Re: Repurposed macro: AX_CFLAGS_WARN_ALL_ANSI becomes (minus warnings) AX_CFLAGS_FORCE_C89

[Peter Simons]

Hi Reuben,

 > I attach a simplified version of this obsolete macro that rescues the
 > useful bit of functionality that is not available elsewhere: it
 > forces C89 mode.

the macro looks useful to me, I'm in favor of adding it to the
repository. I can't judge right now how extensive your changes were, but
from the looks of it, it seems fair to add yourself to the list of
authors.

Anyway, please push it!

Take care,
Peter