CFLAGS="-O2 -march=athlon64 -pipe -msse3 -fomit-frame-pointer -fweb -frename-registers -fgcse-after-reload -fno-ident -funit-at-a-time -freorder-blocks -freorder-blocks-and-partition -fgcse-sm -fgcse-las -fmerge-all-constants -combine"
CXXFLAGS="${CFLAGS} -fvisibility-inlines-hidden"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--hash-style=both -Wl,--sort-common -Wl,-znow"