Wow, I happened to try building GHC on Windows for the first time ever today, and I also experienced this error :)
Interestingly, someone reported a very similar error to this on Trac, but for GHC 7.8.3 [1]. Here's where the error message comes from [2] in Linker.c: static int verifyCOFFHeader (COFF_header *hdr, pathchar *fileName) { if (hdr->Machine != 0x8664) { errorBelch("%" PATH_FMT ": Not x86_64 PEi386", fileName); return 0; } ... } Ryan S. ----- [1] https://ghc.haskell.org/trac/ghc/ticket/10437 [2] https://github.com/ghc/ghc/blob/233d1312bf15940fca5feca6884f965e7944b555/rts/Linker.c#L3355 _______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs