if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
elif [ "$ARCH" = "sparc" ]; then
  SLKCFLAGS="-O2 -m32 -mcpu=v8 -mtune=v9"
elif [ "$ARCH" = "sparc64" ]; then
  SLKCFLAGS="-O2 -fPIC -m64 -mcpu=ultrasparc -mtune=ultrasparc3"
fi