION[^]]*\\]|$bin|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_DATA[^]]*\\]|$lib|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_DOCS[^]]*\\]|$doc/share/doc|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_EXAMPLES[^]]*\\]|$doc/examples|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_HEADERS[^]]*\\]|$dev/include|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_LIBS[^]]*\\]|$lib/lib|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_LIBEXECS[^]]*\\]|$lib/libexec|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_PLUGINS[^]]*\\]|$bin/$qtPluginPrefix|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_PREFIX[^]]*\\]|$lib|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_TESTS[^]]*\\]|$dev/tests|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_TRANSLATIONS[^]]*\\]|$lib/translations|g" \
+                    -e "s|\\\$\\\$\\[QT_INSTALL_QML[^]]*\\]|$bin/$qtQmlPrefix|g"
+            fi
+        done
+    elif [ -e "$dir" ]; then
+        if grep -q '\$\$\[QT_' "${dir:?}"; then
+            echo "fixQtBuiltinPaths: Fixing Qt builtin paths in \`${dir:?}'..."
+            sed -i "${dir:?}" \
+                -e "s|\\\$\\\$\\[QT_HOST_BINS[^]]*\\]|$dev/bin|g" \
+                -e "s|\\\$\\\$\\[QT_HOST_DATA[^]]*\\]/mkspecs|$dev/mkspecs|g" \
+                -e "s|\\\$\\\$\\[QT_HOST_PREFIX[^]]*\\]|$dev|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_ARCHDATA[^]]*\\]|$lib|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_BINS[^]]*\\]|$bin/bin|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_CONFIGURATION[^]]*\\]|$bin|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_DATA[^]]*\\]|$lib|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_DOCS[^]]*\\]|$doc/share/doc|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_EXAMPLES[^]]*\\]|$doc/examples|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_HEADERS[^]]*\\]|$dev/include|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_LIBS[^]]*\\]|$lib/lib|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_LIBEXECS[^]]*\\]|$lib/libexec|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_PLUGINS[^]]*\\]|$bin/$qtPluginPrefix|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_PREFIX[^]]*\\]|$lib|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_TESTS[^]]*\\]|$dev/tests|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_TRANSLATIONS[^]]*\\]|$lib/translations|g" \
+                -e "s|\\\$\\\$\\[QT_INSTALL_QML[^]]*\\]|$bin/$qtQmlPrefix|g"
+        fi
+    else
+        echo "fixQtBuiltinPaths: Warning: \`$dir' does not exist"
+    fi
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/hooks/fix-qt-module-paths.sh b/nixpkgs/pkgs/development/libraries/qt-5/hooks/fix-qt-module-paths.sh
new file mode 100644
index 000000000000..33682f6f3c69
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/hooks/fix-qt-module-paths.sh
@@ -0,0 +1,36 @@
+# fixQtModulePaths
+#
+# Usage: fixQtModulePaths _dir_
+#
+# Find Qt module definitions in directory _dir_ and patch the module paths.
+#
+fixQtModulePaths () {
+    local dir="$1"
+    local bin="${!outputBin}"
+    local dev="${!outputDev}"
+    local lib="${!outputLib}"
+
+    if [ -d "$dir" ]; then
+        find "$dir" -name 'qt_*.pri' | while read pr; do
+            if grep -q '\$\$QT_MODULE_' "${pr:?}"; then
+                echo "fixQtModulePaths: Fixing module paths in \`${pr:?}'..."
+                sed -i "${pr:?}" \
+                    -e "s|\\\$\\\$QT_MODULE_LIB_BASE|$lib/lib|g" \
+                    -e "s|\\\$\\\$QT_MODULE_HOST_LIB_BASE|$lib/lib|g" \
+                    -e "s|\\\$\\\$QT_MODULE_INCLUDE_BASE|$dev/include|g" \
+                    -e "s|\\\$\\\$QT_MODULE_BIN_BASE|$dev/bin|g"
+            fi
+        done
+    elif [ -e "$dir" ]; then
+        echo "fixQtModulePaths: Warning: \`$dir' is not a directory"
+    else
+        echo "fixQtModulePaths: Warning: \`$dir' does not exist"
+    fi
+
+    if [ "z$bin" != "z$dev" ]; then
+        if [ -d "$bin/bin" ]; then
+            mkdir -p "$dev/bin"
+            lndir -silent "$bin/bin" "$dev/bin"
+        fi
+    fi
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/hooks/move-qt-dev-tools.sh b/nixpkgs/pkgs/development/libraries/qt-5/hooks/move-qt-dev-tools.sh
new file mode 100644
index 000000000000..85489c85105b
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/hooks/move-qt-dev-tools.sh
@@ -0,0 +1,34 @@
+updateToolPath() {
+    local tool="$1"
+    local target="$2"
+    local original="${!outputBin}/$tool"
+    local actual="${!outputDev}/$tool"
+    if grep -q "$original" "$target"; then
+        echo "updateToolPath: Updating \`$original' in \`$target\'..."
+        sed -i "$target" -e "s|$original|$actual|"
+    fi
+}
+
+moveQtDevTools() {
+    if [ -n "$devTools" ]; then
+        for tool in $devTools; do
+            moveToOutput "$tool" "${!outputDev}"
+        done
+
+        if [ -d "${!outputDev}/mkspecs" ]; then
+            find "${!outputDev}/mkspecs" -name '*.pr?' | while read pr_; do
+                for tool in $devTools; do
+                    updateToolPath "$tool" "$pr_"
+                done
+            done
+        fi
+
+        if [ -d "${!outputDev}/lib/cmake" ]; then
+            find "${!outputDev}/lib/cmake" -name '*.cmake' | while read cmake; do
+                for tool in $devTools; do
+                    updateToolPath "$tool" "$cmake"
+                done
+            done
+        fi
+    fi
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/hooks/qmake-hook.sh b/nixpkgs/pkgs/development/libraries/qt-5/hooks/qmake-hook.sh
new file mode 100644
index 000000000000..eef2c7d24dfc
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/hooks/qmake-hook.sh
@@ -0,0 +1,23 @@
+qmakeConfigurePhase() {
+    runHook preConfigure
+
+    qmake PREFIX=$out \
+          NIX_OUTPUT_OUT=$out \
+          NIX_OUTPUT_DEV=${!outputDev} \
+          NIX_OUTPUT_BIN=${!outputBin} \
+          NIX_OUTPUT_DOC=${!outputDev}/${qtDocPrefix:?} \
+          NIX_OUTPUT_QML=${!outputBin}/${qtQmlPrefix:?} \
+          NIX_OUTPUT_PLUGIN=${!outputBin}/${qtPluginPrefix:?} \
+          $qmakeFlags
+
+    if ! [[ -v enableParallelBuilding ]]; then
+        enableParallelBuilding=1
+        echo "qmake: enabled parallel building"
+    fi
+
+    runHook postConfigure
+}
+
+if [ -z "$dontUseQmakeConfigure" -a -z "$configurePhase" ]; then
+    configurePhase=qmakeConfigurePhase
+fi
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/hooks/qtbase-setup-hook.sh b/nixpkgs/pkgs/development/libraries/qt-5/hooks/qtbase-setup-hook.sh
new file mode 100644
index 000000000000..436c2e1d032a
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/hooks/qtbase-setup-hook.sh
@@ -0,0 +1,66 @@
+qtPluginPrefix=@qtPluginPrefix@
+qtQmlPrefix=@qtQmlPrefix@
+qtDocPrefix=@qtDocPrefix@
+
+. @fix_qt_builtin_paths@
+. @fix_qt_module_paths@
+
+providesQtRuntime() {
+    [ -d "$1/$qtPluginPrefix" ] || [ -d "$1/$qtQmlPrefix" ]
+}
+
+# Build tools are often confused if QMAKE is unset.
