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    1 #! /bin/sh
    2 # Configuration validation subroutine script.
    3 #   Copyright 1992-2019 Free Software Foundation, Inc.
    4 
    5 timestamp='2019-06-30'
    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 <https://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 # https://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: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
   57 
   58 Canonicalize a configuration name.
   59 
   60 Options:
   61   -h, --help         print this help, then exit
   62   -t, --time-stamp   print date of last modification, then exit
   63   -v, --version      print version number, then exit
   64 
   65 Report bugs and patches to <config-patches@gnu.org>."
   66 
   67 version="\
   68 GNU config.sub ($timestamp)
   69 
   70 Copyright 1992-2019 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" >&2
   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 # Split fields of configuration type
  114 # shellcheck disable=SC2162
  115 IFS="-" read field1 field2 field3 field4 <<EOF
  116 $1
  117 EOF
  118 
  119 # Separate into logical components for further validation
  120 case $1 in
  121     *-*-*-*-*)
  122         echo Invalid configuration \`"$1"\': more than four components >&2
  123         exit 1
  124         ;;
  125     *-*-*-*)
  126         basic_machine=$field1-$field2
  127         os=$field3-$field4
  128         ;;
  129     *-*-*)
  130         # Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two
  131         # parts
  132         maybe_os=$field2-$field3
  133         case $maybe_os in
  134             nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc \
  135             | linux-newlib* | linux-musl* | linux-uclibc* | uclinux-uclibc* \
  136             | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \
  137             | netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \
  138             | storm-chaos* | os2-emx* | rtmk-nova*)
  139                 basic_machine=$field1
  140                 os=$maybe_os
  141                 ;;
  142             android-linux)
  143                 basic_machine=$field1-unknown
  144                 os=linux-android
  145                 ;;
  146             *)
  147                 basic_machine=$field1-$field2
  148                 os=$field3
  149                 ;;
  150         esac
  151         ;;
  152     *-*)
  153         # A lone config we happen to match not fitting any pattern
  154         case $field1-$field2 in
  155             decstation-3100)
  156                 basic_machine=mips-dec
  157                 os=
  158                 ;;
  159             *-*)
  160                 # Second component is usually, but not always the OS
  161                 case $field2 in
  162                     # Prevent following clause from handling this valid os
  163                     sun*os*)
  164                         basic_machine=$field1
  165                         os=$field2
  166                         ;;
  167                     # Manufacturers
  168                     dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \
  169                     | att* | 7300* | 3300* | delta* | motorola* | sun[234]* \
  170                     | unicom* | ibm* | next | hp | isi* | apollo | altos* \
  171                     | convergent* | ncr* | news | 32* | 3600* | 3100* \
  172                     | hitachi* | c[123]* | convex* | sun | crds | omron* | dg \
  173                     | ultra | tti* | harris | dolphin | highlevel | gould \
  174                     | cbm | ns | masscomp | apple | axis | knuth | cray \
  175                     | microblaze* | sim | cisco \
  176                     | oki | wec | wrs | winbond)
  177                         basic_machine=$field1-$field2
  178                         os=
  179                         ;;
  180                     *)
  181                         basic_machine=$field1
  182                         os=$field2
  183                         ;;
  184                 esac
  185             ;;
  186         esac
  187         ;;
  188     *)
  189         # Convert single-component short-hands not valid as part of
  190         # multi-component configurations.
  191         case $field1 in
  192             386bsd)
  193                 basic_machine=i386-pc
  194                 os=bsd
  195                 ;;
  196             a29khif)
  197                 basic_machine=a29k-amd
  198                 os=udi
  199                 ;;
  200             adobe68k)
  201                 basic_machine=m68010-adobe
  202                 os=scout
  203                 ;;
  204             alliant)
  205                 basic_machine=fx80-alliant
  206                 os=
  207                 ;;
  208             altos | altos3068)
  209                 basic_machine=m68k-altos
  210                 os=
  211                 ;;
  212             am29k)
  213                 basic_machine=a29k-none
  214                 os=bsd
  215                 ;;
  216             amdahl)
  217                 basic_machine=580-amdahl
  218                 os=sysv
  219                 ;;
  220             amiga)
  221                 basic_machine=m68k-unknown
  222                 os=
  223                 ;;
  224             amigaos | amigados)
  225                 basic_machine=m68k-unknown
  226                 os=amigaos
  227                 ;;
  228             amigaunix | amix)
  229                 basic_machine=m68k-unknown
  230                 os=sysv4
  231                 ;;
  232             apollo68)
  233                 basic_machine=m68k-apollo
  234                 os=sysv
  235                 ;;
  236             apollo68bsd)
  237                 basic_machine=m68k-apollo
  238                 os=bsd
  239                 ;;
  240             aros)
  241                 basic_machine=i386-pc
  242                 os=aros
  243                 ;;
  244             aux)
  245                 basic_machine=m68k-apple
  246                 os=aux
  247                 ;;
  248             balance)
  249                 basic_machine=ns32k-sequent
  250                 os=dynix
  251                 ;;
  252             blackfin)
  253                 basic_machine=bfin-unknown
  254                 os=linux
  255                 ;;
  256             cegcc)
  257                 basic_machine=arm-unknown
  258                 os=cegcc
  259                 ;;
  260             convex-c1)
  261                 basic_machine=c1-convex
  262                 os=bsd
  263                 ;;
  264             convex-c2)
  265                 basic_machine=c2-convex
  266                 os=bsd
  267                 ;;
  268             convex-c32)
  269                 basic_machine=c32-convex
  270                 os=bsd
  271                 ;;
  272             convex-c34)
  273                 basic_machine=c34-convex
  274                 os=bsd
  275                 ;;
  276             convex-c38)
  277                 basic_machine=c38-convex
  278                 os=bsd
  279                 ;;
  280             cray)
  281                 basic_machine=j90-cray
  282                 os=unicos
  283                 ;;
  284             crds | unos)
  285                 basic_machine=m68k-crds
  286                 os=
  287                 ;;
  288             da30)
  289                 basic_machine=m68k-da30
  290                 os=
  291                 ;;
  292             decstation | pmax | pmin | dec3100 | decstatn)
  293                 basic_machine=mips-dec
  294                 os=
  295                 ;;
  296             delta88)
  297                 basic_machine=m88k-motorola
  298                 os=sysv3
  299                 ;;
  300             dicos)
  301                 basic_machine=i686-pc
  302                 os=dicos
  303                 ;;
  304             djgpp)
  305                 basic_machine=i586-pc
  306                 os=msdosdjgpp
  307                 ;;
  308             ebmon29k)
  309                 basic_machine=a29k-amd
  310                 os=ebmon
  311                 ;;
  312             es1800 | OSE68k | ose68k | ose | OSE)
  313                 basic_machine=m68k-ericsson
  314                 os=ose
  315                 ;;
  316             gmicro)
  317                 basic_machine=tron-gmicro
  318                 os=sysv
  319                 ;;
  320             go32)
  321                 basic_machine=i386-pc
  322                 os=go32
  323                 ;;
  324             h8300hms)
  325                 basic_machine=h8300-hitachi
  326                 os=hms
  327                 ;;
  328             h8300xray)
  329                 basic_machine=h8300-hitachi
  330                 os=xray
  331                 ;;
  332             h8500hms)
  333                 basic_machine=h8500-hitachi
  334                 os=hms
  335                 ;;
  336             harris)
  337                 basic_machine=m88k-harris
  338                 os=sysv3
  339                 ;;
  340             hp300 | hp300hpux)
  341                 basic_machine=m68k-hp
  342                 os=hpux
  343                 ;;
  344             hp300bsd)
  345                 basic_machine=m68k-hp
  346                 os=bsd
  347                 ;;
  348             hppaosf)
  349                 basic_machine=hppa1.1-hp
  350                 os=osf
  351                 ;;
  352             hppro)
  353                 basic_machine=hppa1.1-hp
  354                 os=proelf
  355                 ;;
  356             i386mach)
  357                 basic_machine=i386-mach
  358                 os=mach
  359                 ;;
  360             isi68 | isi)
  361                 basic_machine=m68k-isi
  362                 os=sysv
  363                 ;;
  364             m68knommu)
  365                 basic_machine=m68k-unknown
  366                 os=linux
  367                 ;;
  368             magnum | m3230)
  369                 basic_machine=mips-mips
  370                 os=sysv
  371                 ;;
  372             merlin)
  373                 basic_machine=ns32k-utek
  374                 os=sysv
  375                 ;;
  376             mingw64)
  377                 basic_machine=x86_64-pc
  378                 os=mingw64
  379                 ;;
  380             mingw32)
  381                 basic_machine=i686-pc
  382                 os=mingw32
  383                 ;;
  384             mingw32ce)
  385                 basic_machine=arm-unknown
  386                 os=mingw32ce
  387                 ;;
  388             monitor)
  389                 basic_machine=m68k-rom68k
  390                 os=coff
  391                 ;;
  392             morphos)
  393                 basic_machine=powerpc-unknown
  394                 os=morphos
  395                 ;;
  396             moxiebox)
  397                 basic_machine=moxie-unknown
  398                 os=moxiebox
  399                 ;;
  400             msdos)
  401                 basic_machine=i386-pc
  402                 os=msdos
  403                 ;;
  404             msys)
  405                 basic_machine=i686-pc
  406                 os=msys
  407                 ;;
  408             mvs)
  409                 basic_machine=i370-ibm
  410                 os=mvs
  411                 ;;
  412             nacl)
  413                 basic_machine=le32-unknown
  414                 os=nacl
  415                 ;;
  416             ncr3000)
  417                 basic_machine=i486-ncr
  418                 os=sysv4
  419                 ;;
  420             netbsd386)
  421                 basic_machine=i386-pc
  422                 os=netbsd
  423                 ;;
  424             netwinder)
  425                 basic_machine=armv4l-rebel
  426                 os=linux
  427                 ;;
  428             news | news700 | news800 | news900)
  429                 basic_machine=m68k-sony
  430                 os=newsos
  431                 ;;
  432             news1000)
  433                 basic_machine=m68030-sony
  434                 os=newsos
  435                 ;;
  436             necv70)
  437                 basic_machine=v70-nec
  438                 os=sysv
  439                 ;;
  440             nh3000)
  441                 basic_machine=m68k-harris
  442                 os=cxux
  443                 ;;
  444             nh[45]000)
  445                 basic_machine=m88k-harris
  446                 os=cxux
  447                 ;;
  448             nindy960)
  449                 basic_machine=i960-intel
  450                 os=nindy
  451                 ;;
  452             mon960)
  453                 basic_machine=i960-intel
  454                 os=mon960
  455                 ;;
  456             nonstopux)
  457                 basic_machine=mips-compaq
  458                 os=nonstopux
  459                 ;;
  460             os400)
  461                 basic_machine=powerpc-ibm
  462                 os=os400
  463                 ;;
  464             OSE68000 | ose68000)
  465                 basic_machine=m68000-ericsson
  466                 os=ose
  467                 ;;
  468             os68k)
  469                 basic_machine=m68k-none
  470                 os=os68k
  471                 ;;
  472             paragon)
  473                 basic_machine=i860-intel
  474                 os=osf
  475                 ;;
  476             parisc)
  477                 basic_machine=hppa-unknown
  478                 os=linux
  479                 ;;
  480             pw32)
  481                 basic_machine=i586-unknown
  482                 os=pw32
  483                 ;;
  484             rdos | rdos64)
  485                 basic_machine=x86_64-pc
  486                 os=rdos
  487                 ;;
  488             rdos32)
  489                 basic_machine=i386-pc
  490                 os=rdos
  491                 ;;
  492             rom68k)
  493                 basic_machine=m68k-rom68k
  494                 os=coff
  495                 ;;
  496             sa29200)
  497                 basic_machine=a29k-amd
  498                 os=udi
  499                 ;;
  500             sei)
  501                 basic_machine=mips-sei
  502                 os=seiux
  503                 ;;
  504             sequent)
  505                 basic_machine=i386-sequent
  506                 os=
  507                 ;;
  508             sps7)
  509                 basic_machine=m68k-bull
  510                 os=sysv2
  511                 ;;
  512             st2000)
  513                 basic_machine=m68k-tandem
  514                 os=
  515                 ;;
  516             stratus)
  517                 basic_machine=i860-stratus
  518                 os=sysv4
  519                 ;;
  520             sun2)
  521                 basic_machine=m68000-sun
  522                 os=
  523                 ;;
  524             sun2os3)
  525                 basic_machine=m68000-sun
  526                 os=sunos3
  527                 ;;
  528             sun2os4)
  529                 basic_machine=m68000-sun
  530                 os=sunos4
  531                 ;;
  532             sun3)
  533                 basic_machine=m68k-sun
  534                 os=
  535                 ;;
  536             sun3os3)
  537                 basic_machine=m68k-sun
  538                 os=sunos3
  539                 ;;
  540             sun3os4)
  541                 basic_machine=m68k-sun
  542                 os=sunos4
  543                 ;;
  544             sun4)
  545                 basic_machine=sparc-sun
  546                 os=
  547                 ;;
  548             sun4os3)
  549                 basic_machine=sparc-sun
  550                 os=sunos3
  551                 ;;
  552             sun4os4)
  553                 basic_machine=sparc-sun
  554                 os=sunos4
  555                 ;;
  556             sun4sol2)
  557                 basic_machine=sparc-sun
  558                 os=solaris2
  559                 ;;
  560             sun386 | sun386i | roadrunner)
  561                 basic_machine=i386-sun
  562                 os=
  563                 ;;
  564             sv1)
  565                 basic_machine=sv1-cray
  566                 os=unicos
  567                 ;;
  568             symmetry)
  569                 basic_machine=i386-sequent
  570                 os=dynix
  571                 ;;
  572             t3e)
  573                 basic_machine=alphaev5-cray
  574                 os=unicos
  575                 ;;
  576             t90)
  577                 basic_machine=t90-cray
  578                 os=unicos
  579                 ;;
  580             toad1)
  581                 basic_machine=pdp10-xkl
  582                 os=tops20
  583                 ;;
  584             tpf)
  585                 basic_machine=s390x-ibm
  586                 os=tpf
  587                 ;;
  588             udi29k)
  589                 basic_machine=a29k-amd
  590                 os=udi
  591                 ;;
  592             ultra3)
  593                 basic_machine=a29k-nyu
  594                 os=sym1
  595                 ;;
  596             v810 | necv810)
  597                 basic_machine=v810-nec
  598                 os=none
  599                 ;;
  600             vaxv)
  601                 basic_machine=vax-dec
  602                 os=sysv
  603                 ;;
  604             vms)
  605                 basic_machine=vax-dec
  606                 os=vms
  607                 ;;
  608             vsta)
  609                 basic_machine=i386-pc
  610                 os=vsta
  611                 ;;
  612             vxworks960)
  613                 basic_machine=i960-wrs
  614                 os=vxworks
  615                 ;;
  616             vxworks68)
  617                 basic_machine=m68k-wrs
  618                 os=vxworks
  619                 ;;
  620             vxworks29k)
  621                 basic_machine=a29k-wrs
  622                 os=vxworks
  623                 ;;
  624             xbox)
  625                 basic_machine=i686-pc
  626                 os=mingw32
  627                 ;;
  628             ymp)
  629                 basic_machine=ymp-cray
  630                 os=unicos
  631                 ;;
  632             *)
  633                 basic_machine=$1
  634                 os=
  635                 ;;
  636         esac
  637         ;;
  638 esac
  639 
  640 # Decode 1-component or ad-hoc basic machines
  641 case $basic_machine in
  642     # Here we handle the default manufacturer of certain CPU types.  It is in
  643     # some cases the only manufacturer, in others, it is the most popular.
  644     w89k)
  645         cpu=hppa1.1
  646         vendor=winbond
  647         ;;
  648     op50n)
  649         cpu=hppa1.1
  650         vendor=oki
  651         ;;
  652     op60c)
  653         cpu=hppa1.1
  654         vendor=oki
  655         ;;
  656     ibm*)
  657         cpu=i370
  658         vendor=ibm
  659         ;;
  660     orion105)
  661         cpu=clipper
  662         vendor=highlevel
  663         ;;
  664     mac | mpw | mac-mpw)
  665         cpu=m68k
  666         vendor=apple
  667         ;;
  668     pmac | pmac-mpw)
  669         cpu=powerpc
  670         vendor=apple
  671         ;;
  672 
  673     # Recognize the various machine names and aliases which stand
  674     # for a CPU type and a company and sometimes even an OS.
  675     3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
  676         cpu=m68000
  677         vendor=att
  678         ;;
  679     3b*)
  680         cpu=we32k
  681         vendor=att
  682         ;;
  683     bluegene*)
  684         cpu=powerpc
  685         vendor=ibm
  686         os=cnk
  687         ;;
  688     decsystem10* | dec10*)
  689         cpu=pdp10
  690         vendor=dec
  691         os=tops10
  692         ;;
  693     decsystem20* | dec20*)
  694         cpu=pdp10
  695         vendor=dec
  696         os=tops20
  697         ;;
  698     delta | 3300 | motorola-3300 | motorola-delta \
  699           | 3300-motorola | delta-motorola)
  700         cpu=m68k
  701         vendor=motorola
  702         ;;
  703     dpx2*)
  704         cpu=m68k
  705         vendor=bull
  706         os=sysv3
  707         ;;
  708     encore | umax | mmax)
  709         cpu=ns32k
  710         vendor=encore
  711         ;;
  712     elxsi)
  713         cpu=elxsi
  714         vendor=elxsi
  715         os=${os:-bsd}
  716         ;;
  717     fx2800)
  718         cpu=i860
  719         vendor=alliant
  720         ;;
  721     genix)
  722         cpu=ns32k
  723         vendor=ns
  724         ;;
  725     h3050r* | hiux*)
  726         cpu=hppa1.1
  727         vendor=hitachi
  728         os=hiuxwe2
  729         ;;
  730     hp3k9[0-9][0-9] | hp9[0-9][0-9])
  731         cpu=hppa1.0
  732         vendor=hp
  733         ;;
  734     hp9k2[0-9][0-9] | hp9k31[0-9])
  735         cpu=m68000
  736         vendor=hp
  737         ;;
  738     hp9k3[2-9][0-9])
  739         cpu=m68k
  740         vendor=hp
  741         ;;
  742     hp9k6[0-9][0-9] | hp6[0-9][0-9])
  743         cpu=hppa1.0
  744         vendor=hp
  745         ;;
  746     hp9k7[0-79][0-9] | hp7[0-79][0-9])
  747         cpu=hppa1.1
  748         vendor=hp
  749         ;;
  750     hp9k78[0-9] | hp78[0-9])
  751         # FIXME: really hppa2.0-hp
  752         cpu=hppa1.1
  753         vendor=hp
  754         ;;
  755     hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
  756         # FIXME: really hppa2.0-hp
  757         cpu=hppa1.1
  758         vendor=hp
  759         ;;
  760     hp9k8[0-9][13679] | hp8[0-9][13679])
  761         cpu=hppa1.1
  762         vendor=hp
  763         ;;
  764     hp9k8[0-9][0-9] | hp8[0-9][0-9])
  765         cpu=hppa1.0
  766         vendor=hp
  767         ;;
  768     i*86v32)
  769         cpu=`echo "$1" | sed -e 's/86.*/86/'`
  770         vendor=pc
  771         os=sysv32
  772         ;;
  773     i*86v4*)
  774         cpu=`echo "$1" | sed -e 's/86.*/86/'`
  775         vendor=pc
  776         os=sysv4
  777         ;;
  778     i*86v)
  779         cpu=`echo "$1" | sed -e 's/86.*/86/'`
  780         vendor=pc
  781         os=sysv
  782         ;;
  783     i*86sol2)
  784         cpu=`echo "$1" | sed -e 's/86.*/86/'`
  785         vendor=pc
  786         os=solaris2
  787         ;;
  788     j90 | j90-cray)
  789         cpu=j90
  790         vendor=cray
  791         os=${os:-unicos}
  792         ;;
  793     iris | iris4d)
  794         cpu=mips
  795         vendor=sgi
  796         case $os in
  797             irix*)
  798             ;;
  799             *)
  800             os=irix4
  801             ;;
  802         esac
  803         ;;
  804     miniframe)
  805         cpu=m68000
  806         vendor=convergent
  807         ;;
  808     *mint | mint[0-9]* | *MiNT | *MiNT[0-9]*)
  809         cpu=m68k
  810         vendor=atari
  811         os=mint
  812         ;;
  813     news-3600 | risc-news)
  814         cpu=mips
  815         vendor=sony
  816         os=newsos
  817         ;;
  818     next | m*-next)
  819         cpu=m68k
  820         vendor=next
  821         case $os in
  822             openstep*)
  823                 ;;
  824             nextstep*)
  825             ;;
  826             ns2*)
  827               os=nextstep2
  828             ;;
  829             *)
  830               os=nextstep3
  831             ;;
  832         esac
  833         ;;
  834     np1)
  835         cpu=np1
  836         vendor=gould
  837         ;;
  838     op50n-* | op60c-*)
  839         cpu=hppa1.1
  840         vendor=oki
  841         os=proelf
  842         ;;
  843     pa-hitachi)
  844         cpu=hppa1.1
  845         vendor=hitachi
  846         os=hiuxwe2
  847         ;;
  848     pbd)
  849         cpu=sparc
  850         vendor=tti
  851         ;;
  852     pbb)
  853         cpu=m68k
  854         vendor=tti
  855         ;;
  856     pc532)
  857         cpu=ns32k
  858         vendor=pc532
  859         ;;
  860     pn)
  861         cpu=pn
  862         vendor=gould
  863         ;;
  864     power)
  865         cpu=power
  866         vendor=ibm
  867         ;;
  868     ps2)
  869         cpu=i386
  870         vendor=ibm
  871         ;;
  872     rm[46]00)
  873         cpu=mips
  874         vendor=siemens
  875         ;;
  876     rtpc | rtpc-*)
  877         cpu=romp
  878         vendor=ibm
  879         ;;
  880     sde)
  881         cpu=mipsisa32
  882         vendor=sde
  883         os=${os:-elf}
  884         ;;
  885     simso-wrs)
  886         cpu=sparclite
  887         vendor=wrs
  888         os=vxworks
  889         ;;
  890     tower | tower-32)
  891         cpu=m68k
  892         vendor=ncr
  893         ;;
  894     vpp*|vx|vx-*)
  895         cpu=f301
  896         vendor=fujitsu
  897         ;;
  898     w65)
  899         cpu=w65
  900         vendor=wdc
  901         ;;
  902     w89k-*)
  903         cpu=hppa1.1
  904         vendor=winbond
  905         os=proelf
  906         ;;
  907     none)
  908         cpu=none
  909         vendor=none
  910         ;;
  911     leon|leon[3-9])
  912         cpu=sparc
  913         vendor=$basic_machine
  914         ;;
  915     leon-*|leon[3-9]-*)
  916         cpu=sparc
  917         vendor=`echo "$basic_machine" | sed 's/-.*//'`
  918         ;;
  919 
  920     *-*)
  921         # shellcheck disable=SC2162
  922         IFS="-" read cpu vendor <<EOF
  923 $basic_machine
  924 EOF
  925         ;;
  926     # We use `pc' rather than `unknown'
  927     # because (1) that's what they normally are, and
  928     # (2) the word "unknown" tends to confuse beginning users.
  929     i*86 | x86_64)
  930         cpu=$basic_machine
  931         vendor=pc
  932         ;;
  933     # These rules are duplicated from below for sake of the special case above;
  934     # i.e. things that normalized to x86 arches should also default to "pc"
  935     pc98)
  936         cpu=i386
  937         vendor=pc
  938         ;;
  939     x64 | amd64)
  940         cpu=x86_64
  941         vendor=pc
  942         ;;
  943     # Recognize the basic CPU types without company name.
  944     *)
  945         cpu=$basic_machine
  946         vendor=unknown
  947         ;;
  948 esac
  949 
  950 unset -v basic_machine
  951 
  952 # Decode basic machines in the full and proper CPU-Company form.
  953 case $cpu-$vendor in
  954     # Here we handle the default manufacturer of certain CPU types in canonical form. It is in
  955     # some cases the only manufacturer, in others, it is the most popular.
  956     craynv-unknown)
  957         vendor=cray
  958         os=${os:-unicosmp}
  959         ;;
  960     c90-unknown | c90-cray)
  961         vendor=cray
  962         os=${os:-unicos}
  963         ;;
  964     fx80-unknown)
  965         vendor=alliant
  966         ;;
  967     romp-unknown)
  968         vendor=ibm
  969         ;;
  970     mmix-unknown)
  971         vendor=knuth
  972         ;;
  973     microblaze-unknown | microblazeel-unknown)
  974         vendor=xilinx
  975         ;;
  976     rs6000-unknown)
  977         vendor=ibm
  978         ;;
  979     vax-unknown)
  980         vendor=dec
  981         ;;
  982     pdp11-unknown)
  983         vendor=dec
  984         ;;
  985     we32k-unknown)
  986         vendor=att
  987         ;;
  988     cydra-unknown)
  989         vendor=cydrome
  990         ;;
  991     i370-ibm*)
  992         vendor=ibm
  993         ;;
  994     orion-unknown)
  995         vendor=highlevel
  996         ;;
  997     xps-unknown | xps100-unknown)
  998         cpu=xps100
  999         vendor=honeywell
 1000         ;;
 1001 
 1002     # Here we normalize CPU types with a missing or matching vendor
 1003     dpx20-unknown | dpx20-bull)
 1004         cpu=rs6000
 1005         vendor=bull
 1006         os=${os:-bosx}
 1007         ;;
 1008 
 1009     # Here we normalize CPU types irrespective of the vendor
 1010     amd64-*)
 1011         cpu=x86_64
 1012         ;;
 1013     blackfin-*)
 1014         cpu=bfin
 1015         os=linux
 1016         ;;
 1017     c54x-*)
 1018         cpu=tic54x
 1019         ;;
 1020     c55x-*)
 1021         cpu=tic55x
 1022         ;;
 1023     c6x-*)
 1024         cpu=tic6x
 1025         ;;
 1026     e500v[12]-*)
 1027         cpu=powerpc
 1028         os=$os"spe"
 1029         ;;
 1030     mips3*-*)
 1031         cpu=mips64
 1032         ;;
 1033     ms1-*)
 1034         cpu=mt
 1035         ;;
 1036     m68knommu-*)
 1037         cpu=m68k
 1038         os=linux
 1039         ;;
 1040     m9s12z-* | m68hcs12z-* | hcs12z-* | s12z-*)
 1041         cpu=s12z
 1042         ;;
 1043     openrisc-*)
 1044         cpu=or32
 1045         ;;
 1046     parisc-*)
 1047         cpu=hppa
 1048         os=linux
 1049         ;;
 1050     pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
 1051         cpu=i586
 1052         ;;
 1053     pentiumpro-* | p6-* | 6x86-* | athlon-* | athalon_*-*)
 1054         cpu=i686
 1055         ;;
 1056     pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
 1057         cpu=i686
 1058         ;;
 1059     pentium4-*)
 1060         cpu=i786
 1061         ;;
 1062     pc98-*)
 1063         cpu=i386
 1064         ;;
 1065     ppc-* | ppcbe-*)
 1066         cpu=powerpc
 1067         ;;
 1068     ppcle-* | powerpclittle-*)
 1069         cpu=powerpcle
 1070         ;;
 1071     ppc64-*)
 1072         cpu=powerpc64
 1073         ;;
 1074     ppc64le-* | powerpc64little-*)
 1075         cpu=powerpc64le
 1076         ;;
 1077     sb1-*)
 1078         cpu=mipsisa64sb1
 1079         ;;
 1080     sb1el-*)
 1081         cpu=mipsisa64sb1el
 1082         ;;
 1083     sh5e[lb]-*)
 1084         cpu=`echo "$cpu" | sed 's/^\(sh.\)e\(.\)$/\1\2e/'`
 1085         ;;
 1086     spur-*)
 1087         cpu=spur
 1088         ;;
 1089     strongarm-* | thumb-*)
 1090         cpu=arm
 1091         ;;
 1092     tx39-*)
 1093         cpu=mipstx39
 1094         ;;
 1095     tx39el-*)
 1096         cpu=mipstx39el
 1097         ;;
 1098     x64-*)
 1099         cpu=x86_64
 1100         ;;
 1101     xscale-* | xscalee[bl]-*)
 1102         cpu=`echo "$cpu" | sed 's/^xscale/arm/'`
 1103         ;;
 1104 
 1105     # Recognize the canonical CPU Types that limit and/or modify the
 1106     # company names they are paired with.
 1107     cr16-*)
 1108         os=${os:-elf}
 1109         ;;
 1110     crisv32-* | etraxfs*-*)
 1111         cpu=crisv32
 1112         vendor=axis
 1113         ;;
 1114     cris-* | etrax*-*)
 1115         cpu=cris
 1116         vendor=axis
 1117         ;;
 1118     crx-*)
 1119         os=${os:-elf}
 1120         ;;
 1121     neo-tandem)
 1122         cpu=neo
 1123         vendor=tandem
 1124         ;;
 1125     nse-tandem)
 1126         cpu=nse
 1127         vendor=tandem
 1128         ;;
 1129     nsr-tandem)
 1130         cpu=nsr
 1131         vendor=tandem
 1132         ;;
 1133     nsv-tandem)
 1134         cpu=nsv
 1135         vendor=tandem
 1136         ;;
 1137     nsx-tandem)
 1138         cpu=nsx
 1139         vendor=tandem
 1140         ;;
 1141     s390-*)
 1142         cpu=s390
 1143         vendor=ibm
 1144         ;;
 1145     s390x-*)
 1146         cpu=s390x
 1147         vendor=ibm
 1148         ;;
 1149     tile*-*)
 1150         os=${os:-linux-gnu}
 1151         ;;
 1152 
 1153     *)
 1154         # Recognize the canonical CPU types that are allowed with any
 1155         # company name.
 1156         case $cpu in
 1157             1750a | 580 \
 1158             | a29k \
 1159             | aarch64 | aarch64_be \
 1160             | abacus \
 1161             | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
 1162             | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
 1163             | alphapca5[67] | alpha64pca5[67] \
 1164             | am33_2.0 \
 1165             | amdgcn \
 1166             | arc | arceb \
 1167             | arm  | arm[lb]e | arme[lb] | armv* \
 1168             | avr | avr32 \
 1169             | asmjs \
 1170             | ba \
 1171             | be32 | be64 \
 1172             | bfin | bpf | bs2000 \
 1173             | c[123]* | c30 | [cjt]90 | c4x \
 1174             | c8051 | clipper | craynv | csky | cydra \
 1175             | d10v | d30v | dlx | dsp16xx \
 1176             | e2k | elxsi | epiphany \
 1177             | f30[01] | f700 | fido | fr30 | frv | ft32 | fx80 \
 1178             | h8300 | h8500 \
 1179             | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
 1180             | hexagon \
 1181             | i370 | i*86 | i860 | i960 | ia16 | ia64 \
 1182             | ip2k | iq2000 \
 1183             | k1om \
 1184             | le32 | le64 \
 1185             | lm32 \
 1186             | m32c | m32r | m32rle \
 1187             | m5200 | m68000 | m680[012346]0 | m68360 | m683?2 | m68k \
 1188             | m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x \
 1189             | m88110 | m88k | maxq | mb | mcore | mep | metag \
 1190             | microblaze | microblazeel \
 1191             | mips | mipsbe | mipseb | mipsel | mipsle \
 1192             | mips16 \
 1193             | mips64 | mips64eb | mips64el \
 1194             | mips64octeon | mips64octeonel \
 1195             | mips64orion | mips64orionel \
 1196             | mips64r5900 | mips64r5900el \
 1197             | mips64vr | mips64vrel \
 1198             | mips64vr4100 | mips64vr4100el \
 1199             | mips64vr4300 | mips64vr4300el \
 1200             | mips64vr5000 | mips64vr5000el \
 1201             | mips64vr5900 | mips64vr5900el \
 1202             | mipsisa32 | mipsisa32el \
 1203             | mipsisa32r2 | mipsisa32r2el \
 1204             | mipsisa32r6 | mipsisa32r6el \
 1205             | mipsisa64 | mipsisa64el \
 1206             | mipsisa64r2 | mipsisa64r2el \
 1207             | mipsisa64r6 | mipsisa64r6el \
 1208             | mipsisa64sb1 | mipsisa64sb1el \
 1209             | mipsisa64sr71k | mipsisa64sr71kel \
 1210             | mipsr5900 | mipsr5900el \
 1211             | mipstx39 | mipstx39el \
 1212             | mmix \
 1213             | mn10200 | mn10300 \
 1214             | moxie \
 1215             | mt \
 1216             | msp430 \
 1217             | nds32 | nds32le | nds32be \
 1218             | nfp \
 1219             | nios | nios2 | nios2eb | nios2el \
 1220             | none | np1 | ns16k | ns32k | nvptx \
 1221             | open8 \
 1222             | or1k* \
 1223             | or32 \
 1224             | orion \
 1225             | picochip \
 1226             | pdp10 | pdp11 | pj | pjl | pn | power \
 1227             | powerpc | powerpc64 | powerpc64le | powerpcle | powerpcspe \
 1228             | pru \
 1229             | pyramid \
 1230             | riscv | riscv32 | riscv64 \
 1231             | rl78 | romp | rs6000 | rx \
 1232             | score \
 1233             | sh | shl \
 1234             | sh[1234] | sh[24]a | sh[24]ae[lb] | sh[23]e | she[lb] | sh[lb]e \
 1235             | sh[1234]e[lb] |  sh[12345][lb]e | sh[23]ele | sh64 | sh64le \
 1236             | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet \
 1237             | sparclite \
 1238             | sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
 1239             | spu \
 1240             | tahoe \
 1241             | tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
 1242             | tron \
 1243             | ubicom32 \
 1244             | v70 | v850 | v850e | v850e1 | v850es | v850e2 | v850e2v3 \
 1245             | vax \
 1246             | visium \
 1247             | w65 \
 1248             | wasm32 | wasm64 \
 1249             | we32k \
 1250             | x86 | x86_64 | xc16x | xgate | xps100 \
 1251             | xstormy16 | xtensa* \
 1252             | ymp \
 1253             | z8k | z80)
 1254                 ;;
 1255 
 1256             *)
 1257                 echo Invalid configuration \`"$1"\': machine \`"$cpu-$vendor"\' not recognized 1>&2
 1258                 exit 1
 1259                 ;;
 1260         esac
 1261         ;;
 1262 esac
 1263 
 1264 # Here we canonicalize certain aliases for manufacturers.
 1265 case $vendor in
 1266     digital*)
 1267         vendor=dec
 1268         ;;
 1269     commodore*)
 1270         vendor=cbm
 1271         ;;
 1272     *)
 1273         ;;
 1274 esac
 1275 
 1276 # Decode manufacturer-specific aliases for certain operating systems.
 1277 
 1278 if [ x$os != x ]
 1279 then
 1280 case $os in
 1281     # First match some system type aliases that might get confused
 1282     # with valid system types.
 1283     # solaris* is a basic system type, with this one exception.
 1284     auroraux)
 1285         os=auroraux
 1286         ;;
 1287     bluegene*)
 1288         os=cnk
 1289         ;;
 1290     solaris1 | solaris1.*)
 1291         os=`echo $os | sed -e 's|solaris1|sunos4|'`
 1292         ;;
 1293     solaris)
 1294         os=solaris2
 1295         ;;
 1296     unixware*)
 1297         os=sysv4.2uw
 1298         ;;
 1299     gnu/linux*)
 1300         os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
 1301         ;;
 1302     # es1800 is here to avoid being matched by es* (a different OS)
 1303     es1800*)
 1304         os=ose
 1305         ;;
 1306     # Some version numbers need modification
 1307     chorusos*)
 1308         os=chorusos
 1309         ;;
 1310     isc)
 1311         os=isc2.2
 1312         ;;
 1313     sco6)
 1314         os=sco5v6
 1315         ;;
 1316     sco5)
 1317         os=sco3.2v5
 1318         ;;
 1319     sco4)
 1320         os=sco3.2v4
 1321         ;;
 1322     sco3.2.[4-9]*)
 1323         os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
 1324         ;;
 1325     sco3.2v[4-9]* | sco5v6*)
 1326         # Don't forget version if it is 3.2v4 or newer.
 1327         ;;
 1328     scout)
 1329         # Don't match below
 1330         ;;
 1331     sco*)
 1332         os=sco3.2v2
 1333         ;;
 1334     psos*)
 1335         os=psos
 1336         ;;
 1337     # Now accept the basic system types.
 1338     # The portable systems comes first.
 1339     # Each alternative MUST end in a * to match a version number.
 1340     # sysv* is not here because it comes later, after sysvr4.
 1341     gnu* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
 1342          | *vms* | esix* | aix* | cnk* | sunos | sunos[34]*\
 1343          | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
 1344          | sym* | kopensolaris* | plan9* \
 1345          | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
 1346          | aos* | aros* | cloudabi* | sortix* | twizzler* \
 1347          | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
 1348          | clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
 1349          | knetbsd* | mirbsd* | netbsd* \
 1350          | bitrig* | openbsd* | solidbsd* | libertybsd* | os108* \
 1351          | ekkobsd* | kfreebsd* | freebsd* | riscix* | lynxos* \
 1352          | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
 1353          | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
 1354          | udi* | eabi* | lites* | ieee* | go32* | aux* | hcos* \
 1355          | chorusrdb* | cegcc* | glidix* \
 1356          | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
 1357          | midipix* | mingw32* | mingw64* | linux-gnu* | linux-android* \
 1358          | linux-newlib* | linux-musl* | linux-uclibc* \
 1359          | uxpv* | beos* | mpeix* | udk* | moxiebox* \
 1360          | interix* | uwin* | mks* | rhapsody* | darwin* \
 1361          | openstep* | oskit* | conix* | pw32* | nonstopux* \
 1362          | storm-chaos* | tops10* | tenex* | tops20* | its* \
 1363          | os2* | vos* | palmos* | uclinux* | nucleus* \
 1364          | morphos* | superux* | rtmk* | windiss* \
 1365          | powermax* | dnix* | nx6 | nx7 | sei* | dragonfly* \
 1366          | skyos* | haiku* | rdos* | toppers* | drops* | es* \
 1367          | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
 1368          | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
 1369          | nsk* | powerunix)
 1370     # Remember, each alternative MUST END IN *, to match a version number.
 1371         ;;
 1372     qnx*)
 1373         case $cpu in
 1374             x86 | i*86)
 1375             ;;
 1376             *)
 1377             os=nto-$os
 1378             ;;
 1379         esac
 1380         ;;
 1381     hiux*)
 1382         os=hiuxwe2
 1383         ;;
 1384     nto-qnx*)
 1385         ;;
 1386     nto*)
 1387         os=`echo $os | sed -e 's|nto|nto-qnx|'`
 1388         ;;
 1389     sim | xray | os68k* | v88r* \
 1390         | windows* | osx | abug | netware* | os9* \
 1391         | macos* | mpw* | magic* | mmixware* | mon960* | lnews*)
 1392         ;;
 1393     linux-dietlibc)
 1394         os=linux-dietlibc
 1395         ;;
 1396     linux*)
 1397         os=`echo $os | sed -e 's|linux|linux-gnu|'`
 1398         ;;
 1399     lynx*178)
 1400         os=lynxos178
 1401         ;;
 1402     lynx*5)
 1403         os=lynxos5
 1404         ;;
 1405     lynx*)
 1406         os=lynxos
 1407         ;;
 1408     mac*)
 1409         os=`echo "$os" | sed -e 's|mac|macos|'`
 1410         ;;
 1411     opened*)
 1412         os=openedition
 1413         ;;
 1414     os400*)
 1415         os=os400
 1416         ;;
 1417     sunos5*)
 1418         os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
 1419         ;;
 1420     sunos6*)
 1421         os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
 1422         ;;
 1423     wince*)
 1424         os=wince
 1425         ;;
 1426     utek*)
 1427         os=bsd
 1428         ;;
 1429     dynix*)
 1430         os=bsd
 1431         ;;
 1432     acis*)
 1433         os=aos
 1434         ;;
 1435     atheos*)
 1436         os=atheos
 1437         ;;
 1438     syllable*)
 1439         os=syllable
 1440         ;;
 1441     386bsd)
 1442         os=bsd
 1443         ;;
 1444     ctix* | uts*)
 1445         os=sysv
 1446         ;;
 1447     nova*)
 1448         os=rtmk-nova
 1449         ;;
 1450     ns2)
 1451         os=nextstep2
 1452         ;;
 1453     # Preserve the version number of sinix5.
 1454     sinix5.*)
 1455         os=`echo $os | sed -e 's|sinix|sysv|'`
 1456         ;;
 1457     sinix*)
 1458         os=sysv4
 1459         ;;
 1460     tpf*)
 1461         os=tpf
 1462         ;;
 1463     triton*)
 1464         os=sysv3
 1465         ;;
 1466     oss*)
 1467         os=sysv3
 1468         ;;
 1469     svr4*)
 1470         os=sysv4
 1471         ;;
 1472     svr3)
 1473         os=sysv3
 1474         ;;
 1475     sysvr4)
 1476         os=sysv4
 1477         ;;
 1478     # This must come after sysvr4.
 1479     sysv*)
 1480         ;;
 1481     ose*)
 1482         os=ose
 1483         ;;
 1484     *mint | mint[0-9]* | *MiNT | MiNT[0-9]*)
 1485         os=mint
 1486         ;;
 1487     zvmoe)
 1488         os=zvmoe
 1489         ;;
 1490     dicos*)
 1491         os=dicos
 1492         ;;
 1493     pikeos*)
 1494         # Until real need of OS specific support for
 1495         # particular features comes up, bare metal
 1496         # configurations are quite functional.
 1497         case $cpu in
 1498             arm*)
 1499             os=eabi
 1500             ;;
 1501             *)
 1502             os=elf
 1503             ;;
 1504         esac
 1505         ;;
 1506     nacl*)
 1507         ;;
 1508     ios)
 1509         ;;
 1510     none)
 1511         ;;
 1512     *-eabi)
 1513         ;;
 1514     *)
 1515         echo Invalid configuration \`"$1"\': system \`"$os"\' not recognized 1>&2
 1516         exit 1
 1517         ;;
 1518 esac
 1519 else
 1520 
 1521 # Here we handle the default operating systems that come with various machines.
 1522 # The value should be what the vendor currently ships out the door with their
 1523 # machine or put another way, the most popular os provided with the machine.
 1524 
 1525 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 1526 # "-sun"), then you have to tell the case statement up towards the top
 1527 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 1528 # will signal an error saying that MANUFACTURER isn't an operating
 1529 # system, and we'll never get to this point.
 1530 
 1531 case $cpu-$vendor in
 1532     score-*)
 1533         os=elf
 1534         ;;
 1535     spu-*)
 1536         os=elf
 1537         ;;
 1538     *-acorn)
 1539         os=riscix1.2
 1540         ;;
 1541     arm*-rebel)
 1542         os=linux
 1543         ;;
 1544     arm*-semi)
 1545         os=aout
 1546         ;;
 1547     c4x-* | tic4x-*)
 1548         os=coff
 1549         ;;
 1550     c8051-*)
 1551         os=elf
 1552         ;;
 1553     clipper-intergraph)
 1554         os=clix
 1555         ;;
 1556     hexagon-*)
 1557         os=elf
 1558         ;;
 1559     tic54x-*)
 1560         os=coff
 1561         ;;
 1562     tic55x-*)
 1563         os=coff
 1564         ;;
 1565     tic6x-*)
 1566         os=coff
 1567         ;;
 1568     # This must come before the *-dec entry.
 1569     pdp10-*)
 1570         os=tops20
 1571         ;;
 1572     pdp11-*)
 1573         os=none
 1574         ;;
 1575     *-dec | vax-*)
 1576         os=ultrix4.2
 1577         ;;
 1578     m68*-apollo)
 1579         os=domain
 1580         ;;
 1581     i386-sun)
 1582         os=sunos4.0.2
 1583         ;;
 1584     m68000-sun)
 1585         os=sunos3
 1586         ;;
 1587     m68*-cisco)
 1588         os=aout
 1589         ;;
 1590     mep-*)
 1591         os=elf
 1592         ;;
 1593     mips*-cisco)
 1594         os=elf
 1595         ;;
 1596     mips*-*)
 1597         os=elf
 1598         ;;
 1599     or32-*)
 1600         os=coff
 1601         ;;
 1602     *-tti)  # must be before sparc entry or we get the wrong os.
 1603         os=sysv3
 1604         ;;
 1605     sparc-* | *-sun)
 1606         os=sunos4.1.1
 1607         ;;
 1608     pru-*)
 1609         os=elf
 1610         ;;
 1611     *-be)
 1612         os=beos
 1613         ;;
 1614     *-ibm)
 1615         os=aix
 1616         ;;
 1617     *-knuth)
 1618         os=mmixware
 1619         ;;
 1620     *-wec)
 1621         os=proelf
 1622         ;;
 1623     *-winbond)
 1624         os=proelf
 1625         ;;
 1626     *-oki)
 1627         os=proelf
 1628         ;;
 1629     *-hp)
 1630         os=hpux
 1631         ;;
 1632     *-hitachi)
 1633         os=hiux
 1634         ;;
 1635     i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 1636         os=sysv
 1637         ;;
 1638     *-cbm)
 1639         os=amigaos
 1640         ;;
 1641     *-dg)
 1642         os=dgux
 1643         ;;
 1644     *-dolphin)
 1645         os=sysv3
 1646         ;;
 1647     m68k-ccur)
 1648         os=rtu
 1649         ;;
 1650     m88k-omron*)
 1651         os=luna
 1652         ;;
 1653     *-next)
 1654         os=nextstep
 1655         ;;
 1656     *-sequent)
 1657         os=ptx
 1658         ;;
 1659     *-crds)
 1660         os=unos
 1661         ;;
 1662     *-ns)
 1663         os=genix
 1664         ;;
 1665     i370-*)
 1666         os=mvs
 1667         ;;
 1668     *-gould)
 1669         os=sysv
 1670         ;;
 1671     *-highlevel)
 1672         os=bsd
 1673         ;;
 1674     *-encore)
 1675         os=bsd
 1676         ;;
 1677     *-sgi)
 1678         os=irix
 1679         ;;
 1680     *-siemens)
 1681         os=sysv4
 1682         ;;
 1683     *-masscomp)
 1684         os=rtu
 1685         ;;
 1686     f30[01]-fujitsu | f700-fujitsu)
 1687         os=uxpv
 1688         ;;
 1689     *-rom68k)
 1690         os=coff
 1691         ;;
 1692     *-*bug)
 1693         os=coff
 1694         ;;
 1695     *-apple)
 1696         os=macos
 1697         ;;
 1698     *-atari*)
 1699         os=mint
 1700         ;;
 1701     *-wrs)
 1702         os=vxworks
 1703         ;;
 1704     *)
 1705         os=none
 1706         ;;
 1707 esac
 1708 fi
 1709 
 1710 # Here we handle the case where we know the os, and the CPU type, but not the
 1711 # manufacturer.  We pick the logical manufacturer.
 1712 case $vendor in
 1713     unknown)
 1714         case $os in
 1715             riscix*)
 1716                 vendor=acorn
 1717                 ;;
 1718             sunos*)
 1719                 vendor=sun
 1720                 ;;
 1721             cnk*|-aix*)
 1722                 vendor=ibm
 1723                 ;;
 1724             beos*)
 1725                 vendor=be
 1726                 ;;
 1727             hpux*)
 1728                 vendor=hp
 1729                 ;;
 1730             mpeix*)
 1731                 vendor=hp
 1732                 ;;
 1733             hiux*)
 1734                 vendor=hitachi
 1735                 ;;
 1736             unos*)
 1737                 vendor=crds
 1738                 ;;
 1739             dgux*)
 1740                 vendor=dg
 1741                 ;;
 1742             luna*)
 1743                 vendor=omron
 1744                 ;;
 1745             genix*)
 1746                 vendor=ns
 1747                 ;;
 1748             clix*)
 1749                 vendor=intergraph
 1750                 ;;
 1751             mvs* | opened*)
 1752                 vendor=ibm
 1753                 ;;
 1754             os400*)
 1755                 vendor=ibm
 1756                 ;;
 1757             ptx*)
 1758                 vendor=sequent
 1759                 ;;
 1760             tpf*)
 1761                 vendor=ibm
 1762                 ;;
 1763             vxsim* | vxworks* | windiss*)
 1764                 vendor=wrs
 1765                 ;;
 1766             aux*)
 1767                 vendor=apple
 1768                 ;;
 1769             hms*)
 1770                 vendor=hitachi
 1771                 ;;
 1772             mpw* | macos*)
 1773                 vendor=apple
 1774                 ;;
 1775             *mint | mint[0-9]* | *MiNT | MiNT[0-9]*)
 1776                 vendor=atari
 1777                 ;;
 1778             vos*)
 1779                 vendor=stratus
 1780                 ;;
 1781         esac
 1782         ;;
 1783 esac
 1784 
 1785 echo "$cpu-$vendor-$os"
 1786 exit
 1787 
 1788 # Local variables:
 1789 # eval: (add-hook 'before-save-hook 'time-stamp)
 1790 # time-stamp-start: "timestamp='"
 1791 # time-stamp-format: "%:y-%02m-%02d"
 1792 # time-stamp-end: "'"
 1793 # End: