On Mon, Nov 21, 2022 at 06:31:47PM -0500, Jason Merrill via Gcc-patches wrote:
> Tested x86_64-pc-linux-gnu, and also manually changing the HAVE_DECL_STRCHRNUL
> flag. OK for trunk?
>
> -- 8< --
>
> The Contracts implementation uses strchrnul, which is a glibc extension, so
> bootstrap broke on non-glibc targets. I considered unconditionally using a
> local definition, but I guess we might as well use the libc version if it
> exists.
>
> PR c++/107781
>
> gcc/cp/ChangeLog:
>
> * contracts.cc (strchrnul): Define if needed.
>
> gcc/ChangeLog:
>
> * configure.ac: Check for strchrnul.
> * config.in, configure: Regenerate.
Normally we'd add such a local definition to libiberty, shouldn't we do it
in this case too?
Jakub
