Linking executables and the library of a Cabal package
simonmarhaskell at gmail.com
Tue Oct 16 09:19:33 EDT 2007
John D. Ramsdell wrote:
> I'm sure this will be an easy question for those on this list. What
> do you need to add to a Cabal package description so as to allow an
> executable in the description to be built from the library it also
> describes? I searched the Cabal documentation many times, but came up
> empty handed.
> $ make
> runhaskell Setup.hs build
> Preprocessing library a-1.0...
> Preprocessing executables for a-1.0...
> Building a-1.0...
> [1 of 1] Compiling A ( A.hs, dist/build/A.o )
> /usr/bin/ar: creating dist/build/libHSa-1.0.a
> Could not find module `A':
> Use -v to see a list of the files searched for.
I'm not sure exactly what problem you're running into here, but my advice
would be to split the library off into a separate package. Libraries and
executables in the same package are not well supported by Cabal.
Really we should fix or remove that feature, my vote would be to remove it.
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