gcc/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 $basic_machine in
 150         # Recognize the basic CPU types without company name.
 151         # Some are omitted here because they have special meanings below.
 152         tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \
 153                 | arme[lb] | pyramid | mn10200 | mn10300 \
 154                 | tron | a29k | 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 \
 155                 | alpha | alphaev5 | alphaev56 | we32k | ns16k | clipper \
 156                 | i370 | sh | powerpc | powerpcle | 1750a | dsp16xx | pdp11 \
 157                 | mips64 | mipsel | mips64el | mips64orion | mips64orionel \
 158                 | mipstx39 | mipstx39el \
 159                 | sparc | sparclet | sparclite | sparc64 | sparcv9 | v850)
 160                 basic_machine=$basic_machine-unknown
 161                 ;;
 162         thumb | thumbel)
 163                 basic_machine=$basic_machine-unknown
 164                 ;;
 165         # We use `pc' rather than `unknown'
 166         # because (1) that's what they normally are, and
 167         # (2) the word "unknown" tends to confuse beginning users.
 168         i[34567]86)
 169           basic_machine=$basic_machine-pc
 170           ;;
 171         # Object if more than one company name word.
 172         *-*-*)
 173                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 174                 exit 1
 175                 ;;
 176         # Recognize the basic CPU types with company name.
 177         vax-* | tahoe-* | i[34567]86-* | i860-* | m32r-* | m68k-* | m68000-* \
 178               | m88k-* | sparc-* | ns32k-* | fx80-* | arc-* | arm-* | c[123]* \
 179               | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
 180               | power-* | none-* | 580-* | cray2-* | h8300-* | i960-* \
 181               | xmp-* | ymp-* | hppa-* | hppa1.0-* | hppa1.1-* \
 182               | alpha-* | alphaev5-* | alphaev56-* | we32k-* | cydra-* \
 183               | ns16k-* | pn-* | np1-* | xps100-* | clipper-* | orion-* \
 184               | sparclite-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
 185               | sparc64-* | sparcv9-* | mips64-* | mipsel-* \
 186               | mips64el-* | mips64orion-* | mips64orionel-*  \
 187               | mipstx39-* | mipstx39el-* \
 188               | f301-*)
 189                 ;;
 190         # Recognize the various machine names and aliases which stand
 191         # for a CPU type and a company and sometimes even an OS.
 192         3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 193                 basic_machine=m68000-att
 194                 ;;
 195         3b*)
 196                 basic_machine=we32k-att
 197                 ;;
 198         alliant | fx80)
 199                 basic_machine=fx80-alliant
 200                 ;;
 201         altos | altos3068)
 202                 basic_machine=m68k-altos
 203                 ;;
 204         am29k)
 205                 basic_machine=a29k-none
 206                 os=-bsd
 207                 ;;
 208         amdahl)
 209                 basic_machine=580-amdahl
 210                 os=-sysv
 211                 ;;
 212         amiga | amiga-*)
 213                 basic_machine=m68k-cbm
 214                 ;;
 215         amigaos | amigados)
 216                 basic_machine=m68k-cbm
 217                 os=-amigaos
 218                 ;;
 219         amigaunix | amix)
 220                 basic_machine=m68k-cbm
 221                 os=-sysv4
 222                 ;;
 223         apollo68)
 224                 basic_machine=m68k-apollo
 225                 os=-sysv
 226                 ;;
 227         aux)
 228                 basic_machine=m68k-apple
 229                 os=-aux
 230                 ;;
 231         balance)
 232                 basic_machine=ns32k-sequent
 233                 os=-dynix
 234                 ;;
 235         convex-c1)
 236                 basic_machine=c1-convex
 237                 os=-bsd
 238                 ;;
 239         convex-c2)
 240                 basic_machine=c2-convex
 241                 os=-bsd
 242                 ;;
 243         convex-c32)
 244                 basic_machine=c32-convex
 245                 os=-bsd
 246                 ;;
 247         convex-c34)
 248                 basic_machine=c34-convex
 249                 os=-bsd
 250                 ;;
 251         convex-c38)
 252                 basic_machine=c38-convex
 253                 os=-bsd
 254                 ;;
 255         cray | ymp)
 256                 basic_machine=ymp-cray
 257                 os=-unicos
 258                 ;;
 259         cray2)
 260                 basic_machine=cray2-cray
