On Tue, May 28, 2024 at 10:36 AM Paul Eggert <eggert@xxxxxxxxxxx> wrote: > > On 2024-05-28 01:20, Jonathan Wakely wrote: > > I am not aware of any distro ever changing the default -std setting for g++ > > or clang++. Are you attempting to solve a non-problem, but introducing new > > ones? > > If it's a non-problem for C++, why does Autoconf upgrade to C++11 when > the default is C++98? Autoconf has done so since Autoconf 2.70 (2020), > with nobody complaining as far as I know. > > Was the Autoconf 2.70 change done so late that it had no practical > effect, because no distro was defaulting to C++98 any more? Yes, the GCC default changed from C++98 to C++14 in GCC 6 (2016). > If so, it sounds like Autoconf should go back to its 2.69 behavior and not mess > with the C++ version as that's more likely to hurt than help. Not by default, certainly. > For background on that Autoconf 2.70 change, see this 2013 thread: > > https://lists.gnu.org/r/autoconf/2013-01/msg00016.html >
