{ lib, stdenv, targetPackages, fetchurl, fetchpatch, noSysDirs , langC ? true, langCC ? true, langFortran ? false , langAda ? false , langObjC ? stdenv.targetPlatform.isDarwin , langObjCpp ? stdenv.targetPlatform.isDarwin , langGo ? false , profiledCompiler ? false , langJit ? false , staticCompiler ? false , # N.B. the defult is intentionally not from an `isStatic`. See # https://gcc.gnu.org/install/configure.html - this is about target # platform libraries not host platform ones unlike normal. But since # we can't rebuild those without also rebuilding the compiler itself, # we opt to always build everything unlike our usual policy. enableShared ? true , enableLTO ? true , texinfo ? null , perl ? null # optional, for texi2pod (then pod2man) , gmp, mpfr, libmpc, gettext, which, patchelf , libelf # optional, for link-time optimizations (LTO) , isl ? null # optional, for the Graphite optimization framework. , zlib ? null , gnatboot ? null , enableMultilib ? false , enablePlugin ? stdenv.hostPlatform == stdenv.buildPlatform # Whether to support user-supplied plug-ins , name ? "gcc" , libcCross ? null , threadsCross ? null # for MinGW , crossStageStatic ? false , # Strip kills static libs of other archs (hence no cross) stripped ? stdenv.hostPlatform.system == stdenv.buildPlatform.system && stdenv.targetPlatform.system == stdenv.hostPlatform.system , gnused ? null , cloog # unused; just for compat with gcc4, as we override the parameter on some places , buildPackages }: # LTO needs libelf and zlib. assert libelf != null -> zlib != null; # Make sure we get GNU sed. assert stdenv.hostPlatform.isDarwin -> gnused != null; # The go frontend is written in c++ assert langGo -> langCC; assert langAda -> gnatboot != null; # threadsCross is just for MinGW assert threadsCross != null -> stdenv.targetPlatform.isWindows; with lib; with builtins; let majorVersion = "10"; version = "${majorVersion}.2.0"; inherit (stdenv) buildPlatform hostPlatform targetPlatform; patches = optional (targetPlatform != hostPlatform) ../libstdc++-target.patch ++ optional noSysDirs ../no-sys-dirs.patch /* ++ optional (hostPlatform != buildPlatform) (fetchpatch { # XXX: Refine when this should be applied url = "https://git.busybox.net/buildroot/plain/package/gcc/${version}/0900-remove-selftests.patch?id=11271540bfe6adafbc133caf6b5b902a816f5f02"; sha256 = ""; # TODO: uncomment and check hash when available. }) */ ++ optional langAda ../gnat-cflags.patch ++ optional langFortran ../gfortran-driving.patch ++ optional (targetPlatform.libc == "musl" && targetPlatform.isPower) ../ppc-musl.patch # Obtain latest patch with ../update-mcfgthread-patches.sh ++ optional (!crossStageStatic && targetPlatform.isMinGW) ./Added-mcf-thread-model-support-from-mcfgthread.patch; /* Cross-gcc settings (build == host != target) */ crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt"; stageNameAddon = if crossStageStatic then "stage-static" else "stage-final"; crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-${stageNameAddon}-"; in stdenv.mkDerivation ({ pname = "${crossNameAddon}${name}${if stripped then "" else "-debug"}"; inherit version; builder = ../builder.sh; src = fetchurl { url = "mirror://gcc/releases/gcc-${version}/gcc-${version}.tar.xz"; sha256 = "130xdkhmz1bc2kzx061s3sfwk36xah1fw5w332c0nzwwpdl47pdq"; }; inherit patches; outputs = [ "out" "man" "info" ] ++ lib.optional (!langJit) "lib"; setOutputFlags = false; NIX_NO_SELF_RPATH = true; libc_dev = stdenv.cc.libc_dev; hardeningDisable = [ "format" "pie" ]; # This should kill all the stdinc frameworks that gcc and friends like to # insert into default search paths. prePatch = lib.optionalString hostPlatform.isDarwin '' substituteInPlace gcc/config/darwin-c.c \ --replace 'if (stdinc)' 'if (0)' substituteInPlace libgcc/config/t-slibgcc-darwin \ --replace "-install_name @shlib_slibdir@/\$(SHLIB_INSTALL_NAME)" "-install_name ''${!outputLib}/lib/\$(SHLIB_INSTALL_NAME)" substituteInPlace libgfortran/configure \ --replace "-install_name \\\$rpath/\\\$soname" "-install_name ''${!outputLib}/lib/\\\$soname" ''; postPatch = '' configureScripts=$(find . -name configure) for configureScript in $configureScripts; do patchShebangs $configureScript done '' + ( if targetPlatform != hostPlatform || stdenv.cc.libc != null then # On NixOS, use the right path to the dynamic linker instead of # `/lib/ld*.so'. let libc = if libcCross != null then libcCross else stdenv.cc.libc; in ( '' echo "fixing the \`GLIBC_DYNAMIC_LINKER', \`UCLIBC_DYNAMIC_LINKER', and \`MUSL_DYNAMIC_LINKER' macros..." for header in "gcc/config/"*-gnu.h "gcc/config/"*"/"*.h do grep -q _DYNAMIC_LINKER "$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 '' + lib.optionalString (targetPlatform.libc == "musl") '' sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR' '' ) else "") + lib.optionalString targetPlatform.isAvr '' makeFlagsArray+=( 'LIMITS_H_TEST=false' ) ''; inherit noSysDirs staticCompiler crossStageStatic 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 ] ) ++ optional targetPlatform.isLinux patchelf; buildInputs = [ gmp mpfr libmpc libelf targetPackages.stdenv.cc.bintools # For linking code at run-time ] ++ (optional (isl != null) isl) ++ (optional (zlib != null) zlib) # 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 langAda gnatboot) ; depsTargetTarget = optional (!crossStageStatic && threadsCross != null) threadsCross; NIX_LDFLAGS = lib.optionalString hostPlatform.isSunOS "-lm -ldl"; preConfigure = import ../common/pre-configure.nix { inherit lib; inherit version hostPlatform gnatboot langAda langGo; }; dontDisableStatic = true; # TODO(@Ericson2314): Always pass "--target" and always prefix. configurePlatforms = [ "build" "host" ] ++ lib.optional (targetPlatform != hostPlatform) "target"; configureFlags = import ../common/configure-flags.nix { inherit lib stdenv targetPackages crossStageStatic libcCross version gmp mpfr libmpc libelf isl enableLTO enableMultilib enablePlugin enableShared langC langCC langFortran langAda langGo langObjC langObjCpp langJit ; }; targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null; buildFlags = optional (targetPlatform == hostPlatform && hostPlatform == buildPlatform) (if profiledCompiler then "profiledbootstrap" else "bootstrap"); dontStrip = !stripped; installTargets = optional stripped "install-strip"; # https://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 )); LIBRARY_PATH = optionals (targetPlatform == hostPlatform) (makeLibraryPath (optional (zlib != null) zlib)); inherit (import ../common/extra-target-flags.nix { inherit lib stdenv crossStageStatic libcCross threadsCross; }) EXTRA_FLAGS_FOR_TARGET EXTRA_LDFLAGS_FOR_TARGET ; passthru = { inherit langC langCC langObjC langObjCpp langAda langFortran langGo version; isGNU = true; }; enableParallelBuilding = true; inherit enableMultilib; inherit (stdenv) is64bit; meta = { homepage = "https://gcc.gnu.org/"; license = 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 lib.maintainers; [ synthetica ]; platforms = lib.platforms.linux ++ lib.platforms.freebsd ++ lib.platforms.illumos ++ lib.platforms.darwin; }; } // optionalAttrs (targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt" && crossStageStatic) { makeFlags = [ "all-gcc" "all-target-libgcc" ]; installTargets = "install-gcc install-target-libgcc"; } // optionalAttrs (enableMultilib) { dontMoveLib64 = true; } )