Set upper bound for constraints when built with ghc < 7.8

maoe · Dec 28, 2014 · 02878c9 · 02878c9
1 parent 1b3f3fc
commit 02878c9
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/lifted-async.cabal b/lifted-async.cabal
@@ -36,8 +36,13 @@ library
     , transformers-base >= 0.4 && < 0.5
   if flag(monad-control-1)
     build-depends:
-        constraints == 0.4.*
-      , monad-control == 1.0.*
+      monad-control == 1.0.*
+    if impl(ghc >= 7.8)
+      build-depends:
+        constraints >= 0.2 && < 0.5
+    else
+      build-depends:
+        constraints >= 0.2 && <= 0.4
   else
     build-depends:
       monad-control == 0.*