+QMAKE=@dev@/bin/qmake
+export QMAKE
+
+QMAKEPATH=
+export QMAKEPATH
+
+QMAKEMODULES=
+export QMAKEMODULES
+
+qmakePathHook() {
+    if [ -d "$1/mkspecs" ]
+    then
+        QMAKEMODULES="${QMAKEMODULES}${QMAKEMODULES:+:}/mkspecs"
+        QMAKEPATH="${QMAKEPATH}${QMAKEPATH:+:}$1"
+    fi
+}
+envBuildHostHooks+=(qmakePathHook)
+
+# Propagate any runtime dependency of the building package.
+# Each dependency is propagated to the user environment and as a build
+# input so that it will be re-propagated to the user environment by any
+# package depending on the building package. (This is necessary in case
+# the building package does not provide runtime dependencies itself and so
+# would not be propagated to the user environment.)
+qtEnvHostTargetHook() {
+    if providesQtRuntime "$1" && [ "z${!outputBin}" != "z${!outputDev}" ]
+    then
+        propagatedBuildInputs+=" $1"
+    fi
+}
+envHostTargetHooks+=(qtEnvHostTargetHook)
+
+postPatchMkspecs() {
+    # Prevent this hook from running multiple times
+    dontPatchMkspecs=1
+
+    local bin="${!outputBin}"
+    local dev="${!outputDev}"
+    local doc="${!outputDoc}"
+    local lib="${!outputLib}"
+
+    moveToOutput "mkspecs" "$dev"
+
+    if [ -d "$dev/mkspecs/modules" ]; then
+        fixQtModulePaths "$dev/mkspecs/modules"
+    fi
+
+    if [ -d "$dev/mkspecs" ]; then
+        fixQtBuiltinPaths "$dev/mkspecs" '*.pr?'
+    fi
+}
+if [ -z "$dontPatchMkspecs" ]; then
+    postPhases="${postPhases}${postPhases:+ }postPatchMkspecs"
+fi
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/hooks/qttools-setup-hook.sh b/nixpkgs/pkgs/development/libraries/qt-5/hooks/qttools-setup-hook.sh
new file mode 100644
index 000000000000..b09cf5f46c9c
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/hooks/qttools-setup-hook.sh
@@ -0,0 +1 @@
+qmakeFlags="$qmakeFlags${qmakeFlags:+ }QMAKE_LRELEASE=@dev@/bin/lrelease"
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/hooks/wrap-qt-apps-hook.sh b/nixpkgs/pkgs/development/libraries/qt-5/hooks/wrap-qt-apps-hook.sh
new file mode 100644
index 000000000000..e7d7d1326174
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/hooks/wrap-qt-apps-hook.sh
@@ -0,0 +1,102 @@
+# Inherit arguments given in mkDerivation
+qtWrapperArgs=( $qtWrapperArgs )
+
+qtHostPathSeen=()
+
+qtUnseenHostPath() {
+    for pkg in "${qtHostPathSeen[@]}"
+    do
+        if [ "${pkg:?}" == "$1" ]
+        then
+            return 1
+        fi
+    done
+
+    qtHostPathSeen+=("$1")
+    return 0
+}
+
+qtHostPathHook() {
+    qtUnseenHostPath "$1" || return 0
+
+    local pluginDir="$1/${qtPluginPrefix:?}"
+    if [ -d "$pluginDir" ]
+    then
+        qtWrapperArgs+=(--prefix QT_PLUGIN_PATH : "$pluginDir")
+    fi
+
+    local qmlDir="$1/${qtQmlPrefix:?}"
+    if [ -d "$qmlDir" ]
+    then
+        qtWrapperArgs+=(--prefix QML2_IMPORT_PATH : "$qmlDir")
+    fi
+}
+addEnvHooks "$hostOffset" qtHostPathHook
+
+makeQtWrapper() {
+    local original="$1"
+    local wrapper="$2"
+    shift 2
+    makeWrapper "$original" "$wrapper" "${qtWrapperArgs[@]}" "$@"
+}
+
+wrapQtApp() {
+    local program="$1"
+    shift 1
+    wrapProgram "$program" "${qtWrapperArgs[@]}" "$@"
+}
+
+qtOwnPathsHook() {
+    local xdgDataDir="${!outputBin}/share"
+    if [ -d "$xdgDataDir" ]
+    then
+        qtWrapperArgs+=(--prefix XDG_DATA_DIRS : "$xdgDataDir")
+    fi
+
+    local xdgConfigDir="${!outputBin}/etc/xdg"
+    if [ -d "$xdgConfigDir" ]
+    then
+        qtWrapperArgs+=(--prefix XDG_CONFIG_DIRS : "$xdgConfigDir")
+    fi
+
+    qtHostPathHook "${!outputBin}"
+}
+
+preFixupPhases+=" qtOwnPathsHook"
+
+# Note: $qtWrapperArgs still gets defined even if $dontWrapQtApps is set.
+wrapQtAppsHook() {
+    # skip this hook when requested
+    [ -z "$dontWrapQtApps" ] || return 0
+
+    # guard against running multiple times (e.g. due to propagation)
+    [ -z "$wrapQtAppsHookHasRun" ] || return 0
+    wrapQtAppsHookHasRun=1
+
+    local targetDirs=( "$prefix/bin" "$prefix/libexec"  )
+    echo "wrapping Qt applications in ${targetDirs[@]}"
+
+    for targetDir in "${targetDirs[@]}"
+    do
+        [ -d "$targetDir" ] || continue
+
+        find "$targetDir" -executable -print0 | while IFS= read -r -d '' file
+        do
+            isELF "$file" || continue
+
+            if [ -f "$file" ]
+            then
+                echo "wrapping $file"
+                wrapQtApp "$file"
+            elif [ -h "$file" ]
+            then
+                target="$(readlink -e "$file")"
+                echo "wrapping $file -> $target"
+                rm "$file"
+                makeQtWrapper "$target" "$file"
+            fi
+        done
+    done
+}
+
+fixupOutputHooks+=(wrapQtAppsHook)
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/mkDerivation.nix b/nixpkgs/pkgs/development/libraries/qt-5/mkDerivation.nix
new file mode 100644
index 000000000000..95357c096dfd
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/mkDerivation.nix
@@ -0,0 +1,32 @@
+{ lib, debug, wrapQtAppsHook }:
+
+let inherit (lib) optional; in
+
+mkDerivation:
+
+args:
+
+let
+  args_ = {
+
+    qmakeFlags = [ ("CONFIG+=" + (if debug then "debug" else "release")) ]
+              ++ (args.qmakeFlags or []);
+
+    NIX_CFLAGS_COMPILE =
+      optional (!debug) "-DQT_NO_DEBUG"
+      ++ lib.toList (args.NIX_CFLAGS_COMPILE or []);
+
+    cmakeFlags =
+      (args.cmakeFlags or [])
+      ++ [
+        ("-DCMAKE_BUILD_TYPE=" + (if debug then "Debug" else "Release"))
+      ];
+
+    enableParallelBuilding = args.enableParallelBuilding or true;
+
+    nativeBuildInputs = (args.nativeBuildInputs or []) ++ [ wrapQtAppsHook ];
+
+  };
+in
+
+mkDerivation (args // args_)
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtbase.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtbase.nix
new file mode 100644
index 000000000000..2c300d1c2f16
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtbase.nix
@@ -0,0 +1,387 @@
+{
+  stdenv, lib,
+  src, patches, version, qtCompatVersion,
+
+  coreutils, bison, flex, gdb, gperf, lndir, perl, pkgconfig, python2,
+  which,
+  # darwin support
+  darwin, libiconv,
+
+  dbus, fontconfig, freetype, glib, harfbuzz, icu, libX11, libXcomposite,
+  libXcursor, libXext, libXi, libXrender, libinput, libjpeg, libpng, libtiff,
+  libxcb, libxkbcommon, libxml2, libxslt, openssl, pcre16, pcre2, sqlite, udev,
+  xcbutil, xcbutilimage, xcbutilkeysyms, xcbutilrenderutil, xcbutilwm,
+  zlib,
+
+  # optional dependencies
+  cups ? null, mysql ? null, postgresql ? null,
+  withGtk3 ? false, dconf ? null, gtk3 ? null,
+
+  # options
+  libGLSupported ? !stdenv.isDarwin,
+  libGL,
+  buildExamples ? false,
+  buildTests ? false,
+  developerBuild ? false,
+  decryptSslTraffic ? false
+}:
+
+assert withGtk3 -> dconf != null;
+assert withGtk3 -> gtk3 != null;
+
+let
+  compareVersion = v: builtins.compareVersions version v;
+in
+
+stdenv.mkDerivation {
+
+  name = "qtbase-${version}";
+  inherit qtCompatVersion src version;
+
+  propagatedBuildInputs =
+    [
+      libxml2 libxslt openssl sqlite zlib
+
+      # Text rendering
+      harfbuzz icu
+
+      # Image formats
+      libjpeg libpng libtiff
+      (if compareVersion "5.9.0" >= 0 then pcre2 else pcre16)
+    ]
+    ++ (
+      if stdenv.isDarwin
+      then with darwin.apple_sdk.frameworks;
+        [
+          # TODO: move to buildInputs, this should not be propagated.
