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

   1 #! /bin/sh
   2 # Configuration validation subroutine script, version 1.1.
   3 #   Copyright (C) 1991, 92-97, 1998 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 $basic_machine in
 150         # Recognize the basic CPU types without company name.
 151         # Some are omitted here because they have special meanings below.
 152         tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \
 153                 | arme[lb] | pyramid | mn10200 | mn10300 | tron | a29k \
 154                 | 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 | hppa2.0 \
 155                 | alpha | alphaev5 | alphaev56 | we32k | ns16k | clipper \
 156                 | i370 | sh | powerpc | powerpcle | 1750a | dsp16xx | pdp11 \
 157                 | mips64 | mipsel | mips64el | mips64orion | mips64orionel \
 158                 | mipstx39 | mipstx39el \
 159                 | sparc | sparclet | sparclite | sparc64 | v850)
 160                 basic_machine=$basic_machine-unknown
 161                 ;;
 162         # We use `pc' rather than `unknown'
 163         # because (1) that's what they normally are, and
 164         # (2) the word "unknown" tends to confuse beginning users.
 165         i[34567]86)
 166           basic_machine=$basic_machine-pc
 167           ;;
 168         # Object if more than one company name word.
 169         *-*-*)
 170                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 171                 exit 1
 172                 ;;
 173         # Recognize the basic CPU types with company name.
 174         vax-* | tahoe-* | i[34567]86-* | i860-* | m32r-* | m68k-* | m68000-* \
 175               | m88k-* | sparc-* | ns32k-* | fx80-* | arc-* | arm-* | c[123]* \
 176               | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
 177               | power-* | none-* | 580-* | cray2-* | h8300-* | i960-* \
 178               | xmp-* | ymp-* | hppa-* | hppa1.0-* | hppa1.1-* | hppa2.0-* \
 179               | alpha-* | alphaev5-* | alphaev56-* | we32k-* | cydra-* \
 180               | ns16k-* | pn-* | np1-* | xps100-* | clipper-* | orion-* \
 181               | sparclite-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
 182               | sparc64-* | mips64-* | mipsel-* \
 183               | mips64el-* | mips64orion-* | mips64orionel-*  \
 184               | mipstx39-* | mipstx39el-* \
 185               | f301-*)
 186                 ;;
 187         # Recognize the various machine names and aliases which stand
 188         # for a CPU type and a company and sometimes even an OS.
 189         3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 190                 basic_machine=m68000-att
 191                 ;;
 192         3b*)
 193                 basic_machine=we32k-att
 194                 ;;
 195         alliant | fx80)
 196                 basic_machine=fx80-alliant
 197                 ;;
 198         altos | altos3068)
 199                 basic_machine=m68k-altos
 200                 ;;
 201         am29k)
 202                 basic_machine=a29k-none
 203                 os=-bsd
 204                 ;;
 205         amdahl)
 206                 basic_machine=580-amdahl
 207                 os=-sysv
 208                 ;;
 209         amiga | amiga-*)
 210                 basic_machine=m68k-cbm
 211                 ;;
 212         amigaos | amigados)
 213                 basic_machine=m68k-cbm
 214                 os=-amigaos
 215                 ;;
 216         amigaunix | amix)
 217                 basic_machine=m68k-cbm
 218                 os=-sysv4
 219                 ;;
 220         apollo68)
 221                 basic_machine=m68k-apollo
 222                 os=-sysv
 223                 ;;
 224         aux)
 225                 basic_machine=m68k-apple
 226                 os=-aux
 227                 ;;
 228         balance)
 229                 basic_machine=ns32k-sequent
 230                 os=-dynix
 231                 ;;
 232         convex-c1)
 233                 basic_machine=c1-convex
 234                 os=-bsd
 235                 ;;
 236         convex-c2)
 237                 basic_machine=c2-convex
 238                 os=-bsd
 239                 ;;
 240         convex-c32)
 241                 basic_machine=c32-convex
 242                 os=-bsd
 243                 ;;
 244         convex-c34)
 245                 basic_machine=c34-convex
 246                 os=-bsd
 247                 ;;
 248         convex-c38)
 249                 basic_machine=c38-convex
 250                 os=-bsd
 251                 ;;
 252         cray | ymp)
