Integrating tools with Cabal

Roman Cheplyaka roma at
Fri Nov 9 08:06:48 CET 2012


Suppose I have some kind of analysis tool that I want to run on a Cabal

The analysis tool only deals with Haskell files, so I need Cabal to
generate Haskell files from CPP-enabled Haskell files, .hsc files, alex
and happy files etc.

I see two possible ways to do that: use Cabal as a library, or my tool
to be run by Cabal as a compiler.

Cabal as a library doesn't seem friendly to this kind of usage: for
example, Distribution.Simple does not export things like
'configureAction'. Besides, this wouldn't work with packages that
use other build-types.

Extending Cabal with a new compiler is not a simple thing, either

So, any advice how to proceed? I can volunteer to improve things if
someone gives directions (I'm a Cabal noob).


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