+          AGL AppKit ApplicationServices Carbon Cocoa CoreAudio CoreBluetooth
+          CoreLocation CoreServices DiskArbitration Foundation OpenGL
+          darwin.libobjc libiconv MetalKit
+        ]
+      else
+        [
+          dbus glib udev
+
+          # Text rendering
+          fontconfig freetype
+
+          # X11 libs
+          libX11 libXcomposite libXext libXi libXrender libxcb libxkbcommon xcbutil
+          xcbutilimage xcbutilkeysyms xcbutilrenderutil xcbutilwm
+        ]
+        ++ lib.optional libGLSupported libGL
+    );
+
+  buildInputs =
+    lib.optionals (!stdenv.isDarwin)
+    (
+      [ libinput ]
+      ++ lib.optional withGtk3 gtk3
+    )
+    ++ lib.optional developerBuild gdb
+    ++ lib.optional (cups != null) cups
+    ++ lib.optional (mysql != null) mysql.connector-c
+    ++ lib.optional (postgresql != null) postgresql;
+
+  nativeBuildInputs =
+    [ bison flex gperf lndir perl pkgconfig python2 which ];
+
+  propagatedNativeBuildInputs = [ lndir ];
+
+  outputs = [ "bin" "dev" "out" ];
+
+  inherit patches;
+
+  fix_qt_builtin_paths = ../hooks/fix-qt-builtin-paths.sh;
+  fix_qt_module_paths = ../hooks/fix-qt-module-paths.sh;
+  preHook = ''
+    . "$fix_qt_builtin_paths"
+    . "$fix_qt_module_paths"
+    . ${../hooks/move-qt-dev-tools.sh}
+  '';
+
+  postPatch =
+    ''
+      for prf in qml_plugin.prf qt_plugin.prf qt_docs.prf qml_module.prf create_cmake.prf; do
+          substituteInPlace "mkspecs/features/$prf" \
+              --subst-var qtPluginPrefix \
+              --subst-var qtQmlPrefix \
+              --subst-var qtDocPrefix
+      done
+
+      substituteInPlace configure --replace /bin/pwd pwd
+      substituteInPlace src/corelib/global/global.pri --replace /bin/ls ${coreutils}/bin/ls
+      sed -e 's@/\(usr\|opt\)/@/var/empty/@g' -i mkspecs/*/*.conf
+
+      sed -i '/PATHS.*NO_DEFAULT_PATH/ d' src/corelib/Qt5Config.cmake.in
+      sed -i '/PATHS.*NO_DEFAULT_PATH/ d' src/corelib/Qt5CoreMacros.cmake
+      sed -i 's/NO_DEFAULT_PATH//' src/gui/Qt5GuiConfigExtras.cmake.in
+      sed -i '/PATHS.*NO_DEFAULT_PATH/ d' mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+    ''
+
+    + (
+      if stdenv.isDarwin
+      then
+        ''
+          sed -i \
+              -e 's|! /usr/bin/xcode-select --print-path >/dev/null 2>&1;|false;|' \
+              -e 's|! /usr/bin/xcrun -find xcodebuild >/dev/null 2>&1;|false;|' \
+              -e 's|sysroot=$(/usr/bin/xcodebuild -sdk $sdk -version Path 2>/dev/null)|sysroot=/nonsense|' \
+              -e 's|sysroot=$(/usr/bin/xcrun --sdk $sdk --show-sdk-path 2>/dev/null)|sysroot=/nonsense|' \
+              -e 's|QMAKE_CONF_COMPILER=`getXQMakeConf QMAKE_CXX`|QMAKE_CXX="clang++"\nQMAKE_CONF_COMPILER="clang++"|' \
+              -e 's|XCRUN=`/usr/bin/xcrun -sdk macosx clang -v 2>&1`|XCRUN="clang -v 2>&1"|' \
+              -e 's#sdk_val=$(/usr/bin/xcrun -sdk $sdk -find $(echo $val | cut -d \x27 \x27 -f 1))##' \
+              -e 's#val=$(echo $sdk_val $(echo $val | cut -s -d \x27 \x27 -f 2-))##' \
+              ./configure
+              substituteInPlace ./mkspecs/common/mac.conf \
+                  --replace "/System/Library/Frameworks/OpenGL.framework/" "${darwin.apple_sdk.frameworks.OpenGL}/Library/Frameworks/OpenGL.framework/"
+              substituteInPlace ./mkspecs/common/mac.conf \
+                  --replace "/System/Library/Frameworks/AGL.framework/" "${darwin.apple_sdk.frameworks.AGL}/Library/Frameworks/AGL.framework/"
+        ''
+        # Note on the above: \x27 is a way if including a single-quote
+        # character in the sed string arguments.
