Re: [Mingw-users] bison 3.0.2 and m4sugar.m4

[Eli Z. <el...@gn...>]

> Date: Sun, 05 Oct 2014 10:22:35 +0200 (CEST)
> From: Werner LEMBERG <wl...@gn...>
> 
>   $ bison myfile.y
>   ...\msys\1.0\local\bin\bison.exe: \
>     /usr/local/share/bison/m4sugar/m4sugar.m4: \
>     cannot open: No such file or directory
> 
> I tried a workaround mentioned in the web, but it still fails:
> 
>   $ BISON_PKGDATADIR=.../msys/1.0/local/share/bison \
>     bison myfile.y
>   ...\msys\1.0\local\bin\bison.exe: \
>     m4 subprocess failed: No such file or directory 
> 
> (I have a working m4.exe of course)
> 
> What is the cause for that, and how can I fix it?

Don't install MinGW programs inside the MSYS tree.  MinGW programs
don't understand the MSYS mounts (which maps /usr/local to some place
on your system).