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[pf3gnuchains/gcc-fork.git] / 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 $basic_machine in
150         # Recognize the basic CPU types without company name.
151         # Some are omitted here because they have special meanings below.
152         tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \
153                 | arme[lb] | pyramid | mn10200 | mn10300 \
154                 | tron | a29k | 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 \
155                 | alpha | alphaev5 | alphaev56 | we32k | ns16k | clipper \
156                 | i370 | sh | powerpc | powerpcle | 1750a | dsp16xx | pdp11 \
157                 | mips64 | mipsel | mips64el | mips64orion | mips64orionel \
158                 | mipstx39 | mipstx39el \
159                 | sparc | sparclet | sparclite | sparc64 | v850)
160                 basic_machine=$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-* | 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)
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               | -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