+      else
+        lib.optionalString libGLSupported
+          ''
+            sed -i mkspecs/common/linux.conf \
+                -e "/^QMAKE_INCDIR_OPENGL/ s|$|${libGL.dev or libGL}/include|" \
+                -e "/^QMAKE_LIBDIR_OPENGL/ s|$|${libGL.out}/lib|"
+          '' +
+        lib.optionalString (stdenv.hostPlatform.isx86_32 && stdenv.cc.isGNU)
+          ''
+            sed -i mkspecs/common/gcc-base-unix.conf \
+                -e "/^QMAKE_LFLAGS_SHLIB/ s/-shared/-shared -static-libgcc/"
+          ''
+    );
+
+  qtPluginPrefix = "lib/qt-${qtCompatVersion}/plugins";
+  qtQmlPrefix = "lib/qt-${qtCompatVersion}/qml";
+  qtDocPrefix = "share/doc/qt-${qtCompatVersion}";
+
+  setOutputFlags = false;
+  preConfigure = ''
+    export LD_LIBRARY_PATH="$PWD/lib:$PWD/plugins/platforms:$LD_LIBRARY_PATH"
+    ${lib.optionalString (compareVersion "5.9.0" < 0) ''
+    # We need to set LD to CXX or otherwise we get nasty compile errors
+    export LD=$CXX
+    ''}
+
+    configureFlags+="\
+        -plugindir $out/$qtPluginPrefix \
+        -qmldir $out/$qtQmlPrefix \
+        -docdir $out/$qtDocPrefix"
+
+    createQmakeCache() {
+        cat >>"$1" <<EOF
+    NIX_OUTPUT_BIN = $bin
+    NIX_OUTPUT_DEV = $dev
+    NIX_OUTPUT_OUT = $out
+    NIX_OUTPUT_DOC = $dev/$qtDocPrefix
+    NIX_OUTPUT_QML = $bin/$qtQmlPrefix
+    NIX_OUTPUT_PLUGIN = $bin/$qtPluginPrefix
+    EOF
+    }
+
+    find . -name '.qmake.conf' | while read conf; do
+        cache=$(dirname $conf)/.qmake.cache
+        echo "Creating \`$cache'"
+        createQmakeCache "$cache"
+    done
+
+    NIX_CFLAGS_COMPILE+=" -DNIXPKGS_QT_PLUGIN_PREFIX=\"$qtPluginPrefix\""
+  '';
+
+
+  NIX_CFLAGS_COMPILE =
+    [
+      "-Wno-error=sign-compare" # freetype-2.5.4 changed signedness of some struct fields
+      ''-DNIXPKGS_QTCOMPOSE="${libX11.out}/share/X11/locale"''
+      ''-D${if compareVersion "5.11.0" >= 0 then "LIBRESOLV_SO" else "NIXPKGS_LIBRESOLV"}="${stdenv.cc.libc.out}/lib/libresolv"''
+      ''-DNIXPKGS_LIBXCURSOR="${libXcursor.out}/lib/libXcursor"''
+    ]
+
+    ++ lib.optional libGLSupported ''-DNIXPKGS_MESA_GL="${libGL.out}/lib/libGL"''
+    ++ lib.optionals withGtk3 [
+         ''-DNIXPKGS_QGTK3_XDG_DATA_DIRS="${gtk3}/share/gsettings-schemas/${gtk3.name}"''
+         ''-DNIXPKGS_QGTK3_GIO_EXTRA_MODULES="${dconf.lib}/lib/gio/modules"''
+       ]
+    ++ lib.optional decryptSslTraffic "-DQT_DECRYPT_SSL_TRAFFIC";
+
+  prefixKey = "-prefix ";
+
+  # PostgreSQL autodetection fails sporadically because Qt omits the "-lpq" flag
+  # if dependency paths contain the string "pq", which can occur in the hash.
+  # To prevent these failures, we need to override PostgreSQL detection.
+  PSQL_LIBS = lib.optionalString (postgresql != null) "-L${postgresql.lib}/lib -lpq";
+
+  # -no-eglfs, -no-directfb, -no-linuxfb and -no-kms because of the current minimalist mesa
+  # TODO Remove obsolete and useless flags once the build will be totally mastered
+  configureFlags =
+    [
+      "-verbose"
+      "-confirm-license"
+      "-opensource"
+
+      "-release"
+      "-shared"
+      "-accessibility"
+      "-optimized-qmake"
+      "-strip"
+      "-system-proxies"
+      "-pkg-config"
+
+      "-gui"
+      "-widgets"
+      "-opengl desktop"
+      "-icu"
+      "-pch"
+    ]
+    ++ lib.optionals (compareVersion "5.11.0" < 0)
+    [
+      "-qml-debug"
+    ]
+    ++ lib.optionals (compareVersion "5.9.0" < 0)
+    [
+      "-c++11"
+      "-no-reduce-relocations"
+    ]
+    ++ lib.optionals developerBuild [
+      "-developer-build"
+      "-no-warnings-are-errors"
+    ]
+    ++ (
+      if (!stdenv.hostPlatform.isx86_64)
+      then [ "-no-sse2" ]
+      else lib.optionals (compareVersion "5.9.0" >= 0) {
+        "default"        = [ "-sse2" "-no-sse3" "-no-ssse3" "-no-sse4.1" "-no-sse4.2" "-no-avx" "-no-avx2" ];
+        "westmere"       = [ "-sse2"    "-sse3"    "-ssse3"    "-sse4.1"    "-sse4.2" "-no-avx" "-no-avx2" ];
+        "sandybridge"    = [ "-sse2"    "-sse3"    "-ssse3"    "-sse4.1"    "-sse4.2"    "-avx" "-no-avx2" ];
+        "ivybridge"      = [ "-sse2"    "-sse3"    "-ssse3"    "-sse4.1"    "-sse4.2"    "-avx" "-no-avx2" ];
+        "haswell"        = [ "-sse2"    "-sse3"    "-ssse3"    "-sse4.1"    "-sse4.2"    "-avx"    "-avx2" ];
+        "broadwell"      = [ "-sse2"    "-sse3"    "-ssse3"    "-sse4.1"    "-sse4.2"    "-avx"    "-avx2" ];
+        "skylake"        = [ "-sse2"    "-sse3"    "-ssse3"    "-sse4.1"    "-sse4.2"    "-avx"    "-avx2" ];
+        "skylake-avx512" = [ "-sse2"    "-sse3"    "-ssse3"    "-sse4.1"    "-sse4.2"    "-avx"    "-avx2" ];
+      }.${stdenv.hostPlatform.platform.gcc.arch or "default"}
+    )
+    ++ [
+      "-no-mips_dsp"
+      "-no-mips_dspr2"
+    ]
+
+    ++ [
+      "-system-zlib"
+      "-system-libjpeg"
+      "-system-harfbuzz"
+      "-system-pcre"
+      "-openssl-linked"
+      "-system-sqlite"
+      ''-${if mysql != null then "plugin" else "no"}-sql-mysql''
+      ''-${if postgresql != null then "plugin" else "no"}-sql-psql''
+
+      "-make libs"
+      "-make tools"
+      ''-${lib.optionalString (!buildExamples) "no"}make examples''
+      ''-${lib.optionalString (!buildTests) "no"}make tests''
+      "-v"
+    ]
+
+    ++ (
+      if stdenv.isDarwin
+      then
+        [
+          "-platform macx-clang"
+          "-no-fontconfig"
+          "-qt-freetype"
+          "-qt-libpng"
+          "-no-framework"
+        ]
+      else
+        [
+          "-${lib.optionalString (compareVersion "5.9.0" < 0) "no-"}rpath"
+
+          "-system-xcb"
+          "-xcb"
+          "-qpa xcb"
+
+          "-system-xkbcommon"
+          "-libinput"
+          "-xkbcommon-evdev"
+
+          "-no-eglfs"
+          "-no-gbm"
+          "-no-kms"
+          "-no-linuxfb"
+
+          ''-${lib.optionalString (cups == null) "no-"}cups''
+          "-dbus-linked"
+          "-glib"
+          "-system-libjpeg"
+          "-system-libpng"
+        ]
+        ++ lib.optional withGtk3 "-gtk"
+        ++ lib.optional (compareVersion "5.9.0" >= 0) "-inotify"
+        ++ lib.optionals (compareVersion "5.10.0" >= 0) [
+          # Without these, Qt stops working on kernels < 3.17. See:
+          # https://github.com/NixOS/nixpkgs/issues/38832
+          "-no-feature-renameat2"
+          "-no-feature-getentropy"
+        ]
+    );
+
+  enableParallelBuilding = true;
+
+  postInstall =
+    # Move selected outputs.
+    ''
+      moveToOutput "mkspecs" "$dev"
+    '';
+
+  devTools = [
+    "bin/fixqt4headers.pl"
+    "bin/moc"
+    "bin/qdbuscpp2xml"
+    "bin/qdbusxml2cpp"
+    "bin/qlalr"
+    "bin/qmake"
+    "bin/rcc"
+    "bin/syncqt.pl"
+    "bin/uic"
+  ];
+
+  postFixup =
+    # Don't retain build-time dependencies like gdb.
+    ''
+      sed '/QMAKE_DEFAULT_.*DIRS/ d' -i $dev/mkspecs/qconfig.pri
+    ''
+
+    + ''
+      fixQtModulePaths "''${!outputDev}/mkspecs/modules"
+      fixQtBuiltinPaths "''${!outputDev}" '*.pr?'
+    ''
+
+    # Move development tools to $dev
+    + ''
+      moveQtDevTools
+      moveToOutput bin "$dev"
+    ''
+
+    + (
+        # fixup .pc file (where to find 'moc' etc.)
+        ''
+          sed -i "$dev/lib/pkgconfig/Qt5Core.pc" \
+              -e "/^host_bins=/ c host_bins=$dev/bin"
+        ''
+    );
+
+  setupHook = ../hooks/qtbase-setup-hook.sh;
+
+  meta = with lib; {
+    homepage = http://www.qt.io;
+    description = "A cross-platform application framework for C++";
+    license = with licenses; [ fdl13 gpl2 lgpl21 lgpl3 ];
+    maintainers = with maintainers; [ qknight ttuegel periklis bkchr ];
+    platforms = platforms.unix;
+    broken = stdenv.isDarwin && (compareVersion "5.9.0" < 0);
+  };
+
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtcharts.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtcharts.nix
new file mode 100644
index 000000000000..84d3a17ea8ce
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtcharts.nix
@@ -0,0 +1,7 @@
+{ qtModule, qtbase, qtdeclarative }:
+
+qtModule {
+  name = "qtcharts";
+  qtInputs = [ qtbase qtdeclarative ];
+  outputs = [ "out" "dev" "bin" ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtconnectivity.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtconnectivity.nix
new file mode 100644
index 000000000000..36a736d03dc5
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtconnectivity.nix
@@ -0,0 +1,8 @@
+{ qtModule, stdenv, qtbase, qtdeclarative, bluez }:
+
+qtModule {
+  name = "qtconnectivity";
+  qtInputs = [ qtbase qtdeclarative ];
+  buildInputs = stdenv.lib.optional stdenv.isLinux bluez;
+  outputs = [ "out" "dev" "bin" ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtdeclarative.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtdeclarative.nix
new file mode 100644
index 000000000000..7c1fa449ebba
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtdeclarative.nix
@@ -0,0 +1,26 @@
+{ qtModule, lib, python2, qtbase, qtsvg }:
+
+with lib;
+
+qtModule {
+  name = "qtdeclarative";
+  qtInputs = [ qtbase qtsvg ];
+  nativeBuildInputs = [ python2 ];
+  outputs = [ "out" "dev" "bin" ];
+  preConfigure = ''
+    NIX_CFLAGS_COMPILE+=" -DNIXPKGS_QML2_IMPORT_PREFIX=\"$qtQmlPrefix\""
+  '';
+  configureFlags = lib.optionals (lib.versionAtLeast qtbase.version "5.11.0") [ "-qml-debug" ];
+  devTools = [
+    "bin/qml"
+    "bin/qmlcachegen"
+    "bin/qmleasing"
+    "bin/qmlimportscanner"
+    "bin/qmllint"
+    "bin/qmlmin"
+    "bin/qmlplugindump"
+    "bin/qmlprofiler"
+    "bin/qmlscene"
+    "bin/qmltestrunner"
+  ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtdoc.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtdoc.nix
new file mode 100644
index 000000000000..10623962c430
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtdoc.nix
@@ -0,0 +1,7 @@
+{ qtModule, qtdeclarative }:
+
+qtModule {
+  name = "qtdoc";
+  qtInputs = [ qtdeclarative ];
+  outputs = [ "out" ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtgraphicaleffects.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtgraphicaleffects.nix
new file mode 100644
index 000000000000..d0be6ae77694
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtgraphicaleffects.nix
@@ -0,0 +1,7 @@
+{ qtModule, qtdeclarative }:
+
+qtModule {
+  name = "qtgraphicaleffects";
+  qtInputs = [ qtdeclarative ];
+  outputs = [ "out" "dev" ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtimageformats.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtimageformats.nix
new file mode 100644
index 000000000000..1a7726070be3
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtimageformats.nix
@@ -0,0 +1,6 @@
+{ qtModule, qtbase }:
+
+qtModule {
+  name = "qtimageformats";
+  qtInputs = [ qtbase ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtlocation.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtlocation.nix
new file mode 100644
index 000000000000..0eee684a53fd
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtlocation.nix
@@ -0,0 +1,14 @@
+{ stdenv, qtModule, qtbase, qtmultimedia }:
+
+qtModule {
+  name = "qtlocation";
+  qtInputs = [ qtbase qtmultimedia ];
+  outputs = [ "bin" "out" "dev" ];
+  qmakeFlags = stdenv.lib.optional stdenv.isDarwin [
+     # boost uses std::auto_ptr which has been disabled in clang with libcxx
+     # This flag re-enables this feature
+     # https://libcxx.llvm.org/docs/UsingLibcxx.html#c-17-specific-configuration-macros
+     "QMAKE_CXXFLAGS+=-D_LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR"
+  ];
+
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtmacextras.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtmacextras.nix
new file mode 100644
index 000000000000..11964caf17b1
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtmacextras.nix
@@ -0,0 +1,10 @@
+{ stdenv, qtModule, qtbase }:
+
+qtModule {
+  name = "qtmacextras";
+  qtInputs = [ qtbase ];
+  meta = with stdenv.lib; {
+    maintainers = with maintainers; [ periklis ];
+    platforms = platforms.darwin;
+  };
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtmultimedia.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtmultimedia.nix
new file mode 100644
index 000000000000..d0bab88b2f21
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtmultimedia.nix
@@ -0,0 +1,16 @@
+{ qtModule, stdenv, qtbase, qtdeclarative, pkgconfig
+, alsaLib, gstreamer, gst-plugins-base, libpulseaudio
+}:
+
+with stdenv.lib;
+
+qtModule {
+  name = "qtmultimedia";
+  qtInputs = [ qtbase qtdeclarative ];
+  nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [ gstreamer gst-plugins-base libpulseaudio]
+    ++ optional (stdenv.isLinux) alsaLib;
+  outputs = [ "bin" "dev" "out" ];
+  qmakeFlags = [ "GST_VERSION=1.0" ];
+  NIX_LDFLAGS = optionalString (stdenv.isDarwin) "-lobjc";
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtnetworkauth.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtnetworkauth.nix
new file mode 100644
index 000000000000..e6ef428cc3c4
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtnetworkauth.nix
@@ -0,0 +1,6 @@
+{ qtModule, qtbase }:
+
+qtModule {
+  name = "qtnetworkauth";
+  qtInputs = [ qtbase ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtquickcontrols.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtquickcontrols.nix
new file mode 100644
index 000000000000..ba0f20bc0d83
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtquickcontrols.nix
@@ -0,0 +1,6 @@
+{ qtModule, qtdeclarative }:
+
+qtModule {
+  name = "qtquickcontrols";
+  qtInputs = [ qtdeclarative ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtquickcontrols2.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtquickcontrols2.nix
new file mode 100644
index 000000000000..a9522f4b1f0c
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtquickcontrols2.nix
@@ -0,0 +1,7 @@
+{ qtModule, qtdeclarative }:
+
+qtModule {
+  name = "qtquickcontrols2";
+  qtInputs = [ qtdeclarative ];
+  outputs = [ "out" "dev" "bin" ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtscript.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtscript.nix
new file mode 100644
index 000000000000..5a1a462a9640
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtscript.nix
@@ -0,0 +1,6 @@
+{ qtModule, qtbase, qttools }:
+
+qtModule {
+  name = "qtscript";
+  qtInputs = [ qtbase qttools ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtsensors.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtsensors.nix
new file mode 100644
