Merge remote-tracking branch 'upstream/master' into gcc-hurd-condition

1 files changed, 434 insertions, 0 deletions

diff --git a/pkgs/development/compilers/gcc/8/default.nix b/pkgs/development/compilers/gcc/8/default.nix
new file mode 100644
index 000000000000..4ba6acc670f7
--- /dev/null
+++ b/pkgs/development/compilers/gcc/8/default.nix
@@ -0,0 +1,434 @@
+{ stdenv, targetPackages, fetchurl, fetchpatch, noSysDirs
+, langC ? true, langCC ? true, langFortran ? false
+, langObjC ? targetPlatform.isDarwin
+, langObjCpp ? targetPlatform.isDarwin
+, langGo ? false
+, profiledCompiler ? false
+, staticCompiler ? false
+, enableShared ? true
+, texinfo ? null
+, perl ? null # optional, for texi2pod (then pod2man)
+, gmp, mpfr, libmpc, gettext, which
+, libelf                      # optional, for link-time optimizations (LTO)
+, isl ? null # optional, for the Graphite optimization framework.
+, zlib ? null
+, enableMultilib ? false
+, enablePlugin ? hostPlatform == buildPlatform # Whether to support user-supplied plug-ins
+, name ? "gcc"
+, libcCross ? null
+, crossStageStatic ? false
+, libpthread ? null, libpthreadCross ? null  # required for GNU/Hurd
+, stripped ? true
+, gnused ? null
+, cloog # unused; just for compat with gcc4, as we override the parameter on some places
+, darwin ? null
+, buildPlatform, hostPlatform, targetPlatform
+, buildPackages
+}:
+
+# LTO needs libelf and zlib.
+assert libelf != null -> zlib != null;
+
+# Make sure we get GNU sed.
+assert hostPlatform.isDarwin -> gnused != null;
+
+# The go frontend is written in c++
+assert langGo -> langCC;
+
+with stdenv.lib;
+with builtins;
+
+let version = "8.1.0";
+
+    # Whether building a cross-compiler for GNU/Hurd.
+    crossGNU = targetPlatform != hostPlatform && targetPlatform.config == "i586-pc-gnu";
+
+    enableParallelBuilding = true;
+
+    patches =
+         optional (targetPlatform != hostPlatform) ../libstdc++-target.patch
+      ++ optional noSysDirs ../no-sys-dirs.patch
+      /* ++ optional (hostPlatform != buildPlatform) (fetchpatch { # XXX: Refine when this should be applied
+        url = "https://git.busybox.net/buildroot/plain/package/gcc/${version}/0900-remove-selftests.patch?id=11271540bfe6adafbc133caf6b5b902a816f5f02";
+        sha256 = ""; # TODO: uncomment and check hash when available.
+      }) */
+      ++ optional langFortran ../gfortran-driving.patch;
+
+    /* Cross-gcc settings (build == host != target) */
+    crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
+    crossDarwin = targetPlatform != hostPlatform && targetPlatform.libc == "libSystem";
+    crossConfigureFlags =
+      # Ensure that -print-prog-name is able to find the correct programs.
