{ stdenv, targetPackages, fetchurl, 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 , # Strip kills static libs of other archs (hence no cross) stripped ? hostPlatform == buildPlatform && targetPlatform == hostPlatform , gnused ? null , cloog # unused; just for compat with gcc4, as we override the parameter on some places , darwin ? null , flex ? 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 = "7-20170409"; enableParallelBuilding = true; 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"; 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=${libcCross}/include" "--with-gcc" "--with-gnu-as" "--with-gnu-ld" "--with-gnu-ld" "--disable-shared" "--disable-nls" "--disable-debug" "--enable-sjlj-exceptions" "--enable-threads=win32" "--disable-win32-registry" ] else if crossStageStatic then [ "--disable-libssp" "--disable-nls" "--without-headers" "--disable-threads" "--disable-libgomp" "--disable-libquadmath" "--disable-shared" "--disable-libatomic" # libatomic requires libc "--disable-decimal-float" # libdecnumber requires libc ] else [ (if crossDarwin then "--with-sysroot=${getLib libcCross}/share/sysroot" else "--with-headers=${getDev libcCross}/include") "--enable-__cxa_atexit" "--enable-long-long" ] ++ (if crossMingw then [ "--enable-threads=win32" "--enable-sjlj-exceptions" "--enable-hash-synchronization" "--enable-libssp" "--disable-nls" "--with-dwarf2" # To keep ABI compatibility with upstream mingw-w64 "--enable-fully-dynamic-string" ] else optionals (targetPlatform.libc == "uclibc") [ # libsanitizer requires netrom/netrom.h which is not # available in uclibc. "--disable-libsanitizer" # In uclibc cases, libgomp needs an additional '-ldl' # and as I don't know how to pass it, I disable libgomp. "--disable-libgomp" ] ++ [ "--enable-threads=posix" "--enable-nls" "--disable-decimal-float" # No final libdecnumber (it may work only in 386) ])); stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final"; crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else ""; bootstrap = targetPlatform == hostPlatform; in stdenv.mkDerivation ({ name = "${name}${if stripped then "" else "-debug"}-${version}" + crossNameAddon; builder = ../builder.sh; src = fetchurl { url = "mirror://gcc/snapshots/${version}/gcc-${version}.tar.bz2"; sha256 = "19197rw1xrpkb8h10lfgn6zj7yj52x95hdmr0x5lg8i4v3i23b67"; }; inherit patches; outputs = [ "out" "lib" "man" "info" ]; setOutputFlags = false; NIX_NO_SELF_RPATH = true; libc_dev = stdenv.cc.libc_dev; hardeningDisable = [ "format" ]; postPatch = if targetPlatform.isHurd then # On GNU/Hurd glibc refers to Hurd & Mach headers and libpthread is not # in glibc, so add the right `-I' flags to the default spec string. assert libcCross != null -> libpthreadCross != null; let libc = if libcCross != null then libcCross else stdenv.glibc; gnu_h = "gcc/config/gnu.h"; extraCPPDeps = libc.propagatedBuildInputs ++ stdenv.lib.optional (libpthreadCross != null) libpthreadCross ++ stdenv.lib.optional (libpthread != null) libpthread; extraCPPSpec = concatStrings (intersperse " " (map (x: "-I${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' 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; # 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 flex 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 $CFLAGS_FOR_TARGET" ''; dontDisableStatic = true; # TODO(@Ericson2314): Always pass "--target" and always prefix. configurePlatforms = [ "build" "host" ] ++ stdenv.lib.optional (targetPlatform != hostPlatform) "target"; configureFlags = # Basic dependencies [ "--with-gmp-include=${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" ] ; targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null; buildFlags = if bootstrap then (if profiledCompiler then "profiledbootstrap" else "bootstrap") else ""; dontStrip = !stripped; NIX_STRIP_DEBUG = !stripped; installTargets = if stripped then "install-strip" else "install"; # 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; [ ]; platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.freebsd ++ 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; } )