* gnu/packages/haskell.scm (ghc-bootstrap-7.8.4): Replace with ... (ghc-bootstrap-i686-7.8.4, ghc-bootstrap-x86_64-7.8.4): ... these. (ghc)[native-inputs]: Select the appropriate bootstrap.
* gnu/packages/haskell.scm (ghc): Remove installation of locale from 'unpack-and-fix-testsuite phase.
* gnu/packages/haskell.scm: New file. * gnu-system.am (GNU_SYSTEM_MODULES): Add it.