-O3 -pipe -Wall -Wformat -Wformat-security -fgraphite-identity -floop-nest-optimize -ftree-loop-distribution -fuse-linker-plugin -fdevirtualize-at-ltrans -fipa-pta -D_GLIBCXX_ASSERTIONS -ftrivial-auto-var-init=pattern -fstack-clash-protection -fexceptions -fPIE -fPIC
