if [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686 -fcommon"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -march=x86-64 -mtune=generic -fPIC"
else
  SLKCFLAGS="-O2 -fPIC -fcommon"
fi