+      [ "--with-as=${targetPackages.stdenv.cc.bintools}/bin/${targetPlatform.config}-as"
+        "--with-ld=${targetPackages.stdenv.cc.bintools}/bin/${targetPlatform.config}-ld" ] ++
+      (if crossMingw && crossStageStatic then [
+        "--with-headers=${libcCross}/include"
+        "--with-gcc"
+        "--with-gnu-as"
+        "--with-gnu-ld"
+        "--with-gnu-ld"
+        "--disable-shared"
+        "--disable-nls"
+        "--disable-debug"
+        "--enable-sjlj-exceptions"
+        "--enable-threads=win32"
+        "--disable-win32-registry"
+      ] else if crossStageStatic then [
+        "--disable-libssp"
+        "--disable-nls"
+        "--without-headers"
+        "--disable-threads"
+        "--disable-libgomp"
+        "--disable-libquadmath"
+        "--disable-shared"
+        "--disable-libatomic"  # libatomic requires libc
+        "--disable-decimal-float" # libdecnumber requires libc
+        # maybe only needed on musl, PATH_MAX
+        # https://github.com/richfelker/musl-cross-make/blob/0867cdf300618d1e3e87a0a939fa4427207ad9d7/litecross/Makefile#L62
+        "--disable-libmpx"
+      ] else [
+        (if crossDarwin then "--with-sysroot=${getLib libcCross}/share/sysroot"
+         else                "--with-headers=${getDev libcCross}/include")
+        "--enable-__cxa_atexit"
+        "--enable-long-long"
+      ] ++
+        (if crossMingw then [
+          "--enable-threads=win32"
+          "--enable-sjlj-exceptions"
+          "--enable-hash-synchronization"
+          "--enable-libssp"
+          "--disable-nls"
+          "--with-dwarf2"
+          # To keep ABI compatibility with upstream mingw-w64
+          "--enable-fully-dynamic-string"
+        ] else
+          optionals (targetPlatform.libc == "uclibc" || targetPlatform.libc == "musl") [
+            # libsanitizer requires netrom/netrom.h which is not
+            # available in uclibc.
+            "--disable-libsanitizer"
+            # In uclibc cases, libgomp needs an additional '-ldl'
+            # and as I don't know how to pass it, I disable libgomp.
+            "--disable-libgomp"
+            # musl at least, disable: https://git.buildroot.net/buildroot/commit/?id=873d4019f7fb00f6a80592224236b3ba7d657865
+            "--disable-libmpx"
+          ] ++ [
+          "--enable-threads=posix"
+          "--enable-nls"
+          "--disable-decimal-float" # No final libdecnumber (it may work only in 386)
+        ]));
+    stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
+    crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else "";
+
+    bootstrap = targetPlatform == hostPlatform;
+
+in
+
+stdenv.mkDerivation ({
+  name = "${name}${if stripped then "" else "-debug"}-${version}" + crossNameAddon;
+
+  builder = ../builder.sh;
+
+  src = fetchurl {
+    url = "mirror://gcc/releases/gcc-${version}/gcc-${version}.tar.xz";
+    sha256 = "0lxil8x0jjx7zbf90cy1rli650akaa6hpk8wk8s62vk2jbwnc60x";
+  };
+
+  inherit patches;
+
+  outputs = [ "out" "lib" "man" "info" ];
+  setOutputFlags = false;
+  NIX_NO_SELF_RPATH = true;
+
+  libc_dev = stdenv.cc.libc_dev;
+
+  hardeningDisable = [ "format" ];
+
+  # This should kill all the stdinc frameworks that gcc and friends like to
+  # insert into default search paths.
+  prePatch = stdenv.lib.optionalString hostPlatform.isDarwin ''
+    substituteInPlace gcc/config/darwin-c.c \
+      --replace 'if (stdinc)' 'if (0)'
+
+    substituteInPlace libgcc/config/t-slibgcc-darwin \
+      --replace "-install_name @shlib_slibdir@/\$(SHLIB_INSTALL_NAME)" "-install_name $lib/lib/\$(SHLIB_INSTALL_NAME)"
+
+    substituteInPlace libgfortran/configure \
+      --replace "-install_name \\\$rpath/\\\$soname" "-install_name $lib/lib/\\\$soname"
+  '';
+
+  postPatch = ''
+    configureScripts=$(find . -name configure)
+    for configureScript in $configureScripts; do
+      patchShebangs $configureScript
+    done
+  '' + (
+    if targetPlatform.isHurd
+    then
+      # On GNU/Hurd glibc refers to Hurd & Mach headers and libpthread is not
+      # in glibc, so add the right `-I' flags to the default spec string.
+      assert libcCross != null -> libpthreadCross != null;
+      let
+        libc = if libcCross != null then libcCross else stdenv.glibc;
+        gnu_h = "gcc/config/gnu.h";
+        extraCPPDeps =
+             libc.propagatedBuildInputs
+          ++ stdenv.lib.optional (libpthreadCross != null) libpthreadCross
+          ++ stdenv.lib.optional (libpthread != null) libpthread;
+        extraCPPSpec =
+          concatStrings (intersperse " "
+                          (map (x: "-I${x.dev or x}/include") extraCPPDeps));
+        extraLibSpec =
+          if libpthreadCross != null
+          then "-L${libpthreadCross}/lib ${libpthreadCross.TARGET_LDFLAGS}"
+          else "-L${libpthread}/lib";
+      in
+        '' echo "augmenting \`CPP_SPEC' in \`${gnu_h}' with \`${extraCPPSpec}'..."
