[Haskell-cafe] c2hs on mac
duncan.coutts at worc.ox.ac.uk
Thu Apr 12 06:30:42 EDT 2007
On Thu, 2007-04-12 at 18:55 +1000, Ruben Zilibowitz wrote:
> Ok I managed to check out a version from darcs. Now this is happening:
> ./Setup.hs build
> Preprocessing executables for c2hs-0.14.6...
> Setup.hs: c2hs/c/CLexer.x: no alex preprocessor available
> The installation instructions don't mention that I need the alex
The tarball versions come with pre-generated lexer and parser files but
the darcs version does not.
> I guess I can just install it and try again. Are there any other
> prerequisites though?
Yes, you also need 'happy' the parser generator.
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