index 000000000000..3b8732b68851
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtsensors.nix
@@ -0,0 +1,7 @@
+{ qtModule, qtbase, qtdeclarative }:
+
+qtModule {
+  name = "qtsensors";
+  qtInputs = [ qtbase qtdeclarative ];
+  outputs = [ "out" "dev" "bin" ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtserialport.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtserialport.nix
new file mode 100644
index 000000000000..516d38340dc5
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtserialport.nix
@@ -0,0 +1,11 @@
+{ qtModule, stdenv, lib, qtbase, systemd }:
+
+let inherit (lib) getLib optional; in
+
+qtModule {
+  name = "qtserialport";
+  qtInputs = [ qtbase ];
+  NIX_CFLAGS_COMPILE =
+    optional stdenv.isLinux
+    ''-DNIXPKGS_LIBUDEV="${getLib systemd}/lib/libudev"'';
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtspeech.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtspeech.nix
new file mode 100644
index 000000000000..ddef01a9482e
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtspeech.nix
@@ -0,0 +1,7 @@
+{ qtModule }:
+
+qtModule {
+  name = "qtspeech";
+  qtInputs = [ ];
+  outputs = [ "out" "dev" ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtsvg.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtsvg.nix
new file mode 100644
index 000000000000..3ce68e56e412
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtsvg.nix
@@ -0,0 +1,7 @@
+{ qtModule, qtbase }:
+
+qtModule {
+  name = "qtsvg";
+  qtInputs = [ qtbase ];
+  outputs = [ "out" "dev" "bin" ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qttools.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qttools.nix
new file mode 100644
index 000000000000..573472a8b5ab
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qttools.nix
@@ -0,0 +1,39 @@
+{ qtModule, stdenv, lib, qtbase, qtdeclarative }:
+
+with lib;
+
+qtModule {
+  name = "qttools";
+  qtInputs = [ qtbase ];
+  outputs = [ "out" "dev" "bin" ];
+
+  # fixQtBuiltinPaths overwrites a builtin path we should keep
+  postPatch = ''
+    sed -i "src/linguist/linguist.pro" \
+        -e '/^cmake_linguist_config_version_file.input =/ s|$$\[QT_HOST_DATA.*\]|${getDev qtbase}|'
+  '';
+
+  devTools = [
+    "bin/qcollectiongenerator"
+    "bin/linguist"
+    "bin/assistant"
+    "bin/qdoc"
+    "bin/lconvert"
+    "bin/designer"
+    "bin/qtattributesscanner"
+    "bin/lrelease"
+    "bin/pixeltool"
+    "bin/lupdate"
+    "bin/qtdiag"
+    "bin/qhelpgenerator"
+    "bin/qtplugininfo"
+    "bin/qthelpconverter"
+  ] ++ optionals stdenv.isDarwin [
+    "bin/macdeployqt"
+  ];
+
+  NIX_CFLAGS_COMPILE =
+    lib.optional stdenv.isDarwin ''-DNIXPKGS_QMLIMPORTSCANNER="${qtdeclarative.dev}/bin/qmlimportscanner"'';
+
+  setupHook = ../hooks/qttools-setup-hook.sh;
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qttranslations.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qttranslations.nix
new file mode 100644
index 000000000000..11a6e3fedcb1
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qttranslations.nix
@@ -0,0 +1,6 @@
+{ qtModule, qttools }:
+
+qtModule {
+  name = "qttranslations";
+  qtInputs = [ qttools ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtvirtualkeyboard.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtvirtualkeyboard.nix
new file mode 100644
index 000000000000..2ba720c8eedc
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtvirtualkeyboard.nix
@@ -0,0 +1,6 @@
+{ qtModule, qtbase, qtdeclarative, qtsvg, hunspell  }:
+
+qtModule {
+  name = "qtvirtualkeyboard";
+  qtInputs = [ qtbase qtdeclarative qtsvg hunspell ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwayland.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwayland.nix
new file mode 100644
index 000000000000..c7a7704f2837
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwayland.nix
@@ -0,0 +1,9 @@
+{ qtModule, qtbase, qtquickcontrols, wayland, pkgconfig }:
+
+qtModule {
+  name = "qtwayland";
+  qtInputs = [ qtbase qtquickcontrols ];
+  buildInputs = [ wayland ];
+  nativeBuildInputs = [ pkgconfig ];
+  outputs = [ "out" "dev" "bin" ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebchannel.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebchannel.nix
new file mode 100644
index 000000000000..84fb88385a3e
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebchannel.nix
@@ -0,0 +1,8 @@
+{ qtModule, qtbase, qtdeclarative }:
+
+qtModule {
+  name = "qtwebchannel";
+  qtInputs = [ qtbase qtdeclarative ];
+  outputs = [ "out" "dev" "bin" ];
+}
+
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebengine.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebengine.nix
new file mode 100644
index 000000000000..07fd048d6538
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebengine.nix
@@ -0,0 +1,225 @@
+{ qtModule, qtCompatVersion,
+  qtdeclarative, qtquickcontrols, qtlocation, qtwebchannel
+
+, bison, coreutils, flex, git, gperf, ninja, pkgconfig, python2, which
+
+, xorg, libXcursor, libXScrnSaver, libXrandr, libXtst
+, fontconfig, freetype, harfbuzz, icu, dbus, libdrm
+, zlib, minizip, libjpeg, libpng, libtiff, libwebp, libopus
+, jsoncpp, protobuf, libvpx, srtp, snappy, nss, libevent
+, alsaLib
+, libcap
+, pciutils
+, systemd
+, enableProprietaryCodecs ? true
+, gn
+, cups, darwin, openbsm, runCommand, xcbuild
+, ffmpeg ? null
+, lib, stdenv
+}:
+
+with stdenv.lib;
+
+let qt56 = qtCompatVersion == "5.6"; in
+
+qtModule {
+  name = "qtwebengine";
+  qtInputs = [ qtdeclarative qtquickcontrols qtlocation qtwebchannel ];
+  nativeBuildInputs = [
+    bison coreutils flex git gperf ninja pkgconfig python2 which gn
+  ] ++ optional stdenv.isDarwin xcbuild;
+  doCheck = true;
+  outputs = [ "bin" "dev" "out" ];
+
+  enableParallelBuilding = true;
+
+  # Don’t use the gn setup hook
+  dontUseGnConfigure = true;
+
+  # ninja builds some components with -Wno-format,
+  # which cannot be set at the same time as -Wformat-security
+  hardeningDisable = [ "format" ];
+
+  postPatch =
+    # Patch Chromium build tools
+    ''
+      ( cd src/3rdparty/chromium; patchShebangs . )
+    ''
+    # Patch Chromium build files
+    + optionalString (lib.versionOlder qtCompatVersion "5.12") ''
+      substituteInPlace ./src/3rdparty/chromium/build/common.gypi --replace /bin/echo ${coreutils}/bin/echo
+      substituteInPlace ./src/3rdparty/chromium/v8/${if qt56 then "build" else "gypfiles"}/toolchain.gypi \
+        --replace /bin/echo ${coreutils}/bin/echo
+      substituteInPlace ./src/3rdparty/chromium/v8/${if qt56 then "build" else "gypfiles"}/standalone.gypi \
+        --replace /bin/echo ${coreutils}/bin/echo
+    ''
+    # Patch library paths in Qt sources
+    + ''
+      sed -i \
+        -e "s,QLibraryInfo::location(QLibraryInfo::DataPath),QLatin1String(\"$out\"),g" \
+        -e "s,QLibraryInfo::location(QLibraryInfo::TranslationsPath),QLatin1String(\"$out/translations\"),g" \
+        -e "s,QLibraryInfo::location(QLibraryInfo::LibraryExecutablesPath),QLatin1String(\"$out/libexec\"),g" \
+        src/core/web_engine_library_info.cpp
+    ''
+    # Patch library paths in Chromium sources
+    + optionalString (!stdenv.isDarwin) ''
+      sed -i -e '/lib_loader.*Load/s!"\(libudev\.so\)!"${systemd.lib}/lib/\1!' \