 261                 os=-unicos
 262                 ;;
 263         [ctj]90-cray)
 264                 basic_machine=c90-cray
 265                 os=-unicos
 266                 ;;
 267         crds | unos)
 268                 basic_machine=m68k-crds
 269                 ;;
 270         da30 | da30-*)
 271                 basic_machine=m68k-da30
 272                 ;;
 273         decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 274                 basic_machine=mips-dec
 275                 ;;
 276         delta | 3300 | motorola-3300 | motorola-delta \
 277               | 3300-motorola | delta-motorola)
 278                 basic_machine=m68k-motorola
 279                 ;;
 280         delta88)
 281                 basic_machine=m88k-motorola
 282                 os=-sysv3
 283                 ;;
 284         dpx20 | dpx20-*)
 285                 basic_machine=rs6000-bull
 286                 os=-bosx
 287                 ;;
 288         dpx2* | dpx2*-bull)
 289                 basic_machine=m68k-bull
 290                 os=-sysv3
 291                 ;;
 292         ebmon29k)
 293                 basic_machine=a29k-amd
 294                 os=-ebmon
 295                 ;;
 296         elxsi)
 297                 basic_machine=elxsi-elxsi
 298                 os=-bsd
 299                 ;;
 300         encore | umax | mmax)
 301                 basic_machine=ns32k-encore
 302                 ;;
 303         fx2800)
 304                 basic_machine=i860-alliant
 305                 ;;
 306         genix)
 307                 basic_machine=ns32k-ns
 308                 ;;
 309         gmicro)
 310                 basic_machine=tron-gmicro
 311                 os=-sysv
 312                 ;;
 313         h3050r* | hiux*)
 314                 basic_machine=hppa1.1-hitachi
 315                 os=-hiuxwe2
 316                 ;;
 317         h8300hms)
 318                 basic_machine=h8300-hitachi
 319                 os=-hms
 320                 ;;
 321         harris)
 322                 basic_machine=m88k-harris
 323                 os=-sysv3
 324                 ;;
 325         hp300-*)
 326                 basic_machine=m68k-hp
 327                 ;;
 328         hp300bsd)
 329                 basic_machine=m68k-hp
 330                 os=-bsd
 331                 ;;
 332         hp300hpux)
 333                 basic_machine=m68k-hp
 334                 os=-hpux
 335                 ;;
 336         hp9k2[0-9][0-9] | hp9k31[0-9])
 337                 basic_machine=m68000-hp
 338                 ;;
 339         hp9k3[2-9][0-9])
 340                 basic_machine=m68k-hp
 341                 ;;
 342         hp9k6[0-9][0-9] | hp6[0-9][0-9] )
 343                 basic_machine=hppa1.0-hp
 344                 ;;
 345         hp9k7[0-79][0-9] | hp7[0-79][0-9] )
 346                 basic_machine=hppa1.1-hp
 347                 ;;
 348         hp9k78[0-9] | hp78[0-9] )
 349                 # FIXME: really hppa2.0-hp
 350                 basic_machine=hppa1.1-hp
 351                 ;;
 352         hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | \
 353         hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893 )
 354                 # FIXME: really hppa2.0-hp
 355                 basic_machine=hppa1.1-hp
 356                 ;;
 357         hp9k8[0-9][13679] | hp8[0-9][13679] )
 358                 basic_machine=hppa1.1-hp
 359                 ;;
 360         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 361                 basic_machine=hppa1.0-hp
 362                 ;;
 363         hppa-next)
 364                 os=-nextstep3
 365                 ;;
 366         i370-ibm* | ibm*)
 367                 basic_machine=i370-ibm
 368                 os=-mvs
 369                 ;;
 370 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 371         i[34567]86v32)
 372                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 373                 os=-sysv32
 374                 ;;
 375         i[34567]86v4*)
 376                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 377                 os=-sysv4
 378                 ;;
 379         i[34567]86v)
 380                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 381                 os=-sysv
 382                 ;;
 383         i[34567]86sol2)
 384                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 385                 os=-solaris2
 386                 ;;
 387         iris | iris4d)
 388                 basic_machine=mips-sgi
 389                 case $os in
 390                     -irix*)
 391                         ;;
 392                     *)
 393                         os=-irix4
 394                         ;;
 395                 esac
