https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107691
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Bernhard Reutner-Fischer <al...@gcc.gnu.org>: https://gcc.gnu.org/g:5a6c698ea31f587151a2fa4a982c8cc43bd9cc45 commit r13-4165-g5a6c698ea31f587151a2fa4a982c8cc43bd9cc45 Author: Bernhard Reutner-Fischer <al...@gcc.gnu.org> Date: Thu Nov 17 21:40:53 2022 +0100 libcpp: Add missing config for --enable-valgrind-annotations [PR107691] r7-912 copied (parts of) the valgrind annotation checks from gcc to libcpp. The above copies the missing pieces to libcpp to diagnose when libcpp is configured with --enable-valgrind-annotations but valgrind is not installed. libcpp/ChangeLog: PR preprocessor/107691 * configure.ac: Add valgrind header checks. * configure: Regenerate.