config.sub

   1 #! /bin/sh
   2 # Configuration validation subroutine script, version 1.1.
   3 #   Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
   4 # This file is (in principle) common to ALL GNU software.
   5 # The presence of a machine in this file suggests that SOME GNU software
   6 # can handle that machine.  It does not imply ALL GNU software can.
   7 #
   8 # This file is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 59 Temple Place - Suite 330,
  21 # Boston, MA 02111-1307, USA.
  22
  23 # As a special exception to the GNU General Public License, if you
  24 # distribute this file as part of a program that contains a
  25 # configuration script generated by Autoconf, you may include it under
  26 # the same distribution terms that you use for the rest of that program.
  27
  28 # Configuration subroutine to validate and canonicalize a configuration type.
  29 # Supply the specified configuration type as an argument.
  30 # If it is invalid, we print an error message on stderr and exit with code 1.
  31 # Otherwise, we print the canonical config type on stdout and succeed.
  32
  33 # This file is supposed to be the same for all GNU packages
  34 # and recognize all the CPU types, system types and aliases
  35 # that are meaningful with *any* GNU software.
  36 # Each package is responsible for reporting which valid configurations
  37 # it does not support.  The user should be able to distinguish
  38 # a failure to support a valid configuration from a meaningless
  39 # configuration.
  40
  41 # The goal of this file is to map all the various variations of a given
  42 # machine specification into a single specification in the form:
  43 #       CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
  44 # or in some cases, the newer four-part form:
  45 #       CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
  46 # It is wrong to echo any other type of specification.
  47
  48 if [ x$1 = x ]
  49 then
  50         echo Configuration name missing. 1>&2
  51         echo "Usage: $0 CPU-MFR-OPSYS" 1>&2
  52         echo "or     $0 ALIAS" 1>&2
  53         echo where ALIAS is a recognized configuration type. 1>&2
  54         exit 1
  55 fi
  56
  57 # First pass through any local machine types.
  58 case $1 in
  59         *local*)
  60                 echo $1
  61                 exit 0
  62                 ;;
  63         *)
  64         ;;
  65 esac
  66
  67 # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
  68 # Here we must recognize all the valid KERNEL-OS combinations.
  69 maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
  70 case $maybe_os in
  71   linux-gnu*)
  72     os=-$maybe_os
  73     basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
  74     ;;
  75   *)
  76     basic_machine=`echo $1 | sed 's/-[^-]*$//'`
  77     if [ $basic_machine != $1 ]
  78     then os=`echo $1 | sed 's/.*-/-/'`
  79     else os=; fi
  80     ;;
  81 esac
  82
  83 ### Let's recognize common machines as not being operating systems so
  84 ### that things like config.sub decstation-3100 work.  We also
  85 ### recognize some manufacturers as not being operating systems, so we
  86 ### can provide default operating systems below.
  87 case $os in
  88         -sun*os*)
  89                 # Prevent following clause from handling this invalid input.
  90                 ;;
  91         -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
  92         -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
  93         -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
  94         -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
  95         -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
  96         -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
  97         -apple)
  98                 os=
  99                 basic_machine=$1
 100                 ;;
 101         -hiux*)
 102                 os=-hiuxwe2
 103                 ;;
 104         -sco5)
 105                 os=sco3.2v5
 106                 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 107                 ;;
 108         -sco4)
 109                 os=-sco3.2v4
 110                 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 111                 ;;
 112         -sco3.2.[4-9]*)
 113                 os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
 114                 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 115                 ;;
 116         -sco3.2v[4-9]*)
 117                 # Don't forget version if it is 3.2v4 or newer.
