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    1 #! /bin/sh
    2 # Configuration validation subroutine script.
    3 #   Copyright 1992-2017 Free Software Foundation, Inc.
    4 
    5 timestamp='2017-04-02'
    6 
    7 # This file is free software; you can redistribute it and/or modify it
    8 # under the terms of the GNU General Public License as published by
    9 # the Free Software Foundation; either version 3 of the License, or
   10 # (at your option) any later version.
   11 #
   12 # This program is distributed in the hope that it will be useful, but
   13 # WITHOUT ANY WARRANTY; without even the implied warranty of
   14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   15 # General Public License for more details.
   16 #
   17 # You should have received a copy of the GNU General Public License
   18 # along with this program; if not, see <http://www.gnu.org/licenses/>.
   19 #
   20 # As a special exception to the GNU General Public License, if you
   21 # distribute this file as part of a program that contains a
   22 # configuration script generated by Autoconf, you may include it under
   23 # the same distribution terms that you use for the rest of that
   24 # program.  This Exception is an additional permission under section 7
   25 # of the GNU General Public License, version 3 ("GPLv3").
   26 
   27 
   28 # Please send patches to <config-patches@gnu.org>.
   29 #
   30 # Configuration subroutine to validate and canonicalize a configuration type.
   31 # Supply the specified configuration type as an argument.
   32 # If it is invalid, we print an error message on stderr and exit with code 1.
   33 # Otherwise, we print the canonical config type on stdout and succeed.
   34 
   35 # You can get the latest version of this script from:
   36 # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
   37 
   38 # This file is supposed to be the same for all GNU packages
   39 # and recognize all the CPU types, system types and aliases
   40 # that are meaningful with *any* GNU software.
   41 # Each package is responsible for reporting which valid configurations
   42 # it does not support.  The user should be able to distinguish
   43 # a failure to support a valid configuration from a meaningless
   44 # configuration.
   45 
   46 # The goal of this file is to map all the various variations of a given
   47 # machine specification into a single specification in the form:
   48 #   CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
   49 # or in some cases, the newer four-part form:
   50 #   CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
   51 # It is wrong to echo any other type of specification.
   52 
   53 me=`echo "$0" | sed -e 's,.*/,,'`
   54 
   55 usage="\
   56 Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
   57 
   58 Canonicalize a configuration name.
   59 
   60 Operation modes:
   61   -h, --help         print this help, then exit
   62   -t, --time-stamp   print date of last modification, then exit
   63   -v, --version      print version number, then exit
   64 
   65 Report bugs and patches to <config-patches@gnu.org>."
   66 
   67 version="\
   68 GNU config.sub ($timestamp)
   69 
   70 Copyright 1992-2017 Free Software Foundation, Inc.
   71 
   72 This is free software; see the source for copying conditions.  There is NO
   73 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
   74 
   75 help="
   76 Try \`$me --help' for more information."
   77 
   78 # Parse command line
   79 while test $# -gt 0 ; do
   80   case $1 in
   81     --time-stamp | --time* | -t )
   82        echo "$timestamp" ; exit ;;
   83     --version | -v )
   84        echo "$version" ; exit ;;
   85     --help | --h* | -h )
   86        echo "$usage"; exit ;;
   87     -- )     # Stop option processing
   88        shift; break ;;
   89     - ) # Use stdin as input.
   90        break ;;
   91     -* )
   92        echo "$me: invalid option $1$help"
   93        exit 1 ;;
   94 
   95     *local*)
   96        # First pass through any local machine types.
   97        echo $1
   98        exit ;;
   99 
  100     * )
  101        break ;;
  102   esac
  103 done
  104 
  105 case $# in
  106  0) echo "$me: missing argument$help" >&2
  107     exit 1;;
  108  1) ;;
  109  *) echo "$me: too many arguments$help" >&2
  110     exit 1;;
  111 esac
  112 
  113 # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
  114 # Here we must recognize all the valid KERNEL-OS combinations.
  115 maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
  116 case $maybe_os in
  117   nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
  118   linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
  119   knetbsd*-gnu* | netbsd*-gnu* | netbsd*-eabi* | \
  120   kopensolaris*-gnu* | cloudabi*-eabi* | \
  121   storm-chaos* | os2-emx* | rtmk-nova*)
  122     os=-$maybe_os
  123     basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
  124     ;;
  125   android-linux)
  126     os=-linux-android
  127     basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown
  128     ;;
  129   *)
  130     basic_machine=`echo $1 | sed 's/-[^-]*$//'`
  131     if [ $basic_machine != $1 ]
  132     then os=`echo $1 | sed 's/.*-/-/'`
  133     else os=; fi
  134     ;;
  135 esac
  136 
  137 ### Let's recognize common machines as not being operating systems so
  138 ### that things like config.sub decstation-3100 work.  We also
  139 ### recognize some manufacturers as not being operating systems, so we
  140 ### can provide default operating systems below.
  141 case $os in
  142     -sun*os*)
  143         # Prevent following clause from handling this invalid input.
  144         ;;
  145     -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
  146     -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
  147     -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
  148     -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
  149     -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
  150     -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
  151     -apple | -axis | -knuth | -cray | -microblaze*)
  152         os=
  153         basic_machine=$1
  154         ;;
  155     -bluegene*)
  156         os=-cnk
  157         ;;
  158     -sim | -cisco | -oki | -wec | -winbond)
  159         os=
  160         basic_machine=$1
  161         ;;
  162     -scout)
  163         ;;
  164     -wrs)
  165         os=-vxworks
  166         basic_machine=$1
  167         ;;
  168     -chorusos*)
  169         os=-chorusos
  170         basic_machine=$1
  171         ;;
  172     -chorusrdb)
  173         os=-chorusrdb
  174         basic_machine=$1
  175         ;;
  176     -hiux*)
  177         os=-hiuxwe2
  178         ;;
  179     -sco6)
  180         os=-sco5v6
  181         basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  182         ;;
  183     -sco5)
  184         os=-sco3.2v5
  185         basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  186         ;;
  187     -sco4)
  188         os=-sco3.2v4
  189         basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  190         ;;
  191     -sco3.2.[4-9]*)
  192         os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
  193         basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  194         ;;
  195     -sco3.2v[4-9]*)
  196         # Don't forget version if it is 3.2v4 or newer.
  197         basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  198         ;;
  199     -sco5v6*)
  200         # Don't forget version if it is 3.2v4 or newer.
