#! /bin/sh
# Attempt to guess a canonical system name.
#   Copyright (C) 1992, 93, 94, 95, 1996 Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.

# Written by Per Bothner <[email protected]>.
# The master version of this file is at the FSF in /home/gd/gnu/lib.
#
# This script attempts to guess a canonical system name similar to
# config.sub.  If it succeeds, it prints the system name on stdout, and
# exits with 0.  Otherwise, it exits with 1.
#
# The plan is that this can be called by configure scripts if you
# don't specify an explicit system type (host/target name).
#
# Only a few systems have been added to this list; please add others
# (but try to keep the structure clean).
#

# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
# ([email protected] 8/24/94.)
if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
       PATH=$PATH:/.attbin ; export PATH
fi

UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown

trap 'rm -f dummy.c dummy.o dummy; exit 1' 1 2 15

# Note: order is significant - the case branches are not exclusive.

case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
   alpha:OSF1:*:*)
       # A Vn.n version is a released version.
       # A Tn.n version is a released field test version.
       # A Xn.n version is an unreleased experimental baselevel.
       # 1.2 uses "1.2" for uname -r.
       echo alpha-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//'`
       exit 0 ;;
   21064:Windows_NT:50:3)
       echo alpha-dec-winnt3.5
       exit 0 ;;
   Amiga*:UNIX_System_V:4.0:*)
       echo m68k-cbm-sysv4
       exit 0;;
   amiga:NetBSD:*:*)
     echo m68k-cbm-netbsd${UNAME_RELEASE}
     exit 0 ;;
   amiga:OpenBSD:*:*)
     echo m68k-cbm-openbsd${UNAME_RELEASE}
     exit 0 ;;
   arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
       echo arm-acorn-riscix${UNAME_RELEASE}
       exit 0;;
   Pyramid*:OSx*:*:*|MIS*:OSx*:*:*)
       # [email protected] (Earle F. Ake) contributed MIS and NILE.
       if test "`(/bin/universe) 2>/dev/null`" = att ; then
               echo pyramid-pyramid-sysv3
       else
               echo pyramid-pyramid-bsd
       fi
       exit 0 ;;
   NILE:*:*:dcosx)
       echo pyramid-pyramid-svr4
       exit 0 ;;
   sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
       echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
       exit 0 ;;
   i86pc:SunOS:5.*:*)
       echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
       exit 0 ;;
   sun4*:SunOS:6*:*)
       # According to config.sub, this is the proper way to canonicalize
       # SunOS6.  Hard to guess exactly what SunOS6 will be like, but
       # it's likely to be more like Solaris than SunOS4.
       echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
       exit 0 ;;
   sun4*:SunOS:*:*)
       case "`/usr/bin/arch -k`" in
           Series*|S4*)
               UNAME_RELEASE=`uname -v`
               ;;
       esac
       # Japanese Language versions have a version number like `4.1.3-JL'.
       echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
       exit 0 ;;
   sun3*:SunOS:*:*)
       echo m68k-sun-sunos${UNAME_RELEASE}
       exit 0 ;;
   aushp:SunOS:*:*)
       echo sparc-auspex-sunos${UNAME_RELEASE}
       exit 0 ;;
   atari*:NetBSD:*:*)
       echo m68k-atari-netbsd${UNAME_RELEASE}
       exit 0 ;;
   atari*:OpenBSD:*:*)
       echo m68k-atari-openbsd${UNAME_RELEASE}
       exit 0 ;;
   sun3*:NetBSD:*:*)
       echo m68k-sun-netbsd${UNAME_RELEASE}
       exit 0 ;;
   sun3*:OpenBSD:*:*)
       echo m68k-sun-openbsd${UNAME_RELEASE}
       exit 0 ;;
   mac68k:NetBSD:*:*)
       echo m68k-apple-netbsd${UNAME_RELEASE}
       exit 0 ;;
   mac68k:OpenBSD:*:*)
       echo m68k-apple-openbsd${UNAME_RELEASE}
       exit 0 ;;
   powerpc:machten:*:*)
       echo powerpc-apple-machten${UNAME_RELEASE}
       exit 0 ;;
   RISC*:Mach:*:*)
       echo mips-dec-mach_bsd4.3
       exit 0 ;;
   RISC*:ULTRIX:*:*)
       echo mips-dec-ultrix${UNAME_RELEASE}
       exit 0 ;;
   VAX*:ULTRIX*:*:*)
       echo vax-dec-ultrix${UNAME_RELEASE}
       exit 0 ;;
   mips:*:*:UMIPS | mips:*:*:RISCos)
       sed 's/^        //' << EOF >dummy.c
       int main (argc, argv) int argc; char **argv; {
       #if defined (host_mips) && defined (MIPSEB)
       #if defined (SYSTYPE_SYSV)
         printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
       #endif
       #if defined (SYSTYPE_SVR4)
         printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
       #endif
       #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
         printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
       #endif
       #endif
         exit (-1);
       }
EOF
       ${CC-cc} dummy.c -o dummy \
         && ./dummy `echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` \
         && rm dummy.c dummy && exit 0
       rm -f dummy.c dummy
       echo mips-mips-riscos${UNAME_RELEASE}
       exit 0 ;;
   Night_Hawk:Power_UNIX:*:*)
       echo powerpc-harris-powerunix
       exit 0 ;;
   m88k:CX/UX:7*:*)
       echo m88k-harris-cxux7
       exit 0 ;;
   m88k:*:4*:R4*)
       echo m88k-motorola-sysv4
       exit 0 ;;
   m88k:*:3*:R3*)
       echo m88k-motorola-sysv3
       exit 0 ;;
   AViiON:dgux:*:*)
       # DG/UX returns AViiON for all architectures
       UNAME_PROCESSOR=`/usr/bin/uname -p`
       if [ $UNAME_PROCESSOR = mc88100 -o $UNAME_PROCESSOR = mc88110 ] ; then
       if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx \
            -o ${TARGET_BINARY_INTERFACE}x = x ] ; then
               echo m88k-dg-dgux${UNAME_RELEASE}
       else
               echo m88k-dg-dguxbcs${UNAME_RELEASE}
       fi
       else echo i586-dg-dgux${UNAME_RELEASE}
       fi
       exit 0 ;;
   M88*:DolphinOS:*:*) # DolphinOS (SVR3)
       echo m88k-dolphin-sysv3
       exit 0 ;;
   M88*:*:R3*:*)
       # Delta 88k system running SVR3
       echo m88k-motorola-sysv3
       exit 0 ;;
   XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
       echo m88k-tektronix-sysv3
       exit 0 ;;
   Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
       echo m68k-tektronix-bsd
       exit 0 ;;
   *:IRIX*:*:*)
       echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
       exit 0 ;;
   ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
       echo romp-ibm-aix      # uname -m gives an 8 hex-code CPU id
       exit 0 ;;              # Note that: echo "'`uname -s`'" gives 'AIX '
   i?86:AIX:*:*)
       echo i386-ibm-aix
       exit 0 ;;
   *:AIX:2:3)
       if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
               sed 's/^                //' << EOF >dummy.c
               #include <sys/systemcfg.h>

               main()
                       {
                       if (!__power_pc())
                               exit(1);
                       puts("powerpc-ibm-aix3.2.5");
                       exit(0);
                       }
EOF
               ${CC-cc} dummy.c -o dummy && ./dummy && rm dummy.c dummy && exit 0
               rm -f dummy.c dummy
               echo rs6000-ibm-aix3.2.5
       elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
               echo rs6000-ibm-aix3.2.4
       else
               echo rs6000-ibm-aix3.2
       fi
       exit 0 ;;
   *:AIX:*:4)
       if /usr/sbin/lsattr -EHl proc0 | grep POWER >/dev/null 2>&1; then
               IBM_ARCH=rs6000
       else
               IBM_ARCH=powerpc
       fi
       if [ -x /usr/bin/oslevel ] ; then
               IBM_REV=`/usr/bin/oslevel`
       else
               IBM_REV=4.${UNAME_RELEASE}
       fi
       echo ${IBM_ARCH}-ibm-aix${IBM_REV}
       exit 0 ;;
   *:AIX:*:*)
       echo rs6000-ibm-aix
       exit 0 ;;
   ibmrt:4.4BSD:*|romp-ibm:BSD:*)
       echo romp-ibm-bsd4.4
       exit 0 ;;
   ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC NetBSD and
       echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
       exit 0 ;;                           # report: romp-ibm BSD 4.3
   *:BOSX:*:*)
       echo rs6000-bull-bosx
       exit 0 ;;
   DPX/2?00:B.O.S.:*:*)
       echo m68k-bull-sysv3
       exit 0 ;;
   9000/[34]??:4.3bsd:1.*:*)
       echo m68k-hp-bsd
       exit 0 ;;
   hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
       echo m68k-hp-bsd4.4
       exit 0 ;;
   9000/[3478]??:HP-UX:*:*)
       case "${UNAME_MACHINE}" in
           9000/31? )            HP_ARCH=m68000 ;;
           9000/[34]?? )         HP_ARCH=m68k ;;
           9000/7?? | 9000/8?[1679] ) HP_ARCH=hppa1.1 ;;
           9000/8?? )            HP_ARCH=hppa1.0 ;;
       esac
       HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
       echo ${HP_ARCH}-hp-hpux${HPUX_REV}
       exit 0 ;;
   3050*:HI-UX:*:*)
       sed 's/^        //' << EOF >dummy.c
       #include <unistd.h>
       int
       main ()
       {
         long cpu = sysconf (_SC_CPU_VERSION);
         /* The order matters, because CPU_IS_HP_MC68K erroneously returns
            true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
            results, however.  */
         if (CPU_IS_PA_RISC (cpu))
           {
             switch (cpu)
               {
                 case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
                 case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
                 case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
                 default: puts ("hppa-hitachi-hiuxwe2"); break;
               }
           }
         else if (CPU_IS_HP_MC68K (cpu))
           puts ("m68k-hitachi-hiuxwe2");
         else puts ("unknown-hitachi-hiuxwe2");
         exit (0);
       }
EOF
       ${CC-cc} dummy.c -o dummy && ./dummy && rm dummy.c dummy && exit 0
       rm -f dummy.c dummy
       echo unknown-hitachi-hiuxwe2
       exit 0 ;;
   9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
       echo hppa1.1-hp-bsd
       exit 0 ;;
   9000/8??:4.3bsd:*:*)
       echo hppa1.0-hp-bsd
       exit 0 ;;
   hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
       echo hppa1.1-hp-osf
       exit 0 ;;
   hp8??:OSF1:*:*)
       echo hppa1.0-hp-osf
       exit 0 ;;
   i?86:OSF1:*:*)
       if [ -x /usr/sbin/sysversion ] ; then
           echo ${UNAME_MACHINE}-unknown-osf1mk
       else
           echo ${UNAME_MACHINE}-unknown-osf1
       fi
       exit 0 ;;
   parisc*:Lites*:*:*)
       echo hppa1.1-hp-lites
       exit 0 ;;
   C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
       echo c1-convex-bsd
       exit 0 ;;
   C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
       if getsysinfo -f scalar_acc
       then echo c32-convex-bsd
       else echo c2-convex-bsd
       fi
       exit 0 ;;
   C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
