[patch libatomic]: Add basic support for mingw targets

[Jeff Law]

On 06/16/14 07:20, Kai Tietz wrote:
> Hello,
>
> this patch adds basic support for libatomic for mingw targets using
> win32 and for mingw targets using posix threading model.
>
> The win32 implemenation might need for initialization of mutexes a
> critical section.  If issue occures we can still add that.  For now
> all testcases are passing for native and posix-threading model mingw
> (32-bit and 64-bit).
>
> ChangeLog
>
> 2014-06-16  Kai Tietz  <ktietz@redhat.com>
>
>      * Makefile.am (libatomic_la_LDFLAGS): Add lt_host_flags.
Isn't this all target stuff, in which case lt_host_flags seems 
inappropriate.  Or is this just poorly named?

The rest seems reasonable.  So we just need to settle that nit and we 
can go forward.

jeff