[Haskell-cafe] RFI: HDBC-1.1.3 build error

[Thomas Hartman]

put 

{-# OPTIONS_GHC -fglasgow-exts #-}

at the the top of the file that complains.





Jim Stuttard <jim.stuttard at talktalk.net> 
Sent by: haskell-cafe-bounces at haskell.org
11/28/2007 08:06 AM
Please respond to
jim.stuttard at talktalk.net


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Subject
[Haskell-cafe] RFI: HDBC-1.1.3 build error






ubuntu gutsy
ghc-6.8.1
HDBC-1.1.3$ runghc Setup.lhs build
Preprocessing library HDBC-1.1.3...
Building HDBC-1.1.3...
[3 of 6] Compiling Database.HDBC.Types ( Database/HDBC/Types.hs, 
dist/build/Database/HDBC/Types.o )

Database/HDBC/Types.hs:208:0:
    Illegal polymorphic or qualified type: forall conn.
                                           (IConnection conn) =>
                                           conn -> b
    In the type signature for `withWConn':
      withWConn :: forall b.
                   ConnWrapper -> (forall conn. (IConnection conn) => 
conn -> b) -> b

TIA
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