Re: C23 support in Autoconf

[Paul Eggert]

On 2024-04-30 12:03, Zack Weinberg wrote:
> Another reason to want this type of control is if you are deliberately trying
> to ensure that your code continues to compile with old compilers.

While we're adding to our wishlist that should also be a configure-time 
option, not merely something in configure.ac. That way, one could test a 
tarball's portability without having to modify the source code.