  201         basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  202         ;;
  203     -sco*)
  204         os=-sco3.2v2
  205         basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  206         ;;
  207     -udk*)
  208         basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  209         ;;
  210     -isc)
  211         os=-isc2.2
  212         basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  213         ;;
  214     -clix*)
  215         basic_machine=clipper-intergraph
  216         ;;
  217     -isc*)
  218         basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  219         ;;
  220     -lynx*178)
  221         os=-lynxos178
  222         ;;
  223     -lynx*5)
  224         os=-lynxos5
  225         ;;
  226     -lynx*)
  227         os=-lynxos
  228         ;;
  229     -ptx*)
  230         basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
  231         ;;
  232     -windowsnt*)
  233         os=`echo $os | sed -e 's/windowsnt/winnt/'`
  234         ;;
  235     -psos*)
  236         os=-psos
  237         ;;
  238     -mint | -mint[0-9]*)
  239         basic_machine=m68k-atari
  240         os=-mint
  241         ;;
  242 esac
  243 
  244 # Decode aliases for certain CPU-COMPANY combinations.
  245 case $basic_machine in
  246     # Recognize the basic CPU types without company name.
  247     # Some are omitted here because they have special meanings below.
  248     1750a | 580 \
  249     | a29k \
  250     | aarch64 | aarch64_be \
  251     | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
  252     | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
  253     | am33_2.0 \
  254     | arc | arceb \
  255     | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \
  256     | avr | avr32 \
  257     | ba \
  258     | be32 | be64 \
  259     | bfin \
  260     | c4x | c8051 | clipper \
  261     | d10v | d30v | dlx | dsp16xx \
  262     | e2k | epiphany \
  263     | fido | fr30 | frv | ft32 \
  264     | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
  265     | hexagon \
  266     | i370 | i860 | i960 | ia16 | ia64 \
  267     | ip2k | iq2000 \
  268     | k1om \
  269     | le32 | le64 \
  270     | lm32 \
  271     | m32c | m32r | m32rle | m68000 | m68k | m88k \
  272     | maxq | mb | microblaze | microblazeel | mcore | mep | metag \
  273     | mips | mipsbe | mipseb | mipsel | mipsle \
  274     | mips16 \
  275     | mips64 | mips64el \
  276     | mips64octeon | mips64octeonel \
  277     | mips64orion | mips64orionel \
  278     | mips64r5900 | mips64r5900el \
  279     | mips64vr | mips64vrel \
  280     | mips64vr4100 | mips64vr4100el \
  281     | mips64vr4300 | mips64vr4300el \
  282     | mips64vr5000 | mips64vr5000el \
  283     | mips64vr5900 | mips64vr5900el \
  284     | mipsisa32 | mipsisa32el \
  285     | mipsisa32r2 | mipsisa32r2el \
  286     | mipsisa32r6 | mipsisa32r6el \
  287     | mipsisa64 | mipsisa64el \
  288     | mipsisa64r2 | mipsisa64r2el \
  289     | mipsisa64r6 | mipsisa64r6el \
  290     | mipsisa64sb1 | mipsisa64sb1el \
  291     | mipsisa64sr71k | mipsisa64sr71kel \
  292     | mipsr5900 | mipsr5900el \
  293     | mipstx39 | mipstx39el \
  294     | mn10200 | mn10300 \
  295     | moxie \
  296     | mt \
  297     | msp430 \
  298     | nds32 | nds32le | nds32be \
  299     | nios | nios2 | nios2eb | nios2el \
  300     | ns16k | ns32k \
  301     | open8 | or1k | or1knd | or32 \
  302     | pdp10 | pdp11 | pj | pjl \
  303     | powerpc | powerpc64 | powerpc64le | powerpcle \
  304     | pru \
  305     | pyramid \
  306     | riscv32 | riscv64 \
  307     | rl78 | rx \
  308     | score \
  309     | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[234]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
  310     | sh64 | sh64le \
  311     | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
  312     | sparcv8 | sparcv9 | sparcv9b | sparcv9v \
  313     | spu \
  314     | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
  315     | ubicom32 \
  316     | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
  317     | visium \
  318     | wasm32 \
  319     | we32k \
  320     | x86 | xc16x | xstormy16 | xtensa \
  321     | z8k | z80)
  322         basic_machine=$basic_machine-unknown
  323         ;;
  324     c54x)
  325         basic_machine=tic54x-unknown
  326         ;;
  327     c55x)
  328         basic_machine=tic55x-unknown
  329         ;;
  330     c6x)
  331         basic_machine=tic6x-unknown
  332         ;;
  333     leon|leon[3-9])
  334         basic_machine=sparc-$basic_machine
  335         ;;
  336     m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip)
  337         basic_machine=$basic_machine-unknown
  338         os=-none
  339         ;;
  340     m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
  341         ;;
  342     ms1)
  343         basic_machine=mt-unknown
  344         ;;
  345 
  346     strongarm | thumb | xscale)
  347         basic_machine=arm-unknown
  348         ;;
  349     xgate)
  350         basic_machine=$basic_machine-unknown
  351         os=-none
  352         ;;
  353     xscaleeb)
  354         basic_machine=armeb-unknown
  355         ;;
  356 
  357     xscaleel)
  358         basic_machine=armel-unknown
  359         ;;
  360 
  361     # We use `pc' rather than `unknown'
  362     # because (1) that's what they normally are, and
  363     # (2) the word "unknown" tends to confuse beginning users.
  364     i*86 | x86_64)
  365       basic_machine=$basic_machine-pc
  366       ;;
  367     # Object if more than one company name word.
  368     *-*-*)
  369         echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
  370         exit 1
  371         ;;
  372     # Recognize the basic CPU types with company name.
  373     580-* \
  374     | a29k-* \
  375     | aarch64-* | aarch64_be-* \
  376     | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
  377     | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
  378     | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \
  379     | arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
  380     | avr-* | avr32-* \
  381     | ba-* \
  382     | be32-* | be64-* \
  383     | bfin-* | bs2000-* \
  384     | c[123]* | c30-* | [cjt]90-* | c4x-* \
  385     | c8051-* | clipper-* | craynv-* | cydra-* \
  386     | d10v-* | d30v-* | dlx-* \
  387     | e2k-* | elxsi-* \
  388     | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
  389     | h8300-* | h8500-* \
  390     | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
  391     | hexagon-* \
  392     | i*86-* | i860-* | i960-* | ia16-* | ia64-* \
  393     | ip2k-* | iq2000-* \
  394     | k1om-* \
  395     | le32-* | le64-* \
  396     | lm32-* \
  397     | m32c-* | m32r-* | m32rle-* \
  398     | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
  399     | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \
  400     | microblaze-* | microblazeel-* \
  401     | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
  402     | mips16-* \
  403     | mips64-* | mips64el-* \
  404     | mips64octeon-* | mips64octeonel-* \
  405     | mips64orion-* | mips64orionel-* \
  406     | mips64r5900-* | mips64r5900el-* \
  407     | mips64vr-* | mips64vrel-* \
  408     | mips64vr4100-* | mips64vr4100el-* \
  409     | mips64vr4300-* | mips64vr4300el-* \
  410     | mips64vr5000-* | mips64vr5000el-* \
  411     | mips64vr5900-* | mips64vr5900el-* \
  412     | mipsisa32-* | mipsisa32el-* \
  413     | mipsisa32r2-* | mipsisa32r2el-* \
  414     | mipsisa32r6-* | mipsisa32r6el-* \
  415     | mipsisa64-* | mipsisa64el-* \
  416     | mipsisa64r2-* | mipsisa64r2el-* \
  417     | mipsisa64r6-* | mipsisa64r6el-* \
  418     | mipsisa64sb1-* | mipsisa64sb1el-* \
  419     | mipsisa64sr71k-* | mipsisa64sr71kel-* \
  420     | mipsr5900-* | mipsr5900el-* \
  421     | mipstx39-* | mipstx39el-* \
  422     | mmix-* \
  423     | mt-* \
  424     | msp430-* \
  425     | nds32-* | nds32le-* | nds32be-* \
  426     | nios-* | nios2-* | nios2eb-* | nios2el-* \
  427     | none-* | np1-* | ns16k-* | ns32k-* \
  428     | open8-* \
  429     | or1k*-* \
  430     | orion-* \
  431     | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
  432     | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
  433     | pru-* \
  434     | pyramid-* \
  435     | riscv32-* | riscv64-* \
  436     | rl78-* | romp-* | rs6000-* | rx-* \
  437     | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
  438     | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
  439     | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
  440     | sparclite-* \
  441     | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx*-* \
  442     | tahoe-* \
  443     | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
  444     | tile*-* \
  445     | tron-* \
  446     | ubicom32-* \
  447     | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
  448     | vax-* \
  449     | visium-* \
  450     | wasm32-* \
  451     | we32k-* \
  452     | x86-* | x86_64-* | xc16x-* | xps100-* \
  453     | xstormy16-* | xtensa*-* \
  454     | ymp-* \
  455     | z8k-* | z80-*)
  456         ;;
  457     # Recognize the basic CPU types without company name, with glob match.
  458     xtensa*)
  459         basic_machine=$basic_machine-unknown
  460         ;;
  461     # Recognize the various machine names and aliases which stand
  462     # for a CPU type and a company and sometimes even an OS.
  463     386bsd)
  464         basic_machine=i386-unknown
  465         os=-bsd
  466         ;;
  467     3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
  468         basic_machine=m68000-att
  469         ;;
  470     3b*)
  471         basic_machine=we32k-att
  472         ;;
  473     a29khif)
  474         basic_machine=a29k-amd
  475         os=-udi
  476         ;;
  477     abacus)
  478         basic_machine=abacus-unknown
  479         ;;
  480     adobe68k)
  481         basic_machine=m68010-adobe
  482         os=-scout
  483         ;;
  484     alliant | fx80)
  485         basic_machine=fx80-alliant
  486         ;;
  487     altos | altos3068)
  488         basic_machine=m68k-altos
  489         ;;
  490     am29k)
  491         basic_machine=a29k-none
  492         os=-bsd
  493         ;;
  494     amd64)
  495         basic_machine=x86_64-pc
  496         ;;
  497     amd64-*)
  498         basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
  499         ;;
  500     amdahl)
  501         basic_machine=580-amdahl
  502         os=-sysv
  503         ;;
  504     amiga | amiga-*)
  505         basic_machine=m68k-unknown
  506         ;;
  507     amigaos | amigados)
  508         basic_machine=m68k-unknown
  509         os=-amigaos
  510         ;;
  511     amigaunix | amix)
  512         basic_machine=m68k-unknown
  513         os=-sysv4
  514         ;;
  515     apollo68)
  516         basic_machine=m68k-apollo
  517         os=-sysv
  518         ;;
  519     apollo68bsd)
  520         basic_machine=m68k-apollo
  521         os=-bsd
  522         ;;
  523     aros)
  524         basic_machine=i386-pc
  525         os=-aros
  526         ;;
  527     asmjs)
  528         basic_machine=asmjs-unknown
  529         ;;
  530     aux)
  531         basic_machine=m68k-apple
  532         os=-aux
  533         ;;
  534     balance)
  535         basic_machine=ns32k-sequent
  536         os=-dynix
  537         ;;
  538     blackfin)
  539         basic_machine=bfin-unknown
  540         os=-linux
  541         ;;
  542     blackfin-*)
  543         basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
  544         os=-linux
  545         ;;
  546     bluegene*)
  547         basic_machine=powerpc-ibm
  548         os=-cnk
  549         ;;
  550     c54x-*)
  551         basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'`
  552         ;;
  553     c55x-*)
  554         basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'`
  555         ;;
  556     c6x-*)
  557         basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'`
  558         ;;
  559     c90)
  560         basic_machine=c90-cray
  561         os=-unicos
  562         ;;
  563     cegcc)
  564         basic_machine=arm-unknown
  565         os=-cegcc
  566         ;;
  567     convex-c1)
  568         basic_machine=c1-convex
  569         os=-bsd
  570         ;;
  571     convex-c2)
  572         basic_machine=c2-convex
  573         os=-bsd
  574         ;;
  575     convex-c32)
  576         basic_machine=c32-convex
  577         os=-bsd
  578         ;;
  579     convex-c34)
  580         basic_machine=c34-convex
  581         os=-bsd
  582         ;;
  583     convex-c38)
  584         basic_machine=c38-convex
