This mirrors a change made to base gcc4.2 by martynas@ in 2014. https://marc.info/?l=openbsd-ports&m=149656580518245&w=2 Includes an independent fix from upstream for gcc6, currently unlinked from builds Also, stop installing libssp as it broken on OpenBSD as it tries to use gets() pirofti@ ok'd an earlier version, suggestions from sthen@ "doesn't look dangerous" espie@ "pretty astounding" deraadt@