[Haskell-cafe] build-depends contraints in a .cabal file

[Wolfgang Jeltsch]

Am Dienstag, 19. Februar 2008 03:05 schrieb Antoine Latter:
> Can I specify an equality constraint in the build-depends field of a
> .cabal file?  This would say that I want one specific version (because
> all the rest of my packages are compiled against that version and I'm
> getting type-checking errors trying to install the new package).
>
> neither
>
> > build-depends: foobar = 3.0.1
>
> or
>
> > build-depends: foobar-3.0.1
>
> seem to work.
>
> Do I have any choices other than re-compiling everything?
>
> Thanks,
> Antoine

I think, you should use == instead of =.

Best wishes,
Wolfgang