config.sub

   1 #! /bin/sh
   2 # Configuration validation subroutine script.
   3 #   Copyright 1992-2021 Free Software Foundation, Inc.
   4
   5 # shellcheck disable=SC2006,SC2268 # see below for rationale
   6
   7 timestamp='2021-07-03'
   8
   9 # This file is free software; you can redistribute it and/or modify it
  10 # under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 3 of the License, or
  12 # (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful, but
  15 # WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17 # General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program; if not, see <https://www.gnu.org/licenses/>.
  21 #
  22 # As a special exception to the GNU General Public License, if you
  23 # distribute this file as part of a program that contains a
  24 # configuration script generated by Autoconf, you may include it under
  25 # the same distribution terms that you use for the rest of that
  26 # program.  This Exception is an additional permission under section 7
  27 # of the GNU General Public License, version 3 ("GPLv3").
  28
  29
  30 # Please send patches to <config-patches@gnu.org>.
  31 #
  32 # Configuration subroutine to validate and canonicalize a configuration type.
  33 # Supply the specified configuration type as an argument.
  34 # If it is invalid, we print an error message on stderr and exit with code 1.
  35 # Otherwise, we print the canonical config type on stdout and succeed.
  36
  37 # You can get the latest version of this script from:
  38 # https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
  39
  40 # This file is supposed to be the same for all GNU packages
  41 # and recognize all the CPU types, system types and aliases
  42 # that are meaningful with *any* GNU software.
  43 # Each package is responsible for reporting which valid configurations
  44 # it does not support.  The user should be able to distinguish
  45 # a failure to support a valid configuration from a meaningless
  46 # configuration.
  47
  48 # The goal of this file is to map all the various variations of a given
  49 # machine specification into a single specification in the form:
  50 #       CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
  51 # or in some cases, the newer four-part form:
  52 #       CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
  53 # It is wrong to echo any other type of specification.
  54
  55 # The "shellcheck disable" line above the timestamp inhibits complaints
  56 # about features and limitations of the classic Bourne shell that were
  57 # superseded or lifted in POSIX.  However, this script identifies a wide
  58 # variety of pre-POSIX systems that do not have POSIX shells at all, and
  59 # even some reasonably current systems (Solaris 10 as case-in-point) still
  60 # have a pre-POSIX /bin/sh.
  61
  62 me=`echo "$0" | sed -e 's,.*/,,'`
  63
  64 usage="\
  65 Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
  66
  67 Canonicalize a configuration name.
  68
  69 Options:
  70   -h, --help         print this help, then exit
  71   -t, --time-stamp   print date of last modification, then exit
  72   -v, --version      print version number, then exit
  73
  74 Report bugs and patches to <config-patches@gnu.org>."
  75
  76 version="\
  77 GNU config.sub ($timestamp)
  78
  79 Copyright 1992-2021 Free Software Foundation, Inc.
  80
  81 This is free software; see the source for copying conditions.  There is NO
  82 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
  83
  84 help="
  85 Try \`$me --help' for more information."
  86
  87 # Parse command line
  88 while test $# -gt 0 ; do
  89   case $1 in
  90     --time-stamp | --time* | -t )
  91        echo "$timestamp" ; exit ;;
  92     --version | -v )
  93        echo "$version" ; exit ;;
  94     --help | --h* | -h )
  95        echo "$usage"; exit ;;
  96     -- )     # Stop option processing
  97        shift; break ;;
  98     - ) # Use stdin as input.
  99        break ;;
 100     -* )
 101        echo "$me: invalid option $1$help" >&2
 102        exit 1 ;;
 103
 104     *local*)
 105        # First pass through any local machine types.
 106        echo "$1"
 107        exit ;;
 108
 109     * )
 110        break ;;
 111   esac
 112 done
 113
 114 case $# in
 115  0) echo "$me: missing argument$help" >&2
 116     exit 1;;
 117  1) ;;
 118  *) echo "$me: too many arguments$help" >&2
 119     exit 1;;
 120 esac
 121
 122 # Split fields of configuration type
 123 # shellcheck disable=SC2162
 124 IFS="-" read field1 field2 field3 field4 <<EOF
 125 $1
 126 EOF
 127
 128 # Separate into logical components for further validation
 129 case $1 in
 130         *-*-*-*-*)
 131                 echo Invalid configuration \`"$1"\': more than four components >&2
 132                 exit 1
 133                 ;;
 134         *-*-*-*)
 135                 basic_machine=$field1-$field2
 136                 basic_os=$field3-$field4
 137                 ;;
 138         *-*-*)
 139                 # Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two
 140                 # parts
 141                 maybe_os=$field2-$field3
 142                 case $maybe_os in
 143                         nto-qnx* | linux-* | uclinux-uclibc* \
 144                         | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \
 145                         | netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \
 146                         | storm-chaos* | os2-emx* | rtmk-nova*)
 147                                 basic_machine=$field1
 148                                 basic_os=$maybe_os
 149                                 ;;
 150                         android-linux)
 151                                 basic_machine=$field1-unknown
 152                                 basic_os=linux-android
 153                                 ;;
 154                         *)
 155                                 basic_machine=$field1-$field2
 156                                 basic_os=$field3
 157                                 ;;
 158                 esac
 159                 ;;
 160         *-*)
 161                 # A lone config we happen to match not fitting any pattern
 162                 case $field1-$field2 in
 163                         decstation-3100)
 164                                 basic_machine=mips-dec
 165                                 basic_os=
 166                                 ;;
 167                         *-*)
 168                                 # Second component is usually, but not always the OS
 169                                 case $field2 in
 170                                         # Prevent following clause from handling this valid os
 171                                         sun*os*)
 172                                                 basic_machine=$field1
 173                                                 basic_os=$field2
 174                                                 ;;
 175                                         # Manufacturers
 176                                         dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \
 177                                         | att* | 7300* | 3300* | delta* | motorola* | sun[234]* \
 178                                         | unicom* | ibm* | next | hp | isi* | apollo | altos* \
 179                                         | convergent* | ncr* | news | 32* | 3600* | 3100* \
 180                                         | hitachi* | c[123]* | convex* | sun | crds | omron* | dg \
 181                                         | ultra | tti* | harris | dolphin | highlevel | gould \
 182                                         | cbm | ns | masscomp | apple | axis | knuth | cray \
 183                                         | microblaze* | sim | cisco \
 184                                         | oki | wec | wrs | winbond)
 185                                                 basic_machine=$field1-$field2
 186                                                 basic_os=
 187                                                 ;;
 188                                         *)
 189                                                 basic_machine=$field1
 190                                                 basic_os=$field2
 191                                                 ;;
 192                                 esac
 193                         ;;
 194                 esac
 195                 ;;
 196         *)
 197                 # Convert single-component short-hands not valid as part of
 198                 # multi-component configurations.
 199                 case $field1 in
 200                         386bsd)
 201                                 basic_machine=i386-pc
 202                                 basic_os=bsd
 203                                 ;;
 204                         a29khif)
 205                                 basic_machine=a29k-amd
 206                                 basic_os=udi
 207                                 ;;
 208                         adobe68k)
 209                                 basic_machine=m68010-adobe
 210                                 basic_os=scout
 211                                 ;;
 212                         alliant)
 213                                 basic_machine=fx80-alliant
 214                                 basic_os=
 215                                 ;;
 216                         altos | altos3068)
 217                                 basic_machine=m68k-altos
 218                                 basic_os=
 219                                 ;;
 220                         am29k)
 221                                 basic_machine=a29k-none
 222                                 basic_os=bsd
 223                                 ;;
 224                         amdahl)
 225                                 basic_machine=580-amdahl
 226                                 basic_os=sysv
 227                                 ;;
 228                         amiga)
 229                                 basic_machine=m68k-unknown
 230                                 basic_os=
 231                                 ;;
 232                         amigaos | amigados)
 233                                 basic_machine=m68k-unknown
 234                                 basic_os=amigaos
 235                                 ;;
 236                         amigaunix | amix)
 237                                 basic_machine=m68k-unknown
 238                                 basic_os=sysv4
 239                                 ;;
 240                         apollo68)
 241                                 basic_machine=m68k-apollo
 242                                 basic_os=sysv
 243                                 ;;
 244                         apollo68bsd)
 245                                 basic_machine=m68k-apollo
 246                                 basic_os=bsd
 247                                 ;;
 248                         aros)
 249                                 basic_machine=i386-pc
 250                                 basic_os=aros
 251                                 ;;
 252                         aux)
 253                                 basic_machine=m68k-apple
 254                                 basic_os=aux
 255                                 ;;
 256                         balance)
 257                                 basic_machine=ns32k-sequent
 258                                 basic_os=dynix
 259                                 ;;
 260                         blackfin)
 261                                 basic_machine=bfin-unknown
 262                                 basic_os=linux
 263                                 ;;
 264                         cegcc)
 265                                 basic_machine=arm-unknown
 266                                 basic_os=cegcc
 267                                 ;;
 268                         convex-c1)
 269                                 basic_machine=c1-convex
 270                                 basic_os=bsd
 271                                 ;;
 272                         convex-c2)
 273                                 basic_machine=c2-convex
 274                                 basic_os=bsd
 275                                 ;;
 276                         convex-c32)
 277                                 basic_machine=c32-convex
 278                                 basic_os=bsd
 279                                 ;;
 280                         convex-c34)
 281                                 basic_machine=c34-convex
 282                                 basic_os=bsd
 283                                 ;;
 284                         convex-c38)
 285                                 basic_machine=c38-convex
 286                                 basic_os=bsd
 287                                 ;;
 288                         cray)
 289                                 basic_machine=j90-cray
 290                                 basic_os=unicos
 291                                 ;;
 292                         crds | unos)
 293                                 basic_machine=m68k-crds
 294                                 basic_os=
 295                                 ;;
 296                         da30)
 297                                 basic_machine=m68k-da30
 298                                 basic_os=
 299                                 ;;
 300                         decstation | pmax | pmin | dec3100 | decstatn)
 301                                 basic_machine=mips-dec
 302                                 basic_os=
 303                                 ;;
 304                         delta88)
 305                                 basic_machine=m88k-motorola
 306                                 basic_os=sysv3
 307                                 ;;
 308                         dicos)
 309                                 basic_machine=i686-pc
 310                                 basic_os=dicos
 311                                 ;;
 312                         djgpp)
 313                                 basic_machine=i586-pc
 314                                 basic_os=msdosdjgpp
 315                                 ;;
 316                         ebmon29k)
 317                                 basic_machine=a29k-amd
 318                                 basic_os=ebmon
 319                                 ;;
 320                         es1800 | OSE68k | ose68k | ose | OSE)
 321                                 basic_machine=m68k-ericsson
 322                                 basic_os=ose
 323                                 ;;
 324                         gmicro)
 325                                 basic_machine=tron-gmicro
 326                                 basic_os=sysv
 327                                 ;;
 328                         go32)
 329                                 basic_machine=i386-pc
 330                                 basic_os=go32
 331                                 ;;
 332                         h8300hms)
 333                                 basic_machine=h8300-hitachi
 334                                 basic_os=hms
 335                                 ;;
 336                         h8300xray)
 337                                 basic_machine=h8300-hitachi
 338                                 basic_os=xray
 339                                 ;;
 340                         h8500hms)
 341                                 basic_machine=h8500-hitachi
 342                                 basic_os=hms
 343                                 ;;
 344                         harris)
 345                                 basic_machine=m88k-harris
 346                                 basic_os=sysv3
 347                                 ;;
 348                         hp300 | hp300hpux)
 349                                 basic_machine=m68k-hp
 350                                 basic_os=hpux
 351                                 ;;
 352                         hp300bsd)
 353                                 basic_machine=m68k-hp
 354                                 basic_os=bsd
 355                                 ;;
 356                         hppaosf)
 357                                 basic_machine=hppa1.1-hp
 358                                 basic_os=osf
 359                                 ;;
 360                         hppro)
 361                                 basic_machine=hppa1.1-hp
 362                                 basic_os=proelf
 363                                 ;;
 364                         i386mach)
 365                                 basic_machine=i386-mach
 366                                 basic_os=mach
 367                                 ;;
 368                         isi68 | isi)
 369                                 basic_machine=m68k-isi
 370                                 basic_os=sysv
 371                                 ;;
 372                         m68knommu)
 373                                 basic_machine=m68k-unknown
 374                                 basic_os=linux
 375                                 ;;
 376                         magnum | m3230)
 377                                 basic_machine=mips-mips
 378                                 basic_os=sysv
 379                                 ;;
 380                         merlin)
 381                                 basic_machine=ns32k-utek
 382                                 basic_os=sysv
 383                                 ;;
 384                         mingw64)
 385                                 basic_machine=x86_64-pc
 386                                 basic_os=mingw64
 387                                 ;;
 388                         mingw32)
 389                                 basic_machine=i686-pc
 390                                 basic_os=mingw32
 391                                 ;;
 392                         mingw32ce)
 393                                 basic_machine=arm-unknown
 394                                 basic_os=mingw32ce
 395                                 ;;
 396                         monitor)
 397                                 basic_machine=m68k-rom68k
 398                                 basic_os=coff
 399                                 ;;
 400                         morphos)
 401                                 basic_machine=powerpc-unknown
 402                                 basic_os=morphos
 403                                 ;;
 404                         moxiebox)
 405                                 basic_machine=moxie-unknown
 406                                 basic_os=moxiebox
 407                                 ;;
 408                         msdos)
 409                                 basic_machine=i386-pc
 410                                 basic_os=msdos
 411                                 ;;
 412                         msys)
 413                                 basic_machine=i686-pc
 414                                 basic_os=msys
 415                                 ;;
 416                         mvs)
 417                                 basic_machine=i370-ibm
 418                                 basic_os=mvs
 419                                 ;;
 420                         nacl)
 421                                 basic_machine=le32-unknown
 422                                 basic_os=nacl
 423                                 ;;
 424                         ncr3000)
 425                                 basic_machine=i486-ncr
 426                                 basic_os=sysv4
 427                                 ;;
 428                         netbsd386)
 429                                 basic_machine=i386-pc
 430                                 basic_os=netbsd
 431                                 ;;
 432                         netwinder)
 433                                 basic_machine=armv4l-rebel
 434                                 basic_os=linux
 435                                 ;;
 436                         news | news700 | news800 | news900)
 437                                 basic_machine=m68k-sony
 438                                 basic_os=newsos
 439                                 ;;
 440                         news1000)
 441                                 basic_machine=m68030-sony
 442                                 basic_os=newsos
 443                                 ;;
 444                         necv70)
 445                                 basic_machine=v70-nec
 446                                 basic_os=sysv
 447                                 ;;
 448                         nh3000)
 449                                 basic_machine=m68k-harris
 450                                 basic_os=cxux
 451                                 ;;
 452                         nh[45]000)
 453                                 basic_machine=m88k-harris
 454                                 basic_os=cxux
 455                                 ;;
 456                         nindy960)
 457                                 basic_machine=i960-intel
 458                                 basic_os=nindy
 459                                 ;;
 460                         mon960)
 461                                 basic_machine=i960-intel
 462                                 basic_os=mon960
 463                                 ;;
 464                         nonstopux)
 465                                 basic_machine=mips-compaq
 466                                 basic_os=nonstopux
 467                                 ;;
 468                         os400)
 469                                 basic_machine=powerpc-ibm
 470                                 basic_os=os400
 471                                 ;;
 472                         OSE68000 | ose68000)
 473                                 basic_machine=m68000-ericsson
 474                                 basic_os=ose
 475                                 ;;
 476                         os68k)
 477                                 basic_machine=m68k-none
 478                                 basic_os=os68k
 479                                 ;;
 480                         paragon)
 481                                 basic_machine=i860-intel
 482                                 basic_os=osf
 483                                 ;;
 484                         parisc)
 485                                 basic_machine=hppa-unknown
 486                                 basic_os=linux
 487                                 ;;
 488                         psp)
 489                                 basic_machine=mipsallegrexel-sony
 490                                 basic_os=psp
 491                                 ;;
 492                         pw32)
 493                                 basic_machine=i586-unknown
 494                                 basic_os=pw32
 495                                 ;;
 496                         rdos | rdos64)
 497                                 basic_machine=x86_64-pc
 498                                 basic_os=rdos
 499                                 ;;
 500                         rdos32)
 501                                 basic_machine=i386-pc
 502                                 basic_os=rdos
 503                                 ;;
 504                         rom68k)
 505                                 basic_machine=m68k-rom68k
 506                                 basic_os=coff
 507                                 ;;
 508                         sa29200)
 509                                 basic_machine=a29k-amd
 510                                 basic_os=udi
 511                                 ;;
 512                         sei)
 513                                 basic_machine=mips-sei
 514                                 basic_os=seiux
 515                                 ;;
 516                         sequent)
 517                                 basic_machine=i386-sequent
 518                                 basic_os=
 519                                 ;;
 520                         sps7)
 521                                 basic_machine=m68k-bull
 522                                 basic_os=sysv2
 523                                 ;;
 524                         st2000)
 525                                 basic_machine=m68k-tandem
 526                                 basic_os=
 527                                 ;;
 528                         stratus)
 529                                 basic_machine=i860-stratus
 530                                 basic_os=sysv4
 531                                 ;;
 532                         sun2)
 533                                 basic_machine=m68000-sun
 534                                 basic_os=
 535                                 ;;
 536                         sun2os3)
 537                                 basic_machine=m68000-sun
 538                                 basic_os=sunos3
 539                                 ;;
 540                         sun2os4)
 541                                 basic_machine=m68000-sun
 542                                 basic_os=sunos4
 543                                 ;;
 544                         sun3)
 545                                 basic_machine=m68k-sun
 546                                 basic_os=
 547                                 ;;
 548                         sun3os3)
 549                                 basic_machine=m68k-sun
 550                                 basic_os=sunos3
 551                                 ;;
 552                         sun3os4)
 553                                 basic_machine=m68k-sun
 554                                 basic_os=sunos4
 555                                 ;;
 556                         sun4)
 557                                 basic_machine=sparc-sun
 558                                 basic_os=
 559                                 ;;
 560                         sun4os3)
 561                                 basic_machine=sparc-sun
 562                                 basic_os=sunos3
 563                                 ;;
 564                         sun4os4)
 565                                 basic_machine=sparc-sun
 566                                 basic_os=sunos4
 567                                 ;;
 568                         sun4sol2)
 569                                 basic_machine=sparc-sun
 570                                 basic_os=solaris2
 571                                 ;;
 572                         sun386 | sun386i | roadrunner)
 573                                 basic_machine=i386-sun
 574                                 basic_os=
 575                                 ;;
 576                         sv1)
 577                                 basic_machine=sv1-cray
 578                                 basic_os=unicos
 579                                 ;;
 580                         symmetry)
 581                                 basic_machine=i386-sequent
 582                                 basic_os=dynix
 583                                 ;;
 584                         t3e)
 585                                 basic_machine=alphaev5-cray
 586                                 basic_os=unicos
 587                                 ;;
 588                         t90)
 589                                 basic_machine=t90-cray
 590                                 basic_os=unicos
 591                                 ;;
 592                         toad1)
 593                                 basic_machine=pdp10-xkl
 594                                 basic_os=tops20
 595                                 ;;
 596                         tpf)
 597                                 basic_machine=s390x-ibm
 598                                 basic_os=tpf
 599                                 ;;
 600                         udi29k)
 601                                 basic_machine=a29k-amd
 602                                 basic_os=udi
 603                                 ;;
 604                         ultra3)
 605                                 basic_machine=a29k-nyu
 606                                 basic_os=sym1
 607                                 ;;
 608                         v810 | necv810)
 609                                 basic_machine=v810-nec
 610                                 basic_os=none
 611                                 ;;
 612                         vaxv)
 613                                 basic_machine=vax-dec
 614                                 basic_os=sysv
 615                                 ;;
 616                         vms)
 617                                 basic_machine=vax-dec
 618                                 basic_os=vms
 619                                 ;;
 620                         vsta)
 621                                 basic_machine=i386-pc
 622                                 basic_os=vsta
 623                                 ;;
 624                         vxworks960)
 625                                 basic_machine=i960-wrs
 626                                 basic_os=vxworks
 627                                 ;;
 628                         vxworks68)
 629                                 basic_machine=m68k-wrs
 630                                 basic_os=vxworks
 631                                 ;;
 632                         vxworks29k)
 633                                 basic_machine=a29k-wrs
 634                                 basic_os=vxworks
 635                                 ;;
 636                         xbox)
 637                                 basic_machine=i686-pc
 638                                 basic_os=mingw32
 639                                 ;;
 640                         ymp)
 641                                 basic_machine=ymp-cray
 642                                 basic_os=unicos
 643                                 ;;
 644                         *)
 645                                 basic_machine=$1
 646                                 basic_os=
 647                                 ;;
 648                 esac
 649                 ;;
 650 esac
 651
 652 # Decode 1-component or ad-hoc basic machines
 653 case $basic_machine in
 654         # Here we handle the default manufacturer of certain CPU types.  It is in
 655         # some cases the only manufacturer, in others, it is the most popular.
 656         w89k)
 657                 cpu=hppa1.1
 658                 vendor=winbond
 659                 ;;
 660         op50n)
 661                 cpu=hppa1.1
 662                 vendor=oki
 663                 ;;
 664         op60c)
 665                 cpu=hppa1.1
 666                 vendor=oki
 667                 ;;
 668         ibm*)
 669                 cpu=i370
 670                 vendor=ibm
 671                 ;;
 672         orion105)
 673                 cpu=clipper
 674                 vendor=highlevel
 675                 ;;
 676         mac | mpw | mac-mpw)
 677                 cpu=m68k
 678                 vendor=apple
 679                 ;;
 680         pmac | pmac-mpw)
 681                 cpu=powerpc
 682                 vendor=apple
 683                 ;;
 684
 685         # Recognize the various machine names and aliases which stand
 686         # for a CPU type and a company and sometimes even an OS.
 687         3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 688                 cpu=m68000
 689                 vendor=att
 690                 ;;
 691         3b*)
 692                 cpu=we32k
 693                 vendor=att
 694                 ;;
 695         bluegene*)
 696                 cpu=powerpc
 697                 vendor=ibm
 698                 basic_os=cnk
 699                 ;;
 700         decsystem10* | dec10*)
 701                 cpu=pdp10
 702                 vendor=dec
 703                 basic_os=tops10
 704                 ;;
 705         decsystem20* | dec20*)
 706                 cpu=pdp10
 707                 vendor=dec
 708                 basic_os=tops20
 709                 ;;
 710         delta | 3300 | motorola-3300 | motorola-delta \
 711               | 3300-motorola | delta-motorola)
 712                 cpu=m68k
 713                 vendor=motorola
 714                 ;;
 715         dpx2*)
 716                 cpu=m68k
 717                 vendor=bull
 718                 basic_os=sysv3
 719                 ;;
 720         encore | umax | mmax)
 721                 cpu=ns32k
 722                 vendor=encore
 723                 ;;
 724         elxsi)
 725                 cpu=elxsi
 726                 vendor=elxsi
 727                 basic_os=${basic_os:-bsd}
 728                 ;;
 729         fx2800)
 730                 cpu=i860
 731                 vendor=alliant
 732                 ;;
 733         genix)
 734                 cpu=ns32k
 735                 vendor=ns
 736                 ;;
 737         h3050r* | hiux*)
 738                 cpu=hppa1.1
 739                 vendor=hitachi
 740                 basic_os=hiuxwe2
 741                 ;;
 742         hp3k9[0-9][0-9] | hp9[0-9][0-9])
 743                 cpu=hppa1.0
 744                 vendor=hp
 745                 ;;
 746         hp9k2[0-9][0-9] | hp9k31[0-9])
 747                 cpu=m68000
 748                 vendor=hp
 749                 ;;
 750         hp9k3[2-9][0-9])
 751                 cpu=m68k
 752                 vendor=hp
 753                 ;;
 754         hp9k6[0-9][0-9] | hp6[0-9][0-9])
 755                 cpu=hppa1.0
 756                 vendor=hp
 757                 ;;
 758         hp9k7[0-79][0-9] | hp7[0-79][0-9])
 759                 cpu=hppa1.1
 760                 vendor=hp
 761                 ;;
 762         hp9k78[0-9] | hp78[0-9])
 763                 # FIXME: really hppa2.0-hp
 764                 cpu=hppa1.1
 765                 vendor=hp
 766                 ;;
 767         hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
 768                 # FIXME: really hppa2.0-hp
 769                 cpu=hppa1.1
 770                 vendor=hp
 771                 ;;
 772         hp9k8[0-9][13679] | hp8[0-9][13679])
 773                 cpu=hppa1.1
 774                 vendor=hp
 775                 ;;
 776         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 777                 cpu=hppa1.0
 778                 vendor=hp
 779                 ;;
 780         i*86v32)
 781                 cpu=`echo "$1" | sed -e 's/86.*/86/'`
 782                 vendor=pc
 783                 basic_os=sysv32
 784                 ;;
 785         i*86v4*)
 786                 cpu=`echo "$1" | sed -e 's/86.*/86/'`
 787                 vendor=pc
 788                 basic_os=sysv4
 789                 ;;
 790         i*86v)
 791                 cpu=`echo "$1" | sed -e 's/86.*/86/'`
 792                 vendor=pc
 793                 basic_os=sysv
 794                 ;;
 795         i*86sol2)
 796                 cpu=`echo "$1" | sed -e 's/86.*/86/'`
 797                 vendor=pc
 798                 basic_os=solaris2
 799                 ;;
 800         j90 | j90-cray)
 801                 cpu=j90
 802                 vendor=cray
 803                 basic_os=${basic_os:-unicos}
 804                 ;;
 805         iris | iris4d)
 806                 cpu=mips
 807                 vendor=sgi
 808                 case $basic_os in
 809                     irix*)
 810                         ;;
 811                     *)
 812                         basic_os=irix4
 813                         ;;
 814                 esac
 815                 ;;
 816         miniframe)
 817                 cpu=m68000
 818                 vendor=convergent
 819                 ;;
 820         *mint | mint[0-9]* | *MiNT | *MiNT[0-9]*)
 821                 cpu=m68k
 822                 vendor=atari
 823                 basic_os=mint
 824                 ;;
 825         news-3600 | risc-news)
 826                 cpu=mips
 827                 vendor=sony
 828                 basic_os=newsos
 829                 ;;
 830         next | m*-next)
 831                 cpu=m68k
 832                 vendor=next
 833                 case $basic_os in
 834                     openstep*)
 835                         ;;
 836                     nextstep*)
 837                         ;;
 838                     ns2*)
 839                       basic_os=nextstep2
 840                         ;;
 841                     *)
 842                       basic_os=nextstep3
 843                         ;;
 844                 esac
 845                 ;;
 846         np1)
 847                 cpu=np1
 848                 vendor=gould
 849                 ;;
 850         op50n-* | op60c-*)
 851                 cpu=hppa1.1
 852                 vendor=oki
 853                 basic_os=proelf
 854                 ;;
 855         pa-hitachi)
 856                 cpu=hppa1.1
 857                 vendor=hitachi
 858                 basic_os=hiuxwe2
 859                 ;;
 860         pbd)
 861                 cpu=sparc
 862                 vendor=tti
 863                 ;;
 864         pbb)
 865                 cpu=m68k
 866                 vendor=tti
 867                 ;;
 868         pc532)
 869                 cpu=ns32k
 870                 vendor=pc532
 871                 ;;
 872         pn)
 873                 cpu=pn
 874                 vendor=gould
 875                 ;;
 876         power)
 877                 cpu=power
 878                 vendor=ibm
 879                 ;;
 880         ps2)
 881                 cpu=i386
 882                 vendor=ibm
 883                 ;;
 884         rm[46]00)
 885                 cpu=mips
 886                 vendor=siemens
 887                 ;;
 888         rtpc | rtpc-*)
 889                 cpu=romp
 890                 vendor=ibm
 891                 ;;
 892         sde)
 893                 cpu=mipsisa32
 894                 vendor=sde
 895                 basic_os=${basic_os:-elf}
 896                 ;;
 897         simso-wrs)
 898                 cpu=sparclite
 899                 vendor=wrs
 900                 basic_os=vxworks
 901                 ;;
 902         tower | tower-32)
 903                 cpu=m68k
 904                 vendor=ncr
 905                 ;;
 906         vpp*|vx|vx-*)
 907                 cpu=f301
 908                 vendor=fujitsu
 909                 ;;
 910         w65)
 911                 cpu=w65
 912                 vendor=wdc
 913                 ;;
 914         w89k-*)
 915                 cpu=hppa1.1
 916                 vendor=winbond
 917                 basic_os=proelf
 918                 ;;
 919         none)
 920                 cpu=none
 921                 vendor=none
 922                 ;;
 923         leon|leon[3-9])
 924                 cpu=sparc
 925                 vendor=$basic_machine
 926                 ;;
 927         leon-*|leon[3-9]-*)
 928                 cpu=sparc
 929                 vendor=`echo "$basic_machine" | sed 's/-.*//'`
 930                 ;;
 931
 932         *-*)
 933                 # shellcheck disable=SC2162
 934                 IFS="-" read cpu vendor <<EOF
 935 $basic_machine
 936 EOF
 937                 ;;
 938         # We use `pc' rather than `unknown'
 939         # because (1) that's what they normally are, and
 940         # (2) the word "unknown" tends to confuse beginning users.
 941         i*86 | x86_64)
 942                 cpu=$basic_machine
 943                 vendor=pc
 944                 ;;
 945         # These rules are duplicated from below for sake of the special case above;
 946         # i.e. things that normalized to x86 arches should also default to "pc"
 947         pc98)
 948                 cpu=i386
 949                 vendor=pc
 950                 ;;
 951         x64 | amd64)
 952                 cpu=x86_64
 953                 vendor=pc
 954                 ;;
 955         # Recognize the basic CPU types without company name.
 956         *)
 957                 cpu=$basic_machine
 958                 vendor=unknown
 959                 ;;
 960 esac
 961
 962 unset -v basic_machine
 963
 964 # Decode basic machines in the full and proper CPU-Company form.
 965 case $cpu-$vendor in
 966         # Here we handle the default manufacturer of certain CPU types in canonical form. It is in
 967         # some cases the only manufacturer, in others, it is the most popular.
 968         craynv-unknown)
 969                 vendor=cray
 970                 basic_os=${basic_os:-unicosmp}
 971                 ;;
 972         c90-unknown | c90-cray)
 973                 vendor=cray
 974                 basic_os=${Basic_os:-unicos}
 975                 ;;
 976         fx80-unknown)
 977                 vendor=alliant
 978                 ;;
 979         romp-unknown)
 980                 vendor=ibm
 981                 ;;
 982         mmix-unknown)
 983                 vendor=knuth
 984                 ;;
 985         microblaze-unknown | microblazeel-unknown)
 986                 vendor=xilinx
 987                 ;;
 988         rs6000-unknown)
 989                 vendor=ibm
 990                 ;;
 991         vax-unknown)
 992                 vendor=dec
 993                 ;;
 994         pdp11-unknown)
 995                 vendor=dec
 996                 ;;
 997         we32k-unknown)
 998                 vendor=att
 999                 ;;
1000         cydra-unknown)
1001                 vendor=cydrome
1002                 ;;
1003         i370-ibm*)
1004                 vendor=ibm
1005                 ;;
1006         orion-unknown)
1007                 vendor=highlevel
1008                 ;;
1009         xps-unknown | xps100-unknown)
1010                 cpu=xps100
1011                 vendor=honeywell
1012                 ;;
1013
1014         # Here we normalize CPU types with a missing or matching vendor
1015         dpx20-unknown | dpx20-bull)
1016                 cpu=rs6000
1017                 vendor=bull
1018                 basic_os=${basic_os:-bosx}
1019                 ;;
1020
1021         # Here we normalize CPU types irrespective of the vendor
1022         amd64-*)
1023                 cpu=x86_64
1024                 ;;
1025         blackfin-*)
1026                 cpu=bfin
1027                 basic_os=linux
1028                 ;;
1029         c54x-*)
1030                 cpu=tic54x
1031                 ;;
1032         c55x-*)
1033                 cpu=tic55x
1034                 ;;
1035         c6x-*)
1036                 cpu=tic6x
1037                 ;;
1038         e500v[12]-*)
1039                 cpu=powerpc
1040                 basic_os=${basic_os}"spe"
1041                 ;;
1042         mips3*-*)
1043                 cpu=mips64
1044                 ;;
1045         ms1-*)
1046                 cpu=mt
1047                 ;;
1048         m68knommu-*)
1049                 cpu=m68k
1050                 basic_os=linux
1051                 ;;
1052         m9s12z-* | m68hcs12z-* | hcs12z-* | s12z-*)
1053                 cpu=s12z
1054                 ;;
1055         openrisc-*)
1056                 cpu=or32
1057                 ;;
1058         parisc-*)
1059                 cpu=hppa
1060                 basic_os=linux
1061                 ;;
1062         pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
1063                 cpu=i586
1064                 ;;
1065         pentiumpro-* | p6-* | 6x86-* | athlon-* | athalon_*-*)
1066                 cpu=i686
1067                 ;;
1068         pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
1069                 cpu=i686
1070                 ;;
1071         pentium4-*)
1072                 cpu=i786
1073                 ;;
1074         pc98-*)
1075                 cpu=i386
1076                 ;;
1077         ppc-* | ppcbe-*)
1078                 cpu=powerpc
1079                 ;;
1080         ppcle-* | powerpclittle-*)
1081                 cpu=powerpcle
1082                 ;;
1083         ppc64-*)
1084                 cpu=powerpc64
1085                 ;;
1086         ppc64le-* | powerpc64little-*)
1087                 cpu=powerpc64le
1088                 ;;
1089         sb1-*)
1090                 cpu=mipsisa64sb1
1091                 ;;
1092         sb1el-*)
1093                 cpu=mipsisa64sb1el
1094                 ;;
1095         sh5e[lb]-*)
1096                 cpu=`echo "$cpu" | sed 's/^\(sh.\)e\(.\)$/\1\2e/'`
1097                 ;;
1098         spur-*)
1099                 cpu=spur
1100                 ;;
1101         strongarm-* | thumb-*)
1102                 cpu=arm
1103                 ;;
1104         tx39-*)
1105                 cpu=mipstx39
1106                 ;;
1107         tx39el-*)
1108                 cpu=mipstx39el
1109                 ;;
1110         x64-*)
1111                 cpu=x86_64
1112                 ;;
1113         xscale-* | xscalee[bl]-*)
1114                 cpu=`echo "$cpu" | sed 's/^xscale/arm/'`
1115                 ;;
1116         arm64-*)
1117                 cpu=aarch64
1118                 ;;
1119
1120         # Recognize the canonical CPU Types that limit and/or modify the
1121         # company names they are paired with.
1122         cr16-*)
1123                 basic_os=${basic_os:-elf}
1124                 ;;
1125         crisv32-* | etraxfs*-*)
1126                 cpu=crisv32
1127                 vendor=axis
1128                 ;;
1129         cris-* | etrax*-*)
1130                 cpu=cris
1131                 vendor=axis
1132                 ;;
1133         crx-*)
1134                 basic_os=${basic_os:-elf}
1135                 ;;
1136         neo-tandem)
1137                 cpu=neo
1138                 vendor=tandem
1139                 ;;
1140         nse-tandem)
1141                 cpu=nse
1142                 vendor=tandem
1143                 ;;
1144         nsr-tandem)
1145                 cpu=nsr
1146                 vendor=tandem
1147                 ;;
1148         nsv-tandem)
1149                 cpu=nsv
1150                 vendor=tandem
1151                 ;;
1152         nsx-tandem)
1153                 cpu=nsx
1154                 vendor=tandem
1155                 ;;
1156         mipsallegrexel-sony)
1157                 cpu=mipsallegrexel
1158                 vendor=sony
1159                 ;;
1160         tile*-*)
1161                 basic_os=${basic_os:-linux-gnu}
1162                 ;;
1163
1164         *)
1165                 # Recognize the canonical CPU types that are allowed with any
1166                 # company name.
1167                 case $cpu in
1168                         1750a | 580 \
1169                         | a29k \
1170                         | aarch64 | aarch64_be \
1171                         | abacus \
1172                         | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
1173                         | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
1174                         | alphapca5[67] | alpha64pca5[67] \
1175                         | am33_2.0 \
1176                         | amdgcn \
1177                         | arc | arceb | arc32 | arc64 \
1178                         | arm | arm[lb]e | arme[lb] | armv* \
1179                         | avr | avr32 \
1180                         | asmjs \
1181                         | ba \
1182                         | be32 | be64 \
1183                         | bfin | bpf | bs2000 \
1184                         | c[123]* | c30 | [cjt]90 | c4x \
1185                         | c8051 | clipper | craynv | csky | cydra \
1186                         | d10v | d30v | dlx | dsp16xx \
1187                         | e2k | elxsi | epiphany \
1188                         | f30[01] | f700 | fido | fr30 | frv | ft32 | fx80 \
1189                         | h8300 | h8500 \
1190                         | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
1191                         | hexagon \
1192                         | i370 | i*86 | i860 | i960 | ia16 | ia64 \
1193                         | ip2k | iq2000 \
1194                         | k1om \
1195                         | le32 | le64 \
1196                         | lm32 \
1197                         | loongarch32 | loongarch64 | loongarchx32 \
1198                         | m32c | m32r | m32rle \
1199                         | m5200 | m68000 | m680[012346]0 | m68360 | m683?2 | m68k \
1200                         | m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x \
1201                         | m88110 | m88k | maxq | mb | mcore | mep | metag \
1202                         | microblaze | microblazeel \
1203                         | mips | mipsbe | mipseb | mipsel | mipsle \
1204                         | mips16 \
1205                         | mips64 | mips64eb | mips64el \
1206                         | mips64octeon | mips64octeonel \
1207                         | mips64orion | mips64orionel \
1208                         | mips64r5900 | mips64r5900el \
1209                         | mips64vr | mips64vrel \
1210                         | mips64vr4100 | mips64vr4100el \
1211                         | mips64vr4300 | mips64vr4300el \
1212                         | mips64vr5000 | mips64vr5000el \
1213                         | mips64vr5900 | mips64vr5900el \
1214                         | mipsisa32 | mipsisa32el \
1215                         | mipsisa32r2 | mipsisa32r2el \
1216                         | mipsisa32r3 | mipsisa32r3el \
1217                         | mipsisa32r5 | mipsisa32r5el \
1218                         | mipsisa32r6 | mipsisa32r6el \
1219                         | mipsisa64 | mipsisa64el \
1220                         | mipsisa64r2 | mipsisa64r2el \
1221                         | mipsisa64r3 | mipsisa64r3el \
1222                         | mipsisa64r5 | mipsisa64r5el \
1223                         | mipsisa64r6 | mipsisa64r6el \
1224                         | mipsisa64sb1 | mipsisa64sb1el \
1225                         | mipsisa64sr71k | mipsisa64sr71kel \
1226                         | mipsr5900 | mipsr5900el \
1227                         | mipstx39 | mipstx39el \
1228                         | mmix \
1229                         | mn10200 | mn10300 \
1230                         | moxie \
1231                         | mt \
1232                         | msp430 \
1233                         | nds32 | nds32le | nds32be \
1234                         | nfp \
1235                         | nios | nios2 | nios2eb | nios2el \
1236                         | none | np1 | ns16k | ns32k | nvptx \
1237                         | open8 \
1238                         | or1k* \
1239                         | or32 \
1240                         | orion \
1241                         | picochip \
1242                         | pdp10 | pdp11 | pj | pjl | pn | power \
1243                         | powerpc | powerpc64 | powerpc64le | powerpcle | powerpcspe \
1244                         | pru \
1245                         | pyramid \
1246                         | riscv | riscv32 | riscv32be | riscv64 | riscv64be \
1247                         | rl78 | romp | rs6000 | rx \
1248                         | s390 | s390x \
1249                         | score \
1250                         | sh | shl \
1251                         | sh[1234] | sh[24]a | sh[24]ae[lb] | sh[23]e | she[lb] | sh[lb]e \
1252                         | sh[1234]e[lb] |  sh[12345][lb]e | sh[23]ele | sh64 | sh64le \
1253                         | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet \
1254                         | sparclite \
1255                         | sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
1256                         | spu \
1257                         | tahoe \
1258                         | thumbv7* \
1259                         | tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
1260                         | tron \
1261                         | ubicom32 \
1262                         | v70 | v850 | v850e | v850e1 | v850es | v850e2 | v850e2v3 \
1263                         | vax \
1264                         | visium \
1265                         | w65 \
1266                         | wasm32 | wasm64 \
1267                         | we32k \
1268                         | x86 | x86_64 | xc16x | xgate | xps100 \
1269                         | xstormy16 | xtensa* \
1270                         | ymp \
1271                         | z8k | z80)
1272                                 ;;
1273
1274                         *)
1275                                 echo Invalid configuration \`"$1"\': machine \`"$cpu-$vendor"\' not recognized 1>&2
1276                                 exit 1
1277                                 ;;
1278                 esac
1279                 ;;
1280 esac
1281
1282 # Here we canonicalize certain aliases for manufacturers.
1283 case $vendor in
1284         digital*)
1285                 vendor=dec
1286                 ;;
1287         commodore*)
1288                 vendor=cbm
1289                 ;;
1290         *)
1291                 ;;
1292 esac
1293
1294 # Decode manufacturer-specific aliases for certain operating systems.
1295
1296 if test x$basic_os != x
1297 then
1298
1299 # First recognize some ad-hoc caes, or perhaps split kernel-os, or else just
1300 # set os.
1301 case $basic_os in
1302         gnu/linux*)
1303                 kernel=linux
1304                 os=`echo "$basic_os" | sed -e 's|gnu/linux|gnu|'`
1305                 ;;
1306         os2-emx)
1307                 kernel=os2
1308                 os=`echo "$basic_os" | sed -e 's|os2-emx|emx|'`
1309                 ;;
1310         nto-qnx*)
1311                 kernel=nto
1312                 os=`echo "$basic_os" | sed -e 's|nto-qnx|qnx|'`
1313                 ;;
1314         *-*)
1315                 # shellcheck disable=SC2162
1316                 IFS="-" read kernel os <<EOF
1317 $basic_os
1318 EOF
1319                 ;;
1320         # Default OS when just kernel was specified
1321         nto*)
1322                 kernel=nto
1323                 os=`echo "$basic_os" | sed -e 's|nto|qnx|'`
1324                 ;;
1325         linux*)
1326                 kernel=linux
1327                 os=`echo "$basic_os" | sed -e 's|linux|gnu|'`
1328                 ;;
1329         *)
1330                 kernel=
1331                 os=$basic_os
1332                 ;;
1333 esac
1334
1335 # Now, normalize the OS (knowing we just have one component, it's not a kernel,
1336 # etc.)
1337 case $os in
1338         # First match some system type aliases that might get confused
1339         # with valid system types.
1340         # solaris* is a basic system type, with this one exception.
1341         auroraux)
1342                 os=auroraux
1343                 ;;
1344         bluegene*)
1345                 os=cnk
1346                 ;;
1347         solaris1 | solaris1.*)
1348                 os=`echo "$os" | sed -e 's|solaris1|sunos4|'`
1349                 ;;
1350         solaris)
1351                 os=solaris2
1352                 ;;
1353         unixware*)
1354                 os=sysv4.2uw
1355                 ;;
1356         # es1800 is here to avoid being matched by es* (a different OS)
1357         es1800*)
1358                 os=ose
1359                 ;;
1360         # Some version numbers need modification
1361         chorusos*)
1362                 os=chorusos
1363                 ;;
1364         isc)
1365                 os=isc2.2
1366                 ;;
1367         sco6)
1368                 os=sco5v6
1369                 ;;
1370         sco5)
1371                 os=sco3.2v5
1372                 ;;
1373         sco4)
1374                 os=sco3.2v4
1375                 ;;
1376         sco3.2.[4-9]*)
1377                 os=`echo "$os" | sed -e 's/sco3.2./sco3.2v/'`
1378                 ;;
1379         sco*v* | scout)
1380                 # Don't match below
1381                 ;;
1382         sco*)
1383                 os=sco3.2v2
1384                 ;;
1385         psos*)
1386                 os=psos
1387                 ;;
1388         qnx*)
1389                 os=qnx
1390                 ;;
1391         hiux*)
1392                 os=hiuxwe2
1393                 ;;
1394         lynx*178)
1395                 os=lynxos178
1396                 ;;
1397         lynx*5)
1398                 os=lynxos5
1399                 ;;
1400         lynxos*)
1401                 # don't get caught up in next wildcard
1402                 ;;
1403         lynx*)
1404                 os=lynxos
1405                 ;;
1406         mac[0-9]*)
1407                 os=`echo "$os" | sed -e 's|mac|macos|'`
1408                 ;;
1409         opened*)
1410                 os=openedition
1411                 ;;
1412         os400*)
1413                 os=os400
1414                 ;;
1415         sunos5*)
1416                 os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
1417                 ;;
1418         sunos6*)
1419                 os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
1420                 ;;
1421         wince*)
1422                 os=wince
1423                 ;;
1424         utek*)
1425                 os=bsd
1426                 ;;
1427         dynix*)
1428                 os=bsd
1429                 ;;
1430         acis*)
1431                 os=aos
1432                 ;;
1433         atheos*)
1434                 os=atheos
1435                 ;;
1436         syllable*)
1437                 os=syllable
1438                 ;;
1439         386bsd)
1440                 os=bsd
1441                 ;;
1442         ctix* | uts*)
1443                 os=sysv
1444                 ;;
1445         nova*)
1446                 os=rtmk-nova
1447                 ;;
1448         ns2)
1449                 os=nextstep2
1450                 ;;
1451         # Preserve the version number of sinix5.
1452         sinix5.*)
1453                 os=`echo "$os" | sed -e 's|sinix|sysv|'`
1454                 ;;
1455         sinix*)
1456                 os=sysv4
1457                 ;;
1458         tpf*)
1459                 os=tpf
1460                 ;;
1461         triton*)
1462                 os=sysv3
1463                 ;;
1464         oss*)
1465                 os=sysv3
1466                 ;;
1467         svr4*)
1468                 os=sysv4
1469                 ;;
1470         svr3)
1471                 os=sysv3
1472                 ;;
1473         sysvr4)
1474                 os=sysv4
1475                 ;;
1476         ose*)
1477                 os=ose
1478                 ;;
1479         *mint | mint[0-9]* | *MiNT | MiNT[0-9]*)
1480                 os=mint
1481                 ;;
1482         dicos*)
1483                 os=dicos
1484                 ;;
1485         pikeos*)
1486                 # Until real need of OS specific support for
1487                 # particular features comes up, bare metal
1488                 # configurations are quite functional.
1489                 case $cpu in
1490                     arm*)
1491                         os=eabi
1492                         ;;
1493                     *)
1494                         os=elf
1495                         ;;
1496                 esac
1497                 ;;
1498         *)
1499                 # No normalization, but not necessarily accepted, that comes below.
1500                 ;;
1501 esac
1502
1503 else
1504
1505 # Here we handle the default operating systems that come with various machines.
1506 # The value should be what the vendor currently ships out the door with their
1507 # machine or put another way, the most popular os provided with the machine.
1508
1509 # Note that if you're going to try to match "-MANUFACTURER" here (say,
1510 # "-sun"), then you have to tell the case statement up towards the top
1511 # that MANUFACTURER isn't an operating system.  Otherwise, code above
1512 # will signal an error saying that MANUFACTURER isn't an operating
1513 # system, and we'll never get to this point.
1514
1515 kernel=
1516 case $cpu-$vendor in
1517         score-*)
1518                 os=elf
1519                 ;;
1520         spu-*)
1521                 os=elf
1522                 ;;
1523         *-acorn)
1524                 os=riscix1.2
1525                 ;;
1526         arm*-rebel)
1527                 kernel=linux
1528                 os=gnu
1529                 ;;
1530         arm*-semi)
1531                 os=aout
1532                 ;;
1533         c4x-* | tic4x-*)
1534                 os=coff
1535                 ;;
1536         c8051-*)
1537                 os=elf
1538                 ;;
1539         clipper-intergraph)
1540                 os=clix
1541                 ;;
1542         hexagon-*)
1543                 os=elf
1544                 ;;
1545         tic54x-*)
1546                 os=coff
1547                 ;;
1548         tic55x-*)
1549                 os=coff
1550                 ;;
1551         tic6x-*)
1552                 os=coff
1553                 ;;
1554         # This must come before the *-dec entry.
1555         pdp10-*)
1556                 os=tops20
1557                 ;;
1558         pdp11-*)
1559                 os=none
1560                 ;;
1561         *-dec | vax-*)
1562                 os=ultrix4.2
1563                 ;;
1564         m68*-apollo)
1565                 os=domain
1566                 ;;
1567         i386-sun)
1568                 os=sunos4.0.2
1569                 ;;
1570         m68000-sun)
1571                 os=sunos3
1572                 ;;
1573         m68*-cisco)
1574                 os=aout
1575                 ;;
1576         mep-*)
1577                 os=elf
1578                 ;;
1579         mips*-cisco)
1580                 os=elf
1581                 ;;
1582         mips*-*)
1583                 os=elf
1584                 ;;
1585         or32-*)
1586                 os=coff
1587                 ;;
1588         *-tti)  # must be before sparc entry or we get the wrong os.
1589                 os=sysv3
1590                 ;;
1591         sparc-* | *-sun)
1592                 os=sunos4.1.1
1593                 ;;
1594         pru-*)
1595                 os=elf
1596                 ;;
1597         *-be)
1598                 os=beos
1599                 ;;
1600         *-ibm)
1601                 os=aix
1602                 ;;
1603         *-knuth)
1604                 os=mmixware
1605                 ;;
1606         *-wec)
1607                 os=proelf
1608                 ;;
1609         *-winbond)
1610                 os=proelf
1611                 ;;
1612         *-oki)
1613                 os=proelf
1614                 ;;
1615         *-hp)
1616                 os=hpux
1617                 ;;
1618         *-hitachi)
1619                 os=hiux
1620                 ;;
1621         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
1622                 os=sysv
1623                 ;;
1624         *-cbm)
1625                 os=amigaos
1626                 ;;
1627         *-dg)
1628                 os=dgux
1629                 ;;
1630         *-dolphin)
1631                 os=sysv3
1632                 ;;
1633         m68k-ccur)
1634                 os=rtu
1635                 ;;
1636         m88k-omron*)
1637                 os=luna
1638                 ;;
1639         *-next)
1640                 os=nextstep
1641                 ;;
1642         *-sequent)
1643                 os=ptx
1644                 ;;
1645         *-crds)
1646                 os=unos
1647                 ;;
1648         *-ns)
1649                 os=genix
1650                 ;;
1651         i370-*)
1652                 os=mvs
1653                 ;;
1654         *-gould)
1655                 os=sysv
1656                 ;;
1657         *-highlevel)
1658                 os=bsd
1659                 ;;
1660         *-encore)
1661                 os=bsd
1662                 ;;
1663         *-sgi)
1664                 os=irix
1665                 ;;
1666         *-siemens)
1667                 os=sysv4
1668                 ;;
1669         *-masscomp)
1670                 os=rtu
1671                 ;;
1672         f30[01]-fujitsu | f700-fujitsu)
1673                 os=uxpv
1674                 ;;
1675         *-rom68k)
1676                 os=coff
1677                 ;;
1678         *-*bug)
1679                 os=coff
1680                 ;;
1681         *-apple)
1682                 os=macos
1683                 ;;
1684         *-atari*)
1685                 os=mint
1686                 ;;
1687         *-wrs)
1688                 os=vxworks
1689                 ;;
1690         *)
1691                 os=none
1692                 ;;
1693 esac
1694
1695 fi
1696
1697 # Now, validate our (potentially fixed-up) OS.
1698 case $os in
1699         # Sometimes we do "kernel-libc", so those need to count as OSes.
1700         musl* | newlib* | uclibc*)
1701                 ;;
1702         # Likewise for "kernel-abi"
1703         eabi* | gnueabi*)
1704                 ;;
1705         # VxWorks passes extra cpu info in the 4th filed.
1706         simlinux | simwindows | spe)
1707                 ;;
1708         # Now accept the basic system types.
1709         # The portable systems comes first.
1710         # Each alternative MUST end in a * to match a version number.
1711         gnu* | android* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
1712              | *vms* | esix* | aix* | cnk* | sunos | sunos[34]* \
1713              | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
1714              | sym* |  plan9* | psp* | sim* | xray* | os68k* | v88r* \
1715              | hiux* | abug | nacl* | netware* | windows* \
1716              | os9* | macos* | osx* | ios* \
1717              | mpw* | magic* | mmixware* | mon960* | lnews* \
1718              | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
1719              | aos* | aros* | cloudabi* | sortix* | twizzler* \
1720              | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
1721              | clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
1722              | mirbsd* | netbsd* | dicos* | openedition* | ose* \
1723              | bitrig* | openbsd* | secbsd* | solidbsd* | libertybsd* | os108* \
1724              | ekkobsd* | freebsd* | riscix* | lynxos* | os400* \
1725              | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
1726              | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
1727              | udi* | lites* | ieee* | go32* | aux* | hcos* \
1728              | chorusrdb* | cegcc* | glidix* | serenity* \
1729              | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
1730              | midipix* | mingw32* | mingw64* | mint* \
1731              | uxpv* | beos* | mpeix* | udk* | moxiebox* \
1732              | interix* | uwin* | mks* | rhapsody* | darwin* \
1733              | openstep* | oskit* | conix* | pw32* | nonstopux* \
1734              | storm-chaos* | tops10* | tenex* | tops20* | its* \
1735              | os2* | vos* | palmos* | uclinux* | nucleus* | morphos* \
1736              | scout* | superux* | sysv* | rtmk* | tpf* | windiss* \
1737              | powermax* | dnix* | nx6 | nx7 | sei* | dragonfly* \
1738              | skyos* | haiku* | rdos* | toppers* | drops* | es* \
1739              | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
1740              | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
1741              | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx*)
1742                 ;;
1743         # This one is extra strict with allowed versions
1744         sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
1745                 # Don't forget version if it is 3.2v4 or newer.
1746                 ;;
1747         none)
1748                 ;;
1749         *)
1750                 echo Invalid configuration \`"$1"\': OS \`"$os"\' not recognized 1>&2
1751                 exit 1
1752                 ;;
1753 esac
1754
1755 # As a final step for OS-related things, validate the OS-kernel combination
1756 # (given a valid OS), if there is a kernel.
1757 case $kernel-$os in
1758         linux-gnu* | linux-dietlibc* | linux-android* | linux-newlib* | linux-musl* | linux-uclibc* )
1759                 ;;
1760         uclinux-uclibc* )
1761                 ;;
1762         -dietlibc* | -newlib* | -musl* | -uclibc* )
1763                 # These are just libc implementations, not actual OSes, and thus
1764                 # require a kernel.
1765                 echo "Invalid configuration \`$1': libc \`$os' needs explicit kernel." 1>&2
1766                 exit 1
1767                 ;;
1768         kfreebsd*-gnu* | kopensolaris*-gnu*)
1769                 ;;
1770         vxworks-simlinux | vxworks-simwindows | vxworks-spe)
1771                 ;;
1772         nto-qnx*)
1773                 ;;
1774         os2-emx)
1775                 ;;
1776         *-eabi* | *-gnueabi*)
1777                 ;;
1778         -*)
1779                 # Blank kernel with real OS is always fine.
1780                 ;;
1781         *-*)
1782                 echo "Invalid configuration \`$1': Kernel \`$kernel' not known to work with OS \`$os'." 1>&2
1783                 exit 1
1784                 ;;
1785 esac
1786
1787 # Here we handle the case where we know the os, and the CPU type, but not the
1788 # manufacturer.  We pick the logical manufacturer.
1789 case $vendor in
1790         unknown)
1791                 case $cpu-$os in
1792                         *-riscix*)
1793                                 vendor=acorn
1794                                 ;;
1795                         *-sunos*)
1796                                 vendor=sun
1797                                 ;;
1798                         *-cnk* | *-aix*)
1799                                 vendor=ibm
1800                                 ;;
1801                         *-beos*)
1802                                 vendor=be
1803                                 ;;
1804                         *-hpux*)
1805                                 vendor=hp
1806                                 ;;
1807                         *-mpeix*)
1808                                 vendor=hp
1809                                 ;;
1810                         *-hiux*)
1811                                 vendor=hitachi
1812                                 ;;
1813                         *-unos*)
1814                                 vendor=crds
1815                                 ;;
1816                         *-dgux*)
1817                                 vendor=dg
1818                                 ;;
1819                         *-luna*)
1820                                 vendor=omron
1821                                 ;;
1822                         *-genix*)
1823                                 vendor=ns
1824                                 ;;
1825                         *-clix*)
1826                                 vendor=intergraph
1827                                 ;;
1828                         *-mvs* | *-opened*)
1829                                 vendor=ibm
1830                                 ;;
1831                         *-os400*)
1832                                 vendor=ibm
1833                                 ;;
1834                         s390-* | s390x-*)
1835                                 vendor=ibm
1836                                 ;;
1837                         *-ptx*)
1838                                 vendor=sequent
1839                                 ;;
1840                         *-tpf*)
1841                                 vendor=ibm
1842                                 ;;
1843                         *-vxsim* | *-vxworks* | *-windiss*)
1844                                 vendor=wrs
1845                                 ;;
1846                         *-aux*)
1847                                 vendor=apple
1848                                 ;;
1849                         *-hms*)
1850                                 vendor=hitachi
1851                                 ;;
1852                         *-mpw* | *-macos*)
1853                                 vendor=apple
1854                                 ;;
1855                         *-*mint | *-mint[0-9]* | *-*MiNT | *-MiNT[0-9]*)
1856                                 vendor=atari
1857                                 ;;
1858                         *-vos*)
1859                                 vendor=stratus
1860                                 ;;
1861                 esac
1862                 ;;
1863 esac
1864
1865 echo "$cpu-$vendor-${kernel:+$kernel-}$os"
1866 exit
1867
1868 # Local variables:
1869 # eval: (add-hook 'before-save-hook 'time-stamp)
1870 # time-stamp-start: "timestamp='"
1871 # time-stamp-format: "%:y-%02m-%02d"
1872 # time-stamp-end: "'"
1873 # End: