Re: _GL_EXTERN_INLINE not defined correctly in config.h for macOS

[Paul Eggert]

On 1/18/22 04:54, Reuben Thomas wrote:
> I solved my problem not by using the updated gnulib, but by
> assuming a conformant C99 compiler, and directly using the "inline"
> keyword. This would not work on clang as shipped with old Mac OS; is
> it reasonable in your view for me to expect users on such systems to
> have installed a newer compiler?

I'm not sure a newer compiler would fix the bugs, as they're typically 
present in the ctype.h supplied by the OS. If the newer compiler comes 
with a fixed ctype.h you're OK; if it reuses or copies the old ctype.h 
you'll have a problem.

If memory serves, the problem is not limited to ctype.h.