Re: [CFT] sed prerelease on alpha.gnu.org

[Ralf Wildenhues]

Hello Matthew,

I haven't followed this thread, so bear with me, please.

* Matthew Woehlke wrote on Wed, Apr 29, 2009 at 06:09:51PM CEST:
> For now I'm just going to use 'CC="cc -qlanglvl=stdc99"'. I don't know  
> how hard you want to try to make this work out of the box, but the  
> previous change should probably be reverted.

Typically, -qlanglvl=extc99 is a better choice for GNU software.

> FYI: adding the autoconf check to turn on c99 mode is broken; autoconf  
> picks up -qlanglvl=ansi from the ANSI c89 check, and doesn't know how to  
> try alternatives (this affects other GNU packages as well, most notably  
> coreutils).

Can you reformulate this paragraph so that it can serve as a bug report
against Autoconf and/or other affected GNU packages?  IOW: what exactly
is broken, using AC_PROG_CC_C99 after AC_PROG_CC_C89?

Thanks,
Ralf