X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=utils%2Fghc-pkg%2Fghc-pkg.cabal;h=393e44d4158a0a1583505a91580542bc4e9fccf7;hb=b769418ce58fd409f580e4625ef7dbb9b42dacbf;hp=cefad041dd547f3fb88717a4f75a55200c89f8fc;hpb=33fd028c5ee862fc97ac3cf79329b40608fbaab6;p=ghc-hetmet.git

diff --git a/utils/ghc-pkg/ghc-pkg.cabal b/utils/ghc-pkg/ghc-pkg.cabal
index cefad04..393e44d 100644
--- a/utils/ghc-pkg/ghc-pkg.cabal
+++ b/utils/ghc-pkg/ghc-pkg.cabal
@@ -13,19 +13,31 @@ Category: Development
 build-type: Simple
 cabal-version: >=1.2
 
+Flag base4
+    Description: Choose the even newer, even smaller, split-up base package.
+
 Flag base3
   Description: Choose the new smaller, split-up base package.
 
 Executable ghc-pkg
     Main-Is: Main.hs
     Extensions: CPP, ForeignFunctionInterface
+
+    if flag(base4)
+        Build-Depends: base       >= 4   && < 5
     if flag(base3)
-        Build-Depends: base       >= 3   && < 5,
-                       directory  >= 1   && < 1.1,
+        Build-Depends: base       >= 3   && < 4
+    if !flag(base3) && !flag(base4)
+        Build-Depends: base       < 3
+
+    if flag(base3) || flag(base4)
+        Build-Depends: directory  >= 1   && < 1.1,
                        process    >= 1   && < 1.1,
                        pretty     >= 1   && < 1.1
-    else
-        Build-Depends: base < 3
+
+    if impl(ghc < 6.9)
+        Build-Depends: extensible-exceptions
+
     Build-Depends: haskell98, filepath, Cabal
     if !os(windows)
         Build-Depends: unix