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-rw-r--r--pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix2
1 files changed, 2 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
index 0ae88785af23..cef032ff2e77 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
@@ -115,6 +115,8 @@ self: super: {
     license = pkgs.stdenv.lib.licenses.bsd3;
   }) {};
 
+  mono-traversable = addBuildDepend super.mono-traversable self.semigroups;
+
   # diagrams/monoid-extras#19
   monoid-extras = overrideCabal super.monoid-extras (drv: {
     prePatch = "sed -i 's|4\.8|4.9|' monoid-extras.cabal";