Re: Request to revert the C version change

[Todd C. Miller]

On Wed, 16 Dec 2020 17:04:31 +0000, Ross Burton wrote:

> All through the 2.70 prelease cycle I was periodically running builds
> of OpenEmbedded with the snapshots as they were released.  As we
> autoreconf by default this was great at shaking out some bugs in both
> packages and autoconf itself.  However, I see that in between the
> Release Candidate and the final release a large breaking change to C
> version detection was integrated that basically means that any
> software using gnulib needs to update?

Perhaps you are hitting this bug that breaks C99 flag detection?
    https://savannah.gnu.org/support/?110396

 - todd