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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’ve recently set up a new Haskell working environment on Ubuntu 14.04. I installed the Ubuntu packaged version of Haskell platform.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My problem is that I can’t now get ghc-mod check to work if there is a cabal file in the current directory.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am using:<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>ghc-mod 5.2.1.2 compiled by GHC 7.6.3<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>cabal 1.16.0.2<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>See below an extract of trying to run ghc-mod check in a directory that was empty until I just ran cabal init in it:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>~/tmp-ghc-mod$ ls<o:p></o:p></p><p class=MsoNormal>Setup.hs tmp-ghc-mod.cabal<o:p></o:p></p><p class=MsoNormal>~/tmp-ghc-mod$ ghc-mod check Setup.hs <o:p></o:p></p><p class=MsoNormal>Setup.hs:1:1:Could not find module `Prelude'It is a member of the hidden package `base'.Perhaps you need to add `base' to the build-depends in your .cabal file.It is a member of the hidden package `haskell98-2.0.0.2'.Perhaps you need to add `haskell98' to the build-depends in your .cabal file.It is a member of the hidden package `haskell2010-1.1.1.0'.Perhaps you need to add `haskell2010' to the build-depends in your .cabal file.Use -v to see a list of the files searched for.<o:p></o:p></p><p class=MsoNormal>~/tmp-ghc-mod$ mv tmp-ghc-mod.cabal tmp-ghc-mod.cabal.NOT<o:p></o:p></p><p class=MsoNormal>~/tmp-ghc-mod$ ls<o:p></o:p></p><p class=MsoNormal>dist Setup.hs tmp-ghc-mod.cabal.NOT<o:p></o:p></p><p class=MsoNormal>~/tmp-ghc-mod$ ghc-mod check Setup.hs<o:p></o:p></p><p class=MsoNormal>Setup.hs:2:1:Warning: Top-level binding with no type signature: main :: IO ()<o:p></o:p></p><p class=MsoNormal>~/tmp-ghc-mod$ <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>So… ghc-mod behaves as expected when there is no cabal file, but doesn’t behave as expected if there is a cabal file.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My google fu isn’t helping me out on this: the only issues I have seen are to do with a change in format of the cabal file in newer versions of cabal.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any ideas?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks<o:p></o:p></p><p class=MsoNormal>Alan<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>