On Thu, 30 Oct 2025, Jonathan Wakely via Gcc wrote:
> > Isn't functional testing for a new flag/feature added at the same time? Why
> > would
> > you have to test for supporting a feature?
>
> I think what Richi meant is not about GCC's own configure script. I
> think he meant that if we document which version added features, then
> it encourages people to write configure scripts that test versions
> ("do we have at least GCC 14?") instead of testing "does $CC support
> the -Wfoo warning flag?"
Well, every tool can be used in the wrong way, but knowing the version
helps people choose the correct one. Perhaps mostly useful for recent
versions and not so much for ancient ones, but even there it might help
chasing issues. Please let's not try to set policies for other people's
software and make it an excuse to hide information.
Maciej
