Configure: gcc problem under mingw/i386

Mateusz Kowalczyk fuuzetsu at
Fri Aug 23 23:18:59 CEST 2013

On 23/08/13 22:13, Niculae Ionita wrote:
> Hi all,
> I'm new to GHC Dev and I'm trying to build GHC 7.7 (the repo is about 9 
> days old) on a Windows machine with mingw32. I followed the very helpful 
> article for newcomers to GHC dev ( 
> ) and up to configure it 
> was easy.
> Now I get a problem with configure, the last few output lines are:
> 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... j:/ghc
> checking for gcc... j:/ghc/inplace/mingw/bin/gcc.exe
> checking whether the C compiler works... no
> configure: error: in `/j/ghc':
> configure: error: C compiler cannot create executables
> See `config.log' for more details
>  From config.log it's clear that j:/ghc/inplace/mingw/bin/gcc.exe is 
> missing (actually already the bin is missing). My gcc is in /mingw/bin, 
> which is in PATH, but even if I try with the option
> --with-gcc=/mingw/bin/gcc
> I get the same error.
> So I was looking in the configure script and found out that, for mingw32 
> and i386, gcc must be under $hardtop/inplace/mingw/bin/, and if not, 
> there are commands to unpack all tools from tar files like 
> ghc-tarballs/mingw/binutils*.tar.lzma and a few others.
> The point is, I don't have the subdirectory ghc-tarballs under my ghc 
> directory.
> Now, my questions:
> 1. Are there any reasons to not use the building tools coming from the 
> mingw installation, and use the dedicated ones?
> 2. Where could I find those tarballs? Did I miss something when updated 
> the repositories?
> Thanks,
> Nicu
> _______________________________________________
> ghc-devs mailing list
> ghc-devs at

A lot of these questions have been answered in the recent thread by
Simon titled ‘Building on windows’.

Mateusz K.

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