* Jeff Law: > On 9/6/19 2:57 AM, Florian Weimer wrote: >> Without this change, libstdc++ is built without futex symbols if GCC >> rejects implicit function declarations in default mode. >> >> Thanks, >> Florian >> >> config/ChangeLog: >> >> 2019-09-06 Florian Weimer <fwei...@redhat.com> >> >> * futex.m4 (GCC_LINUX_FUTEX): Include <unistd.h> for the syscall >> function. >> >> libgomp/ChangeLog, libitm/ChangeLog, libstdc++-v3/ChangeLog: >> >> 2019-09-06 Florian Weimer <fwei...@redhat.com> >> >> * configure: Regenerate.
> Do you think it's worthwhile for me to pause the builder, update the > compiler with this patch and restart stuff that's failed? It's not hard > to do. Yes, I think it's absolutely necessary. Anything Qt-related fails to build right now, and many more C++ programs are affected Would it help if I backport the patches to the GCC 9 branch? Or do you just want to stick it to the existing implicit function declaration patch? Thanks, Florian