From 817c0e41443a5176baf6dd9b422878fdccecd266 Mon Sep 17 00:00:00 2001 From: Peter Simons Date: Sat, 16 Aug 2014 17:42:11 +0200 Subject: cabal: enable multi-threaded builds with GHC 7.8.x or later https://github.com/NixOS/nixpkgs/issues/3220 --- pkgs/build-support/cabal/default.nix | 3 +++ 1 file changed, 3 insertions(+) (limited to 'pkgs/build-support') diff --git a/pkgs/build-support/cabal/default.nix b/pkgs/build-support/cabal/default.nix index a55de86cb155..d73b4a1f364c 100644 --- a/pkgs/build-support/cabal/default.nix +++ b/pkgs/build-support/cabal/default.nix @@ -210,6 +210,9 @@ assert !enableStaticLibraries -> versionOlder "7.7" ghc.version; ${optionalString (self.enableSharedExecutables && self.stdenv.isDarwin) '' configureFlags+=" --ghc-option=-optl=-Wl,-headerpad_max_install_names" ''} + ${optionalString (versionOlder "7.8" ghc.version) '' + configureFlags+=" --ghc-option=-j$NIX_BUILD_CORES" + ''} echo "configure flags: $extraConfigureFlags $configureFlags" ./Setup configure --verbose --prefix="$out" --libdir='$prefix/lib/$compiler' \ -- cgit 1.4.1