#!/bin/sh
##
##  config.sup -- choose supported system types out of possible ones
##  Copyright (c) Ralf S. Engelschall, <rse@en.muc.de>
##
##  USAGE: <new_gnu-triple>=`config.sup <gnu-triple>`
##

canonical=$1

#   Now choose the cpu, vendor and os types out of
#   the canonical ``GNU triple'', i.e. all supported
#   cpu, vendor and os are set to _our_ names and
#   all other become the tag "generic".
#   i.e. we take only the needed ones!

   cpu=generic
vendor=generic
    os=generic

case "${canonical}" in

    ## HP 9000 series 700, running HP/UX
    hppa1.1-hp-hpux9* )
        cpu=hp700 vendor=hp os=hpux901
        ;;

    ## Suns
    *-sun-sunos* | *-sun-bsd* | *-sun-solaris* )
	    vendor=sun
        case "${canonical}" in
            sparc* ) cpu=sun4 ;;
        esac

        #   determine os type
        case "${canonical}" in
            ## The Sun386 didn't get past 4.0.
            i386-*-sunos4 )
                os=sunos40
                ;;
            *-sunos4.0* )
                os=sunos40
                ;;
            *-sunos4.1.3* )
                os=sunos413
      		NON_GCC_TEST_OPTIONS=-Bstatic
                GCC_TEST_OPTIONS=-static
		;;
            *-sunos4shr* )
                os=sunos4shr
                ;;
            *-sunos4* | *-sunos )
                os=sunos41
		NON_GCC_TEST_OPTIONS=-Bstatic
                GCC_TEST_OPTIONS=-static
		;;
            *-sunos5.3* | *-solaris2.3* )
		os=solaris2.3
		NON_GNU_CPP=/usr/ccs/lib/cpp
		;;
            *-sunos5* | *-solaris* )
		os=solaris2
		NON_GNU_CPP=/usr/ccs/lib/cpp
		;;
            * ) os=bsd4-2 ;;
        esac

    ;;


    ## Intel x86 cpus where we don't care about the manufacturer
    i[345]86-*-* )
        cpu=intelx86
        case "${canonical}" in
            *-freebsd* )
                os=freebsd
                ;;
            *-linux* )
                os=linux
                ;;
            *-univel-sysv* )
                os=sysv
                ;;
            ## Otherwise, we'll fall through to the generic os code at the bottom.
        esac
        ;;


    ## Nixdorf Targon 31, running TOS
    m68*-nixdorf-sysv* )
        cpu=targon31 os=usg522
        ;;


    * ) unknown=true
  ;;
esac

### If the code above didn't choose an operating system, just choose
### an operating system based on the configuration name.  You really
### only want to use this when you have no idea what the right
### operating system is; if you know what operating systems a cpu
### runs, it's cleaner to make it explicit in the case statement
### above.
if [ x"${os}" = x ]; then
    case "${canonical}" in
        *-gnu* )			os=gnu ;;
        *-bsd4.[01] )			os=bsd4-1 ;;
        *-bsd4.2 )			os=bsd4-2 ;;
        *-bsd4.3 )			os=bsd4-3 ;;
        *-sysv0 | *-sysvr0 )		os=usg5-0 ;;
        *-sysv2 | *-sysvr2 )		os=usg5-2 ;;
        *-sysv2.2 | *-sysvr2.2 )	os=usg5-2-2 ;;
        *-sysv3 | *-sysvr3 )		os=usg5-3 ;;
        *-sysv4 | *-sysvr4 )		os=usg5-4 ;;
        *-sysv4.1 | *-sysvr4.1 )    NON_GNU_CPP=/usr/lib/cpp
                                    os=usg5-4 ;;
        *-sysv4.2 | *-sysvr4.2 )	os=usg5-4-2 ;;
        * )
            unknown=true
            ;;
    esac
fi

if [ x$unknown = xtrue ]; then
	cpu=unknown
	vendor=unknown
	os=unknown
fi

echo $cpu-$vendor-$os