Status: New Owner: ---- New issue 563 by Ian...@gmail.com: xmonad-contrib build fails on MultiToggle.hs http://code.google.com/p/xmonad/issues/detail?id=563 What steps will reproduce the problem? 1.cabal install --gobal xmonad-contrib [ 10 of 226] Compiling XMonad.Layout.MultiToggle ( XMonad/Layout/MultiToggle.hs, dist/build/XMonad/Layout/MultiToggle.o ) XMonad/Layout/MultiToggle.hs:162:9: Could not deduce (HList b w0) arising from the ambiguity check for '??' from the context (HList b w) bound by the type signature for (??) :: HList b w => a -> b -> HCons a b at XMonad/Layout/MultiToggle.hs:162:9-42 The type variable 'w0' is ambiguous In the ambiguity check for: forall a b w. HList b w => a -> b -> HCons a b To defer the ambiguity check to use sites, enable AllowAmbiguousTypes In the type signature for '??': (??) :: HList b w => a -> b -> HCons a b Failed to install xmonad-contrib-0.11.2 cabal: Error: some packages failed to install: xmonad-contrib-0.11.2 failed during the building phase. The exception was: ExitFailure 1 What version of the product are you using? On what operating system? Ubuntu 13.10 ghc 7.7.20131127 xmonad-contrib-0.11.2 -- You received this message because this project is configured to send all issue notifications to this address. You may adjust your notification preferences at: https://code.google.com/hosting/settings