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stdenv: throw when using mold for targeting darwin (#338984)

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Artturin 2024-09-02 21:24:45 +03:00 committed by GitHub
commit d60e6bf881
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1 changed files with 21 additions and 19 deletions
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40
pkgs/stdenv/adapters.nix
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@ -261,25 +261,27 @@ rec {
in
overrideCC targetStdenv cc;
useMoldLinker = stdenv: let
bintools = stdenv.cc.bintools.override {
extraBuildCommands = ''
wrap ${stdenv.cc.bintools.targetPrefix}ld.mold ${../build-support/bintools-wrapper/ld-wrapper.sh} ${pkgs.mold}/bin/ld.mold
wrap ${stdenv.cc.bintools.targetPrefix}ld ${../build-support/bintools-wrapper/ld-wrapper.sh} ${pkgs.mold}/bin/ld.mold
'';
};
in stdenv.override (old: {
allowedRequisites = null;
cc = stdenv.cc.override { inherit bintools; };
# gcc >12.1.0 supports '-fuse-ld=mold'
# the wrap ld above in bintools supports gcc <12.1.0 and shouldn't harm >12.1.0
# https://github.com/rui314/mold#how-to-use
} // lib.optionalAttrs (stdenv.cc.isClang || (stdenv.cc.isGNU && lib.versionAtLeast stdenv.cc.version "12")) {
mkDerivationFromStdenv = extendMkDerivationArgs old (args: {
NIX_CFLAGS_LINK = toString (args.NIX_CFLAGS_LINK or "") + " -fuse-ld=mold";
});
});
useMoldLinker = stdenv:
if stdenv.targetPlatform.isDarwin
then throw "Mold can't be used to emit Mach-O (Darwin) binaries"
else let
bintools = stdenv.cc.bintools.override {
extraBuildCommands = ''
wrap ${stdenv.cc.bintools.targetPrefix}ld.mold ${../build-support/bintools-wrapper/ld-wrapper.sh} ${pkgs.mold}/bin/ld.mold
wrap ${stdenv.cc.bintools.targetPrefix}ld ${../build-support/bintools-wrapper/ld-wrapper.sh} ${pkgs.mold}/bin/ld.mold
'';
};
in stdenv.override (old: {
allowedRequisites = null;
cc = stdenv.cc.override { inherit bintools; };
# gcc >12.1.0 supports '-fuse-ld=mold'
# the wrap ld above in bintools supports gcc <12.1.0 and shouldn't harm >12.1.0
# https://github.com/rui314/mold#how-to-use
} // lib.optionalAttrs (stdenv.cc.isClang || (stdenv.cc.isGNU && lib.versionAtLeast stdenv.cc.version "12")) {
mkDerivationFromStdenv = extendMkDerivationArgs old (args: {
NIX_CFLAGS_LINK = toString (args.NIX_CFLAGS_LINK or "") + " -fuse-ld=mold";
});
});
/* Modify a stdenv so that it builds binaries optimized specifically
for the machine they are built on.