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