 396                 ;;
 397         isi68 | isi)
 398                 basic_machine=m68k-isi
 399                 os=-sysv
 400                 ;;
 401         m88k-omron*)
 402                 basic_machine=m88k-omron
 403                 ;;
 404         magnum | m3230)
 405                 basic_machine=mips-mips
 406                 os=-sysv
 407                 ;;
 408         merlin)
 409                 basic_machine=ns32k-utek
 410                 os=-sysv
 411                 ;;
 412         miniframe)
 413                 basic_machine=m68000-convergent
 414                 ;;
 415         mipsel*-linux*)
 416                 basic_machine=mipsel-unknown
 417                 os=-linux-gnu
 418                 ;;
 419         mips*-linux*)
 420                 basic_machine=mips-unknown
 421                 os=-linux-gnu
 422                 ;;
 423         mips3*-*)
 424                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 425                 ;;
 426         mips3*)
 427                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 428                 ;;
 429         ncr3000)
 430                 basic_machine=i486-ncr
 431                 os=-sysv4
 432                 ;;
 433         news | news700 | news800 | news900)
 434                 basic_machine=m68k-sony
 435                 os=-newsos
 436                 ;;
 437         news1000)
 438                 basic_machine=m68030-sony
 439                 os=-newsos
 440                 ;;
 441         news-3600 | risc-news)
 442                 basic_machine=mips-sony
 443                 os=-newsos
 444                 ;;
 445         next | m*-next )
 446                 basic_machine=m68k-next
 447                 case $os in
 448                     -nextstep* )
 449                         ;;
 450                     -ns2*)
 451                       os=-nextstep2
 452                         ;;
 453                     *)
 454                       os=-nextstep3
 455                         ;;
 456                 esac
 457                 ;;
 458         nh3000)
 459                 basic_machine=m68k-harris
 460                 os=-cxux
 461                 ;;
 462         nh[45]000)
 463                 basic_machine=m88k-harris
 464                 os=-cxux
 465                 ;;
 466         nindy960)
 467                 basic_machine=i960-intel
 468                 os=-nindy
 469                 ;;
 470         np1)
 471                 basic_machine=np1-gould
 472                 ;;
 473         pa-hitachi)
 474                 basic_machine=hppa1.1-hitachi
 475                 os=-hiuxwe2
 476                 ;;
 477         paragon)
 478                 basic_machine=i860-intel
 479                 os=-osf
 480                 ;;
 481         pbd)
 482                 basic_machine=sparc-tti
 483                 ;;
 484         pbb)
 485                 basic_machine=m68k-tti
 486                 ;;
 487         pc532 | pc532-*)
 488                 basic_machine=ns32k-pc532
 489                 ;;
 490         pentium | p5 | k5 | nexen)
 491                 basic_machine=i586-pc
 492                 ;;
 493         pentiumpro | p6 | k6 | 6x86)
 494                 basic_machine=i686-pc
 495                 ;;
 496         pentiumii | pentium2)
 497                 basic_machine=i786-pc
 498                 ;;
 499         pentium-* | p5-* | k5-* | nexen-*)
 500                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 501                 ;;
 502         pentiumpro-* | p6-* | k6-* | 6x86-*)
 503                 basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 504                 ;;
 505         pentiumii-* | pentium2-*)
 506                 basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
 507                 ;;
 508         pn)
 509                 basic_machine=pn-gould
 510                 ;;
 511         power)  basic_machine=rs6000-ibm
 512                 ;;
 513         ppc)    basic_machine=powerpc-unknown
 514                 ;;
 515         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 516                 ;;
 517         ppcle | powerpclittle | ppc-le | powerpc-little)
 518                 basic_machine=powerpcle-unknown
 519                 ;;
 520         ppcle-* | powerpclittle-*)
 521                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 522                 ;;
 523         ps2)
 524                 basic_machine=i386-ibm
 525                 ;;
 526         rm[46]00)
 527                 basic_machine=mips-siemens
 528                 ;;
 529         rtpc | rtpc-*)
 530                 basic_machine=romp-ibm
 531                 ;;
 532         sequent)
 533                 basic_machine=i386-sequent
