contrib/tcsh/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 $basic_machine in
 150         # Recognize the basic CPU types without company name.
 151         # Some are omitted here because they have special meanings below.
 152         tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \
 153                 | arme[lb] | pyramid | mn10200 | mn10300 | tron | a29k \
 154                 | 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 | hppa2.0 \
 155                 | hppa2.0n \
 156                 | alpha | alphaev5 | alphaev56 | alphaev6 \
 157                 | we32k | ns16k | clipper \
 158                 | i370 | sh | powerpc | powerpcle | 1750a | dsp16xx | pdp11 \
 159                 | mips64 | mipsel | mips64el | mips64orion | mips64orionel \
 160                 | mipstx39 | mipstx39el \
 161                 | sparc | sparclet | sparclite | sparc64 | v850)
 162                 basic_machine=$basic_machine-unknown
 163                 ;;
 164         # We use `pc' rather than `unknown'
 165         # because (1) that's what they normally are, and
 166         # (2) the word "unknown" tends to confuse beginning users.
 167         i[34567]86)
 168           basic_machine=$basic_machine-pc
 169           ;;
 170         # Object if more than one company name word.
 171         *-*-*)
 172                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 173                 exit 1
 174                 ;;
 175         # Recognize the basic CPU types with company name.
 176         vax-* | tahoe-* | i[34567]86-* | i860-* | m32r-* | m68k-* | m68000-* \
 177               | m88k-* | sparc-* | ns32k-* | fx80-* | arc-* | arm-* | c[123]* \
 178               | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
 179               | power-* | none-* | 580-* | cray2-* | h8300-* | i960-* \
 180               | xmp-* | ymp-* | hppa-* | hppa1.0-* | hppa1.1-* | hppa2.0-* \
 181               | hppa2.0n-* \
 182               | alpha-* | alphaev5-* | alphaev56-* | alphaev6-* \
 183               | we32k-* | cydra-* \
 184               | ns16k-* | pn-* | np1-* | xps100-* | clipper-* | orion-* \
 185               | sparclite-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
 186               | sparc64-* | mips64-* | mipsel-* \
 187               | mips64el-* | mips64orion-* | mips64orionel-*  \
 188               | mipstx39-* | mipstx39el-* \
 189               | f301-*)
 190                 ;;
 191         # Recognize the various machine names and aliases which stand
 192         # for a CPU type and a company and sometimes even an OS.
 193         3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 194                 basic_machine=m68000-att
 195                 ;;
 196         3b*)
 197                 basic_machine=we32k-att
 198                 ;;
 199         alliant | fx80)
 200                 basic_machine=fx80-alliant
 201                 ;;
 202         altos | altos3068)
 203                 basic_machine=m68k-altos
 204                 ;;
 205         am29k)
 206                 basic_machine=a29k-none
 207                 os=-bsd
 208                 ;;
 209         amdahl)
 210                 basic_machine=580-amdahl
 211                 os=-sysv
 212                 ;;
 213         amiga | amiga-*)
 214                 basic_machine=m68k-cbm
 215                 ;;
 216         amigaos | amigados)
 217                 basic_machine=m68k-cbm
 218                 os=-amigaos
 219                 ;;
 220         amigaunix | amix)
 221                 basic_machine=m68k-cbm
 222                 os=-sysv4
 223                 ;;
 224         apollo68)
 225                 basic_machine=m68k-apollo
 226                 os=-sysv
 227                 ;;
 228         aux)
 229                 basic_machine=m68k-apple
 230                 os=-aux
 231                 ;;
 232         balance)
 233                 basic_machine=ns32k-sequent
 234                 os=-dynix
 235                 ;;
 236         convex-c1)
 237                 basic_machine=c1-convex
 238                 os=-bsd
 239                 ;;
 240         convex-c2)
 241                 basic_machine=c2-convex
 242                 os=-bsd
 243                 ;;
 244         convex-c32)
 245                 basic_machine=c32-convex
 246                 os=-bsd
 247                 ;;
 248         convex-c34)
 249                 basic_machine=c34-convex
 250                 os=-bsd
 251                 ;;
 252         convex-c38)
 253                 basic_machine=c38-convex
 254                 os=-bsd
 255                 ;;
 256         cray | ymp)
 257                 basic_machine=ymp-cray
 258                 os=-unicos
 259                 ;;
 260         cray2)
 261                 basic_machine=cray2-cray
 262                 os=-unicos
 263                 ;;
 264         [ctj]90-cray)
 265                 basic_machine=c90-cray
 266                 os=-unicos
 267                 ;;
 268         crds | unos)
 269                 basic_machine=m68k-crds
 270                 ;;
 271         da30 | da30-*)
 272                 basic_machine=m68k-da30
 273                 ;;
 274         decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 275                 basic_machine=mips-dec
 276                 ;;
 277         delta | 3300 | motorola-3300 | motorola-delta \
 278               | 3300-motorola | delta-motorola)
 279                 basic_machine=m68k-motorola
 280                 ;;
 281         delta88)
 282                 basic_machine=m88k-motorola
 283                 os=-sysv3
 284                 ;;
 285         dpx20 | dpx20-*)
 286                 basic_machine=rs6000-bull
 287                 os=-bosx
 288                 ;;
 289         dpx2* | dpx2*-bull)
 290                 basic_machine=m68k-bull
 291                 os=-sysv3
 292                 ;;
 293         ebmon29k)
 294                 basic_machine=a29k-amd
 295                 os=-ebmon
 296                 ;;
 297         elxsi)
 298                 basic_machine=elxsi-elxsi
 299                 os=-bsd
 300                 ;;
 301         encore | umax | mmax)
 302                 basic_machine=ns32k-encore
 303                 ;;
 304         fx2800)
 305                 basic_machine=i860-alliant
 306                 ;;
 307         genix)
 308                 basic_machine=ns32k-ns
 309                 ;;
 310         gmicro)
 311                 basic_machine=tron-gmicro
 312                 os=-sysv
 313                 ;;
 314         h3050r* | hiux*)
 315                 basic_machine=hppa1.1-hitachi
 316                 os=-hiuxwe2
 317                 ;;
 318         h8300hms)
 319                 basic_machine=h8300-hitachi
 320                 os=-hms
 321                 ;;
 322         harris)
 323                 basic_machine=m88k-harris
 324                 os=-sysv3
 325                 ;;
 326         hp300-*)
 327                 basic_machine=m68k-hp
 328                 ;;
 329         hp300bsd)
 330                 basic_machine=m68k-hp
 331                 os=-bsd
 332                 ;;
 333         hp300hpux)
 334                 basic_machine=m68k-hp
 335                 os=-hpux
 336                 ;;
 337         hp9k2[0-9][0-9] | hp9k31[0-9])
 338                 basic_machine=m68000-hp
 339                 ;;
 340         hp9k3[2-9][0-9])
 341                 basic_machine=m68k-hp
 342                 ;;
 343         hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
 344                 basic_machine=hppa1.1-hp
 345                 ;;
 346         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 347                 basic_machine=hppa1.0-hp
 348                 ;;
 349         hppa-next)
 350                 os=-nextstep3
 351                 ;;
 352         i370-ibm* | ibm*)
 353                 basic_machine=i370-ibm
 354                 os=-mvs
 355                 ;;
 356         s390-ibm* )
 357                 basic_machine=s390-ibm
 358                 os=-os390
 359                 ;;
 360 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 361         i[34567]86v32)
 362                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 363                 os=-sysv32
 364                 ;;
 365         i[34567]86v4*)
 366                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 367                 os=-sysv4
 368                 ;;
 369         i[34567]86v)
 370                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 371                 os=-sysv
 372                 ;;
 373         i[34567]86sol2)
 374                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 375                 os=-solaris2
 376                 ;;
 377         iris | iris4d)
 378                 basic_machine=mips-sgi
 379                 case $os in
 380                     -irix*)
 381                         ;;
 382                     *)
 383                         os=-irix4
 384                         ;;
 385                 esac
 386                 ;;
 387         isi68 | isi)
 388                 basic_machine=m68k-isi
 389                 os=-sysv
 390                 ;;
 391         m88k-omron*)
 392                 basic_machine=m88k-omron
 393                 ;;
 394         magnum | m3230)
 395                 basic_machine=mips-mips
 396                 os=-sysv
 397                 ;;
 398         merlin)
 399                 basic_machine=ns32k-utek
 400                 os=-sysv
 401                 ;;
 402         miniframe)
 403                 basic_machine=m68000-convergent
 404                 ;;
 405         mipsel*-linux*)
 406                 basic_machine=mipsel-unknown
 407                 os=-linux-gnu
 408                 ;;
 409         mips*-linux*)
 410                 basic_machine=mips-unknown
 411                 os=-linux-gnu
 412                 ;;
 413         mips3*-*)
 414                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 415                 ;;
 416         mips3*)
 417                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 418                 ;;
 419         ncr3000)
 420                 basic_machine=i486-ncr
 421                 os=-sysv4
 422                 ;;
 423         news | news700 | news800 | news900)
 424                 basic_machine=m68k-sony
 425                 os=-newsos
 426                 ;;
 427         news1000)
 428                 basic_machine=m68030-sony
 429                 os=-newsos
 430                 ;;
 431         news-3600 | risc-news)
 432                 basic_machine=mips-sony
 433                 os=-newsos
 434                 ;;
 435         next | m*-next )
 436                 basic_machine=m68k-next
 437                 case $os in
 438                     -nextstep* )
 439                         ;;
 440                     -ns2*)
 441                       os=-nextstep2
 442                         ;;
 443                     *)
 444                       os=-nextstep3
 445                         ;;
 446                 esac
 447                 ;;
 448         nh3000)
 449                 basic_machine=m68k-harris
 450                 os=-cxux
 451                 ;;
 452         nh[45]000)
 453                 basic_machine=m88k-harris
 454                 os=-cxux
 455                 ;;
 456         nindy960)
 457                 basic_machine=i960-intel
 458                 os=-nindy
 459                 ;;
 460         np1)
 461                 basic_machine=np1-gould
 462                 ;;
 463         pa-hitachi)
 464                 basic_machine=hppa1.1-hitachi
 465                 os=-hiuxwe2
 466                 ;;
 467         paragon)
 468                 basic_machine=i860-intel
 469                 os=-osf
 470                 ;;
 471         pbd)
 472                 basic_machine=sparc-tti
 473                 ;;
 474         pbb)
 475                 basic_machine=m68k-tti
 476                 ;;
 477         pc532 | pc532-*)
 478                 basic_machine=ns32k-pc532
 479                 ;;
 480         pentium | p5 | k5 | nexen)
 481                 basic_machine=i586-pc
 482                 ;;
 483         pentiumpro | p6 | k6 | 6x86)
 484                 basic_machine=i686-pc
 485                 ;;
 486         pentiumii | pentium2)
 487                 basic_machine=i786-pc
 488                 ;;
 489         pentium-* | p5-* | k5-* | nexen-*)
 490                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 491                 ;;
 492         pentiumpro-* | p6-* | k6-* | 6x86-*)
 493                 basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 494                 ;;
 495         pentiumii-* | pentium2-*)
 496                 basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
 497                 ;;
 498         pn)
 499                 basic_machine=pn-gould
 500                 ;;
 501         power)  basic_machine=rs6000-ibm
 502                 ;;
 503         ppc)    basic_machine=powerpc-unknown
 504                 ;;
 505         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 506                 ;;
 507         ppcle | powerpclittle | ppc-le | powerpc-little)
 508                 basic_machine=powerpcle-unknown
 509                 ;;
 510         ppcle-* | powerpclittle-*)
 511                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 512                 ;;
 513         ps2)
 514                 basic_machine=i386-ibm
 515                 ;;
 516         rm[46]00)
 517                 basic_machine=mips-siemens
 518                 ;;
 519         rtpc | rtpc-*)
 520                 basic_machine=romp-ibm
 521                 ;;
 522         sequent)
 523                 basic_machine=i386-sequent
 524                 ;;
 525         sh)
 526                 basic_machine=sh-hitachi
 527                 os=-hms
 528                 ;;
 529         sps7)
 530                 basic_machine=m68k-bull
 531                 os=-sysv2
 532                 ;;
 533         spur)
 534                 basic_machine=spur-unknown
 535                 ;;
 536         sun2)
 537                 basic_machine=m68000-sun
 538                 ;;
 539         sun2os3)
 540                 basic_machine=m68000-sun
 541                 os=-sunos3
 542                 ;;
 543         sun2os4)
 544                 basic_machine=m68000-sun
 545                 os=-sunos4
 546                 ;;
 547         sun3os3)
 548                 basic_machine=m68k-sun
 549                 os=-sunos3
 550                 ;;
 551         sun3os4)
 552                 basic_machine=m68k-sun
 553                 os=-sunos4
 554                 ;;
 555         sun4os3)
 556                 basic_machine=sparc-sun
 557                 os=-sunos3
 558                 ;;
 559         sun4os4)
 560                 basic_machine=sparc-sun
 561                 os=-sunos4
 562                 ;;
 563         sun4sol2)
 564                 basic_machine=sparc-sun
 565                 os=-solaris2
 566                 ;;
 567         sun3 | sun3-*)
 568                 basic_machine=m68k-sun
 569                 ;;
 570         sun4)
 571                 basic_machine=sparc-sun
 572                 ;;
 573         sun386 | sun386i | roadrunner)
 574                 basic_machine=i386-sun
 575                 ;;
 576         symmetry)
 577                 basic_machine=i386-sequent
 578                 os=-dynix
 579                 ;;
 580         tx39)
 581                 basic_machine=mipstx39-unknown
 582                 ;;
 583         tx39el)
 584                 basic_machine=mipstx39el-unknown
 585                 ;;
 586         tower | tower-32)
 587                 basic_machine=m68k-ncr
 588                 ;;
 589         udi29k)
 590                 basic_machine=a29k-amd
 591                 os=-udi
 592                 ;;
 593         ultra3)
 594                 basic_machine=a29k-nyu
 595                 os=-sym1
 596                 ;;
 597         vaxv)
 598                 basic_machine=vax-dec
 599                 os=-sysv
 600                 ;;
 601         vms)
 602                 basic_machine=vax-dec
 603                 os=-vms
 604                 ;;
 605         vpp*|vx|vx-*)
 606                basic_machine=f301-fujitsu
 607                ;;
 608         vxworks960)
 609                 basic_machine=i960-wrs
 610                 os=-vxworks
 611                 ;;
 612         vxworks68)
 613                 basic_machine=m68k-wrs
 614                 os=-vxworks
 615                 ;;
 616         vxworks29k)
 617                 basic_machine=a29k-wrs
 618                 os=-vxworks
 619                 ;;
 620         xmp)
 621                 basic_machine=xmp-cray
 622                 os=-unicos
 623                 ;;
 624         xps | xps100)
 625                 basic_machine=xps100-honeywell
 626                 ;;
 627         none)
 628                 basic_machine=none-none
 629                 os=-none
 630                 ;;
 631
 632 # Here we handle the default manufacturer of certain CPU types.  It is in
 633 # some cases the only manufacturer, in others, it is the most popular.
 634         mips)
 635                 if [ x$os = x-linux-gnu ]; then
 636                         basic_machine=mips-unknown
 637                 else
 638                         basic_machine=mips-mips
 639                 fi
 640                 ;;
 641         romp)
 642                 basic_machine=romp-ibm
 643                 ;;
 644         rs6000)
 645                 basic_machine=rs6000-ibm
 646                 ;;
 647         vax)
 648                 basic_machine=vax-dec
 649                 ;;
 650         pdp11)
 651                 basic_machine=pdp11-dec
 652                 ;;
 653         we32k)
 654                 basic_machine=we32k-att
 655                 ;;
 656         sparc)
 657                 basic_machine=sparc-sun
 658                 ;;
 659         cydra)
 660                 basic_machine=cydra-cydrome
 661                 ;;
 662         orion)
 663                 basic_machine=orion-highlevel
 664                 ;;
 665         orion105)
 666                 basic_machine=clipper-highlevel
 667                 ;;
 668         *)
 669                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 670                 exit 1
 671                 ;;
 672 esac
 673
 674 # Here we canonicalize certain aliases for manufacturers.