 118                 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 119                 ;;
 120         -sco*)
 121                 os=-sco3.2v2
 122                 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 123                 ;;
 124         -isc)
 125                 os=-isc2.2
 126                 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 127                 ;;
 128         -clix*)
 129                 basic_machine=clipper-intergraph
 130                 ;;
 131         -isc*)
 132                 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 133                 ;;
 134         -lynx*)
 135                 os=-lynxos
 136                 ;;
 137         -ptx*)
 138                 basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
 139                 ;;
 140         -windowsnt*)
 141                 os=`echo $os | sed -e 's/windowsnt/winnt/'`
 142                 ;;
 143         -psos*)
 144                 os=-psos
 145                 ;;
 146 esac
 147
 148 # Decode aliases for certain CPU-COMPANY combinations.
 149 case $basic_machine in
 150         # Recognize the basic CPU types without company name.
 151         # Some are omitted here because they have special meanings below.
 152         tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arm \
 153                 | arme[lb] | pyramid | mn10300 \
 154                 | tron | a29k | 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 \
 155                 | alpha | we32k | ns16k | clipper | i370 | sh \
 156                 | powerpc | powerpcle | 1750a | dsp16xx | mips64 | mipsel \
 157                 | pdp11 | mips64el | mips64orion | mips64orionel \
 158                 | sparc | sparclet | sparclite | sparc64)
 159                 basic_machine=$basic_machine-unknown
 160                 ;;
 161         # We use `pc' rather than `unknown'
 162         # because (1) that's what they normally are, and
 163         # (2) the word "unknown" tends to confuse beginning users.
 164         i[3456]86)
 165           basic_machine=$basic_machine-pc
 166           ;;
 167         # Object if more than one company name word.
 168         *-*-*)
 169                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 170                 exit 1
 171                 ;;
 172         # Recognize the basic CPU types with company name.
 173         vax-* | tahoe-* | i[3456]86-* | i860-* | m32r-* | m68k-* | m68000-* \
 174               | m88k-* | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
 175               | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
 176               | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
 177               | hppa-* | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \
 178               | pn-* | np1-* | xps100-* | clipper-* | orion-* | sparclite-* \
 179               | pdp11-* | sh-* | powerpc-* | powerpcle-* | sparc64-* | mips64-* | mipsel-* \
 180               | mips64el-* | mips64orion-* | mips64orionel-* | f301-*)
 181                 ;;
 182         # Recognize the various machine names and aliases which stand
 183         # for a CPU type and a company and sometimes even an OS.
 184         3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 185                 basic_machine=m68000-att
 186                 ;;
 187         3b*)
 188                 basic_machine=we32k-att
 189                 ;;
 190         alliant | fx80)
 191                 basic_machine=fx80-alliant
 192                 ;;
 193         altos | altos3068)
 194                 basic_machine=m68k-altos
 195                 ;;
 196         am29k)
 197                 basic_machine=a29k-none
 198                 os=-bsd
 199                 ;;
 200         amdahl)
 201                 basic_machine=580-amdahl
 202                 os=-sysv
 203                 ;;
 204         amiga | amiga-*)
 205                 basic_machine=m68k-cbm
 206                 ;;
 207         amigados)
 208                 basic_machine=m68k-cbm
 209                 os=-amigados
 210                 ;;
 211         amigaunix | amix)
 212                 basic_machine=m68k-cbm
 213                 os=-sysv4
 214                 ;;
 215         apollo68)
 216                 basic_machine=m68k-apollo
 217                 os=-sysv
 218                 ;;
 219         aux)
 220                 basic_machine=m68k-apple
 221                 os=-aux
 222                 ;;
 223         balance)
 224                 basic_machine=ns32k-sequent
 225                 os=-dynix
 226                 ;;
 227         convex-c1)
 228                 basic_machine=c1-convex
 229                 os=-bsd
 230                 ;;
 231         convex-c2)
