https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107781
--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jason Merrill <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:ac5054144bd2248e948842937448eb5f4ce36bfd commit r13-4236-gac5054144bd2248e948842937448eb5f4ce36bfd Author: Jason Merrill <ja...@redhat.com> Date: Mon Nov 21 17:42:14 2022 -0500 c++: don't use strchrnul [PR107781] The contracts implementation was using strchrnul, which is a glibc extension, so bootstrap broke on non-glibc targets. Use C89 strcspn instead. PR c++/107781 gcc/cp/ChangeLog: * contracts.cc (role_name_equal): Use strcspn instead of strchrnul.