pyrox.dev
stdenv: throw when using mold for targeting darwin (#338984)
+21
-19
pkgs/stdenv/adapters.nix
+21
-19
pkgs/stdenv/adapters.nix
···
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in
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overrideCC targetStdenv cc;
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-
useMoldLinker = stdenv: let
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bintools = stdenv.cc.bintools.override {
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extraBuildCommands = ''
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wrap ${stdenv.cc.bintools.targetPrefix}ld.mold ${../build-support/bintools-wrapper/ld-wrapper.sh} ${pkgs.mold}/bin/ld.mold
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wrap ${stdenv.cc.bintools.targetPrefix}ld ${../build-support/bintools-wrapper/ld-wrapper.sh} ${pkgs.mold}/bin/ld.mold
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'';
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};
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in stdenv.override (old: {
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allowedRequisites = null;
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cc = stdenv.cc.override { inherit bintools; };
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# gcc >12.1.0 supports '-fuse-ld=mold'
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# the wrap ld above in bintools supports gcc <12.1.0 and shouldn't harm >12.1.0
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# https://github.com/rui314/mold#how-to-use
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} // lib.optionalAttrs (stdenv.cc.isClang || (stdenv.cc.isGNU && lib.versionAtLeast stdenv.cc.version "12")) {
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mkDerivationFromStdenv = extendMkDerivationArgs old (args: {
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NIX_CFLAGS_LINK = toString (args.NIX_CFLAGS_LINK or "") + " -fuse-ld=mold";
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});
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});
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-
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+
useMoldLinker = stdenv:
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if stdenv.targetPlatform.isDarwin
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then throw "Mold can't be used to emit Mach-O (Darwin) binaries"
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else let
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bintools = stdenv.cc.bintools.override {
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extraBuildCommands = ''
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wrap ${stdenv.cc.bintools.targetPrefix}ld.mold ${../build-support/bintools-wrapper/ld-wrapper.sh} ${pkgs.mold}/bin/ld.mold
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wrap ${stdenv.cc.bintools.targetPrefix}ld ${../build-support/bintools-wrapper/ld-wrapper.sh} ${pkgs.mold}/bin/ld.mold
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'';
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};
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in stdenv.override (old: {
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allowedRequisites = null;
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cc = stdenv.cc.override { inherit bintools; };
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# gcc >12.1.0 supports '-fuse-ld=mold'
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# the wrap ld above in bintools supports gcc <12.1.0 and shouldn't harm >12.1.0
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# https://github.com/rui314/mold#how-to-use
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} // lib.optionalAttrs (stdenv.cc.isClang || (stdenv.cc.isGNU && lib.versionAtLeast stdenv.cc.version "12")) {
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mkDerivationFromStdenv = extendMkDerivationArgs old (args: {
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NIX_CFLAGS_LINK = toString (args.NIX_CFLAGS_LINK or "") + " -fuse-ld=mold";
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});
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});
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/* Modify a stdenv so that it builds binaries optimized specifically
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for the machine they are built on.