Re: Latest EMACS on BZR trunk does not compile with MinGW

[Eli Zaretskii]

> Date: Wed, 4 Jun 2014 23:50:09 +0200
> From: Dani Moncayo <address@hidden>
> Cc: Vincent Belaïche <address@hidden>, 
>       Paul Eggert <address@hidden>, Emacs development discussions 
> <address@hidden>
> 
> Another option would be, perphaps, to check the environment
> variable $OSTYPE (instead of $MSYSTEM).  I've just done a quick
> test on my system: if I invoke "bash.exe" (without "--login"), I
> see that $OSTYPE holds "msys", while $MSYSTEM is undefined.  (But
> I don't know if this is also true in other MSYS flavors).

$OSTYPE is not a global environment variable (try "env").

Besides, this only solves one problem, with --login.  I hoped a more
reliable method will be available that is independent of any variables
(that can be unset).