+        src/3rdparty/chromium/device/udev_linux/udev?_loader.cc
+
+      sed -i -e '/libpci_loader.*Load/s!"\(libpci\.so\)!"${pciutils}/lib/\1!' \
+        src/3rdparty/chromium/gpu/config/gpu_info_collector_linux.cc
+    ''
+    + optionalString stdenv.isDarwin (''
+      substituteInPlace src/core/config/mac_osx.pri \
+        --replace /usr ${stdenv.cc}
+    ''
+    + (optionalString (lib.versionAtLeast qtCompatVersion "5.11") ''
+      substituteInPlace src/3rdparty/chromium/third_party/crashpad/crashpad/util/BUILD.gn \
+        --replace '$sysroot/usr' "${darwin.xnu}"
+    '')
+    + ''
+
+    cat <<EOF > src/3rdparty/chromium/build/mac/find_sdk.py
+#!/usr/bin/env python
+print("${darwin.apple_sdk.sdk}")
+print("10.12.0")
+EOF
+
+    cat <<EOF > src/3rdparty/chromium/build/config/mac/sdk_info.py
+#!/usr/bin/env python
+print('xcode_version="0910"')
+print('xcode_version_int=910')
+print('xcode_build="9B55"')
+print('machine_os_build="17E199"')
+print('sdk_path=""')
+print('sdk_version="10.10"')
+print('sdk_platform_path=""')
+print('sdk_build="17B41"')
+EOF
+
+    # Apple has some secret stuff they don't share with OpenBSM
+    substituteInPlace src/3rdparty/chromium/base/mac/mach_port_broker.mm \
+      --replace "audit_token_to_pid(msg.trailer.msgh_audit)" "msg.trailer.msgh_audit.val[5]"
+
+    substituteInPlace src/3rdparty/chromium/sandbox/mac/BUILD.gn \
+      --replace 'libs = [ "sandbox" ]' 'libs = [ "/usr/lib/libsandbox.1.dylib" ]'
+    '');
+
+  NIX_CFLAGS_COMPILE =
+  # it fails when compiled with -march=sandybridge https://github.com/NixOS/nixpkgs/pull/59148#discussion_r276696940
+  # TODO: investigate and fix properly
+    lib.optionals (stdenv.hostPlatform.platform.gcc.arch or "" == "sandybridge") [ "-march=westmere" ] ++
+    lib.optionals stdenv.isDarwin [
+      "-DMAC_OS_X_VERSION_MAX_ALLOWED=MAC_OS_X_VERSION_10_10"
+      "-DMAC_OS_X_VERSION_MIN_REQUIRED=MAC_OS_X_VERSION_10_10"
+
+      #
+      # Prevent errors like
+      # /nix/store/xxx-apple-framework-CoreData/Library/Frameworks/CoreData.framework/Headers/NSEntityDescription.h:51:7:
+      # error: pointer to non-const type 'id' with no explicit ownership
+      #     id** _kvcPropertyAccessors;
+      #
+      # TODO remove when new Apple SDK is in
+      #
+      "-fno-objc-arc"
+    ];
+
+  preConfigure = ''
+    export NINJAFLAGS=-j$NIX_BUILD_CORES
+
+    if [ -d "$PWD/tools/qmake" ]; then
+        QMAKEPATH="$PWD/tools/qmake''${QMAKEPATH:+:}$QMAKEPATH"
+    fi
+   '';
+
+  qmakeFlags = if stdenv.hostPlatform.isAarch32 || stdenv.hostPlatform.isAarch64
+    then [ "--" "-system-ffmpeg" ] ++ optional enableProprietaryCodecs "-proprietary-codecs"
+    else optional enableProprietaryCodecs "-- -proprietary-codecs";
+
+  propagatedBuildInputs = [
+    # Image formats
+    libjpeg libpng libtiff libwebp
+
+    # Video formats
+    srtp libvpx
+
+    # Audio formats
+    libopus
+
+    # Text rendering
+    harfbuzz icu
+
+    libevent
+  ] ++ optionals (stdenv.hostPlatform.isAarch32 || stdenv.hostPlatform.isAarch64) [
+    ffmpeg
+  ] ++ optionals (!stdenv.isDarwin) [
+    dbus zlib minizip snappy nss protobuf jsoncpp
+
+    # Audio formats
+    alsaLib
+
+    # Text rendering
+    fontconfig freetype
+
+    libcap
+    pciutils
+
+    # X11 libs
+    xorg.xrandr libXScrnSaver libXcursor libXrandr xorg.libpciaccess libXtst
+    xorg.libXcomposite xorg.libXdamage libdrm
+  ]
+
+  # FIXME These dependencies shouldn't be needed but can't find a way
+  # around it. Chromium pulls this in while bootstrapping GN.
+  ++ lib.optionals stdenv.isDarwin (with darwin; with apple_sdk.frameworks; [
+    libobjc
+    cctools
+
+    # frameworks
+    ApplicationServices
+    AVFoundation
+    Foundation
+    ForceFeedback
+    GameController
+    AppKit
+    ImageCaptureCore
+    CoreBluetooth
+    IOBluetooth
+    CoreWLAN
+    Quartz
+    Cocoa
+
+    openbsm
+    libunwind
+  ]);
+
+  buildInputs = optionals stdenv.isDarwin (with darwin; [
+    cups
+
+    # For sandbox.h include
+    (runCommand "MacOS_SDK_sandbox.h" {} ''
+      install -Dm444 "${lib.getDev darwin.apple_sdk.sdk}"/include/sandbox.h "$out"/include/sandbox.h
+    '')
+  ]);
+
+  __impureHostDeps = optional stdenv.isDarwin "/usr/lib/libsandbox.1.dylib";
+
+  dontUseNinjaBuild = true;
+  dontUseNinjaInstall = true;
+  dontUseXcbuild = true;
+
+  postInstall = lib.optionalString stdenv.isLinux ''
+    cat > $out/libexec/qt.conf <<EOF
+    [Paths]
+    Prefix = ..
+    EOF
+  '';
+
+  meta = with lib; {
+    description = "A web engine based on the Chromium web browser";
+    maintainers = with maintainers; [ matthewbauer ];
+    platforms = platforms.unix;
+    broken = qt56; # 2018-09-13, no successful build since 2018-04-25
+  };
+
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebglplugin.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebglplugin.nix
new file mode 100644
index 000000000000..444d0c1beae8
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebglplugin.nix
@@ -0,0 +1,6 @@
+{ qtModule, qtbase, qtwebsockets }:
+
+qtModule {
+  name = "qtwebglplugin";
+  qtInputs = [ qtbase qtwebsockets ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebkit.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
new file mode 100644
index 000000000000..d65449023b34
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
@@ -0,0 +1,72 @@
+{ qtModule, stdenv, lib, fetchurl
+, qtbase, qtdeclarative, qtlocation, qtmultimedia, qtsensors, qtwebchannel
+, fontconfig, gtk2, libwebp, libxml2, libxslt
+, sqlite, systemd, glib, gst_all_1, cmake
+, bison2, flex, gdb, gperf, perl, pkgconfig, python2, ruby
+, darwin
+, flashplayerFix ? false
+}:
+
+let
+  inherit (lib) optional optionals getDev getLib;
+  hyphen = stdenv.mkDerivation rec {
+    name = "hyphen-2.8.8";
+    src = fetchurl {
+      url = "http://dev-www.libreoffice.org/src/5ade6ae2a99bc1e9e57031ca88d36dad-${name}.tar.gz";
+      sha256 = "304636d4eccd81a14b6914d07b84c79ebb815288c76fe027b9ebff6ff24d5705";
+    };
+    postPatch = ''
+      patchShebangs tests
+    '';
+    buildInputs = [ perl ];
+  };
+  usingAnnulenWebkitFork = lib.versionAtLeast qtbase.version "5.11.0";
+in
+qtModule {
+  name = "qtwebkit";
+  qtInputs = [ qtbase qtdeclarative qtlocation qtsensors ]
+    ++ optional (stdenv.isDarwin && lib.versionAtLeast qtbase.version "5.9.0") qtmultimedia
+    ++ optional usingAnnulenWebkitFork qtwebchannel;
+  buildInputs = [ fontconfig libwebp libxml2 libxslt sqlite glib gst_all_1.gstreamer gst_all_1.gst-plugins-base ]
+    ++ optionals (stdenv.isDarwin) (with darwin; with apple_sdk.frameworks; [ ICU OpenGL ])
+    ++ optional usingAnnulenWebkitFork hyphen;
+  nativeBuildInputs = [
+    bison2 flex gdb gperf perl pkgconfig python2 ruby
+  ] ++ optional usingAnnulenWebkitFork cmake;
+
+  cmakeFlags = optionals usingAnnulenWebkitFork ([ "-DPORT=Qt" ]
+    ++ optionals stdenv.isDarwin [
+      "-DQt5Multimedia_DIR=${getDev qtmultimedia}/lib/cmake/Qt5Multimedia"
+      "-DQt5MultimediaWidgets_DIR=${getDev qtmultimedia}/lib/cmake/Qt5MultimediaWidgets"
+      "-DMACOS_FORCE_SYSTEM_XML_LIBRARIES=OFF"
+    ]);
+
+  # QtWebKit overrides qmake's default_pre and default_post features,
+  # so its custom qmake files must be found first at the front of QMAKEPATH.
