haskell.compiler.ghc921: check if ld.gold is available in useLdGold

Since 4c75874560 it is possible to introspect if ld.gold is contained in the used bintools, so we can also check if it is available before deciding to use it as done in the other GHC derivations in 0908812372.
2021-11-30 22:22:30 +01:00
parent c402d95ba5
commit b2e4708105
1 changed files with 2 additions and 1 deletions
@@ -129,7 +129,8 @@ let
  # Use gold either following the default, or to avoid the BFD linker due to some bugs / perf issues.
  # But we cannot avoid BFD when using musl libc due to https://sourceware.org/bugzilla/show_bug.cgi?id=23856
  # see #84670 and #49071 for more background.
-  useLdGold = targetPlatform.linker == "gold" || (targetPlatform.linker == "bfd" && !targetPlatform.isMusl);
+  useLdGold = targetPlatform.linker == "gold" ||
+    (targetPlatform.linker == "bfd" && (targetCC.bintools.bintools.hasGold or false) && !targetPlatform.isMusl);

  # Makes debugging easier to see which variant is at play in `nix-store -q --tree`.
  variantSuffix = lib.concatStrings [