 534                 ;;
 535         sh)
 536                 basic_machine=sh-hitachi
 537                 os=-hms
 538                 ;;
 539         sps7)
 540                 basic_machine=m68k-bull
 541                 os=-sysv2
 542                 ;;
 543         spur)
 544                 basic_machine=spur-unknown
 545                 ;;
 546         sun2)
 547                 basic_machine=m68000-sun
 548                 ;;
 549         sun2os3)
 550                 basic_machine=m68000-sun
 551                 os=-sunos3
 552                 ;;
 553         sun2os4)
 554                 basic_machine=m68000-sun
 555                 os=-sunos4
 556                 ;;
 557         sun3os3)
 558                 basic_machine=m68k-sun
 559                 os=-sunos3
 560                 ;;
 561         sun3os4)
 562                 basic_machine=m68k-sun
 563                 os=-sunos4
 564                 ;;
 565         sun4os3)
 566                 basic_machine=sparc-sun
 567                 os=-sunos3
 568                 ;;
 569         sun4os4)
 570                 basic_machine=sparc-sun
 571                 os=-sunos4
 572                 ;;
 573         sun4sol2)
 574                 basic_machine=sparc-sun
 575                 os=-solaris2
 576                 ;;
 577         sun3 | sun3-*)
 578                 basic_machine=m68k-sun
 579                 ;;
 580         sun4)
 581                 basic_machine=sparc-sun
 582                 ;;
 583         sun386 | sun386i | roadrunner)
 584                 basic_machine=i386-sun
 585                 ;;
 586         symmetry)
 587                 basic_machine=i386-sequent
 588                 os=-dynix
 589                 ;;
 590         tx39)
 591                 basic_machine=mipstx39-unknown
 592                 ;;
 593         tx39el)
 594                 basic_machine=mipstx39el-unknown
 595                 ;;
 596         tower | tower-32)
 597                 basic_machine=m68k-ncr
 598                 ;;
 599         udi29k)
 600                 basic_machine=a29k-amd
 601                 os=-udi
 602                 ;;
 603         ultra3)
 604                 basic_machine=a29k-nyu
 605                 os=-sym1
 606                 ;;
 607         vaxv)
 608                 basic_machine=vax-dec
 609                 os=-sysv
 610                 ;;
 611         vms)
 612                 basic_machine=vax-dec
 613                 os=-vms
 614                 ;;
 615         vpp*|vx|vx-*)
 616                basic_machine=f301-fujitsu
 617                ;;
 618         vxworks960)
 619                 basic_machine=i960-wrs
 620                 os=-vxworks
 621                 ;;
 622         vxworks68)
 623                 basic_machine=m68k-wrs
 624                 os=-vxworks
 625                 ;;
 626         vxworks29k)
 627                 basic_machine=a29k-wrs
 628                 os=-vxworks
 629                 ;;
 630         xmp)
 631                 basic_machine=xmp-cray
 632                 os=-unicos
 633                 ;;
 634         xps | xps100)
 635                 basic_machine=xps100-honeywell
 636                 ;;
 637         none)
 638                 basic_machine=none-none
 639                 os=-none
 640                 ;;
 641
 642 # Here we handle the default manufacturer of certain CPU types.  It is in
 643 # some cases the only manufacturer, in others, it is the most popular.
 644         mips)
 645                 if [ x$os = x-linux-gnu ]; then
 646                         basic_machine=mips-unknown
 647                 else
 648                         basic_machine=mips-mips
 649                 fi
 650                 ;;
 651         romp)
 652                 basic_machine=romp-ibm
 653                 ;;
 654         rs6000)
 655                 basic_machine=rs6000-ibm
 656                 ;;
 657         vax)
 658                 basic_machine=vax-dec
 659                 ;;
 660         pdp11)
 661                 basic_machine=pdp11-dec
 662                 ;;
 663         we32k)
 664                 basic_machine=we32k-att
 665                 ;;
 666         sparc | sparcv9)
 667                 basic_machine=sparc-sun
 668                 ;;
 669         cydra)
 670                 basic_machine=cydra-cydrome
 671                 ;;
 672         orion)
 673                 basic_machine=orion-highlevel
 674                 ;;
 675         orion105)
 676                 basic_machine=clipper-highlevel
 677                 ;;
 678         *)
 679                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 680                 exit 1
 681                 ;;
 682 esac
 683
 684 # Here we canonicalize certain aliases for manufacturers.