  585         os=-bsd
  586         ;;
  587     cray | j90)
  588         basic_machine=j90-cray
  589         os=-unicos
  590         ;;
  591     craynv)
  592         basic_machine=craynv-cray
  593         os=-unicosmp
  594         ;;
  595     cr16 | cr16-*)
  596         basic_machine=cr16-unknown
  597         os=-elf
  598         ;;
  599     crds | unos)
  600         basic_machine=m68k-crds
  601         ;;
  602     crisv32 | crisv32-* | etraxfs*)
  603         basic_machine=crisv32-axis
  604         ;;
  605     cris | cris-* | etrax*)
  606         basic_machine=cris-axis
  607         ;;
  608     crx)
  609         basic_machine=crx-unknown
  610         os=-elf
  611         ;;
  612     da30 | da30-*)
  613         basic_machine=m68k-da30
  614         ;;
  615     decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
  616         basic_machine=mips-dec
  617         ;;
  618     decsystem10* | dec10*)
  619         basic_machine=pdp10-dec
  620         os=-tops10
  621         ;;
  622     decsystem20* | dec20*)
  623         basic_machine=pdp10-dec
  624         os=-tops20
  625         ;;
  626     delta | 3300 | motorola-3300 | motorola-delta \
  627           | 3300-motorola | delta-motorola)
  628         basic_machine=m68k-motorola
  629         ;;
  630     delta88)
  631         basic_machine=m88k-motorola
  632         os=-sysv3
  633         ;;
  634     dicos)
  635         basic_machine=i686-pc
  636         os=-dicos
  637         ;;
  638     djgpp)
  639         basic_machine=i586-pc
  640         os=-msdosdjgpp
  641         ;;
  642     dpx20 | dpx20-*)
  643         basic_machine=rs6000-bull
  644         os=-bosx
  645         ;;
  646     dpx2* | dpx2*-bull)
  647         basic_machine=m68k-bull
  648         os=-sysv3
  649         ;;
  650     e500v[12])
  651         basic_machine=powerpc-unknown
  652         os=$os"spe"
  653         ;;
  654     e500v[12]-*)
  655         basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
  656         os=$os"spe"
  657         ;;
  658     ebmon29k)
  659         basic_machine=a29k-amd
  660         os=-ebmon
  661         ;;
  662     elxsi)
  663         basic_machine=elxsi-elxsi
  664         os=-bsd
  665         ;;
  666     encore | umax | mmax)
  667         basic_machine=ns32k-encore
  668         ;;
  669     es1800 | OSE68k | ose68k | ose | OSE)
  670         basic_machine=m68k-ericsson
  671         os=-ose
  672         ;;
  673     fx2800)
  674         basic_machine=i860-alliant
  675         ;;
  676     genix)
  677         basic_machine=ns32k-ns
  678         ;;
  679     gmicro)
  680         basic_machine=tron-gmicro
  681         os=-sysv
  682         ;;
  683     go32)
  684         basic_machine=i386-pc
  685         os=-go32
  686         ;;
  687     h3050r* | hiux*)
  688         basic_machine=hppa1.1-hitachi
  689         os=-hiuxwe2
  690         ;;
  691     h8300hms)
  692         basic_machine=h8300-hitachi
  693         os=-hms
  694         ;;
  695     h8300xray)
  696         basic_machine=h8300-hitachi
  697         os=-xray
  698         ;;
  699     h8500hms)
  700         basic_machine=h8500-hitachi
  701         os=-hms
  702         ;;
  703     harris)
  704         basic_machine=m88k-harris
  705         os=-sysv3
  706         ;;
  707     hp300-*)
  708         basic_machine=m68k-hp
  709         ;;
  710     hp300bsd)
  711         basic_machine=m68k-hp
  712         os=-bsd
  713         ;;
  714     hp300hpux)
  715         basic_machine=m68k-hp
  716         os=-hpux
  717         ;;
  718     hp3k9[0-9][0-9] | hp9[0-9][0-9])
  719         basic_machine=hppa1.0-hp
  720         ;;
  721     hp9k2[0-9][0-9] | hp9k31[0-9])
  722         basic_machine=m68000-hp
  723         ;;
  724     hp9k3[2-9][0-9])
  725         basic_machine=m68k-hp
  726         ;;
  727     hp9k6[0-9][0-9] | hp6[0-9][0-9])
  728         basic_machine=hppa1.0-hp
  729         ;;
  730     hp9k7[0-79][0-9] | hp7[0-79][0-9])
  731         basic_machine=hppa1.1-hp
  732         ;;
  733     hp9k78[0-9] | hp78[0-9])
  734         # FIXME: really hppa2.0-hp
  735         basic_machine=hppa1.1-hp
  736         ;;
  737     hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
  738         # FIXME: really hppa2.0-hp
  739         basic_machine=hppa1.1-hp
  740         ;;
  741     hp9k8[0-9][13679] | hp8[0-9][13679])
  742         basic_machine=hppa1.1-hp
  743         ;;
  744     hp9k8[0-9][0-9] | hp8[0-9][0-9])
  745         basic_machine=hppa1.0-hp
  746         ;;
  747     hppa-next)
  748         os=-nextstep3
  749         ;;
  750     hppaosf)
  751         basic_machine=hppa1.1-hp
  752         os=-osf
  753         ;;
  754     hppro)
  755         basic_machine=hppa1.1-hp
  756         os=-proelf
  757         ;;
  758     i370-ibm* | ibm*)
  759         basic_machine=i370-ibm
  760         ;;
  761     i*86v32)
  762         basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  763         os=-sysv32
  764         ;;
  765     i*86v4*)
  766         basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  767         os=-sysv4
  768         ;;
  769     i*86v)
  770         basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  771         os=-sysv
  772         ;;
  773     i*86sol2)
  774         basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  775         os=-solaris2
  776         ;;
  777     i386mach)
  778         basic_machine=i386-mach
  779         os=-mach
  780         ;;
  781     i386-vsta | vsta)
  782         basic_machine=i386-unknown
  783         os=-vsta
  784         ;;
  785     iris | iris4d)
  786         basic_machine=mips-sgi
  787         case $os in
  788             -irix*)
  789             ;;
  790             *)
  791             os=-irix4
  792             ;;
  793         esac
  794         ;;
  795     isi68 | isi)
  796         basic_machine=m68k-isi
  797         os=-sysv
  798         ;;
  799     leon-*|leon[3-9]-*)
  800         basic_machine=sparc-`echo $basic_machine | sed 's/-.*//'`
  801         ;;
  802     m68knommu)
  803         basic_machine=m68k-unknown
  804         os=-linux
  805         ;;
  806     m68knommu-*)
  807         basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
  808         os=-linux
  809         ;;
  810     m88k-omron*)
  811         basic_machine=m88k-omron
  812         ;;
  813     magnum | m3230)
  814         basic_machine=mips-mips
  815         os=-sysv
  816         ;;
  817     merlin)
  818         basic_machine=ns32k-utek
  819         os=-sysv
  820         ;;
  821     microblaze*)
  822         basic_machine=microblaze-xilinx
  823         ;;
  824     mingw64)
  825         basic_machine=x86_64-pc
  826         os=-mingw64
  827         ;;
  828     mingw32)
  829         basic_machine=i686-pc
  830         os=-mingw32
  831         ;;
  832     mingw32ce)
  833         basic_machine=arm-unknown
  834         os=-mingw32ce
  835         ;;
