1 files changed, 29 insertions, 0 deletions
diff --git a/pkgs/development/libraries/qt-5/mkDerivation.nix b/pkgs/development/libraries/qt-5/mkDerivation.nix
new file mode 100644
index 000000000000..ef105092fe23
--- /dev/null
+++ b/pkgs/development/libraries/qt-5/mkDerivation.nix
@@ -0,0 +1,29 @@
+{ stdenv, lib }:
+
+let inherit (lib) optional; in
+
+{ debug }:
+
+args:
+
+let
+  args_ = {
+
+    qmakeFlags =
+      (args.qmakeFlags or [])
+      ++ optional (debug != null)
+          (if debug then "CONFIG+=debug" else "CONFIG+=release");
+
+    cmakeFlags =
+      (args.cmakeFlags or [])
+      ++ [ "-DBUILD_TESTING=OFF" ]
+      ++ optional (debug != null)
+          (if debug then "-DCMAKE_BUILD_TYPE=Debug"
+                    else "-DCMAKE_BUILD_TYPE=Release");
+
+    enableParallelBuilding = args.enableParallelBuilding or false;
+
+  };
+in
+
+stdenv.mkDerivation (args // args_)