ghcjs: fix evaluation error in with-packages-wrapper.nix some more

2015-03-28 11:46:27 +01:00
parent acdc2c019d
commit b1e854d660
1 changed files with 1 additions and 1 deletions
--- a/pkgs/development/haskell-modules/with-packages-wrapper.nix
+++ b/pkgs/development/haskell-modules/with-packages-wrapper.nix
@@ -51,7 +51,7 @@ buildEnv {
  postBuild = ''
    . ${makeWrapper}/nix-support/setup-hook

-    ${optionalString ghc.isGhcjs ''
+    ${optionalString (ghc.isGhcjs or false) ''
    cp -r "${ghc}/${ghc.libDir}/"* ${libDir}/
    ''}