  836     miniframe)
  837         basic_machine=m68000-convergent
  838         ;;
  839     *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
  840         basic_machine=m68k-atari
  841         os=-mint
  842         ;;
  843     mips3*-*)
  844         basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
  845         ;;
  846     mips3*)
  847         basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
  848         ;;
  849     monitor)
  850         basic_machine=m68k-rom68k
  851         os=-coff
  852         ;;
  853     morphos)
  854         basic_machine=powerpc-unknown
  855         os=-morphos
  856         ;;
  857     moxiebox)
  858         basic_machine=moxie-unknown
  859         os=-moxiebox
  860         ;;
  861     msdos)
  862         basic_machine=i386-pc
  863         os=-msdos
  864         ;;
  865     ms1-*)
  866         basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
  867         ;;
  868     msys)
  869         basic_machine=i686-pc
  870         os=-msys
  871         ;;
  872     mvs)
  873         basic_machine=i370-ibm
  874         os=-mvs
  875         ;;
  876     nacl)
  877         basic_machine=le32-unknown
  878         os=-nacl
  879         ;;
  880     ncr3000)
  881         basic_machine=i486-ncr
  882         os=-sysv4
  883         ;;
  884     netbsd386)
  885         basic_machine=i386-unknown
  886         os=-netbsd
  887         ;;
  888     netwinder)
  889         basic_machine=armv4l-rebel
  890         os=-linux
  891         ;;
  892     news | news700 | news800 | news900)
  893         basic_machine=m68k-sony
  894         os=-newsos
  895         ;;
  896     news1000)
  897         basic_machine=m68030-sony
  898         os=-newsos
  899         ;;
  900     news-3600 | risc-news)
  901         basic_machine=mips-sony
  902         os=-newsos
  903         ;;
  904     necv70)
  905         basic_machine=v70-nec
  906         os=-sysv
  907         ;;
  908     next | m*-next )
  909         basic_machine=m68k-next
  910         case $os in
  911             -nextstep* )
  912             ;;
  913             -ns2*)
  914               os=-nextstep2
  915             ;;
  916             *)
  917               os=-nextstep3
  918             ;;
  919         esac
  920         ;;
  921     nh3000)
  922         basic_machine=m68k-harris
  923         os=-cxux
  924         ;;
  925     nh[45]000)
  926         basic_machine=m88k-harris
  927         os=-cxux
  928         ;;
  929     nindy960)
  930         basic_machine=i960-intel
  931         os=-nindy
  932         ;;
  933     mon960)
  934         basic_machine=i960-intel
  935         os=-mon960
  936         ;;
  937     nonstopux)
  938         basic_machine=mips-compaq
  939         os=-nonstopux
  940         ;;
  941     np1)
  942         basic_machine=np1-gould
  943         ;;
  944     neo-tandem)
  945         basic_machine=neo-tandem
  946         ;;
  947     nse-tandem)
  948         basic_machine=nse-tandem
  949         ;;
  950     nsr-tandem)
  951         basic_machine=nsr-tandem
  952         ;;
  953     nsx-tandem)
  954         basic_machine=nsx-tandem
  955         ;;
  956     op50n-* | op60c-*)
  957         basic_machine=hppa1.1-oki
  958         os=-proelf
  959         ;;
  960     openrisc | openrisc-*)
  961         basic_machine=or32-unknown
  962         ;;
  963     os400)
  964         basic_machine=powerpc-ibm
  965         os=-os400
  966         ;;
  967     OSE68000 | ose68000)
  968         basic_machine=m68000-ericsson
  969         os=-ose
  970         ;;
  971     os68k)
  972         basic_machine=m68k-none
  973         os=-os68k
  974         ;;
  975     pa-hitachi)
  976         basic_machine=hppa1.1-hitachi
  977         os=-hiuxwe2
  978         ;;
  979     paragon)
  980         basic_machine=i860-intel
  981         os=-osf
  982         ;;
  983     parisc)
  984         basic_machine=hppa-unknown
  985         os=-linux
  986         ;;
  987     parisc-*)
  988         basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
  989         os=-linux
  990         ;;
  991     pbd)
  992         basic_machine=sparc-tti
  993         ;;
  994     pbb)
  995         basic_machine=m68k-tti
  996         ;;
  997     pc532 | pc532-*)
  998         basic_machine=ns32k-pc532
  999         ;;
 1000     pc98)
 1001         basic_machine=i386-pc
 1002         ;;
 1003     pc98-*)
 1004         basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
 1005         ;;
 1006     pentium | p5 | k5 | k6 | nexgen | viac3)
 1007         basic_machine=i586-pc
 1008         ;;
 1009     pentiumpro | p6 | 6x86 | athlon | athlon_*)
 1010         basic_machine=i686-pc
 1011         ;;
 1012     pentiumii | pentium2 | pentiumiii | pentium3)
 1013         basic_machine=i686-pc
 1014         ;;
 1015     pentium4)
 1016         basic_machine=i786-pc
 1017         ;;
 1018     pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
 1019         basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 1020         ;;
 1021     pentiumpro-* | p6-* | 6x86-* | athlon-*)
 1022         basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 1023         ;;
 1024     pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
 1025         basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 1026         ;;
 1027     pentium4-*)
 1028         basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
 1029         ;;
 1030     pn)
 1031         basic_machine=pn-gould
 1032         ;;
 1033     power)  basic_machine=power-ibm
 1034         ;;
 1035     ppc | ppcbe)    basic_machine=powerpc-unknown
 1036         ;;
 1037     ppc-* | ppcbe-*)
 1038         basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 1039         ;;
 1040     ppcle | powerpclittle)
 1041         basic_machine=powerpcle-unknown
 1042         ;;
 1043     ppcle-* | powerpclittle-*)
 1044         basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 1045         ;;
 1046     ppc64)  basic_machine=powerpc64-unknown
 1047         ;;
 1048     ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
 1049         ;;
 1050     ppc64le | powerpc64little)
 1051         basic_machine=powerpc64le-unknown
 1052         ;;
 1053     ppc64le-* | powerpc64little-*)
 1054         basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
 1055         ;;
 1056     ps2)
 1057         basic_machine=i386-ibm
 1058         ;;
 1059     pw32)
 1060         basic_machine=i586-unknown
 1061         os=-pw32
 1062         ;;
 1063     rdos | rdos64)
 1064         basic_machine=x86_64-pc
 1065         os=-rdos
 1066         ;;
 1067     rdos32)
 1068         basic_machine=i386-pc
 1069         os=-rdos
 1070         ;;
 1071     rom68k)
 1072         basic_machine=m68k-rom68k
 1073         os=-coff
 1074         ;;
 1075     rm[46]00)
 1076         basic_machine=mips-siemens
 1077         ;;
 1078     rtpc | rtpc-*)
 1079         basic_machine=romp-ibm
 1080         ;;