 685 case $basic_machine in
 686         *-digital*)
 687                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 688                 ;;
 689         *-commodore*)
 690                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 691                 ;;
 692         *)
 693                 ;;
 694 esac
 695
 696 # Decode manufacturer-specific aliases for certain operating systems.
 697
 698 if [ x"$os" != x"" ]
 699 then
 700 case $os in
 701         # First match some system type aliases
 702         # that might get confused with valid system types.
 703         # -solaris* is a basic system type, with this one exception.
 704         -solaris1 | -solaris1.*)
 705                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
 706                 ;;
 707         -solaris)
 708                 os=-solaris2
 709                 ;;
 710         -svr4*)
 711                 os=-sysv4
 712                 ;;
 713         -unixware*)
 714                 os=-sysv4.2uw
 715                 ;;
 716         -gnu/linux*)
 717                 os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
 718                 ;;
 719         # First accept the basic system types.
 720         # The portable systems comes first.
 721         # Each alternative MUST END IN A *, to match a version number.
 722         # -sysv* is not here because it comes later, after sysvr4.
 723         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 724               | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
 725               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 726               | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
 727               | -aos* \
 728               | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 729               | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 730               | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
 731               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 732               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 733               | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 734               | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
 735               | -win32* | -mingw32* | -linux-gnu* | -uxpv* | -beos* )
 736         # Remember, each alternative MUST END IN *, to match a version number.
 737                 ;;
 738         -linux*)
 739                 os=`echo $os | sed -e 's|linux|linux-gnu|'`
 740                 ;;
 741         -sunos5*)
 742                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
 743                 ;;
 744         -sunos6*)
 745                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
 746                 ;;
 747         -osfrose*)
 748                 os=-osfrose
 749                 ;;
 750         -osf*)
 751                 os=-osf
 752                 ;;
 753         -utek*)
 754                 os=-bsd
 755                 ;;
 756         -dynix*)
 757                 os=-bsd
 758                 ;;
 759         -acis*)
 760                 os=-aos
 761                 ;;
 762         -ctix* | -uts*)
 763                 os=-sysv
 764                 ;;
 765         -ns2 )
 766                 os=-nextstep2
 767                 ;;
 768         # Preserve the version number of sinix5.
 769         -sinix5.*)
 770                 os=`echo $os | sed -e 's|sinix|sysv|'`
 771                 ;;
 772         -sinix*)
 773                 os=-sysv4
 774                 ;;
 775         -triton*)
 776                 os=-sysv3
 777                 ;;
 778         -oss*)
 779                 os=-sysv3
 780                 ;;
 781         -svr4)
 782                 os=-sysv4
 783                 ;;
 784         -svr3)
 785                 os=-sysv3
 786                 ;;
 787         -sysvr4)
 788                 os=-sysv4
 789                 ;;
 790         # This must come after -sysvr4.
 791         -sysv*)
 792                 ;;
 793         -xenix)
 794                 os=-xenix
 795                 ;;
 796         -none)
 797                 ;;
 798         *)
 799                 # Get rid of the `-' at the beginning of $os.
 800                 os=`echo $os | sed 's/[^-]*-//'`
 801                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 802                 exit 1
 803                 ;;
 804 esac
 805 else
 806
 807 # Here we handle the default operating systems that come with various machines.
 808 # The value should be what the vendor currently ships out the door with their
 809 # machine or put another way, the most popular os provided with the machine.
 810
 811 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 812 # "-sun"), then you have to tell the case statement up towards the top
 813 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 814 # will signal an error saying that MANUFACTURER isn't an operating
 815 # system, and we'll never get to this point.
