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#! /bin/sh
# Configuration validation subroutine script.
#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
#   Free Software Foundation, Inc.

timestamp='2009-11-20'

# This file is (in principle) common to ALL GNU software.
# The presence of a machine in this file suggests that SOME GNU software
# can handle that machine.  It does not imply ALL GNU software can.
#
# 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., 51 Franklin Street - Fifth Floor, Boston, MA
# 02110-1301, 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.


# Please send patches to <config-patches@gnu.org>.  Submit a context
# diff and a properly formatted GNU ChangeLog entry.
#
# Configuration subroutine to validate and canonicalize a configuration type.
# Supply the specified configuration type as an argument.
# If it is invalid, we print an error message on stderr and exit with code 1.
# Otherwise, we print the canonical config type on stdout and succeed.

# You can get the latest version of this script from:
# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD

# This file is supposed to be the same for all GNU packages
# and recognize all the CPU types, system types and aliases
# that are meaningful with *any* GNU software.
# Each package is responsible for reporting which valid configurations
# it does not support.  The user should be able to distinguish
# a failure to support a valid configuration from a meaningless
# configuration.

# The goal of this file is to map all the various variations of a given
# machine specification into a single specification in the form:
#       CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
# or in some cases, the newer four-part form:
#       CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
# It is wrong to echo any other type of specification.

me=`echo "$0" | sed -e 's,.*/,,'`

usage="\
Usage: $0 [OPTION] CPU-MFR-OPSYS
       $0 [OPTION] ALIAS

Canonicalize a configuration name.

Operation modes:
  -h, --help         print this help, then exit
  -t, --time-stamp   print date of last modification, then exit
  -v, --version      print version number, then exit

Report bugs and patches to <config-patches@gnu.org>."

version="\
GNU config.sub ($timestamp)

Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.

This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."

help="
Try \`$me --help' for more information."

# Parse command line
while test $# -gt 0 ; do
  case $1 in
    --time-stamp | --time* | -t )
       echo "$timestamp" ; exit ;;
    --version | -v )
       echo "$version" ; exit ;;
    --help | --h* | -h )
       echo "$usage"; exit ;;
    -- )     # Stop option processing
       shift; break ;;
    - ) # Use stdin as input.
       break ;;
    -* )
       echo "$me: invalid option $1$help"
       exit 1 ;;

    *local*)
       # First pass through any local machine types.
       echo $1
       exit ;;

    * )
       break ;;
  esac
done

case $# in
 0) echo "$me: missing argument$help" >&2
    exit 1;;
 1) ;;
 *) echo "$me: too many arguments$help" >&2
    exit 1;;
esac

# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
# Here we must recognize all the valid KERNEL-OS combinations.
maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
case $maybe_os in
  nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \
  uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \
  kopensolaris*-gnu* | \
  storm-chaos* | os2-emx* | rtmk-nova*)
    os=-$maybe_os
    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
    ;;
  *)
    basic_machine=`echo $1 | sed 's/-[^-]*$//'`
    if [ $basic_machine != $1 ]
    then os=`echo $1 | sed 's/.*-/-/'`
    else os=; fi
    ;;
esac

### Let's recognize common machines as not being operating systems so
### that things like config.sub decstation-3100 work.  We also
### recognize some manufacturers as not being operating systems, so we
### can provide default operating systems below.
case $os in
        -sun*os*)
                # Prevent following clause from handling this invalid input.
                ;;
        -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
        -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
        -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
        -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
        -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
        -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
        -apple | -axis | -knuth | -cray | -microblaze)
                os=
                basic_machine=$1
                ;;
        -bluegene*)
                os=-cnk
                ;;
        -sim | -cisco | -oki | -wec | -winbond)
                os=
                basic_machine=$1
                ;;
        -scout)
                ;;
        -wrs)
                os=-vxworks
                basic_machine=$1
                ;;
        -chorusos*)
                os=-chorusos
                basic_machine=$1
                ;;
        -chorusrdb)
                os=-chorusrdb
                basic_machine=$1
                ;;
        -hiux*)
                os=-hiuxwe2
                ;;
        -sco6)
                os=-sco5v6
                basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
                ;;
        -sco5)
                os=-sco3.2v5
                basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
                ;;
        -sco4)
                os=-sco3.2v4
                basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
                ;;
        -sco3.2.[4-9]*)
                os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
                basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
                ;;
        -sco3.2v[4-9]*)
                # Don't forget version if it is 3.2v4 or newer.
                basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
                ;;
        -sco5v6*)
                # Don't forget version if it is 3.2v4 or newer.
                basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
                ;;
        -sco*)
                os=-sco3.2v2
                basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
                ;;
        -udk*)
                basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
                ;;
        -isc)
                os=-isc2.2
                basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
                ;;
        -clix*)
                basic_machine=clipper-intergraph
                ;;
        -isc*)
                basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
                ;;
        -lynx*)
                os=-lynxos
                ;;
        -ptx*)
                basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
                ;;
        -windowsnt*)
                os=`echo $os | sed -e 's/windowsnt/winnt/'`
                ;;
        -psos*)
                os=-psos
                ;;
        -mint | -mint[0-9]*)
                basic_machine=m68k-atari
                os=-mint
                ;;
esac