 1081     s390 | s390-*)
 1082         basic_machine=s390-ibm
 1083         ;;
 1084     s390x | s390x-*)
 1085         basic_machine=s390x-ibm
 1086         ;;
 1087     sa29200)
 1088         basic_machine=a29k-amd
 1089         os=-udi
 1090         ;;
 1091     sb1)
 1092         basic_machine=mipsisa64sb1-unknown
 1093         ;;
 1094     sb1el)
 1095         basic_machine=mipsisa64sb1el-unknown
 1096         ;;
 1097     sde)
 1098         basic_machine=mipsisa32-sde
 1099         os=-elf
 1100         ;;
 1101     sei)
 1102         basic_machine=mips-sei
 1103         os=-seiux
 1104         ;;
 1105     sequent)
 1106         basic_machine=i386-sequent
 1107         ;;
 1108     sh)
 1109         basic_machine=sh-hitachi
 1110         os=-hms
 1111         ;;
 1112     sh5el)
 1113         basic_machine=sh5le-unknown
 1114         ;;
 1115     sh64)
 1116         basic_machine=sh64-unknown
 1117         ;;
 1118     sparclite-wrs | simso-wrs)
 1119         basic_machine=sparclite-wrs
 1120         os=-vxworks
 1121         ;;
 1122     sps7)
 1123         basic_machine=m68k-bull
 1124         os=-sysv2
 1125         ;;
 1126     spur)
 1127         basic_machine=spur-unknown
 1128         ;;
 1129     st2000)
 1130         basic_machine=m68k-tandem
 1131         ;;
 1132     stratus)
 1133         basic_machine=i860-stratus
 1134         os=-sysv4
 1135         ;;
 1136     strongarm-* | thumb-*)
 1137         basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'`
 1138         ;;
 1139     sun2)
 1140         basic_machine=m68000-sun
 1141         ;;
 1142     sun2os3)
 1143         basic_machine=m68000-sun
 1144         os=-sunos3
 1145         ;;
 1146     sun2os4)
 1147         basic_machine=m68000-sun
 1148         os=-sunos4
 1149         ;;
 1150     sun3os3)
 1151         basic_machine=m68k-sun
 1152         os=-sunos3
 1153         ;;
 1154     sun3os4)
 1155         basic_machine=m68k-sun
 1156         os=-sunos4
 1157         ;;
 1158     sun4os3)
 1159         basic_machine=sparc-sun
 1160         os=-sunos3
 1161         ;;
 1162     sun4os4)
 1163         basic_machine=sparc-sun
 1164         os=-sunos4
 1165         ;;
 1166     sun4sol2)
 1167         basic_machine=sparc-sun
 1168         os=-solaris2
 1169         ;;
 1170     sun3 | sun3-*)
 1171         basic_machine=m68k-sun
 1172         ;;
 1173     sun4)
 1174         basic_machine=sparc-sun
 1175         ;;
 1176     sun386 | sun386i | roadrunner)
 1177         basic_machine=i386-sun
 1178         ;;
 1179     sv1)
 1180         basic_machine=sv1-cray
 1181         os=-unicos
 1182         ;;
 1183     symmetry)
 1184         basic_machine=i386-sequent
 1185         os=-dynix
 1186         ;;
 1187     t3e)
 1188         basic_machine=alphaev5-cray
 1189         os=-unicos
 1190         ;;
 1191     t90)
 1192         basic_machine=t90-cray
 1193         os=-unicos
 1194         ;;
 1195     tile*)
 1196         basic_machine=$basic_machine-unknown
 1197         os=-linux-gnu
 1198         ;;
 1199     tx39)
 1200         basic_machine=mipstx39-unknown
 1201         ;;
 1202     tx39el)
 1203         basic_machine=mipstx39el-unknown
 1204         ;;
 1205     toad1)
 1206         basic_machine=pdp10-xkl
 1207         os=-tops20
 1208         ;;
 1209     tower | tower-32)
 1210         basic_machine=m68k-ncr
 1211         ;;
 1212     tpf)
 1213         basic_machine=s390x-ibm
 1214         os=-tpf
 1215         ;;
 1216     udi29k)
 1217         basic_machine=a29k-amd
 1218         os=-udi
 1219         ;;
 1220     ultra3)
 1221         basic_machine=a29k-nyu
 1222         os=-sym1
 1223         ;;
 1224     v810 | necv810)
 1225         basic_machine=v810-nec
 1226         os=-none
 1227         ;;
 1228     vaxv)
 1229         basic_machine=vax-dec
 1230         os=-sysv
 1231         ;;
 1232     vms)
 1233         basic_machine=vax-dec
 1234         os=-vms
 1235         ;;
 1236     vpp*|vx|vx-*)
 1237         basic_machine=f301-fujitsu
 1238         ;;
 1239     vxworks960)
 1240         basic_machine=i960-wrs
 1241         os=-vxworks
 1242         ;;
 1243     vxworks68)
 1244         basic_machine=m68k-wrs
 1245         os=-vxworks
 1246         ;;
 1247     vxworks29k)
 1248         basic_machine=a29k-wrs
 1249         os=-vxworks
 1250         ;;
 1251     wasm32)
 1252         basic_machine=wasm32-unknown
 1253         ;;
 1254     w65*)
 1255         basic_machine=w65-wdc
 1256         os=-none
 1257         ;;
 1258     w89k-*)
 1259         basic_machine=hppa1.1-winbond
 1260         os=-proelf
 1261         ;;
 1262     xbox)
 1263         basic_machine=i686-pc
 1264         os=-mingw32
 1265         ;;
 1266     xps | xps100)
 1267         basic_machine=xps100-honeywell
 1268         ;;
 1269     xscale-* | xscalee[bl]-*)
 1270         basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'`
 1271         ;;
 1272     ymp)
 1273         basic_machine=ymp-cray
 1274         os=-unicos
 1275         ;;
 1276     z8k-*-coff)
 1277         basic_machine=z8k-unknown
 1278         os=-sim
 1279         ;;
 1280     z80-*-coff)
 1281         basic_machine=z80-unknown
 1282         os=-sim
 1283         ;;
 1284     none)
 1285         basic_machine=none-none
 1286         os=-none
 1287         ;;
 1288 
 1289 # Here we handle the default manufacturer of certain CPU types.  It is in
 1290 # some cases the only manufacturer, in others, it is the most popular.
 1291     w89k)
 1292         basic_machine=hppa1.1-winbond
 1293         ;;
 1294     op50n)
 1295         basic_machine=hppa1.1-oki
 1296         ;;
 1297     op60c)
 1298         basic_machine=hppa1.1-oki
 1299         ;;
 1300     romp)
 1301         basic_machine=romp-ibm
 1302         ;;
 1303     mmix)
 1304         basic_machine=mmix-knuth
 1305         ;;
 1306     rs6000)
 1307         basic_machine=rs6000-ibm
 1308         ;;
 1309     vax)
 1310         basic_machine=vax-dec
 1311         ;;
 1312     pdp10)
 1313         # there are many clones, so DEC is not a safe bet
 1314         basic_machine=pdp10-unknown
 1315         ;;
 1316     pdp11)
 1317         basic_machine=pdp11-dec
 1318         ;;
 1319     we32k)
 1320         basic_machine=we32k-att
 1321         ;;
 1322     sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
 1323         basic_machine=sh-unknown
 1324         ;;
 1325     sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
 1326         basic_machine=sparc-sun
 1327         ;;
 1328     cydra)
 1329         basic_machine=cydra-cydrome
 1330         ;;
 1331     orion)
 1332         basic_machine=orion-highlevel
 1333         ;;
 1334     orion105)
 1335         basic_machine=clipper-highlevel
 1336         ;;
 1337     mac | mpw | mac-mpw)
 1338         basic_machine=m68k-apple
 1339         ;;
 1340     pmac | pmac-mpw)
 1341         basic_machine=powerpc-apple
 1342         ;;
 1343     *-unknown)
 1344         # Make sure to match an already-canonicalized machine name.
 1345         ;;
 1346     *)
 1347         echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 1348         exit 1
 1349         ;;
 1350 esac
 1351 
 1352 # Here we canonicalize certain aliases for manufacturers.
 1353 case $basic_machine in
 1354     *-digital*)
 1355         basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 1356         ;;
 1357     *-commodore*)
 1358         basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 1359         ;;
 1360     *)
 1361         ;;
 1362 esac
 1363 
 1364 # Decode manufacturer-specific aliases for certain operating systems.
 1365 
 1366 if [ x"$os" != x"" ]
 1367 then
 1368 case $os in
 1369     # First match some system type aliases
 1370     # that might get confused with valid system types.
 1371     # -solaris* is a basic system type, with this one exception.
 1372     -auroraux)
 1373         os=-auroraux
 1374         ;;
 1375     -solaris1 | -solaris1.*)
 1376         os=`echo $os | sed -e 's|solaris1|sunos4|'`
 1377         ;;
 1378     -solaris)
 1379         os=-solaris2
 1380         ;;
 1381     -svr4*)
 1382         os=-sysv4
 1383         ;;
 1384     -unixware*)
 1385         os=-sysv4.2uw
 1386         ;;
 1387     -gnu/linux*)
 1388         os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
 1389         ;;
 1390     # First accept the basic system types.
 1391     # The portable systems comes first.
 1392     # Each alternative MUST END IN A *, to match a version number.
 1393     # -sysv* is not here because it comes later, after sysvr4.
 1394     -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 1395           | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
 1396           | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
 1397           | -sym* | -kopensolaris* | -plan9* \
 1398           | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
 1399           | -aos* | -aros* | -cloudabi* | -sortix* \
 1400           | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 1401           | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 1402           | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
 1403           | -bitrig* | -openbsd* | -solidbsd* | -libertybsd* \
 1404           | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
 1405           | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
 1406           | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 1407           | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 1408           | -chorusos* | -chorusrdb* | -cegcc* | -glidix* \
 1409           | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
 1410           | -midipix* | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
 1411           | -linux-newlib* | -linux-musl* | -linux-uclibc* \
 1412           | -uxpv* | -beos* | -mpeix* | -udk* | -moxiebox* \
 1413           | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
 1414           | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
 1415           | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
 1416           | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
 1417           | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
 1418           | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
 1419           | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \
 1420           | -onefs* | -tirtos* | -phoenix* | -fuchsia* | -redox*)
 1421     # Remember, each alternative MUST END IN *, to match a version number.
 1422         ;;
 1423     -qnx*)
 1424         case $basic_machine in
 1425             x86-* | i*86-*)
 1426             ;;
 1427             *)
 1428             os=-nto$os
 1429             ;;
 1430         esac
 1431         ;;
 1432     -nto-qnx*)
 1433         ;;
 1434     -nto*)
 1435         os=`echo $os | sed -e 's|nto|nto-qnx|'`
 1436         ;;
 1437     -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
 1438           | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
 1439           | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
 1440         ;;
 1441     -mac*)
 1442         os=`echo $os | sed -e 's|mac|macos|'`
 1443         ;;
 1444     -linux-dietlibc)
 1445         os=-linux-dietlibc
 1446         ;;
 1447     -linux*)
 1448         os=`echo $os | sed -e 's|linux|linux-gnu|'`
 1449         ;;
 1450     -sunos5*)
 1451         os=`echo $os | sed -e 's|sunos5|solaris2|'`
 1452         ;;
 1453     -sunos6*)
 1454         os=`echo $os | sed -e 's|sunos6|solaris3|'`
 1455         ;;
 1456     -opened*)
 1457         os=-openedition
 1458         ;;
 1459     -os400*)
 1460         os=-os400
 1461         ;;
 1462     -wince*)
 1463         os=-wince
 1464         ;;
 1465     -osfrose*)
 1466         os=-osfrose
 1467         ;;
 1468     -osf*)
 1469         os=-osf
 1470         ;;
 1471     -utek*)
 1472         os=-bsd
 1473         ;;
 1474     -dynix*)
 1475         os=-bsd
 1476         ;;
 1477     -acis*)
 1478         os=-aos
 1479         ;;
 1480     -atheos*)
 1481         os=-atheos
 1482         ;;
 1483     -syllable*)
 1484         os=-syllable
 1485         ;;
 1486     -386bsd)
 1487         os=-bsd
 1488         ;;
 1489     -ctix* | -uts*)
 1490         os=-sysv
 1491         ;;
 1492     -nova*)
 1493         os=-rtmk-nova
 1494         ;;
 1495     -ns2 )
 1496         os=-nextstep2
 1497         ;;
 1498     -nsk*)
 1499         os=-nsk
 1500         ;;
 1501     # Preserve the version number of sinix5.
 1502     -sinix5.*)
 1503         os=`echo $os | sed -e 's|sinix|sysv|'`
 1504         ;;
 1505     -sinix*)
 1506         os=-sysv4
 1507         ;;
 1508     -tpf*)
 1509         os=-tpf
 1510         ;;
 1511     -triton*)
 1512         os=-sysv3
 1513         ;;
 1514     -oss*)
 1515         os=-sysv3
 1516         ;;
 1517     -svr4)
 1518         os=-sysv4
 1519         ;;
 1520     -svr3)
 1521         os=-sysv3
 1522         ;;
 1523     -sysvr4)
 1524         os=-sysv4
 1525         ;;
 1526     # This must come after -sysvr4.
 1527     -sysv*)
 1528         ;;
 1529     -ose*)
 1530         os=-ose
 1531         ;;
 1532     -es1800*)
 1533         os=-ose
 1534         ;;
 1535     -xenix)
 1536         os=-xenix
 1537         ;;
 1538     -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
 1539         os=-mint
 1540         ;;
 1541     -aros*)
 1542         os=-aros
 1543         ;;
 1544     -zvmoe)
 1545         os=-zvmoe
 1546         ;;
 1547     -dicos*)
 1548         os=-dicos
 1549         ;;
 1550     -nacl*)
 1551         ;;
 1552     -ios)
 1553         ;;
 1554     -none)
 1555         ;;
 1556     *)
 1557         # Get rid of the `-' at the beginning of $os.
 1558         os=`echo $os | sed 's/[^-]*-//'`
 1559         echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 1560         exit 1
 1561         ;;
 1562 esac
 1563 else
 1564 
 1565 # Here we handle the default operating systems that come with various machines.
 1566 # The value should be what the vendor currently ships out the door with their
 1567 # machine or put another way, the most popular os provided with the machine.
 1568 
 1569 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 1570 # "-sun"), then you have to tell the case statement up towards the top
 1571 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 1572 # will signal an error saying that MANUFACTURER isn't an operating
 1573 # system, and we'll never get to this point.
