[Haskell-cafe] Cabal with Alex and and Happy

Isaac Jones ijones at syntaxpolice.org
Wed Jul 6 00:44:57 EDT 2005

Brian Smith <brianlsmith at gmail.com> writes:

> Is there an example of how to build a Cabal package that has a lexer
> generated with Alex and a parser generated with Happy?  As far as I
> can tell, the way to do this is to add "Other-Modules:
> Module.Name.Of.Parser.y Module.Name.Of.Lexer.x" to each
> executable/library stanza. But, when I try this, I get:

No, they should just be "Module.Name.Of.Parser" and

>     Could not find module `GHC.Exts':
>       it is a member of package base-1.0, which is hidden
> The generated parser code contains:

But your real problem is answered by the other replies on this thread.



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