CFLAGS="-march=native -O2 -flto -ftree-vectorize -ftree-loop-distribution -fvect-cost-model=cheap" CXXFLAGS="${CFLAGS} -fvisibility=hidden" LDFLAGS="-O2 -flto -fuse-linker-plugin" AR='/usr/local/bin/ar' RANLIB='/usr/local/bin/ranlib' NM='/usr/local/bin/nm'