{ lib, stdenv, targetPackages, fetchurl, fetchpatch, fetchFromGitHub, noSysDirs , langC ? true, langCC ? true, langFortran ? false , langAda ? false , langObjC ? stdenv.targetPlatform.isDarwin , langObjCpp ? stdenv.targetPlatform.isDarwin , langD ? false , langGo ? false , reproducibleBuild ? true , profiledCompiler ? false , langJit ? false , langRust ? false , cargo , staticCompiler ? false , enableShared ? stdenv.targetPlatform.hasSharedLibraries , enableLTO ? stdenv.hostPlatform.hasSharedLibraries , texinfo ? null , perl ? null # optional, for texi2pod (then pod2man) , gmp, mpfr, libmpc, gettext, which, patchelf, binutils , isl ? null # optional, for the Graphite optimization framework. , zlib ? null , libucontext ? null , gnat-bootstrap ? null , enableMultilib ? false , enablePlugin ? stdenv.hostPlatform == stdenv.buildPlatform # Whether to support user-supplied plug-ins , name ? "gcc" , libcCross ? null , threadsCross ? null # for MinGW , withoutTargetLibc ? false , gnused ? null , buildPackages , pkgsBuildTarget , libxcrypt , disableGdbPlugin ? !enablePlugin || (stdenv.targetPlatform.isAvr && stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) , nukeReferences , callPackage , majorMinorVersion , cctools , darwin }: let inherit (lib) callPackageWith filter getBin maintainers makeLibraryPath makeSearchPathOutput mapAttrs optional optionalAttrs optionals optionalString pipe platforms versionAtLeast versions ; gccVersions = import ./versions.nix; version = gccVersions.fromMajorMinor majorMinorVersion; majorVersion = versions.major version; atLeast14 = versionAtLeast version "14"; atLeast13 = versionAtLeast version "13"; atLeast12 = versionAtLeast version "12"; atLeast11 = versionAtLeast version "11"; atLeast10 = versionAtLeast version "10"; atLeast9 = versionAtLeast version "9"; atLeast8 = versionAtLeast version "8"; is14 = majorVersion == "14"; is13 = majorVersion == "13"; is12 = majorVersion == "12"; is11 = majorVersion == "11"; is10 = majorVersion == "10"; is9 = majorVersion == "9"; is8 = majorVersion == "8"; is7 = majorVersion == "7"; disableBootstrap = atLeast11 && !stdenv.hostPlatform.isDarwin && (atLeast12 -> !profiledCompiler); inherit (stdenv) buildPlatform hostPlatform targetPlatform; targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null; patches = callFile ./patches {}; /* Cross-gcc settings (build == host != target) */ crossMingw = targetPlatform != hostPlatform && targetPlatform.isMinGW; stageNameAddon = optionalString withoutTargetLibc "-nolibc"; crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}${stageNameAddon}-"; callFile = callPackageWith { # lets inherit majorVersion version buildPlatform hostPlatform targetPlatform targetConfig patches crossMingw stageNameAddon crossNameAddon ; # inherit generated with 'nix eval --json --impure --expr "with import ./. {}; lib.attrNames (lib.functionArgs gcc${majorVersion}.cc.override)" | jq '.[]' --raw-output' inherit binutils buildPackages cargo withoutTargetLibc darwin disableBootstrap disableGdbPlugin enableLTO enableMultilib enablePlugin enableShared fetchpatch fetchurl gettext gmp gnat-bootstrap gnused isl langAda langC langCC langD langFortran langGo langJit langObjC langObjCpp langRust lib libcCross libmpc libucontext libxcrypt mpfr name noSysDirs nukeReferences patchelf perl pkgsBuildTarget profiledCompiler reproducibleBuild staticCompiler stdenv targetPackages texinfo threadsCross which zlib ; }; in # Make sure we get GNU sed. assert stdenv.buildPlatform.isDarwin -> gnused != null; # The go frontend is written in c++ assert langGo -> langCC; assert (!is7 && !is8) -> (langAda -> gnat-bootstrap != null); # TODO: fixup D bootstapping, probably by using gdc11 (and maybe other changes). # error: GDC is required to build d assert atLeast12 -> !langD; # threadsCross is just for MinGW assert threadsCross != {} -> stdenv.targetPlatform.isWindows; # profiledCompiler builds inject non-determinism in one of the compilation stages. # If turned on, we can't provide reproducible builds anymore assert reproducibleBuild -> profiledCompiler == false; pipe ((callFile ./common/builder.nix {}) ({ pname = "${crossNameAddon}${name}"; inherit version; src = fetchurl { url = "mirror://gcc/releases/gcc-${version}/gcc-${version}.tar.xz"; ${if is10 || is11 || is13 then "hash" else "sha256"} = gccVersions.srcHashForVersion version; }; inherit patches; outputs = [ "out" "man" "info" ] ++ optional (!langJit) "lib"; setOutputFlags = false; libc_dev = stdenv.cc.libc_dev; hardeningDisable = [ "format" "pie" "stackclashprotection" ] ++ optionals (is11 && langAda) [ "fortify3" ]; postPatch = '' configureScripts=$(find . -name configure) for configureScript in $configureScripts; do patchShebangs $configureScript done '' # This should kill all the stdinc frameworks that gcc and friends like to # insert into default search paths. + optionalString hostPlatform.isDarwin '' substituteInPlace gcc/config/darwin-c.c${optionalString atLeast12 "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" '' + ( optionalString (targetPlatform != hostPlatform || stdenv.cc.libc != null) # 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,UCLIBC,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 '' + optionalString (targetPlatform.libc == "musl") '' sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR' '' ) )) + optionalString targetPlatform.isAvr ('' makeFlagsArray+=( '-s' # workaround for hitting hydra log limit 'LIMITS_H_TEST=false' ) ''); inherit noSysDirs staticCompiler withoutTargetLibc libcCross crossMingw; inherit (callFile ./common/dependencies.nix { }) depsBuildBuild nativeBuildInputs depsBuildTarget buildInputs depsTargetTarget; preConfigure = (callFile ./common/pre-configure.nix { }) + optionalString atLeast10 '' ln -sf ${libxcrypt}/include/crypt.h libsanitizer/sanitizer_common/crypt.h ''; dontDisableStatic = true; configurePlatforms = [ "build" "host" "target" ]; configureFlags = (callFile ./common/configure-flags.nix { }) ++ optional (is7 && targetPlatform.isAarch64) "--enable-fix-cortex-a53-843419" ++ optional (is7 && targetPlatform.isNetBSD) "--disable-libcilkrts"; inherit targetConfig; buildFlags = # we do not yet have Nix-driven profiling assert atLeast12 -> (profiledCompiler -> !disableBootstrap); if atLeast11 then let target = optionalString (profiledCompiler) "profiled" + optionalString (targetPlatform == hostPlatform && hostPlatform == buildPlatform && !disableBootstrap) "bootstrap"; in optional (target != "") target else optional (targetPlatform == hostPlatform && hostPlatform == buildPlatform) (if profiledCompiler then "profiledbootstrap" else "bootstrap"); inherit (callFile ./common/strip-attributes.nix { }) stripDebugList stripDebugListTarget preFixup; # https://gcc.gnu.org/PR109898 enableParallelInstalling = false; env = mapAttrs (_: v: toString v) ({ NIX_NO_SELF_RPATH = true; # 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. # # The LTO code doesn't find zlib, so we just add it to $CPATH and # $LIBRARY_PATH in this case. # # 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 )); NIX_LDFLAGS = optionalString hostPlatform.isSunOS "-lm"; inherit (callFile ./common/extra-target-flags.nix { }) EXTRA_FLAGS_FOR_TARGET EXTRA_LDFLAGS_FOR_TARGET ; } // optionalAttrs is7 { NIX_CFLAGS_COMPILE = optionalString (stdenv.cc.isClang && langFortran) "-Wno-unused-command-line-argument" # Downgrade register storage class specifier errors to warnings when building a cross compiler from a clang stdenv. + optionalString (stdenv.cc.isClang && targetPlatform != hostPlatform) " -Wno-register"; } // optionalAttrs (!is7 && !atLeast12 && stdenv.cc.isClang && targetPlatform != hostPlatform) { NIX_CFLAGS_COMPILE = "-Wno-register"; }); passthru = { inherit langC langCC langObjC langObjCpp langAda langFortran langGo langD version; isGNU = true; hardeningUnsupportedFlags = optional ( (targetPlatform.isAarch64 && !atLeast9) || !atLeast8 ) "stackclashprotection" ++ optional (!atLeast11) "zerocallusedregs" ++ optionals (!atLeast12) [ "fortify3" "trivialautovarinit" ] ++ optional (!( atLeast8 && targetPlatform.isLinux && targetPlatform.isx86_64 && targetPlatform.libc == "glibc" )) "shadowstack" ++ optional (!(atLeast9 && targetPlatform.isLinux && targetPlatform.isAarch64)) "pacret" ++ optionals (langFortran) [ "fortify" "format" ]; }; enableParallelBuilding = true; inherit enableShared enableMultilib; meta = { inherit (callFile ./common/meta.nix { }) homepage license description longDescription platforms maintainers ; } // optionalAttrs (!atLeast11) { badPlatforms = # avr-gcc8 is maintained for the `qmk` package if (is8 && targetPlatform.isAvr) then [] else [ "aarch64-darwin" ]; } // optionalAttrs is10 { badPlatforms = if targetPlatform != hostPlatform then [ "aarch64-darwin" ] else [ ]; }; } // optionalAttrs (!atLeast10 && stdenv.targetPlatform.isDarwin) { # GCC <10 requires default cctools `strip` instead of `llvm-strip` used by Darwin bintools. preBuild = '' makeFlagsArray+=('STRIP=${getBin cctools}/bin/${stdenv.cc.targetPrefix}strip') ''; } // optionalAttrs (!atLeast8) { doCheck = false; # requires a lot of tools, causes a dependency cycle for stdenv } // optionalAttrs enableMultilib { dontMoveLib64 = true; } )) ([ (callPackage ./common/libgcc.nix { inherit version langC langCC langJit targetPlatform hostPlatform withoutTargetLibc enableShared libcCross; }) ] ++ optionals atLeast11 [ (callPackage ./common/checksum.nix { inherit langC langCC; }) ])