code.delx.au - gnu-emacs/blob - config.sub

   1 #! /bin/sh
   2 # Configuration validation subroutine script, version 1.1.
   3 #   Copyright (C) 1991, 92, 93, 94, 95, 96, 1997 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 $basic_machine in
 150         # Recognize the basic CPU types without company name.
 151         # Some are omitted here because they have special meanings below.
 152         tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arm \
 153                 | arme[lb] | pyramid | mn10200 | mn10300 \
 154                 | tron | a29k | 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 \
 155                 | alpha | alphaev5 | alphaev56 | we32k | ns16k | clipper \
 156                 | i370 | sh | powerpc | powerpcle | 1750a | dsp16xx | pdp11 \
 157                 | mips64 | mipsel | mips64el | mips64orion | mips64orionel \
 158                 | sparc | sparclet | sparclite | sparc64)
 159                 basic_machine=$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-* \
 176               | power-* | none-* | 580-* | cray2-* | h8300-* | i960-* \
 177               | xmp-* | ymp-* | hppa-* | hppa1.0-* | hppa1.1-* \
 178               | alpha-* | alphaev5-* | alphaev56-* | we32k-* | cydra-* \
 179               | ns16k-* | pn-* | np1-* | xps100-* | clipper-* | orion-* \
 180               | sparclite-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
 181               | sparc64-* | mips64-* | mipsel-* \
 182               | mips64el-* | mips64orion-* | mips64orionel-* | f301-*)
 183                 ;;
 184         # Recognize the various machine names and aliases which stand
 185         # for a CPU type and a company and sometimes even an OS.
 186         3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 187                 basic_machine=m68000-att
 188                 ;;
 189         3b*)
 190                 basic_machine=we32k-att
 191                 ;;
 192         alliant | fx80)
 193                 basic_machine=fx80-alliant
 194                 ;;
 195         altos | altos3068)
 196                 basic_machine=m68k-altos
 197                 ;;
 198         am29k)
 199                 basic_machine=a29k-none
 200                 os=-bsd
 201                 ;;
 202         amdahl)
 203                 basic_machine=580-amdahl
 204                 os=-sysv
 205                 ;;
 206         amiga | amiga-*)
 207                 basic_machine=m68k-cbm
 208                 ;;
 209         amigados)
 210                 basic_machine=m68k-cbm
 211                 os=-amigados
 212                 ;;
 213         amigaunix | amix)
 214                 basic_machine=m68k-cbm
 215                 os=-sysv4
 216                 ;;
 217         apollo68)
 218                 basic_machine=m68k-apollo
 219                 os=-sysv
 220                 ;;
 221         aux)
 222                 basic_machine=m68k-apple
 223                 os=-aux
 224                 ;;
 225         balance)
 226                 basic_machine=ns32k-sequent
 227                 os=-dynix
 228                 ;;
 229         convex-c1)
 230                 basic_machine=c1-convex
 231                 os=-bsd
 232                 ;;
 233         convex-c2)
 234                 basic_machine=c2-convex
 235                 os=-bsd
 236                 ;;
 237         convex-c32)
 238                 basic_machine=c32-convex
 239                 os=-bsd
 240                 ;;
 241         convex-c34)
 242                 basic_machine=c34-convex
 243                 os=-bsd
 244                 ;;
 245         convex-c38)
 246                 basic_machine=c38-convex
 247                 os=-bsd
 248                 ;;
 249         cray | ymp)
 250                 basic_machine=ymp-cray
 251                 os=-unicos
 252                 ;;
 253         cray2)
 254                 basic_machine=cray2-cray
 255                 os=-unicos
 256                 ;;
 257         [ctj]90-cray)
 258                 basic_machine=c90-cray
 259                 os=-unicos
 260                 ;;
 261         crds | unos)
 262                 basic_machine=m68k-crds
 263                 ;;
 264         da30 | da30-*)
 265                 basic_machine=m68k-da30
 266                 ;;
 267         decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 268                 basic_machine=mips-dec
 269                 ;;
 270         delta | 3300 | motorola-3300 | motorola-delta \
 271               | 3300-motorola | delta-motorola)
 272                 basic_machine=m68k-motorola
 273                 ;;
 274         delta88)
 275                 basic_machine=m88k-motorola
 276                 os=-sysv3
 277                 ;;
 278         dpx20 | dpx20-*)
 279                 basic_machine=rs6000-bull
 280                 os=-bosx
 281                 ;;
 282         dpx2* | dpx2*-bull)
 283                 basic_machine=m68k-bull
 284                 os=-sysv3
 285                 ;;
 286         ebmon29k)
 287                 basic_machine=a29k-amd
 288                 os=-ebmon
 289                 ;;
 290         elxsi)
 291                 basic_machine=elxsi-elxsi
 292                 os=-bsd
 293                 ;;
 294         encore | umax | mmax)
 295                 basic_machine=ns32k-encore
 296                 ;;
 297         fx2800)
