Hello,
I'm trying to do something that should be fairly simple, installing
some DB package so I can use MySQL or SQLite.
However I've had troubles building HSQL, HaskellDB and Takusen before
giving up (I am using ghc 6.8.1 and Cabal-1.2.2.0).
------------------
with HSQL :
Database/HSQL.hsc:66:7:
Could not find module `System.Time':
it is a member of package old-time-1.0.0.0, which is hidden
so I added 'old-time' to the 'build-depends' line in the .cabal file
but then it fails building with
Building hsql-1.7...
[1 of 2] Compiling Database.HSQL.Types ( Database/HSQL/Types.hs, dist/
build/Database/HSQL/Types.o )
Database/HSQL/Types.hs:134:18: Not in scope: type variable `forall'
Database/HSQL/Types.hs:134:25: Not in scope: type variable `a'
Database/HSQL/Types.hs:134:27:
Illegal operator `.' in type `forall a . (Int
-> FieldDef
-> (FieldDef ->
CString -> Int -> IO a) -> IO a)'
(Use -XTypeOperators to allow operators in types)
etc...
At this point, it goes over my head...
---------------
What the hell, I'll use HaskellDB and FlatDB, but then I get this
message while building HaskellDB :
src/Database/HaskellDB/HDBRec.hs:106:11:
Illegal signature in pattern: l f a
Use -XPatternSignatures to permit it
when I add 'PatternSignatures' to the 'Extensions:' line in .cabal,
it fails configuring with :
Setup.hs: haskelldb.cabal:8: Parse of field 'extensions' failed:
Jeeeesus, nevermind, I'll try Takusen
---------------
with Takusen :
$ runhaskell Setup.hs configure
Setup.hs:26:7:
Could not find module `Distribution.Program':
Use -v to see a list of the files searched for.
I give up...
----------------
Is there any simple way to do it though ? Is there any problems with
Cabal that I need to work around ?
Help !!
Manu
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