language/haskell: optionally add args to install.

1 files changed, 3 insertions, 3 deletions

diff --git a/Library/Homebrew/language/haskell.rb b/Library/Homebrew/language/haskell.rb
index c4d964682..97eaaa087 100644
--- a/Library/Homebrew/language/haskell.rb
+++ b/Library/Homebrew/language/haskell.rb
@@ -54,12 +54,12 @@ module Language
         rm_rf lib
       end
 
-      def install_cabal_package
+      def install_cabal_package args=[]
         cabal_sandbox do
           # the dependencies are built first and installed locally, and only the
           # current package is actually installed in the destination dir
-          cabal_install "--only-dependencies"
-          cabal_install "--prefix=#{prefix}"
+          cabal_install "--only-dependencies", *args
+          cabal_install "--prefix=#{prefix}", *args
         end
         cabal_clean_lib
       end