Re: C99 support

[Ralf Wildenhues]

* Roger Leigh wrote on Mon, Nov 29, 2004 at 10:59:45PM CET:
> 
> So would something like my proposed AC_PROG_CC_C99 macro be good as a
> start?  It would be optional, and simply check if a compiler
> previously found with AC_PROG_CC can be put into a C99 mode.  This
> would be good for what I want--a portable way to get a C99 compiler,
> and would be useful for others as well.

One thing I missed so far: if you want your macro to check for C99 mode
proper, as opposed to just a few C99 elements which happen to be useful
to you:  Have you checked there is no compiler which will compile your
test program but not general C99 in its `C89 plus extensions' mode?

Regards,
Ralf