-O3 -pipe -march=znver1 -D_FORTIFY_SOURCE=3 -fstack-protector-strong -fstack-clash-protection -ggdb -flto=thin -Werror=odr -Werror=strict-aliasing -ffile-prefix-map=/var/tmp/portage/sys-devel/m4-1.4.21/work=/usr/src/debug/sys-devel/m4-1.4.21 -Wno-error=format-security