 232                 basic_machine=c2-convex
 233                 os=-bsd
 234                 ;;
 235         convex-c32)
 236                 basic_machine=c32-convex
 237                 os=-bsd
 238                 ;;
 239         convex-c34)
 240                 basic_machine=c34-convex
 241                 os=-bsd
 242                 ;;
 243         convex-c38)
 244                 basic_machine=c38-convex
 245                 os=-bsd
 246                 ;;
 247         cray | ymp)
 248                 basic_machine=ymp-cray
 249                 os=-unicos
 250                 ;;
 251         cray2)
 252                 basic_machine=cray2-cray
 253                 os=-unicos
 254                 ;;
 255         [ctj]90-cray)
 256                 basic_machine=c90-cray
 257                 os=-unicos
 258                 ;;
 259         crds | unos)
 260                 basic_machine=m68k-crds
 261                 ;;
 262         da30 | da30-*)
 263                 basic_machine=m68k-da30
 264                 ;;
 265         decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 266                 basic_machine=mips-dec
 267                 ;;
 268         delta | 3300 | motorola-3300 | motorola-delta \
 269               | 3300-motorola | delta-motorola)
 270                 basic_machine=m68k-motorola
 271                 ;;
 272         delta88)
 273                 basic_machine=m88k-motorola
 274                 os=-sysv3
 275                 ;;
 276         dpx20 | dpx20-*)
 277                 basic_machine=rs6000-bull
 278                 os=-bosx
 279                 ;;
 280         dpx2* | dpx2*-bull)
 281                 basic_machine=m68k-bull
 282                 os=-sysv3
 283                 ;;
 284         ebmon29k)
 285                 basic_machine=a29k-amd
 286                 os=-ebmon
 287                 ;;
 288         elxsi)
 289                 basic_machine=elxsi-elxsi
 290                 os=-bsd
 291                 ;;
 292         encore | umax | mmax)
 293                 basic_machine=ns32k-encore
 294                 ;;
 295         fx2800)
 296                 basic_machine=i860-alliant
 297                 ;;
 298         genix)
 299                 basic_machine=ns32k-ns
 300                 ;;
 301         gmicro)
 302                 basic_machine=tron-gmicro
 303                 os=-sysv
 304                 ;;
 305         h3050r* | hiux*)
 306                 basic_machine=hppa1.1-hitachi
 307                 os=-hiuxwe2
 308                 ;;
 309         h8300hms)
 310                 basic_machine=h8300-hitachi
 311                 os=-hms
 312                 ;;
 313         harris)
 314                 basic_machine=m88k-harris
 315                 os=-sysv3
 316                 ;;
 317         hp300-*)
 318                 basic_machine=m68k-hp
 319                 ;;
 320         hp300bsd)
 321                 basic_machine=m68k-hp
 322                 os=-bsd
 323                 ;;
 324         hp300hpux)
 325                 basic_machine=m68k-hp
 326                 os=-hpux
 327                 ;;
 328         hp9k2[0-9][0-9] | hp9k31[0-9])
 329                 basic_machine=m68000-hp
 330                 ;;
 331         hp9k3[2-9][0-9])
 332                 basic_machine=m68k-hp
 333                 ;;
 334         hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
 335                 basic_machine=hppa1.1-hp
 336                 ;;
 337         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 338                 basic_machine=hppa1.0-hp
 339                 ;;
 340         hppa-next)
 341                 os=-nextstep3
 342                 ;;
 343         i370-ibm* | ibm*)
 344                 basic_machine=i370-ibm
 345                 os=-mvs
 346                 ;;
 347 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 348         i[3456]86v32)
 349                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 350                 os=-sysv32
 351                 ;;
 352         i[3456]86v4*)
 353                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 354                 os=-sysv4
 355                 ;;
 356         i[3456]86v)
 357                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 358                 os=-sysv
 359                 ;;
 360         i[3456]86sol2)
 361                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 362                 os=-solaris2
 363                 ;;
 364         iris | iris4d)
 365                 basic_machine=mips-sgi
 366                 case $os in
 367                     -irix*)
 368                         ;;
 369                     *)
 370                         os=-irix4