       echo c34-convex-bsd
       exit 0 ;;
   C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
       echo c38-convex-bsd
       exit 0 ;;
   C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
       echo c4-convex-bsd
       exit 0 ;;
   CRAY*X-MP:*:*:*)
       echo xmp-cray-unicos
       exit 0 ;;
   CRAY*Y-MP:*:*:*)
       echo ymp-cray-unicos${UNAME_RELEASE}
       exit 0 ;;
   CRAY*[A-Z]90:*:*:*)
       echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
       | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
             -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
       exit 0 ;;
   CRAY*TS:*:*:*)
       echo t90-cray-unicos${UNAME_RELEASE}
       exit 0 ;;
   CRAY-2:*:*:*)
       echo cray2-cray-unicos
       exit 0 ;;
   F300:UNIX_System_V:*:*)
       FUJITSU_SYS=`uname -p | tr [A-Z] [a-z] | sed -e 's/\///'`
       FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
       echo "f300-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
       exit 0 ;;
   F301:UNIX_System_V:*:*)
      echo f301-fujitsu-uxpv`echo $UNAME_RELEASE | sed 's/ .*//'`
      exit 0 ;;
   hp3[0-9][05]:NetBSD:*:*)
       echo m68k-hp-netbsd${UNAME_RELEASE}
       exit 0 ;;
   hp3[0-9][05]:OpenBSD:*:*)
       echo m68k-hp-openbsd${UNAME_RELEASE}
       exit 0 ;;
   i?86:BSD/386:*:* | *:BSD/OS:*:*)
       echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
       exit 0 ;;
   *:FreeBSD:*:*)
       echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
       exit 0 ;;
   *:NetBSD:*:*)
       echo ${UNAME_MACHINE}-unknown-netbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
       exit 0 ;;
   *:OpenBSD:*:*)
       echo ${UNAME_MACHINE}-unknown-openbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
       exit 0 ;;
   i*:CYGWIN*:*)
       echo i386-pc-cygwin32
       exit 0 ;;
   p*:CYGWIN*:*)
       echo powerpcle-unknown-cygwin32
       exit 0 ;;
   prep*:SunOS:5.*:*)
       echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
       exit 0 ;;
   *:GNU:*:*)
       echo `echo ${UNAME_MACHINE}|sed -e 's,/.*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
       exit 0 ;;
   *:Linux:*:*)
       # The BFD linker knows what the default object file format is, so
       # first see if it will tell us.
       ld_help_string=`ld --help 2>&1`
       if echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: elf_i.86"; then
         echo "${UNAME_MACHINE}-pc-linux-gnu" ; exit 0
       elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i.86linux"; then
         echo "${UNAME_MACHINE}-pc-linux-gnuaout" ; exit 0
       elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i.86coff"; then
         echo "${UNAME_MACHINE}-pc-linux-gnucoff" ; exit 0
       elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: m68kelf"; then
         echo "${UNAME_MACHINE}-unknown-linux-gnu" ; exit 0
       elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: m68klinux"; then
         echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0
       elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: elf32ppc"; then
         echo "powerpc-unknown-linux-gnu" ; exit 0
       elif test "${UNAME_MACHINE}" = "alpha" ; then
         echo alpha-unknown-linux-gnu ; exit 0
       elif test "${UNAME_MACHINE}" = "sparc" ; then
         echo sparc-unknown-linux-gnu ; exit 0
       else
         # Either a pre-BFD a.out linker (linux-gnuoldld) or one that does not give us
         # useful --help.  Gcc wants to distinguish between linux-gnuoldld and linux-gnuaout.
         test ! -d /usr/lib/ldscripts/. \
           && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0
         # Determine whether the default compiler is a.out or elf
         cat >dummy.c <<EOF
main(argc, argv)
int argc;
char *argv[];
{
#ifdef __ELF__
 printf ("%s-pc-linux-gnu\n", argv[1]);
#else
 printf ("%s-pc-linux-gnuaout\n", argv[1]);
#endif
 return 0;
}
EOF
         ${CC-cc} dummy.c -o dummy 2>/dev/null && ./dummy "${UNAME_MACHINE}" && rm dummy.c dummy && exit 0
         rm -f dummy.c dummy