 1574 
 1575 case $basic_machine in
 1576     score-*)
 1577         os=-elf
 1578         ;;
 1579     spu-*)
 1580         os=-elf
 1581         ;;
 1582     *-acorn)
 1583         os=-riscix1.2
 1584         ;;
 1585     arm*-rebel)
 1586         os=-linux
 1587         ;;
 1588     arm*-semi)
 1589         os=-aout
 1590         ;;
 1591     c4x-* | tic4x-*)
 1592         os=-coff
 1593         ;;
 1594     c8051-*)
 1595         os=-elf
 1596         ;;
 1597     hexagon-*)
 1598         os=-elf
 1599         ;;
 1600     tic54x-*)
 1601         os=-coff
 1602         ;;
 1603     tic55x-*)
 1604         os=-coff
 1605         ;;
 1606     tic6x-*)
 1607         os=-coff
 1608         ;;
 1609     # This must come before the *-dec entry.
 1610     pdp10-*)
 1611         os=-tops20
 1612         ;;
 1613     pdp11-*)
 1614         os=-none
 1615         ;;
 1616     *-dec | vax-*)
 1617         os=-ultrix4.2
 1618         ;;
 1619     m68*-apollo)
 1620         os=-domain
 1621         ;;
 1622     i386-sun)
 1623         os=-sunos4.0.2
 1624         ;;
 1625     m68000-sun)
 1626         os=-sunos3
 1627         ;;
 1628     m68*-cisco)
 1629         os=-aout
 1630         ;;
 1631     mep-*)
 1632         os=-elf
 1633         ;;
 1634     mips*-cisco)
 1635         os=-elf
 1636         ;;
 1637     mips*-*)
 1638         os=-elf
 1639         ;;
 1640     or32-*)
 1641         os=-coff
 1642         ;;
 1643     *-tti)  # must be before sparc entry or we get the wrong os.
 1644         os=-sysv3
 1645         ;;
 1646     sparc-* | *-sun)
 1647         os=-sunos4.1.1
 1648         ;;
 1649     pru-*)
 1650         os=-elf
 1651         ;;
 1652     *-be)
 1653         os=-beos
 1654         ;;
 1655     *-haiku)
 1656         os=-haiku
 1657         ;;
 1658     *-ibm)
 1659         os=-aix
 1660         ;;
 1661     *-knuth)
 1662         os=-mmixware
 1663         ;;
 1664     *-wec)
 1665         os=-proelf
 1666         ;;
 1667     *-winbond)
 1668         os=-proelf
 1669         ;;
 1670     *-oki)
 1671         os=-proelf
 1672         ;;
 1673     *-hp)
 1674         os=-hpux
 1675         ;;
 1676     *-hitachi)
 1677         os=-hiux
 1678         ;;
 1679     i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 1680         os=-sysv
 1681         ;;
 1682     *-cbm)
 1683         os=-amigaos
 1684         ;;
 1685     *-dg)
 1686         os=-dgux
 1687         ;;
 1688     *-dolphin)
 1689         os=-sysv3
 1690         ;;
 1691     m68k-ccur)
 1692         os=-rtu
 1693         ;;
 1694     m88k-omron*)
 1695         os=-luna
 1696         ;;
 1697     *-next )
 1698         os=-nextstep
 1699         ;;
 1700     *-sequent)
 1701         os=-ptx
 1702         ;;
 1703     *-crds)
 1704         os=-unos
 1705         ;;
 1706     *-ns)
 1707         os=-genix
 1708         ;;
 1709     i370-*)
 1710         os=-mvs
 1711         ;;
 1712     *-next)
 1713         os=-nextstep3
 1714         ;;
 1715     *-gould)
 1716         os=-sysv
 1717         ;;
 1718     *-highlevel)
 1719         os=-bsd
 1720         ;;
 1721     *-encore)
 1722         os=-bsd
 1723         ;;
 1724     *-sgi)
 1725         os=-irix
 1726         ;;
 1727     *-siemens)
 1728         os=-sysv4
 1729         ;;
 1730     *-masscomp)
 1731         os=-rtu
 1732         ;;
 1733     f30[01]-fujitsu | f700-fujitsu)
 1734         os=-uxpv
 1735         ;;
 1736     *-rom68k)
 1737         os=-coff
 1738         ;;
 1739     *-*bug)
 1740         os=-coff
 1741         ;;
 1742     *-apple)
 1743         os=-macos
 1744         ;;
 1745     *-atari*)
 1746         os=-mint
 1747         ;;
 1748     *)
 1749         os=-none
 1750         ;;
 1751 esac
 1752 fi
 1753 
 1754 # Here we handle the case where we know the os, and the CPU type, but not the
 1755 # manufacturer.  We pick the logical manufacturer.
 1756 vendor=unknown
 1757 case $basic_machine in
 1758     *-unknown)
 1759         case $os in
 1760             -riscix*)
 1761                 vendor=acorn
 1762                 ;;
 1763             -sunos*)
 1764                 vendor=sun
 1765                 ;;
 1766             -cnk*|-aix*)
 1767                 vendor=ibm
 1768                 ;;
 1769             -beos*)
 1770                 vendor=be
 1771                 ;;
 1772             -hpux*)
 1773                 vendor=hp
 1774                 ;;
 1775             -mpeix*)
 1776                 vendor=hp
 1777                 ;;
 1778             -hiux*)
 1779                 vendor=hitachi
 1780                 ;;
 1781             -unos*)
 1782                 vendor=crds
 1783                 ;;
 1784             -dgux*)
 1785                 vendor=dg
 1786                 ;;
 1787             -luna*)
 1788                 vendor=omron
 1789                 ;;
 1790             -genix*)
 1791                 vendor=ns
 1792                 ;;
 1793             -mvs* | -opened*)
 1794                 vendor=ibm
 1795                 ;;
 1796             -os400*)
 1797                 vendor=ibm
 1798                 ;;
 1799             -ptx*)
 1800                 vendor=sequent
 1801                 ;;
 1802             -tpf*)
 1803                 vendor=ibm
 1804                 ;;
 1805             -vxsim* | -vxworks* | -windiss*)
 1806                 vendor=wrs
 1807                 ;;
 1808             -aux*)
 1809                 vendor=apple
 1810                 ;;
 1811             -hms*)
 1812                 vendor=hitachi
 1813                 ;;
 1814             -mpw* | -macos*)
 1815                 vendor=apple
 1816                 ;;
 1817             -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
 1818                 vendor=atari
 1819                 ;;
 1820             -vos*)
 1821                 vendor=stratus
 1822                 ;;
 1823         esac
 1824         basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 1825         ;;
 1826 esac
 1827 
 1828 echo $basic_machine$os
 1829 exit
 1830 
 1831 # Local variables:
 1832 # eval: (add-hook 'write-file-hooks 'time-stamp)
 1833 # time-stamp-start: "timestamp='"
 1834 # time-stamp-format: "%:y-%02m-%02d"
 1835 # time-stamp-end: "'"
 1836 # End: