{ stdenv, targetPackages, fetchurl, noSysDirs , langC ? true, langCC ? true, langFortran ? false , langObjC ? stdenv.targetPlatform.isDarwin , langObjCpp ? stdenv.targetPlatform.isDarwin , langGo ? false , profiledCompiler ? false , staticCompiler ? false , enableShared ? true , enableLTO ? 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 ? stdenv.hostPlatform == stdenv.buildPlatform # Whether to support user-supplied plug-ins , name ? "gcc" , libcCross ? null , crossStageStatic ? false , # Strip kills static libs of other archs (hence no cross) stripped ? stdenv.hostPlatform == stdenv.buildPlatform && stdenv.targetPlatform == stdenv.hostPlatform , gnused ? null , cloog # unused; just for compat with gcc4, as we override the parameter on some places , flex ? null , 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; with stdenv.lib; with builtins; let version = "7-20170409"; inherit (stdenv) buildPlatform hostPlatform targetPlatform; patches = [ ] ++ optional (targetPlatform != hostPlatform) ../libstdc++-target.patch ++ optional noSysDirs ../no-sys-dirs.patch ++ optional langFortran ../gfortran-driving.patch; /* Cross-gcc settings (build == host != target) */ crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt"; stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final"; crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else ""; in stdenv.mkDerivation ({ name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}"; builder = ../builder.sh; src = fetchurl { url = "mirror://gcc/snapshots/${version}/gcc-${version}.tar.bz2"; sha256 = "19197rw1xrpkb8h10lfgn6zj7yj52x95hdmr0x5lg8i4v3i23b67"; }; inherit patches; outputs = [ "out" "lib" "man" "info" ]; setOutputFlags = false; NIX_NO_SELF_RPATH = true; libc_dev = stdenv.cc.libc_dev; hardeningDisable = [ "format" "pie" ]; postPatch = 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' and \`UCLIBC_DYNAMIC_LINKER' macros..." for header in "gcc/config/"*-gnu.h "gcc/config/"*"/"*.h do grep -q LIBC_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' done '' else null; 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 ]; buildInputs = [ gmp mpfr libmpc libelf flex 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) ; NIX_LDFLAGS = stdenv.lib.optionalString hostPlatform.isSunOS "-lm -ldl"; preConfigure = import ../common/pre-configure.nix { inherit (stdenv) lib; inherit version hostPlatform langGo; }; dontDisableStatic = true; # TODO(@Ericson2314): Always pass "--target" and always prefix. configurePlatforms = [ "build" "host" ] ++ stdenv.lib.optional (targetPlatform != hostPlatform) "target"; configureFlags = import ../common/configure-flags.nix { inherit stdenv targetPackages crossStageStatic libcCross version gmp mpfr libmpc libelf isl enableLTO enableMultilib enablePlugin enableShared langC langCC langFortran langGo langObjC langObjCpp ; }; targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null; buildFlags = optional (targetPlatform == hostPlatform && hostPlatform == buildPlatform) (if profiledCompiler then "profiledbootstrap" else "bootstrap"); dontStrip = !stripped; NIX_STRIP_DEBUG = !stripped; installTargets = if stripped then "install-strip" else "install"; # 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)); EXTRA_TARGET_FLAGS = optionals (targetPlatform != hostPlatform && libcCross != null) ([ "-idirafter ${getDev libcCross}${libcCross.incdir or "/include"}" ] ++ optionals (! crossStageStatic) [ "-B${libcCross.out}${libcCross.libdir or "/lib"}" ]); EXTRA_TARGET_LDFLAGS = optionals (targetPlatform != hostPlatform && libcCross != null) ([ "-Wl,-L${libcCross.out}${libcCross.libdir or "/lib"}" ] ++ (if crossStageStatic then [ "-B${libcCross.out}${libcCross.libdir or "/lib"}" ] else [ "-Wl,-rpath,${libcCross.out}${libcCross.libdir or "/lib"}" "-Wl,-rpath-link,${libcCross.out}${libcCross.libdir or "/lib"}" ])); passthru = { inherit langC langCC langObjC langObjCpp langFortran langGo version; isGNU = true; }; enableParallelBuilding = true; inherit enableMultilib; inherit (stdenv) is64bit; meta = { homepage = https://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; [ ]; platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.freebsd ++ stdenv.lib.platforms.illumos ++ stdenv.lib.platforms.darwin; broken = true; }; } // optionalAttrs (targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt" && crossStageStatic) { makeFlags = [ "all-gcc" "all-target-libgcc" ]; installTargets = "install-gcc install-target-libgcc"; } // optionalAttrs (enableMultilib) { dontMoveLib64 = true; } )