@@ -45,6 +45,7 @@ postProcess deriv@(MkDerivation {..})
4545 | pname == "gtksourceview2" = deriv { extraLibs = "pkgconfig":"libc":extraLibs }
4646 | pname == "haddock" && version < Version [2,14] []
4747 = deriv { buildTools = "alex":"happy":buildTools }
48+ | pname == "haddock" = deriv { phaseOverrides = haddockPreCheck }
4849 | pname == "happy" = deriv { buildTools = "perl":buildTools }
4950 | pname == "haskeline" = deriv { buildDepends = "utf8String":buildDepends }
5051 | pname == "haskell-src" = deriv { buildTools = "happy":buildTools }
@@ -300,3 +301,6 @@ mimeMailConfigureFlags = unlines
300301sybDoCheck, splitDoCheck :: String
301302sybDoCheck = "doCheck = self.stdenv.lib.versionOlder self.ghc.version \"7.9\";"
302303splitDoCheck = sybDoCheck
304+
305+haddockPreCheck :: String
306+haddockPreCheck = "preCheck = \"unset GHC_PACKAGE_PATH\";"