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What happens if I push all of nixpkgs
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Nix
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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"; is14 = majorVersion == "14"; is13 = majorVersion == "13"; is12 = majorVersion == "12"; is11 = majorVersion == "11"; is10 = majorVersion == "10"; is9 = majorVersion == "9";
# releases have a form: MAJOR.MINOR.MICRO, like 14.2.1 # snapshots have a form like MAJOR.MINOR.MICRO.DATE, like 14.2.1.20250322 isSnapshot = lib.length (lib.splitVersion version) == 4; # return snapshot date of gcc's given version: # "14.2.1.20250322" -> "20250322" # "14.2.0" -> "" snapDate = lib.concatStrings (lib.drop 3 (lib.splitVersion version)); # return base version without a snapshot: # "14.2.1.20250322" -> "14.2.1" # "14.2.0" -> "14.2.0" baseVersion = lib.concatStringsSep "." (lib.take 3 (lib.splitVersion version));
disableBootstrap = atLeast11 && !stdenv.hostPlatform.isDarwin && (atLeast12 -> !profiledCompiler);
inherit (stdenv) buildPlatform hostPlatform targetPlatform; targetConfig = if (!lib.systems.equals targetPlatform hostPlatform) then targetPlatform.config else null;
patches = callFile ./patches { };
# Cross-gcc settings (build == host != target) crossMingw = (!lib.systems.equals targetPlatform hostPlatform) && targetPlatform.isMinGW; stageNameAddon = optionalString withoutTargetLibc "-nolibc"; crossNameAddon = optionalString ( !lib.systems.equals targetPlatform hostPlatform ) "${targetPlatform.config}${stageNameAddon}-";
targetPrefix = lib.optionalString ( !lib.systems.equals stdenv.targetPlatform stdenv.hostPlatform ) "${stdenv.targetPlatform.config}-";
callFile = callPackageWith { # lets inherit majorVersion isSnapshot version buildPlatform hostPlatform targetPlatform targetConfig patches crossMingw stageNameAddon crossNameAddon ; # inherit generated with 'nix eval --json --impure --expr "with import ./. {}; lib.attrNames (lib.functionArgs gcc${majorVersion}.cc.override)" | jq '.[]' --raw-output' inherit apple-sdk binutils buildPackages cargo withoutTargetLibc darwin disableBootstrap disableGdbPlugin enableLTO enableMultilib enablePlugin enableShared fetchpatch fetchurl flex 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 langAda -> gnat-bootstrap != null;
# TODO: fixup D bootstrapping, probably by using gdc11 (and maybe other changes).# error: GDC is required to build dassert atLeast12 -> !langD;
# threadsCross is just for MinGWassert threadsCross != { } -> stdenv.targetPlatform.isWindows;
# profiledCompiler builds inject non-determinism in one of the compilation stages.# If turned on, we can't provide reproducible builds anymoreassert reproducibleBuild -> profiledCompiler == false;
pipe ((callFile ./common/builder.nix { }) ( { pname = "${crossNameAddon}${name}"; # retain snapshot date in package version, but not in final version # as the version is frequently used to construct pathnames (at least # in cc-wrapper). name = "${crossNameAddon}${name}-${version}"; version = baseVersion;
src = fetchurl { url = if isSnapshot then "mirror://gcc/snapshots/${majorVersion}-${snapDate}/gcc-${majorVersion}-${snapDate}.tar.xz" else "mirror://gcc/releases/gcc-${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 $configureScript done
# Make sure nixpkgs versioning match upstream one # to ease version-based comparisons. gcc_base_version=$(< gcc/BASE-VER) if [[ ${baseVersion} != $gcc_base_version ]]; then echo "Please update 'version' variable:" echo " Expected: '$gcc_base_version'" echo " Actual: '${version}'" exit 1 fi '' # This should kill all the stdinc frameworks that gcc and friends like to # insert into default search paths. + optionalString hostPlatform.isDarwin '' substituteInPlace gcc/config/darwin-c.c${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 ((!lib.systems.equals 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 { inherit targetPrefix; };
inherit targetConfig;
buildFlags = # we do not yet have Nix-driven profiling assert atLeast12 -> (profiledCompiler -> !disableBootstrap); if atLeast11 then let target = optionalString (profiledCompiler) "profiled" + optionalString ( (lib.systems.equals targetPlatform hostPlatform) && (lib.systems.equals hostPlatform buildPlatform) && !disableBootstrap ) "bootstrap"; in optional (target != "") target else optional ( (lib.systems.equals targetPlatform hostPlatform) && (lib.systems.equals 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, regardless 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 (lib.systems.equals targetPlatform hostPlatform) ( makeSearchPathOutput "dev" "include" ([ ] ++ optional (zlib != null) zlib) );
LIBRARY_PATH = optionals (lib.systems.equals 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 (!atLeast12 && stdenv.cc.isClang && (!lib.systems.equals targetPlatform hostPlatform)) { NIX_CFLAGS_COMPILE = "-Wno-register"; } );
passthru = { inherit langC langCC langObjC langObjCpp langAda langFortran langGo langD version ; isGNU = true; hardeningUnsupportedFlags = optional (!atLeast11) "zerocallusedregs" ++ optionals (!atLeast12) [ "fortify3" "trivialautovarinit" ] ++ optionals (!atLeast13) [ "strictflexarrays1" "strictflexarrays3" ] ++ optional ( !(targetPlatform.isLinux && targetPlatform.isx86_64 && targetPlatform.libc == "glibc") ) "shadowstack" ++ optional (!(targetPlatform.isLinux && targetPlatform.isAarch64)) "pacret" ++ optionals (langFortran) [ "fortify" "format" ]; };
enableParallelBuilding = true; inherit enableShared enableMultilib;
meta = { inherit (callFile ./common/meta.nix { inherit targetPrefix; }) homepage license description longDescription platforms teams mainProgram ; } // optionalAttrs (!atLeast11) { badPlatforms = [ "aarch64-darwin" ]; } // optionalAttrs is10 { badPlatforms = if (!lib.systems.equals 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 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; }) ] )