Eric Bavier <[email protected]> writes: > On Mon, 06 Feb 2017 21:09:33 +0000 > Myles English <[email protected]> wrote: > >> Trying to define a package to be compiled by ghc-8, and I think all of >> its dependencies must also be compiled by ghc-8 rather than ghc (which >> is version 7). This is easy to do with one package, e.g..: >> >> (define-module (my-packages myhaskell) >> ... >> #:use-module ((gnu packages haskell) #:prefix haskellmain:)) >> >> (define-public ghc-hunit8 >> (package >> (inherit haskellmain:ghc-hunit) >> (arguments `(#:haskell ,ghc-8)))) >> >> To do that recursively for all the dependencies seems Too Difficult so, >> is there a way to do something like --with-input=ghc=ghc-8 but with the >> build-system arguments? Perhaps doing the work in between the Bag and >> the Derivation? > > You may take a look at the 'package-with-python2' procedure in > guix/build-system/python.scm, which seems like it could be adapted to > work with haskell/ghc packages.
Hi Eric, Myles, it seems that the only Python specific part of 'package-with-explicit-python' is the keyword '#:python'. What do you think of generalizing it by making it a function keyword argument and move the procedure to its own module (maybe (guix build-system utils)?). Regards, Fede
