diff options
Diffstat (limited to 'pkgs/stdenv/adapters.nix')
| -rw-r--r-- | pkgs/stdenv/adapters.nix | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/pkgs/stdenv/adapters.nix b/pkgs/stdenv/adapters.nix index 8ff64ff9a3ae5..43fa87d14d880 100644 --- a/pkgs/stdenv/adapters.nix +++ b/pkgs/stdenv/adapters.nix @@ -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. |