 298                 basic_machine=i860-alliant
 299                 ;;
 300         genix)
 301                 basic_machine=ns32k-ns
 302                 ;;
 303         gmicro)
 304                 basic_machine=tron-gmicro
 305                 os=-sysv
 306                 ;;
 307         h3050r* | hiux*)
 308                 basic_machine=hppa1.1-hitachi
 309                 os=-hiuxwe2
 310                 ;;
 311         h8300hms)
 312                 basic_machine=h8300-hitachi
 313                 os=-hms
 314                 ;;
 315         harris)
 316                 basic_machine=m88k-harris
 317                 os=-sysv3
 318                 ;;
 319         hp300-*)
 320                 basic_machine=m68k-hp
 321                 ;;
 322         hp300bsd)
 323                 basic_machine=m68k-hp
 324                 os=-bsd
 325                 ;;
 326         hp300hpux)
 327                 basic_machine=m68k-hp
 328                 os=-hpux
 329                 ;;
 330         hp9k2[0-9][0-9] | hp9k31[0-9])
 331                 basic_machine=m68000-hp
 332                 ;;
 333         hp9k3[2-9][0-9])
 334                 basic_machine=m68k-hp
 335                 ;;
 336         hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
 337                 basic_machine=hppa1.1-hp
 338                 ;;
 339         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 340                 basic_machine=hppa1.0-hp
 341                 ;;
 342         hppa-next)
 343                 os=-nextstep3
 344                 ;;
 345         i370-ibm* | ibm*)
 346                 basic_machine=i370-ibm
 347                 os=-mvs
 348                 ;;
 349 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 350         i[3456]86v32)
 351                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 352                 os=-sysv32
 353                 ;;
 354         i[3456]86v4*)
 355                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 356                 os=-sysv4
 357                 ;;
 358         i[3456]86v)
 359                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 360                 os=-sysv
 361                 ;;
 362         i[3456]86sol2)
 363                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 364                 os=-solaris2
 365                 ;;
 366         iris | iris4d)
 367                 basic_machine=mips-sgi
 368                 case $os in
 369                     -irix*)
 370                         ;;
 371                     *)
 372                         os=-irix4
 373                         ;;
 374                 esac
 375                 ;;
 376         isi68 | isi)
 377                 basic_machine=m68k-isi
 378                 os=-sysv
 379                 ;;
 380         m88k-omron*)
 381                 basic_machine=m88k-omron
 382                 ;;
 383         magnum | m3230)
 384                 basic_machine=mips-mips
 385                 os=-sysv
 386                 ;;
 387         merlin)
 388                 basic_machine=ns32k-utek
 389                 os=-sysv
 390                 ;;
 391         miniframe)
 392                 basic_machine=m68000-convergent
 393                 ;;
 394         mipsel*-linux*)
 395                 basic_machine=mipsel-unknown
 396                 os=-linux-gnu
 397                 ;;
 398         mips*-linux*)
 399                 basic_machine=mips-unknown
 400                 os=-linux-gnu
 401                 ;;
 402         mips3*-*)
 403                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 404                 ;;
 405         mips3*)
 406                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 407                 ;;
 408         ncr3000)
 409                 basic_machine=i486-ncr
 410                 os=-sysv4
 411                 ;;
 412         news | news700 | news800 | news900)
 413                 basic_machine=m68k-sony
 414                 os=-newsos
 415                 ;;
 416         news1000)
 417                 basic_machine=m68030-sony
 418                 os=-newsos
 419                 ;;
 420         news-3600 | risc-news)
 421                 basic_machine=mips-sony
 422                 os=-newsos
 423                 ;;
 424         next | m*-next )
 425                 basic_machine=m68k-next
 426                 case $os in
 427                     -nextstep* )
 428                         ;;
 429                     -ns2*)
 430                       os=-nextstep2
 431                         ;;
 432                     *)
 433                       os=-nextstep3
 434                         ;;
 435                 esac
 436                 ;;
 437         nh3000)
 438                 basic_machine=m68k-harris
 439                 os=-cxux
 440                 ;;
 441         nh[45]000)
 442                 basic_machine=m88k-harris
 443                 os=-cxux
 444                 ;;
 445         nindy960)
 446                 basic_machine=i960-intel
 447                 os=-nindy
 448                 ;;
 449         np1)
 450                 basic_machine=np1-gould
 451                 ;;
 452         pa-hitachi)
 453                 basic_machine=hppa1.1-hitachi
 454                 os=-hiuxwe2
 455                 ;;
 456         paragon)
 457                 basic_machine=i860-intel
 458                 os=-osf
 459                 ;;
 460         pbd)
 461                 basic_machine=sparc-tti
 462                 ;;
 463         pbb)
 464                 basic_machine=m68k-tti
 465                 ;;
 466         pc532 | pc532-*)
 467                 basic_machine=ns32k-pc532
 468                 ;;
 469         pentium | p5)
 470                 basic_machine=i586-intel
 471                 ;;
 472         pentiumpro | p6)
 473                 basic_machine=i686-intel
 474                 ;;
 475         pentium-* | p5-*)
 476                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 477                 ;;
 478         pentiumpro-* | p6-*)
 479                 basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 480                 ;;
 481         k5)
 482                 # We don't have specific support for AMD's K5 yet, so just call it a Pentium
 483                 basic_machine=i586-amd
 484                 ;;
 485         nexen)
 486                 # We don't have specific support for Nexgen yet, so just call it a Pentium
 487                 basic_machine=i586-nexgen
 488                 ;;
 489         pn)
 490                 basic_machine=pn-gould
 491                 ;;
 492         power)  basic_machine=rs6000-ibm
 493                 ;;
 494         ppc)    basic_machine=powerpc-unknown
 495                 ;;
 496         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 497                 ;;
 498         ppcle | powerpclittle | ppc-le | powerpc-little)
 499                 basic_machine=powerpcle-unknown
 500                 ;;
 501         ppcle-* | powerpclittle-*)
 502                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 503                 ;;
 504         ps2)
 505                 basic_machine=i386-ibm
 506                 ;;
 507         rm[46]00)
 508                 basic_machine=mips-siemens
 509                 ;;
 510         rtpc | rtpc-*)
 511                 basic_machine=romp-ibm
 512                 ;;
 513         sequent)
 514                 basic_machine=i386-sequent
 515                 ;;
 516         sh)
 517                 basic_machine=sh-hitachi
 518                 os=-hms
 519                 ;;
 520         sps7)
 521                 basic_machine=m68k-bull
 522                 os=-sysv2
 523                 ;;
 524         spur)
 525                 basic_machine=spur-unknown
 526                 ;;
 527         sun2)
 528                 basic_machine=m68000-sun
 529                 ;;
 530         sun2os3)
 531                 basic_machine=m68000-sun
 532                 os=-sunos3
 533                 ;;
 534         sun2os4)
 535                 basic_machine=m68000-sun
 536                 os=-sunos4
 537                 ;;
 538         sun3os3)
 539                 basic_machine=m68k-sun
 540                 os=-sunos3
 541                 ;;
 542         sun3os4)
 543                 basic_machine=m68k-sun
 544                 os=-sunos4
 545                 ;;
 546         sun4os3)
 547                 basic_machine=sparc-sun
 548                 os=-sunos3
 549                 ;;
 550         sun4os4)
 551                 basic_machine=sparc-sun
 552                 os=-sunos4
 553                 ;;
 554         sun4sol2)
 555                 basic_machine=sparc-sun
 556                 os=-solaris2
 557                 ;;
 558         sun3 | sun3-*)
 559                 basic_machine=m68k-sun
 560                 ;;
 561         sun4)
 562                 basic_machine=sparc-sun
 563                 ;;
 564         sun386 | sun386i | roadrunner)
 565                 basic_machine=i386-sun
 566                 ;;
 567         symmetry)
 568                 basic_machine=i386-sequent
 569                 os=-dynix
 570                 ;;
 571         tower | tower-32)
 572                 basic_machine=m68k-ncr
 573                 ;;
 574         udi29k)
 575                 basic_machine=a29k-amd
 576                 os=-udi
 577                 ;;
 578         ultra3)
 579                 basic_machine=a29k-nyu
 580                 os=-sym1
 581                 ;;
 582         vaxv)
 583                 basic_machine=vax-dec
 584                 os=-sysv
 585                 ;;
 586         vms)
 587                 basic_machine=vax-dec
 588                 os=-vms
 589                 ;;
 590         vpp*|vx|vx-*)
 591                basic_machine=f301-fujitsu
 592                ;;
 593         vxworks960)
 594                 basic_machine=i960-wrs
 595                 os=-vxworks
 596                 ;;
 597         vxworks68)
 598                 basic_machine=m68k-wrs
 599                 os=-vxworks
 600                 ;;
 601         vxworks29k)
 602                 basic_machine=a29k-wrs
 603                 os=-vxworks
 604                 ;;
 605         xmp)
 606                 basic_machine=xmp-cray
 607                 os=-unicos
 608                 ;;
 609         xps | xps100)
 610                 basic_machine=xps100-honeywell
 611                 ;;
 612         none)
 613                 basic_machine=none-none
 614                 os=-none
 615                 ;;
 616
 617 # Here we handle the default manufacturer of certain CPU types.  It is in
 618 # some cases the only manufacturer, in others, it is the most popular.
