if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O3 -march=amdfam10"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O3 -march=amdfam10 -fPIC"
fi