       fi ;;
# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.  earlier versions
# are messed up and put the nodename in both sysname and nodename.
   i?86:DYNIX/ptx:4*:*)
       echo i386-sequent-sysv4
       exit 0 ;;
   i?86:*:4.*:* | i?86:SYSTEM_V:4.*:*)
       if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
               echo ${UNAME_MACHINE}-univel-sysv${UNAME_RELEASE}
       else
               echo ${UNAME_MACHINE}-pc-sysv${UNAME_RELEASE}
       fi
       exit 0 ;;
   i?86:*:3.2:*)
       if test -f /usr/options/cb.name; then
               UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
               echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
       elif /bin/uname -X 2>/dev/null >/dev/null ; then
               UNAME_REL=`(/bin/uname -X|egrep Release|sed -e 's/.*= //')`
               (/bin/uname -X|egrep i80486 >/dev/null) && UNAME_MACHINE=i486
               (/bin/uname -X|egrep '^Machine.*Pentium' >/dev/null) \
                       && UNAME_MACHINE=i586
               echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
       else
               echo ${UNAME_MACHINE}-pc-sysv32
       fi
       exit 0 ;;
   Intel:Mach:3*:*)
       echo i386-pc-mach3
       exit 0 ;;
   paragon:*:*:*)
       echo i860-intel-osf1
       exit 0 ;;
   i860:*:4.*:*) # i860-SVR4
       if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
         echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
       else # Add other i860-SVR4 vendors below as they are discovered.
         echo i860-unknown-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
       fi
       exit 0 ;;
   mini*:CTIX:SYS*5:*)
       # "miniframe"
       echo m68010-convergent-sysv
       exit 0 ;;
   M68*:*:R3V[567]*:*)
       test -r /sysV68 && echo 'm68k-motorola-sysv' && exit 0 ;;
   3[34]??:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 4850:*:4.0:3.0)
       OS_REL=''
       test -r /etc/.relid \
       && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
       /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
         && echo i486-ncr-sysv4.3${OS_REL} && exit 0
       /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
         && echo i586-ncr-sysv4.3${OS_REL} && exit 0 ;;
   3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
       /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
         && echo i486-ncr-sysv4 && exit 0 ;;
   m68*:LynxOS:2.*:*)
       echo m68k-unknown-lynxos${UNAME_RELEASE}
       exit 0 ;;
   mc68030:UNIX_System_V:4.*:*)
       echo m68k-atari-sysv4
       exit 0 ;;
   i?86:LynxOS:2.*:*)
       echo i386-unknown-lynxos${UNAME_RELEASE}
       exit 0 ;;
   TSUNAMI:LynxOS:2.*:*)
       echo sparc-unknown-lynxos${UNAME_RELEASE}
       exit 0 ;;
   rs6000:LynxOS:2.*:* | PowerPC:LynxOS:2.*:*)
       echo rs6000-unknown-lynxos${UNAME_RELEASE}
       exit 0 ;;
   SM[BE]S:UNIX_SV:*:*)
       echo mips-dde-sysv${UNAME_RELEASE}
       exit 0 ;;
   RM*:SINIX-*:*:*)
       echo mips-sni-sysv4
       exit 0 ;;
   *:SINIX-*:*:*)
       if uname -p 2>/dev/null >/dev/null ; then
               UNAME_MACHINE=`(uname -p) 2>/dev/null`
               echo ${UNAME_MACHINE}-sni-sysv4
       else
               echo ns32k-sni-sysv
       fi
       exit 0 ;;
   *:UNIX_System_V:4*:FTX*)
       # From Gerald Hewes <[email protected]>.
       # How about differentiating between stratus architectures? -djm
       echo hppa1.1-stratus-sysv4
       exit 0 ;;
   *:*:*:FTX*)
       # From [email protected].
       echo i860-stratus-sysv4
       exit 0 ;;
   mc68*:A/UX:*:*)
       echo m68k-apple-aux${UNAME_RELEASE}
       exit 0 ;;
   R3000:*System_V*:*:* | R4000:UNIX_SYSV:*:*)
       if [ -d /usr/nec ]; then
               echo mips-nec-sysv${UNAME_RELEASE}
       else
               echo mips-unknown-sysv${UNAME_RELEASE}
       fi
       exit 0 ;;
   PENTIUM:CPunix:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
                          # says <[email protected]>
       echo i586-unisys-sysv4
       exit 0 ;;
esac