 253                 basic_machine=ymp-cray
 254                 os=-unicos
 255                 ;;
 256         cray2)
 257                 basic_machine=cray2-cray
 258                 os=-unicos
 259                 ;;
 260         [ctj]90-cray)
 261                 basic_machine=c90-cray
 262                 os=-unicos
 263                 ;;
 264         crds | unos)
 265                 basic_machine=m68k-crds
 266                 ;;
 267         da30 | da30-*)
 268                 basic_machine=m68k-da30
 269                 ;;
 270         decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 271                 basic_machine=mips-dec
 272                 ;;
 273         delta | 3300 | motorola-3300 | motorola-delta \
 274               | 3300-motorola | delta-motorola)
 275                 basic_machine=m68k-motorola
 276                 ;;
 277         delta88)
 278                 basic_machine=m88k-motorola
 279                 os=-sysv3
 280                 ;;
 281         dpx20 | dpx20-*)
 282                 basic_machine=rs6000-bull
 283                 os=-bosx
 284                 ;;
 285         dpx2* | dpx2*-bull)
 286                 basic_machine=m68k-bull
 287                 os=-sysv3
 288                 ;;
 289         ebmon29k)
 290                 basic_machine=a29k-amd
 291                 os=-ebmon
 292                 ;;
 293         elxsi)
 294                 basic_machine=elxsi-elxsi
 295                 os=-bsd
 296                 ;;
 297         encore | umax | mmax)
 298                 basic_machine=ns32k-encore
 299                 ;;
 300         fx2800)
 301                 basic_machine=i860-alliant
 302                 ;;
 303         genix)
 304                 basic_machine=ns32k-ns
 305                 ;;
 306         gmicro)
 307                 basic_machine=tron-gmicro
 308                 os=-sysv
 309                 ;;
 310         h3050r* | hiux*)
 311                 basic_machine=hppa1.1-hitachi
 312                 os=-hiuxwe2
 313                 ;;
 314         h8300hms)
 315                 basic_machine=h8300-hitachi
 316                 os=-hms
 317                 ;;
 318         harris)
 319                 basic_machine=m88k-harris
 320                 os=-sysv3
 321                 ;;
 322         hp300-*)
 323                 basic_machine=m68k-hp
 324                 ;;
 325         hp300bsd)
 326                 basic_machine=m68k-hp
 327                 os=-bsd
 328                 ;;
 329         hp300hpux)
 330                 basic_machine=m68k-hp
 331                 os=-hpux
 332                 ;;
 333         hp9k2[0-9][0-9] | hp9k31[0-9])
 334                 basic_machine=m68000-hp
 335                 ;;
 336         hp9k3[2-9][0-9])
 337                 basic_machine=m68k-hp
 338                 ;;
 339         hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
 340                 basic_machine=hppa1.1-hp
 341                 ;;
 342         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 343                 basic_machine=hppa1.0-hp
 344                 ;;
 345         hppa-next)
 346                 os=-nextstep3
 347                 ;;
 348         hp3k9[0-9][0-9] | hp9[0-9][0-9])
 349                 basic_machine=hppa1.0-hp
 350                 os=-mpeix
 351                 ;;
 352         i370-ibm* | ibm*)
 353                 basic_machine=i370-ibm
 354                 os=-mvs
 355                 ;;
 356 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 357         i[34567]86v32)
 358                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 359                 os=-sysv32
 360                 ;;
 361         i[34567]86v4*)
 362                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 363                 os=-sysv4
 364                 ;;
 365         i[34567]86v)
 366                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 367                 os=-sysv
 368                 ;;
 369         i[34567]86sol2)
 370                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 371                 os=-solaris2
 372                 ;;
 373         iris | iris4d)
 374                 basic_machine=mips-sgi
 375                 case $os in
 376                     -irix*)
 377                         ;;
 378                     *)
 379                         os=-irix4
 380                         ;;
 381                 esac
 382                 ;;
 383         isi68 | isi)
 384                 basic_machine=m68k-isi
 385                 os=-sysv
 386                 ;;
 387         m88k-omron*)
 388                 basic_machine=m88k-omron
 389                 ;;
 390         magnum | m3230)
 391                 basic_machine=mips-mips
 392                 os=-sysv
 393                 ;;
 394         merlin)
 395                 basic_machine=ns32k-utek
 396                 os=-sysv
 397                 ;;
 398         miniframe)
 399                 basic_machine=m68000-convergent
 400                 ;;
 401         mipsel*-linux*)
 402                 basic_machine=mipsel-unknown
 403                 os=-linux-gnu
 404                 ;;
 405         mips*-linux*)
 406                 basic_machine=mips-unknown
 407                 os=-linux-gnu
 408                 ;;
 409         mips3*-*)
 410                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 411                 ;;
 412         mips3*)
 413                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 414                 ;;
 415         ncr3000)
 416                 basic_machine=i486-ncr
 417                 os=-sysv4
 418                 ;;
 419         news | news700 | news800 | news900)
 420                 basic_machine=m68k-sony
 421                 os=-newsos
 422                 ;;
 423         news1000)
 424                 basic_machine=m68030-sony
 425                 os=-newsos
 426                 ;;
 427         news-3600 | risc-news)
 428                 basic_machine=mips-sony
 429                 os=-newsos
 430                 ;;
 431         next | m*-next )
 432                 basic_machine=m68k-next
 433                 case $os in
 434                     -nextstep* )
 435                         ;;
 436                     -ns2*)
 437                       os=-nextstep2
 438                         ;;
 439                     *)
 440                       os=-nextstep3
 441                         ;;
 442                 esac
 443                 ;;
 444         nh3000)
 445                 basic_machine=m68k-harris
 446                 os=-cxux
 447                 ;;
 448         nh[45]000)
 449                 basic_machine=m88k-harris
 450                 os=-cxux
 451                 ;;
 452         nindy960)
 453                 basic_machine=i960-intel
 454                 os=-nindy
 455                 ;;
 456         np1)
 457                 basic_machine=np1-gould
 458                 ;;
 459         pa-hitachi)
 460                 basic_machine=hppa1.1-hitachi
 461                 os=-hiuxwe2
 462                 ;;
 463         paragon)
 464                 basic_machine=i860-intel
 465                 os=-osf
 466                 ;;
 467         pbd)
 468                 basic_machine=sparc-tti
 469                 ;;
 470         pbb)
 471                 basic_machine=m68k-tti
 472                 ;;
 473         pc532 | pc532-*)
 474                 basic_machine=ns32k-pc532
 475                 ;;
 476         pentium | p5 | k5 | nexen)
 477                 basic_machine=i586-pc
 478                 ;;
 479         pentiumpro | p6 | k6 | 6x86)
 480                 basic_machine=i686-pc
 481                 ;;
 482         pentiumii | pentium2)
 483                 basic_machine=i786-pc
 484                 ;;
 485         pentium-* | p5-* | k5-* | nexen-*)
 486                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 487                 ;;
 488         pentiumpro-* | p6-* | k6-* | 6x86-*)
 489                 basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 490                 ;;
 491         pentiumii-* | pentium2-*)
 492                 basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
 493                 ;;
 494         pn)
 495                 basic_machine=pn-gould
 496                 ;;
 497         power)  basic_machine=rs6000-ibm
 498                 ;;
 499         ppc)    basic_machine=powerpc-unknown
 500                 ;;
 501         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 502                 ;;
 503         ppcle | powerpclittle | ppc-le | powerpc-little)
 504                 basic_machine=powerpcle-unknown
 505                 ;;
 506         ppcle-* | powerpclittle-*)
 507                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 508                 ;;
 509         ps2)
 510                 basic_machine=i386-ibm
 511                 ;;
 512         rm[46]00)
 513                 basic_machine=mips-siemens
 514                 ;;
 515         rtpc | rtpc-*)
 516                 basic_machine=romp-ibm
 517                 ;;
 518         sequent)
 519                 basic_machine=i386-sequent
 520                 ;;
 521         sh)
 522                 basic_machine=sh-hitachi
 523                 os=-hms
 524                 ;;
 525         sps7)
 526                 basic_machine=m68k-bull
 527                 os=-sysv2
 528                 ;;
 529         spur)
 530                 basic_machine=spur-unknown
 531                 ;;
 532         sun2)
 533                 basic_machine=m68000-sun
 534                 ;;
 535         sun2os3)
 536                 basic_machine=m68000-sun
 537                 os=-sunos3
 538                 ;;
 539         sun2os4)
 540                 basic_machine=m68000-sun
 541                 os=-sunos4
 542                 ;;
 543         sun3os3)
 544                 basic_machine=m68k-sun
 545                 os=-sunos3
 546                 ;;
 547         sun3os4)
 548                 basic_machine=m68k-sun
 549                 os=-sunos4
 550                 ;;
 551         sun4os3)
 552                 basic_machine=sparc-sun
 553                 os=-sunos3
 554                 ;;
 555         sun4os4)
 556                 basic_machine=sparc-sun
 557                 os=-sunos4
 558                 ;;
 559         sun4sol2)
 560                 basic_machine=sparc-sun
 561                 os=-solaris2
 562                 ;;
 563         sun3 | sun3-*)
 564                 basic_machine=m68k-sun
 565                 ;;
 566         sun4)
 567                 basic_machine=sparc-sun
 568                 ;;
 569         sun386 | sun386i | roadrunner)
 570                 basic_machine=i386-sun
 571                 ;;
 572         symmetry)
 573                 basic_machine=i386-sequent
 574                 os=-dynix
 575                 ;;
 576         tx39)
 577                 basic_machine=mipstx39-unknown
 578                 ;;
 579         tx39el)
 580                 basic_machine=mipstx39el-unknown
 581                 ;;
 582         tower | tower-32)
 583                 basic_machine=m68k-ncr
 584                 ;;
 585         udi29k)
 586                 basic_machine=a29k-amd
 587                 os=-udi
 588                 ;;
 589         ultra3)
 590                 basic_machine=a29k-nyu
 591                 os=-sym1
 592                 ;;
 593         vaxv)
 594                 basic_machine=vax-dec
 595                 os=-sysv
 596                 ;;
 597         vms)
 598                 basic_machine=vax-dec
 599                 os=-vms
 600                 ;;
 601         vpp*|vx|vx-*)
 602                basic_machine=f301-fujitsu
 603                ;;
 604         vxworks960)
 605                 basic_machine=i960-wrs
 606                 os=-vxworks
 607                 ;;
 608         vxworks68)
 609                 basic_machine=m68k-wrs
 610                 os=-vxworks
 611                 ;;
 612         vxworks29k)
 613                 basic_machine=a29k-wrs
 614                 os=-vxworks
 615                 ;;
 616         xmp)
 617                 basic_machine=xmp-cray
 618                 os=-unicos
 619                 ;;
 620         xps | xps100)
 621                 basic_machine=xps100-honeywell
 622                 ;;
 623         none)
 624                 basic_machine=none-none
 625                 os=-none
 626                 ;;
 627
 628 # Here we handle the default manufacturer of certain CPU types.  It is in
 629 # some cases the only manufacturer, in others, it is the most popular.
 630         mips)
 631                 if [ x$os = x-linux-gnu ]; then
 632                         basic_machine=mips-unknown
 633                 else
 634                         basic_machine=mips-mips
 635                 fi
 636                 ;;
 637         romp)
 638                 basic_machine=romp-ibm
 639                 ;;
 640         rs6000)
 641                 basic_machine=rs6000-ibm
 642                 ;;
 643         vax)
 644                 basic_machine=vax-dec
 645                 ;;
 646         pdp11)
 647                 basic_machine=pdp11-dec
 648                 ;;
 649         we32k)
 650                 basic_machine=we32k-att
 651                 ;;
 652         sparc)
 653                 basic_machine=sparc-sun
 654                 ;;
 655         cydra)
 656                 basic_machine=cydra-cydrome
 657                 ;;
 658         orion)
 659                 basic_machine=orion-highlevel
 660                 ;;
 661         orion105)
 662                 basic_machine=clipper-highlevel
 663                 ;;
 664         *)
 665                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 666                 exit 1
 667                 ;;
 668 esac
 669
 670 # Here we canonicalize certain aliases for manufacturers.
 671 case $basic_machine in
 672         *-digital*)
 673                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 674                 ;;
 675         *-commodore*)
 676                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 677                 ;;
 678         *)
 679                 ;;
 680 esac
 681
 682 # Decode manufacturer-specific aliases for certain operating systems.
 683
 684 if [ x"$os" != x"" ]
 685 then
 686 case $os in
 687         # First match some system type aliases
 688         # that might get confused with valid system types.
 689         # -solaris* is a basic system type, with this one exception.
 690         -solaris1 | -solaris1.*)
 691                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
 692                 ;;
 693         -solaris)
 694                 os=-solaris2
 695                 ;;
 696         -svr4*)
 697                 os=-sysv4
 698                 ;;
 699         -unixware*)
 700                 os=-sysv4.2uw
 701                 ;;
 702         -gnu/linux*)
 703                 os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
 704                 ;;
 705         # First accept the basic system types.
 706         # The portable systems comes first.
 707         # Each alternative MUST END IN A *, to match a version number.
 708         # -sysv* is not here because it comes later, after sysvr4.
 709         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 710               | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
 711               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 712               | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
 713               | -aos* \
 714               | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 715               | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 716               | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
 717               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 718               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 719               | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 720               | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
 721               | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -mpeix*)
 722         # Remember, each alternative MUST END IN *, to match a version number.
 723                 ;;
 724         -linux*)
 725                 os=`echo $os | sed -e 's|linux|linux-gnu|'`
 726                 ;;
 727         -sunos5*)
 728                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
 729                 ;;
 730         -sunos6*)
 731                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
 732                 ;;
 733         -osfrose*)
 734                 os=-osfrose
 735                 ;;
 736         -osf*)
 737                 os=-osf
 738                 ;;
 739         -utek*)
 740                 os=-bsd
 741                 ;;
 742         -dynix*)
 743                 os=-bsd
 744                 ;;
 745         -acis*)
 746                 os=-aos
 747                 ;;
 748         -ctix* | -uts*)
 749                 os=-sysv
 750                 ;;
 751         -ns2 )
 752                 os=-nextstep2
 753                 ;;
 754         # Preserve the version number of sinix5.
 755         -sinix5.*)
 756                 os=`echo $os | sed -e 's|sinix|sysv|'`
 757                 ;;
 758         -sinix*)
 759                 os=-sysv4
 760                 ;;
 761         -triton*)
 762                 os=-sysv3
 763                 ;;
 764         -oss*)
 765                 os=-sysv3
 766                 ;;
 767         -svr4)
 768                 os=-sysv4
 769                 ;;
 770         -svr3)
 771                 os=-sysv3
 772                 ;;
 773         -sysvr4)
 774                 os=-sysv4
 775                 ;;
 776         # This must come after -sysvr4.
 777         -sysv*)
 778                 ;;
 779         -xenix)
 780                 os=-xenix
 781                 ;;
 782         -none)
 783                 ;;
 784         *)
 785                 # Get rid of the `-' at the beginning of $os.
 786                 os=`echo $os | sed 's/[^-]*-//'`
 787                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 788                 exit 1
 789                 ;;
 790 esac
 791 else
 792
 793 # Here we handle the default operating systems that come with various machines.
 794 # The value should be what the vendor currently ships out the door with their
 795 # machine or put another way, the most popular os provided with the machine.
 796
 797 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 798 # "-sun"), then you have to tell the case statement up towards the top
 799 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 800 # will signal an error saying that MANUFACTURER isn't an operating
 801 # system, and we'll never get to this point.
