Re: C23 support in Autoconf

Paul Eggert wrote:
> 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.

Perhaps --with-C-language-standard={C89,C99,C11,C23} and a 
--with-strict-C-language to select (example) c99 instead of gnu99?


-- Jacob