[Haskell-cafe] Does exist something like "data-files" in Cabal, which works at compile time?

Daniel Díaz Casanueva dhelta.diaz at gmail.com
Fri Aug 16 12:13:35 CEST 2013

What I have always done to solve this is to create a custom Setup.hs.
Something like:

import Distribution.Simple

main :: IO ()
main = doThisBeforeInstall >> defaultMain

Then you specify in your .cabal file that the Build-Type is Custom.

Best regards,
Daniel Díaz.

On Fri, Aug 16, 2013 at 11:58 AM, Alfredo Di Napoli <
alfredo.dinapoli at gmail.com> wrote:

> Hello guys,
> I'm pretty sure the answer is "no", but I was hoping to get some extra
> insight / best practices. The problem can be summarised by this SO question
> (not the OP, but I have the same problem):
> http://stackoverflow.com/questions/15731170/cabal-how-to-add-text-file-as-a-build-dependency
> As someone states, "data-files" in for run-time, whereas I need to tell
> cabal "please copy these files in place before trying to compile", so at
> compile-time.
> Does something similar exist?
> I think the best solution, unless someone prove me wrong, is to create a
> small startup script which copies the files for me (I *think* yesod is
> using something similar, namely a script called EmbeddedFiles.hs) and then
> triggers "cabal install" the usual way. Can you come up with a better way?
> Thanks in advance!
> Alfredo
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