 371                         ;;
 372                 esac
 373                 ;;
 374         isi68 | isi)
 375                 basic_machine=m68k-isi
 376                 os=-sysv
 377                 ;;
 378         m88k-omron*)
 379                 basic_machine=m88k-omron
 380                 ;;
 381         magnum | m3230)
 382                 basic_machine=mips-mips
 383                 os=-sysv
 384                 ;;
 385         merlin)
 386                 basic_machine=ns32k-utek
 387                 os=-sysv
 388                 ;;
 389         miniframe)
 390                 basic_machine=m68000-convergent
 391                 ;;
 392         mipsel*-linux*)
 393                 basic_machine=mipsel-unknown
 394                 os=-linux-gnu
 395                 ;;
 396         mips*-linux*)
 397                 basic_machine=mips-unknown
 398                 os=-linux-gnu
 399                 ;;
 400         mips3*-*)
 401                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 402                 ;;
 403         mips3*)
 404                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 405                 ;;
 406         ncr3000)
 407                 basic_machine=i486-ncr
 408                 os=-sysv4
 409                 ;;
 410         news | news700 | news800 | news900)
 411                 basic_machine=m68k-sony
 412                 os=-newsos
 413                 ;;
 414         news1000)
 415                 basic_machine=m68030-sony
 416                 os=-newsos
 417                 ;;
 418         news-3600 | risc-news)
 419                 basic_machine=mips-sony
 420                 os=-newsos
 421                 ;;
 422         next | m*-next )
 423                 basic_machine=m68k-next
 424                 case $os in
 425                     -nextstep* )
 426                         ;;
 427                     -ns2*)
 428                       os=-nextstep2
 429                         ;;
 430                     *)
 431                       os=-nextstep3
 432                         ;;
 433                 esac
 434                 ;;
 435         nh3000)
 436                 basic_machine=m68k-harris
 437                 os=-cxux
 438                 ;;
 439         nh[45]000)
 440                 basic_machine=m88k-harris
 441                 os=-cxux
 442                 ;;
 443         nindy960)
 444                 basic_machine=i960-intel
 445                 os=-nindy
 446                 ;;
 447         np1)
 448                 basic_machine=np1-gould
 449                 ;;
 450         pa-hitachi)
 451                 basic_machine=hppa1.1-hitachi
 452                 os=-hiuxwe2
 453                 ;;
 454         paragon)
 455                 basic_machine=i860-intel
 456                 os=-osf
 457                 ;;
 458         pbd)
 459                 basic_machine=sparc-tti
 460                 ;;
 461         pbb)
 462                 basic_machine=m68k-tti
 463                 ;;
 464         pc532 | pc532-*)
 465                 basic_machine=ns32k-pc532
 466                 ;;
 467         pentium | p5)
 468                 basic_machine=i586-intel
 469                 ;;
 470         pentiumpro | p6)
 471                 basic_machine=i686-intel
 472                 ;;
 473         pentium-* | p5-*)
 474                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 475                 ;;
 476         pentiumpro-* | p6-*)
 477                 basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 478                 ;;
 479         k5)
 480                 # We don't have specific support for AMD's K5 yet, so just call it a Pentium
 481                 basic_machine=i586-amd
 482                 ;;
 483         nexen)
 484                 # We don't have specific support for Nexgen yet, so just call it a Pentium
 485                 basic_machine=i586-nexgen
 486                 ;;
 487         pn)
 488                 basic_machine=pn-gould
 489                 ;;
 490         power)  basic_machine=rs6000-ibm
 491                 ;;
 492         ppc)    basic_machine=powerpc-unknown
 493                 ;;
 494         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 495                 ;;
 496         ppcle | powerpclittle | ppc-le | powerpc-little)
 497                 basic_machine=powerpcle-unknown
 498                 ;;
 499         ppcle-* | powerpclittle-*)
 500                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 501                 ;;
 502         ps2)
 503                 basic_machine=i386-ibm
 504                 ;;
 505         rm[46]00)
 506                 basic_machine=mips-siemens
 507                 ;;
 508         rtpc | rtpc-*)
 509                 basic_machine=romp-ibm
 510                 ;;
 511         sequent)
 512                 basic_machine=i386-sequent
 513                 ;;
 514         sh)
 515                 basic_machine=sh-hitachi
 516                 os=-hms
 517                 ;;
 518         sps7)
 519                 basic_machine=m68k-bull
 520                 os=-sysv2
 521                 ;;
 522         spur)
 523                 basic_machine=spur-unknown
 524                 ;;
 525         sun2)
 526                 basic_machine=m68000-sun
 527                 ;;
 528         sun2os3)
 529                 basic_machine=m68000-sun
 530                 os=-sunos3
 531                 ;;
 532         sun2os4)
 533                 basic_machine=m68000-sun
 534                 os=-sunos4
 535                 ;;
 536         sun3os3)
 537                 basic_machine=m68k-sun
 538                 os=-sunos3
 539                 ;;
 540         sun3os4)
 541                 basic_machine=m68k-sun
 542                 os=-sunos4
 543                 ;;
 544         sun4os3)
 545                 basic_machine=sparc-sun
 546                 os=-sunos3
 547                 ;;
 548         sun4os4)
 549                 basic_machine=sparc-sun
 550                 os=-sunos4
 551                 ;;
 552         sun4sol2)
 553                 basic_machine=sparc-sun
 554                 os=-solaris2
 555                 ;;
 556         sun3 | sun3-*)
 557                 basic_machine=m68k-sun
 558                 ;;
 559         sun4)
 560                 basic_machine=sparc-sun
 561                 ;;
 562         sun386 | sun386i | roadrunner)
 563                 basic_machine=i386-sun
 564                 ;;
 565         symmetry)
 566                 basic_machine=i386-sequent
 567                 os=-dynix
 568                 ;;
 569         tower | tower-32)
 570                 basic_machine=m68k-ncr
 571                 ;;
 572         udi29k)
 573                 basic_machine=a29k-amd
 574                 os=-udi
 575                 ;;
 576         ultra3)
 577                 basic_machine=a29k-nyu
 578                 os=-sym1
 579                 ;;
 580         vaxv)
 581                 basic_machine=vax-dec
 582                 os=-sysv
 583                 ;;
 584         vms)
 585                 basic_machine=vax-dec
 586                 os=-vms
 587                 ;;
 588         vpp*|vx|vx-*)
 589                basic_machine=f301-fujitsu
 590                ;;
 591         vxworks960)
 592                 basic_machine=i960-wrs
 593                 os=-vxworks
 594                 ;;
 595         vxworks68)
 596                 basic_machine=m68k-wrs
 597                 os=-vxworks
 598                 ;;
 599         vxworks29k)
 600                 basic_machine=a29k-wrs
 601                 os=-vxworks
 602                 ;;
 603         xmp)
 604                 basic_machine=xmp-cray
 605                 os=-unicos
 606                 ;;
 607         xps | xps100)
 608                 basic_machine=xps100-honeywell
 609                 ;;
 610         none)
 611                 basic_machine=none-none
 612                 os=-none
 613                 ;;
 614
 615 # Here we handle the default manufacturer of certain CPU types.  It is in
 616 # some cases the only manufacturer, in others, it is the most popular.
 617         mips)
 618                 if [ x$os = x-linux-gnu ]; then
 619                         basic_machine=mips-unknown
 620                 else
 621                         basic_machine=mips-mips
 622                 fi
 623                 ;;
 624         romp)
 625                 basic_machine=romp-ibm
 626                 ;;
 627         rs6000)
 628                 basic_machine=rs6000-ibm
 629                 ;;
 630         vax)
 631                 basic_machine=vax-dec
 632                 ;;
 633         pdp11)
 634                 basic_machine=pdp11-dec
 635                 ;;
 636         we32k)
 637                 basic_machine=we32k-att
 638                 ;;
 639         sparc)
 640                 basic_machine=sparc-sun
 641                 ;;
 642         cydra)
 643                 basic_machine=cydra-cydrome
 644                 ;;
 645         orion)
 646                 basic_machine=orion-highlevel
 647                 ;;
 648         orion105)
 649                 basic_machine=clipper-highlevel
 650                 ;;
 651         *)
 652                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 653                 exit 1
 654                 ;;
 655 esac
 656
 657 # Here we canonicalize certain aliases for manufacturers.
