new build-suse.txt, minor other patches

[Dave Peticolas]

Dave Peticolas writes:
> Derek Atkins writes:
> > I don't think configure works that way.  Besides, we already have
> > duplicate macro definitions for, e.g. G-WRAP.  And it works fine.
> 
> Here's what happens when I put libguppi.m4 in macros/
> 
> aclocal: macros/libguppi.m4: 11: duplicated macro `AM_PATH_LIBGUPPI'
> aclocal: macros/libguppi.m4: 177: duplicated macro `LIBGUPPI_CHECK'
> 
> It may be that we could put it in acinclude.m4 and avoid the warning.

Actually, that should 'error' not warning as it halts processing.

dave