case "${target}" in
*-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
;;
*-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
*-*-solaris2* | *-*-hpux11*)
*-*-darwin* | *-*-aix*)
*)
UNSUPPORTED=1 ;;
esac