+           sed -i "${gnu_h}" \
+               -es'|CPP_SPEC *"\(.*\)$|CPP_SPEC "${extraCPPSpec} \1|g'
+
+           echo "augmenting \`LIB_SPEC' in \`${gnu_h}' with \`${extraLibSpec}'..."
+           sed -i "${gnu_h}" \
+               -es'|LIB_SPEC *"\(.*\)$|LIB_SPEC "${extraLibSpec} \1|g'
+
+           echo "setting \`NATIVE_SYSTEM_HEADER_DIR' and \`STANDARD_INCLUDE_DIR' to \`${libc.dev}/include'..."
+           sed -i "${gnu_h}" \
+               -es'|#define STANDARD_INCLUDE_DIR.*$|#define STANDARD_INCLUDE_DIR "${libc.dev}/include"|g'
+        ''
+    else if targetPlatform != hostPlatform || stdenv.cc.libc != null then
+      # On NixOS, use the right path to the dynamic linker instead of
+      # `/lib/ld*.so'.
+      let
+        libc = if libcCross != null then libcCross else stdenv.cc.libc;
+      in
+        (
+        '' echo "fixing the \`GLIBC_DYNAMIC_LINKER', \`UCLIBC_DYNAMIC_LINKER', and \`MUSL_DYNAMIC_LINKER' macros..."
+           for header in "gcc/config/"*-gnu.h "gcc/config/"*"/"*.h
+           do
+             grep -q _DYNAMIC_LINKER "$header" || continue
+             echo "  fixing \`$header'..."
+             sed -i "$header" \
+                 -e 's|define[[:blank:]]*\([UCG]\+\)LIBC_DYNAMIC_LINKER\([0-9]*\)[[:blank:]]"\([^\"]\+\)"$|define \1LIBC_DYNAMIC_LINKER\2 "${libc.out}\3"|g' \
+                 -e 's|define[[:blank:]]*MUSL_DYNAMIC_LINKER\([0-9]*\)[[:blank:]]"\([^\"]\+\)"$|define MUSL_DYNAMIC_LINKER\1 "${libc.out}\2"|g'
+           done
+        ''
+        + stdenv.lib.optionalString (targetPlatform.libc == "musl")
+        ''
+            sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
+        ''
+        )
+    else "");
+
+  # TODO(@Ericson2314): Make passthru instead. Weird to avoid mass rebuild,
+  crossStageStatic = targetPlatform == hostPlatform || crossStageStatic;
+  inherit noSysDirs staticCompiler
+    libcCross crossMingw;
+
+  depsBuildBuild = [ buildPackages.stdenv.cc ];
+  nativeBuildInputs = [ texinfo which gettext ]
+    ++ (optional (perl != null) perl);
+
+  # For building runtime libs
+  depsBuildTarget =
+    if hostPlatform == buildPlatform then [
+      targetPackages.stdenv.cc.bintools # newly-built gcc will be used
+    ] else assert targetPlatform == hostPlatform; [ # build != host == target
+      stdenv.cc
+    ];
+
+  buildInputs = [
+    gmp mpfr libmpc libelf
+    targetPackages.stdenv.cc.bintools # For linking code at run-time
+  ] ++ (optional (isl != null) isl)
+    ++ (optional (zlib != null) zlib)
+    ++ (optionals (targetPlatform != hostPlatform) [targetPackages.stdenv.cc.bintools])
+
+    # The builder relies on GNU sed (for instance, Darwin's `sed' fails with
+    # "-i may not be used with stdin"), and `stdenvNative' doesn't provide it.