 816
 817 case $basic_machine in
 818         *-acorn)
 819                 os=-riscix1.2
 820                 ;;
 821         arm*-semi)
 822                 os=-aout
 823                 ;;
 824         pdp11-*)
 825                 os=-none
 826                 ;;
 827         *-dec | vax-*)
 828                 os=-ultrix4.2
 829                 ;;
 830         m68*-apollo)
 831                 os=-domain
 832                 ;;
 833         i386-sun)
 834                 os=-sunos4.0.2
 835                 ;;
 836         m68000-sun)
 837                 os=-sunos3
 838                 # This also exists in the configure program, but was not the
 839                 # default.
 840                 # os=-sunos4
 841                 ;;
 842         *-tti)  # must be before sparc entry or we get the wrong os.
 843                 os=-sysv3
 844                 ;;
 845         sparc-* | *-sun)
 846                 os=-sunos4.1.1
 847                 ;;
 848         *-ibm)
 849                 os=-aix
 850                 ;;
 851         *-hp)
 852                 os=-hpux
 853                 ;;
 854         *-hitachi)
 855                 os=-hiux
 856                 ;;
 857         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 858                 os=-sysv
 859                 ;;
 860         *-cbm)
 861                 os=-amigaos
 862                 ;;
 863         *-dg)
 864                 os=-dgux
 865                 ;;
 866         *-dolphin)
 867                 os=-sysv3
 868                 ;;
 869         m68k-ccur)
 870                 os=-rtu
 871                 ;;
 872         m88k-omron*)
 873                 os=-luna
 874                 ;;
 875         *-next )
 876                 os=-nextstep
 877                 ;;
 878         *-sequent)
 879                 os=-ptx
 880                 ;;
 881         *-crds)
 882                 os=-unos
 883                 ;;
 884         *-ns)
 885                 os=-genix
 886                 ;;
 887         i370-*)
 888                 os=-mvs
 889                 ;;
 890         *-next)
 891                 os=-nextstep3
 892                 ;;
 893         *-gould)
 894                 os=-sysv
 895                 ;;
 896         *-highlevel)
 897                 os=-bsd
 898                 ;;
 899         *-encore)
 900                 os=-bsd
 901                 ;;
 902         *-sgi)
 903                 os=-irix
 904                 ;;
 905         *-siemens)
 906                 os=-sysv4
 907                 ;;
 908         *-masscomp)
 909                 os=-rtu
 910                 ;;
 911         f301-fujitsu)
 912                 os=-uxpv
 913                 ;;
 914         *-be)
 915                 os=-beos
 916                 ;;
 917         *)
 918                 os=-none
 919                 ;;
 920 esac
 921 fi
 922
 923 # Here we handle the case where we know the os, and the CPU type, but not the
 924 # manufacturer.  We pick the logical manufacturer.
 925 vendor=unknown
 926 case $basic_machine in
 927         *-unknown)
 928                 case $os in
 929                         -riscix*)
 930                                 vendor=acorn
 931                                 ;;
 932                         -sunos*)
 933                                 vendor=sun
 934                                 ;;
 935                         -aix*)
 936                                 vendor=ibm
 937                                 ;;
 938                         -hpux*)
 939                                 vendor=hp
 940                                 ;;
 941                         -hiux*)
 942                                 vendor=hitachi
 943                                 ;;
 944                         -unos*)
 945                                 vendor=crds
 946                                 ;;
 947                         -dgux*)
 948                                 vendor=dg
 949                                 ;;
 950                         -luna*)
 951                                 vendor=omron
 952                                 ;;
 953                         -genix*)
 954                                 vendor=ns
 955                                 ;;
 956                         -mvs*)
 957                                 vendor=ibm
 958                                 ;;
 959                         -ptx*)
 960                                 vendor=sequent
 961                                 ;;
 962                         -vxsim* | -vxworks*)
 963                                 vendor=wrs
 964                                 ;;
 965                         -aux*)
 966                                 vendor=apple
 967                                 ;;
 968                         -beos*)
 969                                 vendor=be
 970                                 ;;
 971                 esac
 972                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 973                 ;;
 974 esac
 975
 976 echo $basic_machine$os