# Decode aliases for certain CPU-COMPANY combinations.
case $basic_machine in
        # Recognize the basic CPU types without company name.
        # Some are omitted here because they have special meanings below.
        1750a | 580 \
        | a29k \
        | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
        | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
        | am33_2.0 \
        | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
        | bfin \
        | c4x | clipper \
        | d10v | d30v | dlx | dsp16xx \
        | fido | fr30 | frv \
        | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
        | i370 | i860 | i960 | ia64 \
        | ip2k | iq2000 \
        | lm32 \
        | m32c | m32r | m32rle | m68000 | m68k | m88k \
        | maxq | mb | microblaze | mcore | mep | metag \
        | mips | mipsbe | mipseb | mipsel | mipsle \
        | mips16 \
        | mips64 | mips64el \
        | mips64octeon | mips64octeonel \
        | mips64orion | mips64orionel \
        | mips64r5900 | mips64r5900el \
        | mips64vr | mips64vrel \
        | mips64vr4100 | mips64vr4100el \
        | mips64vr4300 | mips64vr4300el \
        | mips64vr5000 | mips64vr5000el \
        | mips64vr5900 | mips64vr5900el \
        | mipsisa32 | mipsisa32el \
        | mipsisa32r2 | mipsisa32r2el \
        | mipsisa64 | mipsisa64el \
        | mipsisa64r2 | mipsisa64r2el \
        | mipsisa64sb1 | mipsisa64sb1el \
        | mipsisa64sr71k | mipsisa64sr71kel \
        | mipstx39 | mipstx39el \
        | mn10200 | mn10300 \
        | moxie \
        | mt \
        | msp430 \
        | nios | nios2 \
        | ns16k | ns32k \
        | or32 \
        | pdp10 | pdp11 | pj | pjl \
        | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
        | pyramid \
        | rx \
        | score \
        | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
        | sh64 | sh64le \
        | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
        | sparcv8 | sparcv9 | sparcv9b | sparcv9v \
        | spu | strongarm \
        | tahoe | thumb | tic4x | tic80 | tron \
        | ubicom32 \
        | v850 | v850e \
        | we32k \
        | x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \
        | z8k | z80)
                basic_machine=$basic_machine-unknown
                ;;
        m6811 | m68hc11 | m6812 | m68hc12 | picochip)
                # Motorola 68HC11/12.
                basic_machine=$basic_machine-unknown
                os=-none
                ;;
        m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
                ;;
        ms1)
                basic_machine=mt-unknown
                ;;

        # We use `pc' rather than `unknown'
        # because (1) that's what they normally are, and
        # (2) the word "unknown" tends to confuse beginning users.
        i*86 | x86_64)
          basic_machine=$basic_machine-pc
          ;;
        # Object if more than one company name word.
        *-*-*)
                echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
                exit 1
                ;;
        # Recognize the basic CPU types with company name.
        580-* \
        | a29k-* \
        | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
        | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
        | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
        | arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
        | avr-* | avr32-* \
        | bfin-* | bs2000-* \
        | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \
        | clipper-* | craynv-* | cydra-* \
        | d10v-* | d30v-* | dlx-* \
        | elxsi-* \
        | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
        | h8300-* | h8500-* \
        | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
        | i*86-* | i860-* | i960-* | ia64-* \
        | ip2k-* | iq2000-* \
        | lm32-* \
        | m32c-* | m32r-* | m32rle-* \
        | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
        | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \
        | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
        | mips16-* \
        | mips64-* | mips64el-* \
        | mips64octeon-* | mips64octeonel-* \
        | mips64orion-* | mips64orionel-* \
        | mips64r5900-* | mips64r5900el-* \
        | mips64vr-* | mips64vrel-* \
        | mips64vr4100-* | mips64vr4100el-* \
        | mips64vr4300-* | mips64vr4300el-* \
        | mips64vr5000-* | mips64vr5000el-* \
        | mips64vr5900-* | mips64vr5900el-* \
        | mipsisa32-* | mipsisa32el-* \
        | mipsisa32r2-* | mipsisa32r2el-* \
        | mipsisa64-* | mipsisa64el-* \
        | mipsisa64r2-* | mipsisa64r2el-* \
        | mipsisa64sb1-* | mipsisa64sb1el-* \
        | mipsisa64sr71k-* | mipsisa64sr71kel-* \
        | mipstx39-* | mipstx39el-* \
        | mmix-* \
        | mt-* \
        | msp430-* \
        | nios-* | nios2-* \
        | none-* | np1-* | ns16k-* | ns32k-* \
        | orion-* \
        | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
        | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
        | pyramid-* \
        | romp-* | rs6000-* | rx-* \
        | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
        | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
        | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
        | sparclite-* \
        | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \
        | tahoe-* | thumb-* \
        | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* | tile-* \
        | tron-* \
        | ubicom32-* \
        | v850-* | v850e-* | vax-* \
        | we32k-* \
        | x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \
        | xstormy16-* | xtensa*-* \
        | ymp-* \
        | z8k-* | z80-*)
                ;;
        # Recognize the basic CPU types without company name, with glob match.
        xtensa*)
                basic_machine=$basic_machine-unknown
                ;;
        # Recognize the various machine names and aliases which stand
        # for a CPU type and a company and sometimes even an OS.
        386bsd)
                basic_machine=i386-unknown
                os=-bsd
                ;;
        3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
                basic_machine=m68000-att
                ;;
        3b*)
                basic_machine=we32k-att
                ;;
        a29khif)
                basic_machine=a29k-amd
                os=-udi
                ;;
        abacus)
                basic_machine=abacus-unknown
                ;;
        adobe68k)
                basic_machine=m68010-adobe
                os=-scout
                ;;
        alliant | fx80)
                basic_machine=fx80-alliant
                ;;
        altos | altos3068)
                basic_machine=m68k-altos
                ;;
        am29k)
                basic_machine=a29k-none
                os=-bsd
                ;;
        amd64)
                basic_machine=x86_64-pc
                ;;
        amd64-*)
                basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        amdahl)
                basic_machine=580-amdahl
                os=-sysv
                ;;
        amiga | amiga-*)
                basic_machine=m68k-unknown
                ;;
        amigaos | amigados)
                basic_machine=m68k-unknown
                os=-amigaos
                ;;
        amigaunix | amix)
                basic_machine=m68k-unknown
                os=-sysv4
                ;;
        apollo68)
                basic_machine=m68k-apollo
                os=-sysv
                ;;
        apollo68bsd)
                basic_machine=m68k-apollo
                os=-bsd
                ;;
        aros)
                basic_machine=i386-pc
                os=-aros
                ;;
        aux)
                basic_machine=m68k-apple
                os=-aux
                ;;
        balance)
                basic_machine=ns32k-sequent
                os=-dynix
                ;;
        blackfin)
                basic_machine=bfin-unknown
                os=-linux
                ;;
        blackfin-*)
                basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
                os=-linux
                ;;
        bluegene*)
                basic_machine=powerpc-ibm
                os=-cnk
                ;;
        c90)
                basic_machine=c90-cray
                os=-unicos
                ;;
        cegcc)
                basic_machine=arm-unknown
                os=-cegcc
                ;;
        convex-c1)
                basic_machine=c1-convex
                os=-bsd
                ;;
        convex-c2)
                basic_machine=c2-convex
                os=-bsd
                ;;
        convex-c32)
                basic_machine=c32-convex
                os=-bsd
                ;;
        convex-c34)
                basic_machine=c34-convex
                os=-bsd
                ;;
        convex-c38)
                basic_machine=c38-convex
                os=-bsd
                ;;
        cray | j90)
                basic_machine=j90-cray
                os=-unicos
                ;;
        craynv)
                basic_machine=craynv-cray
                os=-unicosmp
                ;;
        cr16)
                basic_machine=cr16-unknown
                os=-elf
                ;;
        crds | unos)
                basic_machine=m68k-crds
                ;;
        crisv32 | crisv32-* | etraxfs*)
                basic_machine=crisv32-axis
                ;;
        cris | cris-* | etrax*)
                basic_machine=cris-axis
                ;;
        crx)
                basic_machine=crx-unknown
                os=-elf
                ;;
        da30 | da30-*)
                basic_machine=m68k-da30
                ;;
        decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
                basic_machine=mips-dec
                ;;
        decsystem10* | dec10*)
                basic_machine=pdp10-dec
                os=-tops10
                ;;
        decsystem20* | dec20*)
                basic_machine=pdp10-dec
                os=-tops20
                ;;
        delta | 3300 | motorola-3300 | motorola-delta \
              | 3300-motorola | delta-motorola)
                basic_machine=m68k-motorola
                ;;
        delta88)
                basic_machine=m88k-motorola
                os=-sysv3
                ;;
        dicos)
                basic_machine=i686-pc
                os=-dicos
                ;;
        djgpp)
                basic_machine=i586-pc
                os=-msdosdjgpp
                ;;
        dpx20 | dpx20-*)
                basic_machine=rs6000-bull
                os=-bosx
                ;;
        dpx2* | dpx2*-bull)
                basic_machine=m68k-bull
                os=-sysv3
                ;;
        ebmon29k)
                basic_machine=a29k-amd