 675 case $basic_machine in
 676         *-digital*)
 677                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 678                 ;;
 679         *-commodore*)
 680                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 681                 ;;
 682         *)
 683                 ;;
 684 esac
 685
 686 # Decode manufacturer-specific aliases for certain operating systems.
 687
 688 if [ x"$os" != x"" ]
 689 then
 690 case $os in
 691         # First match some system type aliases
 692         # that might get confused with valid system types.
 693         # -solaris* is a basic system type, with this one exception.
 694         -solaris1 | -solaris1.*)
 695                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
 696                 ;;
 697         -solaris)
 698                 os=-solaris2
 699                 ;;
 700         -svr4*)
 701                 os=-sysv4
 702                 ;;
 703         -unixware*)
 704                 os=-sysv4.2uw
 705                 ;;
 706         -gnu/linux*)
 707                 os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
 708                 ;;
 709         # First accept the basic system types.
 710         # The portable systems comes first.
 711         # Each alternative MUST END IN A *, to match a version number.
 712         # -sysv* is not here because it comes later, after sysvr4.
 713         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 714               | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
 715               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 716               | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
 717               | -aos* \
 718               | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 719               | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 720               | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
 721               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 722               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 723               | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 724               | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
 725               | -mingw32* | -linux-gnu* | -uxpv* | -beos*)
 726         # Remember, each alternative MUST END IN *, to match a version number.
 727                 ;;
 728         -linux*)
 729                 os=`echo $os | sed -e 's|linux|linux-gnu|'`
 730                 ;;
 731         -sunos5*)
 732                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
 733                 ;;
 734         -sunos6*)
 735                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
 736                 ;;
 737         -osfrose*)
 738                 os=-osfrose
 739                 ;;
 740         -osf*)
 741                 os=-osf
 742                 ;;
 743         -utek*)
 744                 os=-bsd
 745                 ;;
 746         -dynix*)
 747                 os=-bsd
 748                 ;;
 749         -acis*)
 750                 os=-aos
 751                 ;;
 752         -ctix* | -uts*)
 753                 os=-sysv
 754                 ;;
 755         -ns2 )
 756                 os=-nextstep2
 757                 ;;
 758         # Preserve the version number of sinix5.
 759         -sinix5.*)
 760                 os=`echo $os | sed -e 's|sinix|sysv|'`
 761                 ;;
 762         -sinix*)
 763                 os=-sysv4
 764                 ;;
 765         -triton*)
 766                 os=-sysv3
 767                 ;;
 768         -oss*)
 769                 os=-sysv3
 770                 ;;
 771         -svr4)
 772                 os=-sysv4
 773                 ;;
 774         -svr3)
 775                 os=-sysv3
 776                 ;;
 777         -sysvr4)
 778                 os=-sysv4
 779                 ;;
 780         # This must come after -sysvr4.
 781         -sysv*)
 782                 ;;
 783         -xenix)
 784                 os=-xenix
 785                 ;;
 786         -os390*)
 787                 os=-os390
 788                 ;;
 789         -none)
 790                 ;;
 791         *)
 792                 # Get rid of the `-' at the beginning of $os.
 793                 os=`echo $os | sed 's/[^-]*-//'`
 794                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 795                 exit 1
 796                 ;;
 797 esac
 798 else
 799
 800 # Here we handle the default operating systems that come with various machines.
 801 # The value should be what the vendor currently ships out the door with their
 802 # machine or put another way, the most popular os provided with the machine.
 803
 804 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 805 # "-sun"), then you have to tell the case statement up towards the top
 806 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 807 # will signal an error saying that MANUFACTURER isn't an operating
 808 # system, and we'll never get to this point.
 809
 810 case $basic_machine in
 811         *-acorn)
 812                 os=-riscix1.2
 813                 ;;
 814         arm*-semi)
 815                 os=-aout
 816                 ;;
 817         pdp11-*)
 818                 os=-none
 819                 ;;
 820         *-dec | vax-*)
 821                 os=-ultrix4.2
 822                 ;;
 823         m68*-apollo)
 824                 os=-domain
 825                 ;;
 826         i386-sun)
 827                 os=-sunos4.0.2
 828                 ;;
 829         m68000-sun)
 830                 os=-sunos3
 831                 # This also exists in the configure program, but was not the
 832                 # default.
 833                 # os=-sunos4
 834                 ;;
 835         *-tti)  # must be before sparc entry or we get the wrong os.
 836                 os=-sysv3
 837                 ;;
 838         sparc-* | *-sun)
 839                 os=-sunos4.1.1
 840                 ;;
 841         *-be)
 842                 os=-beos
 843                 ;;
 844         *-ibm)
 845                 os=-aix
 846                 ;;
 847         *-hp)
 848                 os=-hpux
 849                 ;;
 850         *-hitachi)
 851                 os=-hiux
 852                 ;;
 853         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 854                 os=-sysv
 855                 ;;
 856         *-cbm)
 857                 os=-amigaos
 858                 ;;
 859         *-dg)
 860                 os=-dgux
 861                 ;;
 862         *-dolphin)
 863                 os=-sysv3
 864                 ;;
 865         m68k-ccur)
 866                 os=-rtu
 867                 ;;
 868         m88k-omron*)
 869                 os=-luna
 870                 ;;
 871         *-next )
 872                 os=-nextstep
 873                 ;;
 874         *-sequent)
 875                 os=-ptx
 876                 ;;
 877         *-crds)
 878                 os=-unos
 879                 ;;
 880         *-ns)
 881                 os=-genix
 882                 ;;
 883         i370-*)
 884                 os=-mvs
 885                 ;;
 886         *-next)
 887                 os=-nextstep3
 888                 ;;
 889         *-gould)
 890                 os=-sysv
 891                 ;;
 892         *-highlevel)
 893                 os=-bsd
 894                 ;;
 895         *-encore)
 896                 os=-bsd
 897                 ;;
 898         *-sgi)
 899                 os=-irix
 900                 ;;
 901         *-siemens)
 902                 os=-sysv4
 903                 ;;
 904         *-masscomp)
 905                 os=-rtu
 906                 ;;
 907         f301-fujitsu)
 908                 os=-uxpv
 909                 ;;
 910         *)
 911                 os=-none
 912                 ;;
 913 esac
 914 fi
 915
 916 # Here we handle the case where we know the os, and the CPU type, but not the
 917 # manufacturer.  We pick the logical manufacturer.
 918 vendor=unknown
 919 case $basic_machine in
 920         *-unknown)
 921                 case $os in
 922                         -riscix*)
 923                                 vendor=acorn
 924                                 ;;
 925                         -sunos*)
 926                                 vendor=sun
 927                                 ;;
 928                         -aix*)
 929                                 vendor=ibm
 930                                 ;;
 931                         -hpux*)
 932                                 vendor=hp
 933                                 ;;
 934                         -hiux*)
 935                                 vendor=hitachi
 936                                 ;;
 937                         -unos*)
 938                                 vendor=crds
 939                                 ;;
 940                         -dgux*)
 941                                 vendor=dg
 942                                 ;;
 943                         -luna*)
 944                                 vendor=omron
 945                                 ;;
 946                         -genix*)
 947                                 vendor=ns
 948                                 ;;
 949                         -mvs*)
 950                                 vendor=ibm
 951                                 ;;
 952                         -os390*)
 953                                 vendor=ibm
 954                                 ;;
 955                         -ptx*)
 956                                 vendor=sequent
 957                                 ;;
 958                         -vxsim* | -vxworks*)
 959                                 vendor=wrs
 960                                 ;;
 961                         -aux*)
 962                                 vendor=apple
 963                                 ;;
 964                 esac
 965                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 966                 ;;
 967 esac
 968
 969 echo $basic_machine$os