+  preConfigure = stdenv.lib.optionalString (!usingAnnulenWebkitFork) ''
+    QMAKEPATH="$PWD/Tools/qmake''${QMAKEPATH:+:}$QMAKEPATH"
+    fixQtBuiltinPaths . '*.pr?'
+    # Fix hydra's "Log limit exceeded"
+    export qmakeFlags="$qmakeFlags CONFIG+=silent"
+  '';
+
+  NIX_CFLAGS_COMPILE =
+    # with gcc7 this warning blows the log over Hydra's limit
+    [ "-Wno-expansion-to-defined" ]
+    # with clang this warning blows the log over Hydra's limit
+    ++ optional stdenv.isDarwin "-Wno-inconsistent-missing-override"
+    ++ optionals flashplayerFix
+      [
+        ''-DNIXPKGS_LIBGTK2="${getLib gtk2}/lib/libgtk-x11-2.0"''
+        # this file used to exist in gdk_pixbuf?
+        ''-DNIXPKGS_LIBGDK2="${getLib gtk2}/lib/libgdk-x11-2.0"''
+      ]
+    ++ optional (!stdenv.isDarwin) ''-DNIXPKGS_LIBUDEV="${getLib systemd}/lib/libudev"'';
+
+  doCheck = false; # fails 13 out of 13 tests (ctest)
+
+  # Hack to avoid TMPDIR in RPATHs.
+  preFixup = ''rm -rf "$(pwd)" && mkdir "$(pwd)" '';
+
+  meta.maintainers = with stdenv.lib.maintainers; [ abbradar periklis ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebsockets.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebsockets.nix
new file mode 100644
index 000000000000..ad5e7625f289
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebsockets.nix
@@ -0,0 +1,7 @@
+{ qtModule, qtbase, qtdeclarative }:
+
+qtModule {
+  name = "qtwebsockets";
+  qtInputs = [ qtbase qtdeclarative ];
+  outputs = [ "out" "dev" "bin" ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebview.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebview.nix
new file mode 100644
index 000000000000..906d750c5d3f
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtwebview.nix
@@ -0,0 +1,14 @@
+{ darwin, stdenv, qtModule, qtdeclarative, qtwebengine }:
+
+with stdenv.lib;
+
+qtModule {
+  name = "qtwebview";
+  qtInputs = [ qtdeclarative qtwebengine ];
+  buildInputs = optional (stdenv.isDarwin) [
+    darwin.apple_sdk.frameworks.CoreFoundation
+    darwin.apple_sdk.frameworks.WebKit
+  ];
+  outputs = [ "out" "dev" "bin" ];
+  NIX_LDFLAGS = optionalString stdenv.isDarwin "-framework CoreFoundation -framework WebKit";
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtx11extras.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtx11extras.nix
new file mode 100644
index 000000000000..4d431fee278b
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtx11extras.nix
@@ -0,0 +1,6 @@
+{ qtModule, qtbase }:
+
+qtModule {
+  name = "qtx11extras";
+  qtInputs = [ qtbase ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtxmlpatterns.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtxmlpatterns.nix
new file mode 100644
index 000000000000..7ac922421f08
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtxmlpatterns.nix
@@ -0,0 +1,7 @@
+{ qtModule, qtbase, qtdeclarative }:
+
+qtModule {
+  name = "qtxmlpatterns";
+  qtInputs = [ qtbase qtdeclarative ];
+  devTools = [ "bin/xmlpatterns" "bin/xmlpatternsvalidator" ];
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/qt-env.nix b/nixpkgs/pkgs/development/libraries/qt-5/qt-env.nix
new file mode 100644
index 000000000000..da56c07779b9
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/qt-env.nix
@@ -0,0 +1,21 @@
+{ buildEnv, qtbase }: name: paths:
+
+buildEnv {
+  inherit name;
+  paths = [ qtbase ] ++ paths;
+
+  pathsToLink = [ "/bin" "/mkspecs" "/include" "/lib" "/share" ];
+  extraOutputsToInstall = [ "dev" ];
+
+  postBuild = ''
+    rm "$out/bin/qmake"
+    cp "${qtbase.dev}/bin/qmake" "$out/bin"
+    cat >"$out/bin/qt.conf" <<EOF
+    [Paths]
+    Prefix = $out
+    Plugins = ${qtbase.qtPluginPrefix}
+    Qml2Imports = ${qtbase.qtQmlPrefix}
+    Documentation = ${qtbase.qtDocPrefix}
+    EOF
+  '';
+}
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/qtModule.nix b/nixpkgs/pkgs/development/libraries/qt-5/qtModule.nix
new file mode 100644
index 000000000000..84a9d30918b1
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/qt-5/qtModule.nix
@@ -0,0 +1,59 @@
+{ lib, mkDerivation, perl }:
+
+let inherit (lib) licenses maintainers platforms; in
+
+{ self, srcs, patches }:
+
+args:
+
+let
+  inherit (args) name;
+  version = args.version or srcs."${name}".version;
+  src = args.src or srcs."${name}".src;
+in
+
+mkDerivation (args // {
+  name = "${name}-${version}";
+  inherit src;
+  patches = args.patches or patches."${name}" or [];
+
+  nativeBuildInputs = (args.nativeBuildInputs or []) ++ [ perl self.qmake ];
+  propagatedBuildInputs = args.qtInputs ++ (args.propagatedBuildInputs or []);
+
+  outputs = args.outputs or [ "out" "dev" ];
+  setOutputFlags = args.setOutputFlags or false;
+
+  preHook = ''
+    . ${./hooks/move-qt-dev-tools.sh}
+    . ${./hooks/fix-qt-builtin-paths.sh}
+  '';
+
+  preConfigure = ''
+    ${args.preConfigure or ""}
+
+    fixQtBuiltinPaths . '*.pr?'
+  '';
+
+  postFixup = ''
+    if [ -d "''${!outputDev}/lib/pkgconfig" ]; then
+        find "''${!outputDev}/lib/pkgconfig" -name '*.pc' | while read pc; do
+            sed -i "$pc" \
+                -e "/^prefix=/ c prefix=''${!outputLib}" \
+                -e "/^exec_prefix=/ c exec_prefix=''${!outputBin}" \
+                -e "/^includedir=/ c includedir=''${!outputDev}/include"
+        done
+    fi
+
+    moveQtDevTools
+
+    ${args.postFixup or ""}
+  '';
+
+  meta = {
+    homepage = http://www.qt.io;
+    description = "A cross-platform application framework for C++";
+    license = with licenses; [ fdl13 gpl2 lgpl21 lgpl3 ];
+    maintainers = with maintainers; [ qknight ttuegel periklis bkchr ];
+    platforms = platforms.unix;
+  } // (args.meta or {});
+})