COMMON_FLAGS="-march=native -O3 -pipe -flto"
CFLAGS="${COMMON_FLAGS}"
CXXFLAGS="${COMMON_FLAGS}"
LDFLAGS="-Wl,--as-needed"
FCFLAGS="${COMMON_FLAGS}"
FFLAGS="${COMMON_FLAGS}"

CC="gcc"
CXX="g++"
CPP="gcc -E"
AR="ar"
NM="nm"
RANLIB="ranlib"