-O3 -pipe -march=skylake -ggdb -flto=thin -Werror=odr -Werror=strict-aliasing -ffile-prefix-map=/var/tmp/portage/app-text/docbook-sgml-dtd-3.0-r5/work=/usr/src/debug/app-text/docbook-sgml-dtd-3.0-r5
