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.
John
$ 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
exec/Main.hs:3:7: 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. Cheers, Simon