274 lines
9.5 KiB
Nix
274 lines
9.5 KiB
Nix
{ stdenv, targetPackages, fetchurl, fetchpatch, noSysDirs
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, langC ? true, langCC ? true, langFortran ? false
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, langObjC ? stdenv.targetPlatform.isDarwin
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, langObjCpp ? stdenv.targetPlatform.isDarwin
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, langGo ? false
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, profiledCompiler ? false
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, staticCompiler ? false
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, enableShared ? true
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, texinfo ? null
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, perl ? null # optional, for texi2pod (then pod2man)
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, gmp, mpfr, libmpc, gettext, which
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, libelf # optional, for link-time optimizations (LTO)
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, isl ? null # optional, for the Graphite optimization framework.
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, zlib ? null
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, enableMultilib ? false
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, enablePlugin ? stdenv.hostPlatform == stdenv.buildPlatform # Whether to support user-supplied plug-ins
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, name ? "gcc"
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, libcCross ? null
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, threadsCross ? null # for MinGW
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, crossStageStatic ? false
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, # Strip kills static libs of other archs (hence no cross)
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stripped ? stdenv.hostPlatform == stdenv.buildPlatform
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&& stdenv.targetPlatform == stdenv.hostPlatform
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, gnused ? null
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, cloog # unused; just for compat with gcc4, as we override the parameter on some places
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, buildPackages
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}:
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# LTO needs libelf and zlib.
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assert libelf != null -> zlib != null;
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# Make sure we get GNU sed.
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assert stdenv.hostPlatform.isDarwin -> gnused != null;
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# The go frontend is written in c++
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assert langGo -> langCC;
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# threadsCross is just for MinGW
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assert threadsCross != null -> stdenv.targetPlatform.isWindows;
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with stdenv.lib;
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with builtins;
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let majorVersion = "9";
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version = "${majorVersion}.2.0";
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inherit (stdenv) buildPlatform hostPlatform targetPlatform;
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patches =
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optional (targetPlatform != hostPlatform) ../libstdc++-target.patch
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++ optional noSysDirs ../no-sys-dirs.patch
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/* ++ optional (hostPlatform != buildPlatform) (fetchpatch { # XXX: Refine when this should be applied
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url = "https://git.busybox.net/buildroot/plain/package/gcc/${version}/0900-remove-selftests.patch?id=11271540bfe6adafbc133caf6b5b902a816f5f02";
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sha256 = ""; # TODO: uncomment and check hash when available.
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}) */
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++ optional langFortran ../gfortran-driving.patch
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++ optional (targetPlatform.libc == "musl" && targetPlatform.isPower) ../ppc-musl.patch
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++ optional (!crossStageStatic && targetPlatform.isMinGW) (fetchpatch {
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url = "https://raw.githubusercontent.com/lhmouse/MINGW-packages/${import ../common/mfcgthreads-patches-repo.nix}/mingw-w64-gcc-git/9000-gcc-${majorVersion}-branch-Added-mcf-thread-model-support-from-mcfgthread.patch";
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sha256 = "1in5kvcknlpi9z1vvjw6jfmwy8k12zvbqlqfnq84qpm99r0rh00a";
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});
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/* Cross-gcc settings (build == host != target) */
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crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
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stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
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crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else "";
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in
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stdenv.mkDerivation ({
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name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}";
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builder = ../builder.sh;
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src = fetchurl {
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url = "mirror://gcc/releases/gcc-${version}/gcc-${version}.tar.xz";
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sha256 = "01mj3yk7z49i49168hg2cg7qs4bsccrrnv7pjmbdlf8j2a7z0vpa";
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};
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inherit patches;
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outputs = [ "out" "lib" "man" "info" ];
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setOutputFlags = false;
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NIX_NO_SELF_RPATH = true;
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libc_dev = stdenv.cc.libc_dev;
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hardeningDisable = [ "format" "pie" ];
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# This should kill all the stdinc frameworks that gcc and friends like to
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# insert into default search paths.
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prePatch = stdenv.lib.optionalString hostPlatform.isDarwin ''
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substituteInPlace gcc/config/darwin-c.c \
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--replace 'if (stdinc)' 'if (0)'
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substituteInPlace libgcc/config/t-slibgcc-darwin \
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--replace "-install_name @shlib_slibdir@/\$(SHLIB_INSTALL_NAME)" "-install_name $lib/lib/\$(SHLIB_INSTALL_NAME)"
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substituteInPlace libgfortran/configure \
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--replace "-install_name \\\$rpath/\\\$soname" "-install_name $lib/lib/\\\$soname"
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'';
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postPatch = ''
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configureScripts=$(find . -name configure)
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for configureScript in $configureScripts; do
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patchShebangs $configureScript
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done
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'' + (
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if targetPlatform != hostPlatform || stdenv.cc.libc != null then
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# On NixOS, use the right path to the dynamic linker instead of
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# `/lib/ld*.so'.
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let
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libc = if libcCross != null then libcCross else stdenv.cc.libc;
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in
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(
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'' echo "fixing the \`GLIBC_DYNAMIC_LINKER', \`UCLIBC_DYNAMIC_LINKER', and \`MUSL_DYNAMIC_LINKER' macros..."
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for header in "gcc/config/"*-gnu.h "gcc/config/"*"/"*.h
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do
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grep -q _DYNAMIC_LINKER "$header" || continue
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echo " fixing \`$header'..."