 658 case $basic_machine in
 659         *-digital*)
 660                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 661                 ;;
 662         *-commodore*)
 663                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 664                 ;;
 665         *)
 666                 ;;
 667 esac
 668
 669 # Decode manufacturer-specific aliases for certain operating systems.
 670
 671 if [ x"$os" != x"" ]
 672 then
 673 case $os in
 674         # First match some system type aliases
 675         # that might get confused with valid system types.
 676         # -solaris* is a basic system type, with this one exception.
 677         -solaris1 | -solaris1.*)
 678                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
 679                 ;;
 680         -solaris)
 681                 os=-solaris2
 682                 ;;
 683         -unixware* | svr4*)
 684                 os=-sysv4
 685                 ;;
 686         -gnu/linux*)
 687                 os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
 688                 ;;
 689         # First accept the basic system types.
 690         # The portable systems comes first.
 691         # Each alternative MUST END IN A *, to match a version number.
 692         # -sysv* is not here because it comes later, after sysvr4.
 693         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 694               | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
 695               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 696               | -amigados* | -msdos* | -newsos* | -unicos* | -aof* | -aos* \
 697               | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 698               | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 699               | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
 700               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 701               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 702               | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 703               | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
 704               | -linux-gnu* | -uxpv*)
 705         # Remember, each alternative MUST END IN *, to match a version number.
 706                 ;;
 707         -linux*)
 708                 os=`echo $os | sed -e 's|linux|linux-gnu|'`
 709                 ;;
 710         -sunos5*)
 711                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
 712                 ;;
 713         -sunos6*)
 714                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
 715                 ;;
 716         -osfrose*)
 717                 os=-osfrose
 718                 ;;
 719         -osf*)
 720                 os=-osf
 721                 ;;
 722         -utek*)
 723                 os=-bsd
 724                 ;;
 725         -dynix*)
 726                 os=-bsd
 727                 ;;
 728         -acis*)
 729                 os=-aos
 730                 ;;
 731         -ctix* | -uts*)
 732                 os=-sysv
 733                 ;;
 734         -ns2 )
 735                 os=-nextstep2
 736                 ;;
 737         # Preserve the version number of sinix5.
 738         -sinix5.*)
 739                 os=`echo $os | sed -e 's|sinix|sysv|'`
 740                 ;;
 741         -sinix*)
 742                 os=-sysv4
 743                 ;;
 744         -triton*)
 745                 os=-sysv3
 746                 ;;
 747         -oss*)
 748                 os=-sysv3
 749                 ;;
 750         -svr4)
 751                 os=-sysv4
 752                 ;;
 753         -svr3)
 754                 os=-sysv3
 755                 ;;
 756         -sysvr4)
 757                 os=-sysv4
 758                 ;;
 759         # This must come after -sysvr4.
 760         -sysv*)
 761                 ;;
 762         -xenix)
 763                 os=-xenix
 764                 ;;
 765         -none)
 766                 ;;
 767         *)
 768                 # Get rid of the `-' at the beginning of $os.
 769                 os=`echo $os | sed 's/[^-]*-//'`
 770                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 771                 exit 1
 772                 ;;
 773 esac
 774 else
 775
 776 # Here we handle the default operating systems that come with various machines.
 777 # The value should be what the vendor currently ships out the door with their
 778 # machine or put another way, the most popular os provided with the machine.
 779
 780 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 781 # "-sun"), then you have to tell the case statement up towards the top
 782 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 783 # will signal an error saying that MANUFACTURER isn't an operating
 784 # system, and we'll never get to this point.
 785
 786 case $basic_machine in
 787         *-acorn)
 788                 os=-riscix1.2
 789                 ;;
 790         arm*-semi)
 791                 os=-aout
 792                 ;;
 793         pdp11-*)
 794                 os=-none
 795                 ;;
 796         *-dec | vax-*)
 797                 os=-ultrix4.2
 798                 ;;
 799         m68*-apollo)
 800                 os=-domain
 801                 ;;
 802         i386-sun)
 803                 os=-sunos4.0.2
 804                 ;;
 805         m68000-sun)
 806                 os=-sunos3
 807                 # This also exists in the configure program, but was not the
 808                 # default.
 809                 # os=-sunos4
 810                 ;;
 811         *-tti)  # must be before sparc entry or we get the wrong os.
 812                 os=-sysv3
 813                 ;;
 814         sparc-* | *-sun)
 815                 os=-sunos4.1.1
 816                 ;;
 817         *-ibm)
 818                 os=-aix
 819                 ;;
 820         *-hp)
 821                 os=-hpux
 822                 ;;
 823         *-hitachi)
 824                 os=-hiux
 825                 ;;
 826         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 827                 os=-sysv
 828                 ;;
 829         *-cbm)
 830                 os=-amigados
 831                 ;;
 832         *-dg)
 833                 os=-dgux
 834                 ;;
 835         *-dolphin)
 836                 os=-sysv3
 837                 ;;
 838         m68k-ccur)
 839                 os=-rtu
 840                 ;;
 841         m88k-omron*)
 842                 os=-luna
 843                 ;;
 844         *-next )
 845                 os=-nextstep
 846                 ;;
 847         *-sequent)
 848                 os=-ptx
 849                 ;;
 850         *-crds)
 851                 os=-unos
 852                 ;;
 853         *-ns)
 854                 os=-genix
 855                 ;;
 856         i370-*)
 857                 os=-mvs
 858                 ;;
 859         *-next)
 860                 os=-nextstep3
 861                 ;;
 862         *-gould)
 863                 os=-sysv
 864                 ;;
 865         *-highlevel)
 866                 os=-bsd
 867                 ;;
 868         *-encore)
 869                 os=-bsd
 870                 ;;
 871         *-sgi)
 872                 os=-irix
 873                 ;;
 874         *-siemens)
 875                 os=-sysv4
 876                 ;;
 877         *-masscomp)
 878                 os=-rtu
 879                 ;;
 880         f301-fujitsu)
 881                 os=-uxpv
 882                 ;;
 883         *)
 884                 os=-none
 885                 ;;
 886 esac
 887 fi
 888
 889 # Here we handle the case where we know the os, and the CPU type, but not the
 890 # manufacturer.  We pick the logical manufacturer.
 891 vendor=unknown
 892 case $basic_machine in
 893         *-unknown)
 894                 case $os in
 895                         -riscix*)
 896                                 vendor=acorn
 897                                 ;;
 898                         -sunos*)
 899                                 vendor=sun
 900                                 ;;
 901                         -aix*)
 902                                 vendor=ibm
 903                                 ;;
 904                         -hpux*)
 905                                 vendor=hp
 906                                 ;;
 907                         -hiux*)
 908                                 vendor=hitachi
 909                                 ;;
 910                         -unos*)
 911                                 vendor=crds
 912                                 ;;
 913                         -dgux*)
 914                                 vendor=dg
 915                                 ;;
 916                         -luna*)
 917                                 vendor=omron
 918                                 ;;
 919                         -genix*)
 920                                 vendor=ns
 921                                 ;;
 922                         -mvs*)
 923                                 vendor=ibm
 924                                 ;;
 925                         -ptx*)
 926                                 vendor=sequent
 927                                 ;;
 928                         -vxsim* | -vxworks*)
 929                                 vendor=wrs
 930                                 ;;
 931                         -aux*)
 932                                 vendor=apple
 933                                 ;;
 934                 esac
 935                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 936                 ;;
 937 esac
 938
 939 echo $basic_machine$os