                os=-ebmon
                ;;
        elxsi)
                basic_machine=elxsi-elxsi
                os=-bsd
                ;;
        encore | umax | mmax)
                basic_machine=ns32k-encore
                ;;
        es1800 | OSE68k | ose68k | ose | OSE)
                basic_machine=m68k-ericsson
                os=-ose
                ;;
        fx2800)
                basic_machine=i860-alliant
                ;;
        genix)
                basic_machine=ns32k-ns
                ;;
        gmicro)
                basic_machine=tron-gmicro
                os=-sysv
                ;;
        go32)
                basic_machine=i386-pc
                os=-go32
                ;;
        h3050r* | hiux*)
                basic_machine=hppa1.1-hitachi
                os=-hiuxwe2
                ;;
        h8300hms)
                basic_machine=h8300-hitachi
                os=-hms
                ;;
        h8300xray)
                basic_machine=h8300-hitachi
                os=-xray
                ;;
        h8500hms)
                basic_machine=h8500-hitachi
                os=-hms
                ;;
        harris)
                basic_machine=m88k-harris
                os=-sysv3
                ;;
        hp300-*)
                basic_machine=m68k-hp
                ;;
        hp300bsd)
                basic_machine=m68k-hp
                os=-bsd
                ;;
        hp300hpux)
                basic_machine=m68k-hp
                os=-hpux
                ;;
        hp3k9[0-9][0-9] | hp9[0-9][0-9])
                basic_machine=hppa1.0-hp
                ;;
        hp9k2[0-9][0-9] | hp9k31[0-9])
                basic_machine=m68000-hp
                ;;
        hp9k3[2-9][0-9])
                basic_machine=m68k-hp
                ;;
        hp9k6[0-9][0-9] | hp6[0-9][0-9])
                basic_machine=hppa1.0-hp
                ;;
        hp9k7[0-79][0-9] | hp7[0-79][0-9])
                basic_machine=hppa1.1-hp
                ;;
        hp9k78[0-9] | hp78[0-9])
                # FIXME: really hppa2.0-hp
                basic_machine=hppa1.1-hp
                ;;
        hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
                # FIXME: really hppa2.0-hp
                basic_machine=hppa1.1-hp
                ;;
        hp9k8[0-9][13679] | hp8[0-9][13679])
                basic_machine=hppa1.1-hp
                ;;
        hp9k8[0-9][0-9] | hp8[0-9][0-9])
                basic_machine=hppa1.0-hp
                ;;
        hppa-next)
                os=-nextstep3
                ;;
        hppaosf)
                basic_machine=hppa1.1-hp
                os=-osf
                ;;
        hppro)
                basic_machine=hppa1.1-hp
                os=-proelf
                ;;
        i370-ibm* | ibm*)
                basic_machine=i370-ibm
                ;;
# I'm not sure what "Sysv32" means.  Should this be sysv3.2?
        i*86v32)
                basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
                os=-sysv32
                ;;
        i*86v4*)
                basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
                os=-sysv4
                ;;
        i*86v)
                basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
                os=-sysv
                ;;
        i*86sol2)
                basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
                os=-solaris2
                ;;
        i386mach)
                basic_machine=i386-mach
                os=-mach
                ;;
        i386-vsta | vsta)
                basic_machine=i386-unknown
                os=-vsta
                ;;
        iris | iris4d)
                basic_machine=mips-sgi
                case $os in
                    -irix*)
                        ;;
                    *)
                        os=-irix4
                        ;;
                esac
                ;;
        isi68 | isi)
                basic_machine=m68k-isi
                os=-sysv
                ;;
        m68knommu)
                basic_machine=m68k-unknown
                os=-linux
                ;;
        m68knommu-*)
                basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
                os=-linux
                ;;
        m88k-omron*)
                basic_machine=m88k-omron
                ;;
        magnum | m3230)
                basic_machine=mips-mips
                os=-sysv
                ;;
        merlin)
                basic_machine=ns32k-utek
                os=-sysv
                ;;
        microblaze)
                basic_machine=microblaze-xilinx
                ;;
        mingw32)
                basic_machine=i386-pc
                os=-mingw32
                ;;
        mingw32ce)
                basic_machine=arm-unknown
                os=-mingw32ce
                ;;
        miniframe)
                basic_machine=m68000-convergent
                ;;
        *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
                basic_machine=m68k-atari
                os=-mint
                ;;
        mips3*-*)
                basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
                ;;
        mips3*)
                basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
                ;;
        monitor)
                basic_machine=m68k-rom68k
                os=-coff
                ;;
        morphos)
                basic_machine=powerpc-unknown
                os=-morphos
                ;;
        msdos)
                basic_machine=i386-pc
                os=-msdos
                ;;
        ms1-*)
                basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
                ;;
        mvs)
                basic_machine=i370-ibm
                os=-mvs
                ;;
        ncr3000)
                basic_machine=i486-ncr
                os=-sysv4
                ;;
        netbsd386)
                basic_machine=i386-unknown
                os=-netbsd
                ;;
        netwinder)
                basic_machine=armv4l-rebel
                os=-linux
                ;;
        news | news700 | news800 | news900)
                basic_machine=m68k-sony
                os=-newsos
                ;;
        news1000)
                basic_machine=m68030-sony
                os=-newsos
                ;;
        news-3600 | risc-news)
                basic_machine=mips-sony
                os=-newsos
                ;;
        necv70)
                basic_machine=v70-nec
                os=-sysv
                ;;
        next | m*-next )
                basic_machine=m68k-next
                case $os in
                    -nextstep* )
                        ;;
                    -ns2*)
                      os=-nextstep2
                        ;;
                    *)
                      os=-nextstep3
                        ;;
                esac
                ;;
        nh3000)
                basic_machine=m68k-harris
                os=-cxux
                ;;
        nh[45]000)
                basic_machine=m88k-harris
                os=-cxux
                ;;
        nindy960)
                basic_machine=i960-intel
                os=-nindy
                ;;
        mon960)
                basic_machine=i960-intel
                os=-mon960
                ;;
        nonstopux)
                basic_machine=mips-compaq
                os=-nonstopux
                ;;
        np1)
                basic_machine=np1-gould
                ;;
        nsr-tandem)
                basic_machine=nsr-tandem
                ;;
        op50n-* | op60c-*)
                basic_machine=hppa1.1-oki
                os=-proelf
                ;;
        openrisc | openrisc-*)
                basic_machine=or32-unknown
                ;;
        os400)
                basic_machine=powerpc-ibm
                os=-os400
                ;;
        OSE68000 | ose68000)
                basic_machine=m68000-ericsson
                os=-ose
                ;;
        os68k)
                basic_machine=m68k-none
                os=-os68k
                ;;
        pa-hitachi)
                basic_machine=hppa1.1-hitachi
                os=-hiuxwe2
                ;;
        paragon)
                basic_machine=i860-intel
                os=-osf
                ;;
        parisc)
                basic_machine=hppa-unknown
                os=-linux
                ;;
        parisc-*)
                basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
                os=-linux
                ;;
        pbd)
                basic_machine=sparc-tti
                ;;
        pbb)
                basic_machine=m68k-tti
                ;;
        pc532 | pc532-*)
                basic_machine=ns32k-pc532
                ;;
        pc98)
                basic_machine=i386-pc
                ;;
        pc98-*)
                basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        pentium | p5 | k5 | k6 | nexgen | viac3)
                basic_machine=i586-pc
                ;;
        pentiumpro | p6 | 6x86 | athlon | athlon_*)
                basic_machine=i686-pc
                ;;
        pentiumii | pentium2 | pentiumiii | pentium3)
                basic_machine=i686-pc
                ;;
        pentium4)
                basic_machine=i786-pc
                ;;
        pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
                basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        pentiumpro-* | p6-* | 6x86-* | athlon-*)
                basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
                basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        pentium4-*)
                basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        pn)
                basic_machine=pn-gould
                ;;
        power)  basic_machine=power-ibm
                ;;
        ppc)    basic_machine=powerpc-unknown
                ;;
        ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        ppcle | powerpclittle | ppc-le | powerpc-little)
                basic_machine=powerpcle-unknown
                ;;
        ppcle-* | powerpclittle-*)
                basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        ppc64)  basic_machine=powerpc64-unknown
                ;;
        ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        ppc64le | powerpc64little | ppc64-le | powerpc64-little)
                basic_machine=powerpc64le-unknown
                ;;
        ppc64le-* | powerpc64little-*)
                basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
                ;;
        ps2)
                basic_machine=i386-ibm
                ;;
        pw32)
                basic_machine=i586-unknown
                os=-pw32
                ;;
        rdos)
                basic_machine=i386-pc
                os=-rdos
                ;;
        rom68k)
                basic_machine=m68k-rom68k
                os=-coff
                ;;
        rm[46]00)
                basic_machine=mips-siemens
                ;;
        rtpc | rtpc-*)
                basic_machine=romp-ibm
                ;;
        s390 | s390-*)
                basic_machine=s390-ibm
                ;;
        s390x | s390x-*)
                basic_machine=s390x-ibm
                ;;
        sa29200)
                basic_machine=a29k-amd
                os=-udi
                ;;
        sb1)
                basic_machine=mipsisa64sb1-unknown
                ;;
        sb1el)
                basic_machine=mipsisa64sb1el-unknown
                ;;
        sde)
                basic_machine=mipsisa32-sde
                os=-elf
                ;;
        sei)
                basic_machine=mips-sei
                os=-seiux
                ;;
        sequent)
                basic_machine=i386-sequent
                ;;
        sh)
                basic_machine=sh-hitachi
                os=-hms
                ;;
        sh5el)
                basic_machine=sh5le-unknown
                ;;
        sh64)
                basic_machine=sh64-unknown
                ;;
        sparclite-wrs | simso-wrs)
                basic_machine=sparclite-wrs
                os=-vxworks
                ;;
        sps7)
                basic_machine=m68k-bull
                os=-sysv2
                ;;
        spur)
                basic_machine=spur-unknown
                ;;
        st2000)
                basic_machine=m68k-tandem
                ;;
        stratus)
                basic_machine=i860-stratus
                os=-sysv4
                ;;
        sun2)
                basic_machine=m68000-sun
                ;;
        sun2os3)
                basic_machine=m68000-sun
                os=-sunos3
                ;;
        sun2os4)
                basic_machine=m68000-sun
                os=-sunos4
                ;;
        sun3os3)
                basic_machine=m68k-sun
                os=-sunos3
                ;;
        sun3os4)
                basic_machine=m68k-sun
                os=-sunos4
                ;;
        sun4os3)
                basic_machine=sparc-sun
                os=-sunos3
                ;;
        sun4os4)
                basic_machine=sparc-sun
                os=-sunos4
                ;;
        sun4sol2)
                basic_machine=sparc-sun
                os=-solaris2
                ;;
        sun3 | sun3-*)
                basic_machine=m68k-sun
                ;;
        sun4)
                basic_machine=sparc-sun
                ;;
        sun386 | sun386i | roadrunner)
                basic_machine=i386-sun
                ;;
        sv1)
                basic_machine=sv1-cray
                os=-unicos
                ;;
        symmetry)
                basic_machine=i386-sequent
                os=-dynix
                ;;
        t3e)
                basic_machine=alphaev5-cray
                os=-unicos
                ;;
        t90)
                basic_machine=t90-cray
                os=-unicos
                ;;
        tic54x | c54x*)
                basic_machine=tic54x-unknown
                os=-coff
                ;;
        tic55x | c55x*)
                basic_machine=tic55x-unknown
                os=-coff
                ;;
        tic6x | c6x*)
                basic_machine=tic6x-unknown
                os=-coff
                ;;
        tile*)
                basic_machine=tile-unknown
                os=-linux-gnu
                ;;
        tx39)
                basic_machine=mipstx39-unknown
                ;;
        tx39el)
                basic_machine=mipstx39el-unknown
                ;;
        toad1)
                basic_machine=pdp10-xkl
                os=-tops20
                ;;
        tower | tower-32)
                basic_machine=m68k-ncr
                ;;
        tpf)
                basic_machine=s390x-ibm
                os=-tpf
                ;;
        udi29k)
                basic_machine=a29k-amd
                os=-udi
                ;;
        ultra3)
                basic_machine=a29k-nyu
                os=-sym1
                ;;
        v810 | necv810)
                basic_machine=v810-nec
                os=-none
                ;;
        vaxv)
                basic_machine=vax-dec
                os=-sysv
                ;;
        vms)
                basic_machine=vax-dec
                os=-vms
                ;;
        vpp*|vx|vx-*)
                basic_machine=f301-fujitsu
                ;;
        vxworks960)
                basic_machine=i960-wrs
                os=-vxworks
                ;;
        vxworks68)
                basic_machine=m68k-wrs
                os=-vxworks
                ;;
        vxworks29k)
                basic_machine=a29k-wrs
                os=-vxworks
                ;;
        w65*)
                basic_machine=w65-wdc
                os=-none
                ;;
        w89k-*)
                basic_machine=hppa1.1-winbond
                os=-proelf
                ;;
        xbox)
                basic_machine=i686-pc
                os=-mingw32
                ;;
        xps | xps100)
                basic_machine=xps100-honeywell
                ;;
        ymp)
                basic_machine=ymp-cray
                os=-unicos
                ;;
        z8k-*-coff)
                basic_machine=z8k-unknown
                os=-sim
                ;;
        z80-*-coff)
                basic_machine=z80-unknown
                os=-sim
                ;;
        none)
                basic_machine=none-none
                os=-none
                ;;

