2014-07-17 22:05 GMT+02:00 Johan Tibell <johan.tibell at gmail.com>: > Can someone see if adding > > Cc-options: -march=i686 > > To ghc-prim.cabal resolves the issue? Yes, I can confirm that it works. However, it shall be prefixed with a conditional such as (os(windows) && arch(i386)) as x86_64 does not support -march=i686.