* guix/packages.scm (<search-path-specification>, search-path-specification->sexp, sexp->search-path-specification): Move to... * guix/search-paths.scm: ... here. New file. * Makefile.am (MODULES): Add it. * guix/build-system/cmake.scm, guix/build-system/glib-or-gtk.scm, guix/build-system/gnu.scm, guix/build-system/haskell.scm, guix/build-system/perl.scm, guix/build-system/python.scm, guix/build-system/ruby.scm, guix/build-system/waf.scm, guix/profiles.scm, guix/scripts/package.scm: Use it.
Fixes a regression whereby haskell-build-system was using an incomplete module list. * guix/build-system/haskell.scm (%haskell-build-system-modules): New variable. (haskell-build): Use it as the default value of #:imported-modules.
* guix/build-system/haskell.scm: New file. * guix/build/haskell-build-system.scm: New file. * doc/guix.texi: Add section on 'haskell-build-system'.
Ludovic Courtès