+    ++ (optional hostPlatform.isDarwin gnused)
+    ++ (optional hostPlatform.isDarwin targetPackages.stdenv.cc.bintools)
+    ;
+
+  NIX_LDFLAGS = stdenv.lib.optionalString  hostPlatform.isSunOS "-lm -ldl";
+
+  preConfigure = stdenv.lib.optionalString (hostPlatform.isSunOS && hostPlatform.is64bit) ''
+    export NIX_LDFLAGS=`echo $NIX_LDFLAGS | sed -e s~$prefix/lib~$prefix/lib/amd64~g`
+    export LDFLAGS_FOR_TARGET="-Wl,-rpath,$prefix/lib/amd64 $LDFLAGS_FOR_TARGET"
+    export CXXFLAGS_FOR_TARGET="-Wl,-rpath,$prefix/lib/amd64 $CXXFLAGS_FOR_TARGET"
+    export CFLAGS_FOR_TARGET="-Wl,-rpath,$prefix/lib/amd64 $CFLAGS_FOR_TARGET"
+  '';
+
+  dontDisableStatic = true;
+
+  # TODO(@Ericson2314): Always pass "--target" and always prefix.
+  configurePlatforms =
+    # TODO(@Ericson2314): Figure out what's going wrong with Arm
+    if buildPlatform == hostPlatform && hostPlatform == targetPlatform && targetPlatform.isAarch32
+    then []
+    else [ "build" "host" ] ++ stdenv.lib.optional (targetPlatform != hostPlatform) "target";
+
+  configureFlags =
+    # Basic dependencies
+    [
+      "--with-gmp-include=${gmp.dev}/include"
+      "--with-gmp-lib=${gmp.out}/lib"
+      "--with-mpfr-include=${mpfr.dev}/include"
+      "--with-mpfr-lib=${mpfr.out}/lib"
+      "--with-mpc=${libmpc}"
+    ] ++
+    optional (libelf != null) "--with-libelf=${libelf}" ++
+    optional (!(crossMingw && crossStageStatic))
+      "--with-native-system-header-dir=${getDev stdenv.cc.libc}/include" ++
+
+    # Basic configuration
+    [
+      "--enable-lto"
+      "--disable-libstdcxx-pch"
+      "--without-included-gettext"
+      "--with-system-zlib"
+      "--enable-static"
+      "--enable-languages=${
+        concatStrings (intersperse ","
+          (  optional langC        "c"
+          ++ optional langCC       "c++"
+          ++ optional langFortran  "fortran"
+          ++ optional langGo       "go"
+          ++ optional langObjC     "objc"
+          ++ optional langObjCpp   "obj-c++"
+          ++ optionals crossDarwin [ "objc" "obj-c++" ]
+          )
+        )
+      }"
+    ] ++
+
+    (if enableMultilib
+      then ["--enable-multilib" "--disable-libquadmath"]
+      else ["--disable-multilib"]) ++
+    optional (!enableShared) "--disable-shared" ++
+    (if enablePlugin
+      then ["--enable-plugin"]
+      else ["--disable-plugin"]) ++
+
+    # Optional features
+    optional (isl != null) "--with-isl=${isl}" ++
+
+    (import ../common/platform-flags.nix { inherit (stdenv) lib targetPlatform; }) ++
+    optional (targetPlatform != hostPlatform) crossConfigureFlags ++
+    optional (!bootstrap) "--disable-bootstrap" ++
+
+    # Platform-specific flags
+    optional (targetPlatform == hostPlatform && targetPlatform.isi686) "--with-arch=i686" ++
+    optionals hostPlatform.isSunOS [
+      "--enable-long-long" "--enable-libssp" "--enable-threads=posix" "--disable-nls" "--enable-__cxa_atexit"
+      # On Illumos/Solaris GNU as is preferred
+      "--with-gnu-as" "--without-gnu-ld"
+    ]
+    ++ optional (targetPlatform == hostPlatform && targetPlatform.libc == "musl") "--disable-libsanitizer"
+  ;
+
+  targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
+
+  buildFlags =
+    optional bootstrap (if profiledCompiler then "profiledbootstrap" else "bootstrap");
+
+  installTargets =
+    if stripped
+    then "install-strip"
+    else "install";
+
+  /* For cross-built gcc (build != host == target) */
+  crossAttrs = {
+    dontStrip = true;
+    buildFlags = "";
+  };
+
+  # http://gcc.gnu.org/install/specific.html#x86-64-x-solaris210
+  ${if hostPlatform.system == "x86_64-solaris" then "CC" else null} = "gcc -m64";
+
+  # Setting $CPATH and $LIBRARY_PATH to make sure both `gcc' and `xgcc' find the
+  # library headers and binaries, regarless of the language being compiled.
