-mtune=core2 -pipe -O3 -flto -frecord-gcc-switches -Wstringop-overread -Wformat -Wformat-security -D_FORTIFY_SOURCE=3 -D_GLIBCXX_ASSERTIONS -ftrivial-auto-var-init=zero -Wl,-z,relro,-z,now -fstack-protector-strong -fstack-clash-protection -fcf-protection=full