#echo '(No uname command or uname output not recognized.)' 1>&2
#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2

cat >dummy.c <<EOF
#ifdef _SEQUENT_
# include <sys/types.h>
# include <sys/utsname.h>
#endif
main ()
{
#if defined (sony)
#if defined (MIPSEB)
 /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
    I don't know....  */
 printf ("mips-sony-bsd\n"); exit (0);
#else
#include <sys/param.h>
 printf ("m68k-sony-newsos%s\n",
#ifdef NEWSOS4
         "4"
#else
         ""
#endif
        ); exit (0);
#endif
#endif

#if defined (__arm) && defined (__acorn) && defined (__unix)
 printf ("arm-acorn-riscix"); exit (0);
#endif

#if defined (hp300) && !defined (hpux)
 printf ("m68k-hp-bsd\n"); exit (0);
#endif

#if defined (NeXT)
#if !defined (__ARCHITECTURE__)
#define __ARCHITECTURE__ "m68k"
#endif
 int version;
 version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
 printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
 exit (0);
#endif

#if defined (MULTIMAX) || defined (n16)
#if defined (UMAXV)
 printf ("ns32k-encore-sysv\n"); exit (0);
#else
#if defined (CMU)
 printf ("ns32k-encore-mach\n"); exit (0);
#else
 printf ("ns32k-encore-bsd\n"); exit (0);
#endif
#endif
#endif

#if defined (__386BSD__)
 printf ("i386-pc-bsd\n"); exit (0);
#endif

#if defined (sequent)
#if defined (i386)
 printf ("i386-sequent-dynix\n"); exit (0);
#endif
#if defined (ns32000)
 printf ("ns32k-sequent-dynix\n"); exit (0);
#endif
#endif

#if defined (_SEQUENT_)
   struct utsname un;

   uname(&un);

   if (strncmp(un.version, "V2", 2) == 0) {
       printf ("i386-sequent-ptx2\n"); exit (0);
   }
   if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
       printf ("i386-sequent-ptx1\n"); exit (0);
   }
   printf ("i386-sequent-ptx\n"); exit (0);

#endif

#if defined (vax)
#if !defined (ultrix)
 printf ("vax-dec-bsd\n"); exit (0);
#else
 printf ("vax-dec-ultrix\n"); exit (0);
#endif
#endif

#if defined (alliant) && defined (i860)
 printf ("i860-alliant-bsd\n"); exit (0);
#endif

 exit (1);
}
EOF

${CC-cc} dummy.c -o dummy 2>/dev/null && ./dummy && rm dummy.c dummy && exit 0
rm -f dummy.c dummy

# Apollos put the system type in the environment.

test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit 0; }

# Convex versions that predate uname can use getsysinfo(1)

if [ -x /usr/convex/getsysinfo ]
then
   case `getsysinfo -f cpu_type` in
   c1*)
       echo c1-convex-bsd
       exit 0 ;;
   c2*)
       if getsysinfo -f scalar_acc
       then echo c32-convex-bsd
       else echo c2-convex-bsd
       fi
       exit 0 ;;
   c34*)
       echo c34-convex-bsd
       exit 0 ;;
   c38*)
       echo c38-convex-bsd
       exit 0 ;;
   c4*)
       echo c4-convex-bsd
       exit 0 ;;
   esac
fi

#echo '(Unable to guess system type)' 1>&2

exit 1

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