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Merge pull request #216383 from Artturin/bintoolswrappermold

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Artturi 2023-02-17 19:32:06 +02:00 committed by GitHub
commit ee54eb7d21
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2 changed files with 28 additions and 5 deletions
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11
pkgs/build-support/bintools-wrapper/default.nix
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@ -183,7 +183,9 @@ stdenv.mkDerivation {
done
'' + (if !useMacosReexportHack then ''
wrap ${targetPrefix}ld ${./ld-wrapper.sh} ''${ld:-$ldPath/${targetPrefix}ld}
if [ -e ''${ld:-$ldPath/${targetPrefix}ld} ]; then
wrap ${targetPrefix}ld ${./ld-wrapper.sh} ''${ld:-$ldPath/${targetPrefix}ld}
fi
'' else ''
ldInner="${targetPrefix}ld-reexport-delegate"
wrap "$ldInner" ${./macos-sierra-reexport-hack.bash} ''${ld:-$ldPath/${targetPrefix}ld}
@ -191,10 +193,9 @@ stdenv.mkDerivation {
unset ldInner
'') + ''
for variant in ld.gold ld.bfd ld.lld; do
local underlying=$ldPath/${targetPrefix}$variant
[[ -e "$underlying" ]] || continue
wrap ${targetPrefix}$variant ${./ld-wrapper.sh} $underlying
for variant in $ldPath/${targetPrefix}ld.*; do
basename=$(basename "$variant")
wrap $basename ${./ld-wrapper.sh} $variant
done
'';

22
pkgs/stdenv/adapters.nix
View file

@ -189,6 +189,28 @@ rec {
});
});
useMoldLinker = stdenv: let
bintools = stdenv.cc.bintools.override {
extraBuildCommands = ''
wrap ld.mold ${../build-support/bintools-wrapper/ld-wrapper.sh} ${pkgs.mold}/bin/ld.mold
wrap ld ${../build-support/bintools-wrapper/ld-wrapper.sh} ${pkgs.mold}/bin/ld.mold
'';
};
in stdenv.override (old: {
cc = stdenv.cc.override {
inherit bintools;
};
allowedRequisites =
lib.mapNullable (rs: rs ++ [ bintools pkgs.mold (lib.getLib pkgs.mimalloc) (lib.getLib pkgs.openssl) ]) (stdenv.allowedRequisites or null);
# 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.