X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fghc.cabal.in;h=deca837ffc35d240e5f76a779fbf06e391a8b979;hb=960b35ddc178f6b8af1a8809aecb0a43177abbc8;hp=7596dde4d75caf9f190d3fb5c527063327f11382;hpb=f23f0af4984014a84faffde9e328b1bf6360be38;p=ghc-hetmet.git

diff --git a/compiler/ghc.cabal.in b/compiler/ghc.cabal.in
index 7596dde..deca837 100644
--- a/compiler/ghc.cabal.in
+++ b/compiler/ghc.cabal.in
@@ -88,14 +88,16 @@ Library
     Extensions: CPP, MagicHash, UnboxedTuples, PatternGuards,
                 ForeignFunctionInterface, EmptyDataDecls,
                 TypeSynonymInstances, MultiParamTypeClasses,
-                FlexibleInstances, Rank2Types, ScopedTypeVariables
+                FlexibleInstances, Rank2Types, ScopedTypeVariables,
+                DeriveDataTypeable
 
     Include-Dirs: . parser utils
 
     if flag(stage1)
         Include-Dirs: stage1
-       if impl(ghc < 6.9)
-           Extensions: PatternSignatures
+        if impl(ghc < 6.9)
+            Build-Depends: extensible-exceptions
+            Extensions: PatternSignatures
     else
         Include-Dirs: stage2plus
     Install-Includes: HsVersions.h, ghc_boot_platform.h