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sed -i "$header" \
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-e 's|define[[:blank:]]*\([UCG]\+\)LIBC_DYNAMIC_LINKER\([0-9]*\)[[:blank:]]"\([^\"]\+\)"$|define \1LIBC_DYNAMIC_LINKER\2 "${libc.out}\3"|g' \
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-e 's|define[[:blank:]]*MUSL_DYNAMIC_LINKER\([0-9]*\)[[:blank:]]"\([^\"]\+\)"$|define MUSL_DYNAMIC_LINKER\1 "${libc.out}\2"|g'
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done
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''
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+ stdenv.lib.optionalString (targetPlatform.libc == "musl")
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''
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sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
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''
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)
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else "");
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inherit noSysDirs staticCompiler crossStageStatic
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libcCross crossMingw;
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depsBuildBuild = [ buildPackages.stdenv.cc ];
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nativeBuildInputs = [ texinfo which gettext ]
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++ (optional (perl != null) perl);
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# For building runtime libs
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depsBuildTarget =
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if hostPlatform == buildPlatform then [
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targetPackages.stdenv.cc.bintools # newly-built gcc will be used
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] else assert targetPlatform == hostPlatform; [ # build != host == target
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stdenv.cc
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];
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buildInputs = [
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gmp mpfr libmpc libelf
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targetPackages.stdenv.cc.bintools # For linking code at run-time
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] ++ (optional (isl != null) isl)
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++ (optional (zlib != null) zlib)
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# The builder relies on GNU sed (for instance, Darwin's `sed' fails with
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# "-i may not be used with stdin"), and `stdenvNative' doesn't provide it.
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++ (optional hostPlatform.isDarwin gnused)
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;
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depsTargetTarget = optional (!crossStageStatic && threadsCross != null) threadsCross;
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NIX_LDFLAGS = stdenv.lib.optionalString hostPlatform.isSunOS "-lm -ldl";
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preConfigure = import ../common/pre-configure.nix {
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inherit (stdenv) lib;
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inherit version hostPlatform langGo;
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};
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dontDisableStatic = true;
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# TODO(@Ericson2314): Always pass "--target" and always prefix.
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configurePlatforms = [ "build" "host" ] ++ stdenv.lib.optional (targetPlatform != hostPlatform) "target";
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configureFlags = import ../common/configure-flags.nix {
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inherit
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stdenv
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targetPackages
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crossStageStatic libcCross
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version
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gmp mpfr libmpc libelf isl
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enablePlugin
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enableMultilib
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enableShared
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langC
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langCC
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langFortran
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langGo
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langObjC
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langObjCpp
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;
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};
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targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
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buildFlags = optional
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(targetPlatform == hostPlatform && hostPlatform == buildPlatform)
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(if profiledCompiler then "profiledbootstrap" else "bootstrap");
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dontStrip = !stripped;
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installTargets =
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if stripped
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then "install-strip"
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else "install";
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# https://gcc.gnu.org/install/specific.html#x86-64-x-solaris210
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${if hostPlatform.system == "x86_64-solaris" then "CC" else null} = "gcc -m64";
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# Setting $CPATH and $LIBRARY_PATH to make sure both `gcc' and `xgcc' find the
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# library headers and binaries, regarless of the language being compiled.
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#
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# Likewise, the LTO code doesn't find zlib.
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#
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# Cross-compiling, we need gcc not to read ./specs in order to build the g++
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# compiler (after the specs for the cross-gcc are created). Having
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# LIBRARY_PATH= makes gcc read the specs from ., and the build breaks.
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CPATH = optionals (targetPlatform == hostPlatform) (makeSearchPathOutput "dev" "include" ([]
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++ optional (zlib != null) zlib
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));
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LIBRARY_PATH = optionals (targetPlatform == hostPlatform) (makeLibraryPath (optional (zlib != null) zlib));
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inherit
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(import ../common/extra-target-flags.nix {
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inherit stdenv crossStageStatic libcCross threadsCross;
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})
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EXTRA_TARGET_FLAGS
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EXTRA_TARGET_LDFLAGS
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;
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passthru = {
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inherit langC langCC langObjC langObjCpp langFortran langGo version;
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isGNU = true;
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};
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enableParallelBuilding = true;
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inherit enableMultilib;
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inherit (stdenv) is64bit;
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meta = {
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homepage = https://gcc.gnu.org/;
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license = stdenv.lib.licenses.gpl3Plus; # runtime support libraries are typically LGPLv3+
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description = "GNU Compiler Collection, version ${version}"
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+ (if stripped then "" else " (with debugging info)");
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longDescription = ''
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The GNU Compiler Collection includes compiler front ends for C, C++,
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Objective-C, Fortran, OpenMP for C/C++/Fortran, and Ada, as well as
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libraries for these languages (libstdc++, libgomp,...).
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GCC development is a part of the GNU Project, aiming to improve the
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compiler used in the GNU system including the GNU/Linux variant.
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'';
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maintainers = with stdenv.lib.maintainers; [ synthetica ];
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platforms =
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stdenv.lib.platforms.linux ++
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stdenv.lib.platforms.freebsd ++
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stdenv.lib.platforms.illumos ++
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stdenv.lib.platforms.darwin;
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};
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}
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// optionalAttrs (targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt" && crossStageStatic) {
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makeFlags = [ "all-gcc" "all-target-libgcc" ];
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installTargets = "install-gcc install-target-libgcc";
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}
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// optionalAttrs (enableMultilib) { dontMoveLib64 = true; }
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)
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