pkgs/build-support/cabal: strip unnecessary --extra-lib-dir arguments for haskell packages

Packages that are registered in the ghc-pkg database don't need any extra flags passed for Cabal to recognize them.
2013-03-28 12:58:10 +01:00 · 2013-03-28 12:58:10 +01:00 · 0e1dfe702d
commit 0e1dfe702d
parent 0823aea0a6
1 changed files with 3 additions and 1 deletions
--- a/pkgs/build-support/cabal/default.nix
+++ b/pkgs/build-support/cabal/default.nix
@ -115,7 +115,9 @@
                fi
                for d in lib{,64}; do
                  if [ -d "$p/$d" ]; then
-                    extraConfigureFlags+=" --extra-lib-dir=$p/$d"
+                    if [ ! -d "$p/$d/ghc-pkgs" ]; then
+                      extraConfigureFlags+=" --extra-lib-dir=$p/$d"
+                    fi
                  fi
                done
              done