 619         mips)
 620                 if [ x$os = x-linux-gnu ]; then
 621                         basic_machine=mips-unknown
 622                 else
 623                         basic_machine=mips-mips
 624                 fi
 625                 ;;
 626         romp)
 627                 basic_machine=romp-ibm
 628                 ;;
 629         rs6000)
 630                 basic_machine=rs6000-ibm
 631                 ;;
 632         vax)
 633                 basic_machine=vax-dec
 634                 ;;
 635         pdp11)
 636                 basic_machine=pdp11-dec
 637                 ;;
 638         we32k)
 639                 basic_machine=we32k-att
 640                 ;;
 641         sparc)
 642                 basic_machine=sparc-sun
 643                 ;;
 644         cydra)
 645                 basic_machine=cydra-cydrome
 646                 ;;
 647         orion)
 648                 basic_machine=orion-highlevel
 649                 ;;
 650         orion105)
 651                 basic_machine=clipper-highlevel
 652                 ;;
 653         *)
 654                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 655                 exit 1
 656                 ;;
 657 esac
 658
 659 # Here we canonicalize certain aliases for manufacturers.
 660 case $basic_machine in
 661         *-digital*)
 662                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 663                 ;;
 664         *-commodore*)
 665                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 666                 ;;
 667         *)
 668                 ;;
 669 esac
 670
 671 # Decode manufacturer-specific aliases for certain operating systems.
 672
 673 if [ x"$os" != x"" ]
 674 then
 675 case $os in
 676         # First match some system type aliases
 677         # that might get confused with valid system types.
 678         # -solaris* is a basic system type, with this one exception.
 679         -solaris1 | -solaris1.*)
 680                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
 681                 ;;
 682         -solaris)
 683                 os=-solaris2
 684                 ;;
 685         -unixware* | svr4*)
 686                 os=-sysv4
 687                 ;;
 688         -gnu/linux*)
 689                 os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
 690                 ;;
 691         # First accept the basic system types.
 692         # The portable systems comes first.
 693         # Each alternative MUST END IN A *, to match a version number.
 694         # -sysv* is not here because it comes later, after sysvr4.
 695         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 696               | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
 697               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 698               | -amigados* | -msdos* | -newsos* | -unicos* | -aof* | -aos* \
 699               | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 700               | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 701               | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
 702               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 703               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 704               | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 705               | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
 706               | -mingw32* | -linux-gnu* | -uxpv*)
 707         # Remember, each alternative MUST END IN *, to match a version number.
 708                 ;;
 709         -linux*)
 710                 os=`echo $os | sed -e 's|linux|linux-gnu|'`
 711                 ;;
 712         -sunos5*)
 713                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
 714                 ;;
 715         -sunos6*)
 716                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
 717                 ;;
 718         -osfrose*)
 719                 os=-osfrose
 720                 ;;
 721         -osf*)
 722                 os=-osf
 723                 ;;
 724         -utek*)
 725                 os=-bsd
 726                 ;;
 727         -dynix*)
 728                 os=-bsd
 729                 ;;
 730         -acis*)
 731                 os=-aos
 732                 ;;
 733         -ctix* | -uts*)
 734                 os=-sysv
 735                 ;;
 736         -ns2 )
 737                 os=-nextstep2
 738                 ;;
 739         # Preserve the version number of sinix5.
 740         -sinix5.*)
 741                 os=`echo $os | sed -e 's|sinix|sysv|'`
 742                 ;;
 743         -sinix*)
 744                 os=-sysv4
 745                 ;;
 746         -triton*)
 747                 os=-sysv3
 748                 ;;
 749         -oss*)
 750                 os=-sysv3
 751                 ;;
 752         -svr4)
 753                 os=-sysv4
 754                 ;;
 755         -svr3)
 756                 os=-sysv3
 757                 ;;
 758         -sysvr4)
 759                 os=-sysv4
 760                 ;;
 761         # This must come after -sysvr4.
 762         -sysv*)
 763                 ;;
 764         -xenix)
 765                 os=-xenix
 766                 ;;
 767         -none)
 768                 ;;
 769         *)
 770                 # Get rid of the `-' at the beginning of $os.
 771                 os=`echo $os | sed 's/[^-]*-//'`
 772                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 773                 exit 1
 774                 ;;
 775 esac
 776 else
 777
 778 # Here we handle the default operating systems that come with various machines.
 779 # The value should be what the vendor currently ships out the door with their
 780 # machine or put another way, the most popular os provided with the machine.
 781
 782 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 783 # "-sun"), then you have to tell the case statement up towards the top
 784 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 785 # will signal an error saying that MANUFACTURER isn't an operating
 786 # system, and we'll never get to this point.
 787
 788 case $basic_machine in
 789         *-acorn)
 790                 os=-riscix1.2
 791                 ;;
 792         arm*-semi)
 793                 os=-aout
 794                 ;;
 795         pdp11-*)
 796                 os=-none
 797                 ;;
 798         *-dec | vax-*)
 799                 os=-ultrix4.2
 800                 ;;
 801         m68*-apollo)
 802                 os=-domain
 803                 ;;
 804         i386-sun)
 805                 os=-sunos4.0.2
 806                 ;;
 807         m68000-sun)
 808                 os=-sunos3
 809                 # This also exists in the configure program, but was not the
 810                 # default.
 811                 # os=-sunos4
 812                 ;;
 813         *-tti)  # must be before sparc entry or we get the wrong os.
 814                 os=-sysv3
 815                 ;;
 816         sparc-* | *-sun)
 817                 os=-sunos4.1.1
 818                 ;;
 819         *-ibm)
 820                 os=-aix
 821                 ;;
 822         *-hp)
 823                 os=-hpux
 824                 ;;
 825         *-hitachi)
 826                 os=-hiux
 827                 ;;
 828         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 829                 os=-sysv
 830                 ;;
 831         *-cbm)
 832                 os=-amigados
 833                 ;;
 834         *-dg)
 835                 os=-dgux
 836                 ;;
 837         *-dolphin)
 838                 os=-sysv3
 839                 ;;
 840         m68k-ccur)
 841                 os=-rtu
 842                 ;;
 843         m88k-omron*)
 844                 os=-luna
 845                 ;;
 846         *-next )
 847                 os=-nextstep
 848                 ;;
 849         *-sequent)
 850                 os=-ptx
 851                 ;;
 852         *-crds)
 853                 os=-unos
 854                 ;;
 855         *-ns)
 856                 os=-genix
 857                 ;;
 858         i370-*)
 859                 os=-mvs
 860                 ;;
 861         *-next)
 862                 os=-nextstep3
 863                 ;;
 864         *-gould)
 865                 os=-sysv
 866                 ;;
 867         *-highlevel)
 868                 os=-bsd
 869                 ;;
 870         *-encore)
 871                 os=-bsd
 872                 ;;
 873         *-sgi)
 874                 os=-irix
 875                 ;;
 876         *-siemens)
 877                 os=-sysv4
 878                 ;;
 879         *-masscomp)
 880                 os=-rtu
 881                 ;;
 882         f301-fujitsu)
 883                 os=-uxpv
 884                 ;;
 885         *)
 886                 os=-none
 887                 ;;
 888 esac
 889 fi
 890
 891 # Here we handle the case where we know the os, and the CPU type, but not the
 892 # manufacturer.  We pick the logical manufacturer.
 893 vendor=unknown
 894 case $basic_machine in
 895         *-unknown)
 896                 case $os in
 897                         -riscix*)
 898                                 vendor=acorn
 899                                 ;;
 900                         -sunos*)
 901                                 vendor=sun
 902                                 ;;
 903                         -aix*)
 904                                 vendor=ibm
 905                                 ;;
 906                         -hpux*)
 907                                 vendor=hp
 908                                 ;;
 909                         -hiux*)
 910                                 vendor=hitachi
 911                                 ;;
 912                         -unos*)
 913                                 vendor=crds
 914                                 ;;
 915                         -dgux*)
 916                                 vendor=dg
 917                                 ;;
 918                         -luna*)
 919                                 vendor=omron
 920                                 ;;
 921                         -genix*)
 922                                 vendor=ns
 923                                 ;;
 924                         -mvs*)
 925                                 vendor=ibm
 926                                 ;;
 927                         -ptx*)
 928                                 vendor=sequent
 929                                 ;;
 930                         -vxsim* | -vxworks*)
 931                                 vendor=wrs
 932                                 ;;
 933                         -aux*)
 934                                 vendor=apple
 935                                 ;;
 936                 esac
 937                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 938                 ;;
 939 esac
 940
 941 echo $basic_machine$os