Linux-ppc : #error Unknown mingw32 arch
Building on Linux-Powerpc fails with the above error.
utils/runghc/dist-install/build/Main.hs:40:3:
error: #error Unknown mingw32 arch
make[1]: *** [utils/runghc/dist-install/build/.depend.haskell] Error 1
make: *** [all] Error 2
In the process of rolling a patch.