I've just cloned GHC, on Windows and typed "sh validate". But it dies as below. And indeed the directory ghc-tarballs doesn't exist. Should it? How do I get it? Thanks Simon Target platform inferred as: i386-unknown-mingw32 GHC build : i386-unknown-mingw32 GHC host : i386-unknown-mingw32 GHC target : i386-unknown-mingw32 configure: Building in-tree ghc-pwd checking for path to top of build tree... C:/code/ghc-injective configure: Making in-tree mingw tree tar (child): ../../ghc-tarballs/mingw/binutils*.tar.lzma: Cannot open: No such file or directory tar (child): Error is not recoverable: exiting now tar: Child returned status 2 tar: Error is not recoverable: exiting now ./configure: line 4217: inplace/mingw/bin/realgcc.exe: No such file or directory configure: In-tree mingw tree created