 802
 803 case $basic_machine in
 804         *-acorn)
 805                 os=-riscix1.2
 806                 ;;
 807         arm*-semi)
 808                 os=-aout
 809                 ;;
 810         pdp11-*)
 811                 os=-none
 812                 ;;
 813         *-dec | vax-*)
 814                 os=-ultrix4.2
 815                 ;;
 816         m68*-apollo)
 817                 os=-domain
 818                 ;;
 819         i386-sun)
 820                 os=-sunos4.0.2
 821                 ;;
 822         m68000-sun)
 823                 os=-sunos3
 824                 # This also exists in the configure program, but was not the
 825                 # default.
 826                 # os=-sunos4
 827                 ;;
 828         *-tti)  # must be before sparc entry or we get the wrong os.
 829                 os=-sysv3
 830                 ;;
 831         sparc-* | *-sun)
 832                 os=-sunos4.1.1
 833                 ;;
 834         *-be)
 835                 os=-beos
 836                 ;;
 837         *-ibm)
 838                 os=-aix
 839                 ;;
 840         *-hp)
 841                 os=-hpux
 842                 ;;
 843         *-hitachi)
 844                 os=-hiux
 845                 ;;
 846         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 847                 os=-sysv
 848                 ;;
 849         *-cbm)
 850                 os=-amigaos
 851                 ;;
 852         *-dg)
 853                 os=-dgux
 854                 ;;
 855         *-dolphin)
 856                 os=-sysv3
 857                 ;;
 858         m68k-ccur)
 859                 os=-rtu
 860                 ;;
 861         m88k-omron*)
 862                 os=-luna
 863                 ;;
 864         *-next )
 865                 os=-nextstep
 866                 ;;
 867         *-sequent)
 868                 os=-ptx
 869                 ;;
 870         *-crds)
 871                 os=-unos
 872                 ;;
 873         *-ns)
 874                 os=-genix
 875                 ;;
 876         i370-*)
 877                 os=-mvs
 878                 ;;
 879         *-next)
 880                 os=-nextstep3
 881                 ;;
 882         *-gould)
 883                 os=-sysv
 884                 ;;
 885         *-highlevel)
 886                 os=-bsd
 887                 ;;
 888         *-encore)
 889                 os=-bsd
 890                 ;;
 891         *-sgi)
 892                 os=-irix
 893                 ;;
 894         *-siemens)
 895                 os=-sysv4
 896                 ;;
 897         *-masscomp)
 898                 os=-rtu
 899                 ;;
 900         f301-fujitsu)
 901                 os=-uxpv
 902                 ;;
 903         *)
 904                 os=-none
 905                 ;;
 906 esac
 907 fi
 908
 909 # Here we handle the case where we know the os, and the CPU type, but not the
 910 # manufacturer.  We pick the logical manufacturer.
 911 vendor=unknown
 912 case $basic_machine in
 913         *-unknown)
 914                 case $os in
 915                         -riscix*)
 916                                 vendor=acorn
 917                                 ;;
 918                         -sunos*)
 919                                 vendor=sun
 920                                 ;;
 921                         -aix*)
 922                                 vendor=ibm
 923                                 ;;
 924                         -hpux*)
 925                                 vendor=hp
 926                                 ;;
 927                         -mpeix*)
 928                                 vendor=hp
 929                                 ;;
 930                         -hiux*)
 931                                 vendor=hitachi
 932                                 ;;
 933                         -unos*)
 934                                 vendor=crds
 935                                 ;;
 936                         -dgux*)
 937                                 vendor=dg
 938                                 ;;
 939                         -luna*)
 940                                 vendor=omron
 941                                 ;;
 942                         -genix*)
 943                                 vendor=ns
 944                                 ;;
 945                         -mvs*)
 946                                 vendor=ibm
 947                                 ;;
 948                         -ptx*)
 949                                 vendor=sequent
 950                                 ;;
 951                         -vxsim* | -vxworks*)
 952                                 vendor=wrs
 953                                 ;;
 954                         -aux*)
 955                                 vendor=apple
 956                                 ;;
 957                 esac
 958                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 959                 ;;
 960 esac
 961
 962 echo $basic_machine$os