+  #
+  # Likewise, the LTO code doesn't find zlib.
+  #
+  # Cross-compiling, we need gcc not to read ./specs in order to build the g++
+  # compiler (after the specs for the cross-gcc are created). Having
+  # LIBRARY_PATH= makes gcc read the specs from ., and the build breaks.
+
+  CPATH = optionals (targetPlatform == hostPlatform) (makeSearchPathOutput "dev" "include" ([]
+    ++ optional (zlib != null) zlib
+    ++ optional (libpthread != null) libpthread
+    ++ optional (libpthreadCross != null) libpthreadCross
+
+    # On GNU/Hurd glibc refers to Mach & Hurd
+    # headers.
+    ++ optionals (libcCross != null && libcCross ? propagatedBuildInputs)
+                 libcCross.propagatedBuildInputs
+  ));
+
+  LIBRARY_PATH = optionals (targetPlatform == hostPlatform) (makeLibraryPath ([]
+    ++ optional (zlib != null) zlib
+    ++ optional (libpthread != null) libpthread)
+  );
+
+  EXTRA_TARGET_FLAGS = optionals
+    (targetPlatform != hostPlatform && libcCross != null)
+    ([
+      "-idirafter ${getDev libcCross}/include"
+    ] ++ optionals (! crossStageStatic) [
+      "-B${libcCross.out}/lib"
+    ]);
+
+  EXTRA_TARGET_LDFLAGS = optionals
+    (targetPlatform != hostPlatform && libcCross != null)
+    ([
+      "-Wl,-L${libcCross.out}/lib"
+    ] ++ (if crossStageStatic then [
+        "-B${libcCross.out}/lib"
+      ] else [
+        "-Wl,-rpath,${libcCross.out}/lib"
+        "-Wl,-rpath-link,${libcCross.out}/lib"
+    ]) ++ optionals (libpthreadCross != null) [
+      "-L${libpthreadCross}/lib"
+      "-Wl,${libpthreadCross.TARGET_LDFLAGS}"
+    ]);
+
+  passthru =
+    { inherit langC langCC langObjC langObjCpp langFortran langGo version; isGNU = true; };
+
+  inherit enableParallelBuilding enableMultilib;
+
+  inherit (stdenv) is64bit;
+
+  meta = {
+    homepage = http://gcc.gnu.org/;
+    license = stdenv.lib.licenses.gpl3Plus;  # runtime support libraries are typically LGPLv3+
+    description = "GNU Compiler Collection, version ${version}"
+      + (if stripped then "" else " (with debugging info)");
+
+    longDescription = ''
+      The GNU Compiler Collection includes compiler front ends for C, C++,
+      Objective-C, Fortran, OpenMP for C/C++/Fortran, and Ada, as well as
+      libraries for these languages (libstdc++, libgomp,...).
+
+      GCC development is a part of the GNU Project, aiming to improve the
+      compiler used in the GNU system including the GNU/Linux variant.
+    '';
+
+    maintainers = with stdenv.lib.maintainers; [ synthetica ];
+
+    platforms =
+      stdenv.lib.platforms.linux ++
+      stdenv.lib.platforms.freebsd ++
+      stdenv.lib.platforms.darwin;
+  };
+}
+
+// optionalAttrs (targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt" && crossStageStatic) {
+  makeFlags = [ "all-gcc" "all-target-libgcc" ];
+  installTargets = "install-gcc install-target-libgcc";
+}
+
+# Strip kills static libs of other archs (hence targetPlatform != hostPlatform)
+// optionalAttrs (!stripped || targetPlatform != hostPlatform) { dontStrip = true; }
+
+// optionalAttrs (enableMultilib) { dontMoveLib64 = true; }
+)