concurrent, unique, timeout have now been split off from base

[ghc-hetmet.git] / utils / ghc-pkg / ghc-pkg.cabal

diff --git a/utils/ghc-pkg/ghc-pkg.cabal b/utils/ghc-pkg/ghc-pkg.cabal
index 1e862a7..0ab3534 100644 (file)
--- a/utils/ghc-pkg/ghc-pkg.cabal
+++ b/utils/ghc-pkg/ghc-pkg.cabal
@@ -31,7 +31,8 @@ Executable ghc-pkg
         Build-Depends: base       < 3
 
     if flag(base4)
-        Build-Depends: getopt     >= 0.1 && < 0.2
+        Build-Depends: concurrent >= 0.1 && < 0.2,
+                       getopt     >= 0.1 && < 0.2
 
     if flag(base3) || flag(base4)
         Build-Depends: directory  >= 1   && < 1.1,