# Here we handle the default manufacturer of certain CPU types.  It is in
# some cases the only manufacturer, in others, it is the most popular.
        w89k)
                basic_machine=hppa1.1-winbond
                ;;
        op50n)
                basic_machine=hppa1.1-oki
                ;;
        op60c)
                basic_machine=hppa1.1-oki
                ;;
        romp)
                basic_machine=romp-ibm
                ;;
        mmix)
                basic_machine=mmix-knuth
                ;;
        rs6000)
                basic_machine=rs6000-ibm
                ;;
        vax)
                basic_machine=vax-dec
                ;;
        pdp10)
                # there are many clones, so DEC is not a safe bet
                basic_machine=pdp10-unknown
                ;;
        pdp11)
                basic_machine=pdp11-dec
                ;;
        we32k)
                basic_machine=we32k-att
                ;;
        sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
                basic_machine=sh-unknown
                ;;
        sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
                basic_machine=sparc-sun
                ;;
        cydra)
                basic_machine=cydra-cydrome
                ;;
        orion)
                basic_machine=orion-highlevel
                ;;
        orion105)
                basic_machine=clipper-highlevel
                ;;
        mac | mpw | mac-mpw)
                basic_machine=m68k-apple
                ;;
        pmac | pmac-mpw)
                basic_machine=powerpc-apple
                ;;
        *-unknown)
                # Make sure to match an already-canonicalized machine name.
                ;;
        *)
                echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
                exit 1
                ;;
esac

# Here we canonicalize certain aliases for manufacturers.
case $basic_machine in
        *-digital*)
                basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
                ;;
        *-commodore*)
                basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
                ;;
        *)
                ;;
esac

# Decode manufacturer-specific aliases for certain operating systems.

if [ x"$os" != x"" ]
then
case $os in
        # First match some system type aliases
        # that might get confused with valid system types.
        # -solaris* is a basic system type, with this one exception.
        -auroraux)
                os=-auroraux
                ;;
        -solaris1 | -solaris1.*)
                os=`echo $os | sed -e 's|solaris1|sunos4|'`
                ;;
        -solaris)
                os=-solaris2
                ;;
        -svr4*)
                os=-sysv4
                ;;
        -unixware*)
                os=-sysv4.2uw
                ;;
        -gnu/linux*)
                os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
                ;;
        # First accept the basic system types.
        # The portable systems comes first.
        # Each alternative MUST END IN A *, to match a version number.
        # -sysv* is not here because it comes later, after sysvr4.
        -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
              | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
              | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
              | -sym* | -kopensolaris* \
              | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
              | -aos* | -aros* \
              | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
              | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
              | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
              | -openbsd* | -solidbsd* \
              | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
              | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
              | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
              | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
              | -chorusos* | -chorusrdb* | -cegcc* \
              | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
              | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \
              | -uxpv* | -beos* | -mpeix* | -udk* \
              | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
              | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
              | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
              | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
              | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
              | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
              | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*)
        # Remember, each alternative MUST END IN *, to match a version number.
                ;;
        -qnx*)
                case $basic_machine in
                    x86-* | i*86-*)
                        ;;
                    *)
                        os=-nto$os
                        ;;
                esac
                ;;
        -nto-qnx*)
                ;;
        -nto*)
                os=`echo $os | sed -e 's|nto|nto-qnx|'`
                ;;
        -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
              | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
              | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
                ;;
        -mac*)
                os=`echo $os | sed -e 's|mac|macos|'`
                ;;
        -linux-dietlibc)
                os=-linux-dietlibc
                ;;
        -linux*)
                os=`echo $os | sed -e 's|linux|linux-gnu|'`
                ;;
        -sunos5*)
                os=`echo $os | sed -e 's|sunos5|solaris2|'`
                ;;
        -sunos6*)
                os=`echo $os | sed -e 's|sunos6|solaris3|'`
                ;;
        -opened*)
                os=-openedition
                ;;
        -os400*)
                os=-os400
                ;;
        -wince*)
                os=-wince
                ;;
        -osfrose*)
                os=-osfrose
                ;;
        -osf*)
                os=-osf
                ;;
        -utek*)
                os=-bsd
                ;;
        -dynix*)
                os=-bsd
                ;;
        -acis*)
                os=-aos
                ;;
        -atheos*)
                os=-atheos
                ;;
        -syllable*)
                os=-syllable
                ;;
        -386bsd)
                os=-bsd
                ;;
        -ctix* | -uts*)
                os=-sysv
                ;;
        -nova*)
                os=-rtmk-nova
                ;;
        -ns2 )
                os=-nextstep2
                ;;
        -nsk*)
                os=-nsk
                ;;
        # Preserve the version number of sinix5.
        -sinix5.*)
                os=`echo $os | sed -e 's|sinix|sysv|'`
                ;;
        -sinix*)
                os=-sysv4
                ;;
        -tpf*)
                os=-tpf
                ;;
        -triton*)
                os=-sysv3
                ;;
        -oss*)
                os=-sysv3
                ;;
        -svr4)
                os=-sysv4
                ;;
        -svr3)
                os=-sysv3
                ;;
        -sysvr4)
                os=-sysv4
                ;;
        # This must come after -sysvr4.
        -sysv*)
                ;;
        -ose*)
                os=-ose
                ;;
        -es1800*)
                os=-ose
                ;;
        -xenix)
                os=-xenix
                ;;
        -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
                os=-mint
                ;;
        -aros*)
                os=-aros
                ;;
        -kaos*)
                os=-kaos
                ;;
        -zvmoe)
                os=-zvmoe
                ;;
        -dicos*)
                os=-dicos
                ;;
        -none)
                ;;
        *)
                # Get rid of the `-' at the beginning of $os.
                os=`echo $os | sed 's/[^-]*-//'`
                echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
                exit 1
                ;;
esac
else

# Here we handle the default operating systems that come with various machines.
# The value should be what the vendor currently ships out the door with their
# machine or put another way, the most popular os provided with the machine.

# Note that if you're going to try to match "-MANUFACTURER" here (say,
# "-sun"), then you have to tell the case statement up towards the top
# that MANUFACTURER isn't an operating system.  Otherwise, code above
# will signal an error saying that MANUFACTURER isn't an operating
# system, and we'll never get to this point.

case $basic_machine in
        score-*)
                os=-elf
                ;;
        spu-*)
                os=-elf
                ;;
        *-acorn)
                os=-riscix1.2
                ;;
        arm*-rebel)
                os=-linux
                ;;
        arm*-semi)
                os=-aout
                ;;
        c4x-* | tic4x-*)
                os=-coff
                ;;
        # This must come before the *-dec entry.
        pdp10-*)
                os=-tops20
                ;;
        pdp11-*)
                os=-none
                ;;
        *-dec | vax-*)
                os=-ultrix4.2
                ;;
        m68*-apollo)
                os=-domain
                ;;
        i386-sun)
                os=-sunos4.0.2
                ;;
        m68000-sun)
                os=-sunos3
                # This also exists in the configure program, but was not the
                # default.
                # os=-sunos4
                ;;
        m68*-cisco)
                os=-aout
                ;;
        mep-*)
                os=-elf
                ;;
        mips*-cisco)
                os=-elf
                ;;
        mips*-*)
                os=-elf
                ;;
        or32-*)
                os=-coff
                ;;
        *-tti)  # must be before sparc entry or we get the wrong os.
                os=-sysv3
                ;;
        sparc-* | *-sun)
                os=-sunos4.1.1
                ;;
        *-be)
                os=-beos
                ;;
        *-haiku)
                os=-haiku
                ;;
        *-ibm)
                os=-aix
                ;;
        *-knuth)
                os=-mmixware
                ;;
        *-wec)
                os=-proelf
                ;;
        *-winbond)
                os=-proelf
                ;;
        *-oki)
                os=-proelf
                ;;
        *-hp)
                os=-hpux
                ;;
        *-hitachi)
                os=-hiux
                ;;
        i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
                os=-sysv
                ;;
        *-cbm)
                os=-amigaos
                ;;
        *-dg)
                os=-dgux
                ;;
        *-dolphin)
                os=-sysv3
                ;;
        m68k-ccur)
                os=-rtu
                ;;
        m88k-omron*)
                os=-luna
                ;;
        *-next )
                os=-nextstep
                ;;
        *-sequent)
                os=-ptx
                ;;
        *-crds)
                os=-unos
                ;;
        *-ns)
                os=-genix
                ;;
        i370-*)
                os=-mvs
                ;;
        *-next)
                os=-nextstep3
                ;;
        *-gould)
                os=-sysv
                ;;
        *-highlevel)
                os=-bsd
                ;;
        *-encore)
                os=-bsd
                ;;
        *-sgi)
                os=-irix
                ;;
        *-siemens)
                os=-sysv4
                ;;
        *-masscomp)
                os=-rtu
                ;;
        f30[01]-fujitsu | f700-fujitsu)
                os=-uxpv
                ;;
        *-rom68k)
                os=-coff
                ;;
        *-*bug)
                os=-coff
                ;;
        *-apple)
                os=-macos
                ;;
        *-atari*)
                os=-mint
                ;;
        *)
                os=-none
                ;;
esac
fi

# Here we handle the case where we know the os, and the CPU type, but not the
# manufacturer.  We pick the logical manufacturer.
vendor=unknown
case $basic_machine in
        *-unknown)
                case $os in
                        -riscix*)
                                vendor=acorn
                                ;;
                        -sunos*)
                                vendor=sun
                                ;;
                        -cnk*|-aix*)
                                vendor=ibm
                                ;;
                        -beos*)
                                vendor=be
                                ;;
                        -hpux*)
                                vendor=hp
                                ;;
                        -mpeix*)
                                vendor=hp
                                ;;
                        -hiux*)
                                vendor=hitachi
                                ;;
                        -unos*)
                                vendor=crds
                                ;;
                        -dgux*)
                                vendor=dg
                                ;;
                        -luna*)
                                vendor=omron
                                ;;
                        -genix*)
                                vendor=ns
                                ;;
                        -mvs* | -opened*)
                                vendor=ibm
                                ;;
                        -os400*)
                                vendor=ibm
                                ;;
                        -ptx*)
                                vendor=sequent
                                ;;
                        -tpf*)
                                vendor=ibm
                                ;;
                        -vxsim* | -vxworks* | -windiss*)
                                vendor=wrs
                                ;;
                        -aux*)
                                vendor=apple
                                ;;
                        -hms*)
                                vendor=hitachi
                                ;;
                        -mpw* | -macos*)
                                vendor=apple
                                ;;
                        -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
                                vendor=atari
                                ;;
                        -vos*)
                                vendor=stratus
                                ;;
                esac
                basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
                ;;
esac

echo $basic_machine$os
exit

# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "timestamp='"
# time-stamp-format: "%:y-%02m-%02d"
# time-stamp-end: "'"
# End: