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haskell-generic-builder: pass "--with-gcc=$CC" on Darwin to help Cabal find Clang

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Suggested in https://github.com/NixOS/nixpkgs/pull/5746.
This commit is contained in:
Peter Simons 2015-01-13 21:34:23 +01:00
parent 07966befee
commit 67312f83ad
1 changed files with 2 additions and 0 deletions
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pkgs/development/haskell-modules/generic-builder.nix
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@ -117,6 +117,8 @@ stdenv.mkDerivation ({
${optionalString (versionOlder "7.8" ghc.version && !isLibrary) '' ${optionalString (versionOlder "7.8" ghc.version && !isLibrary) ''
configureFlags+=" --ghc-option=-j$NIX_BUILD_CORES" configureFlags+=" --ghc-option=-j$NIX_BUILD_CORES"
setupCompileFlags="-j$NIX_BUILD_CORES" setupCompileFlags="-j$NIX_BUILD_CORES"
''}${optionalString stdenv.isDarwin ''
configureFlags+=" --with-gcc=$CC" # Cabal won't find clang without help.
''} ''}
packageConfDir="$TMP/package.conf.d" packageConfDir="$TMP/package.conf.d"