Add support for ARM's Thumb instruction set.
[platform/upstream/gcc.git] / gcc / config.sub
1 #! /bin/sh
2 # Configuration validation subroutine script, version 1.1.
3 #   Copyright (C) 1991, 92, 93, 94, 95, 96, 1997 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=$basic_machine-unknown
164                 ;;
165         # We use `pc' rather than `unknown'
166         # because (1) that's what they normally are, and
167         # (2) the word "unknown" tends to confuse beginning users.
168         i[3456]86)
169           basic_machine=$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[3456]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[3456]86v32)
372                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
373                 os=-sysv32
374                 ;;
375         i[3456]86v4*)
376                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
377                 os=-sysv4
378                 ;;
379         i[3456]86v)
380                 basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
381                 os=-sysv
382                 ;;
383         i[3456]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)
491                 basic_machine=i586-intel
492                 ;;
493         pentiumpro | p6)
494                 basic_machine=i686-intel
495                 ;;
496         pentium-* | p5-*)
497                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
498                 ;;
499         pentiumpro-* | p6-*)
500                 basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
501                 ;;
502         k5)
503                 # We don't have specific support for AMD's K5 yet, so just call it a Pentium
504                 basic_machine=i586-amd
505                 ;;
506         nexen)
507                 # We don't have specific support for Nexgen yet, so just call it a Pentium
508                 basic_machine=i586-nexgen
509                 ;;
510         pn)
511                 basic_machine=pn-gould
512                 ;;
513         power)  basic_machine=rs6000-ibm
514                 ;;
515         ppc)    basic_machine=powerpc-unknown
516                 ;;
517         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
518                 ;;
519         ppcle | powerpclittle | ppc-le | powerpc-little)
520                 basic_machine=powerpcle-unknown
521                 ;;
522         ppcle-* | powerpclittle-*)
523                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
524                 ;;
525         ps2)
526                 basic_machine=i386-ibm
527                 ;;
528         rm[46]00)
529                 basic_machine=mips-siemens
530                 ;;
531         rtpc | rtpc-*)
532                 basic_machine=romp-ibm
533                 ;;
534         sequent)
535                 basic_machine=i386-sequent
536                 ;;
537         sh)
538                 basic_machine=sh-hitachi
539                 os=-hms
540                 ;;
541         sps7)
542                 basic_machine=m68k-bull
543                 os=-sysv2
544                 ;;
545         spur)
546                 basic_machine=spur-unknown
547                 ;;
548         sun2)
549                 basic_machine=m68000-sun
550                 ;;
551         sun2os3)
552                 basic_machine=m68000-sun
553                 os=-sunos3
554                 ;;
555         sun2os4)
556                 basic_machine=m68000-sun
557                 os=-sunos4
558                 ;;
559         sun3os3)
560                 basic_machine=m68k-sun
561                 os=-sunos3
562                 ;;
563         sun3os4)
564                 basic_machine=m68k-sun
565                 os=-sunos4
566                 ;;
567         sun4os3)
568                 basic_machine=sparc-sun
569                 os=-sunos3
570                 ;;
571         sun4os4)
572                 basic_machine=sparc-sun
573                 os=-sunos4
574                 ;;
575         sun4sol2)
576                 basic_machine=sparc-sun
577                 os=-solaris2
578                 ;;
579         sun3 | sun3-*)
580                 basic_machine=m68k-sun
581                 ;;
582         sun4)
583                 basic_machine=sparc-sun
584                 ;;
585         sun386 | sun386i | roadrunner)
586                 basic_machine=i386-sun
587                 ;;
588         symmetry)
589                 basic_machine=i386-sequent
590                 os=-dynix
591                 ;;
592         tx39)
593                 basic_machine=mipstx39-unknown
594                 ;;
595         tx39el)
596                 basic_machine=mipstx39el-unknown
597                 ;;
598         tower | tower-32)
599                 basic_machine=m68k-ncr
600                 ;;
601         udi29k)
602                 basic_machine=a29k-amd
603                 os=-udi
604                 ;;
605         ultra3)
606                 basic_machine=a29k-nyu
607                 os=-sym1
608                 ;;
609         vaxv)
610                 basic_machine=vax-dec
611                 os=-sysv
612                 ;;
613         vms)
614                 basic_machine=vax-dec
615                 os=-vms
616                 ;;
617         vpp*|vx|vx-*)
618                basic_machine=f301-fujitsu
619                ;;
620         vxworks960)
621                 basic_machine=i960-wrs
622                 os=-vxworks
623                 ;;
624         vxworks68)
625                 basic_machine=m68k-wrs
626                 os=-vxworks
627                 ;;
628         vxworks29k)
629                 basic_machine=a29k-wrs
630                 os=-vxworks
631                 ;;
632         xmp)
633                 basic_machine=xmp-cray
634                 os=-unicos
635                 ;;
636         xps | xps100)
637                 basic_machine=xps100-honeywell
638                 ;;
639         none)
640                 basic_machine=none-none
641                 os=-none
642                 ;;
643
644 # Here we handle the default manufacturer of certain CPU types.  It is in
645 # some cases the only manufacturer, in others, it is the most popular.
646         mips)
647                 if [ x$os = x-linux-gnu ]; then
648                         basic_machine=mips-unknown
649                 else
650                         basic_machine=mips-mips
651                 fi
652                 ;;
653         romp)
654                 basic_machine=romp-ibm
655                 ;;
656         rs6000)
657                 basic_machine=rs6000-ibm
658                 ;;
659         vax)
660                 basic_machine=vax-dec
661                 ;;
662         pdp11)
663                 basic_machine=pdp11-dec
664                 ;;
665         we32k)
666                 basic_machine=we32k-att
667                 ;;
668         sparc)
669                 basic_machine=sparc-sun
670                 ;;
671         cydra)
672                 basic_machine=cydra-cydrome
673                 ;;
674         orion)
675                 basic_machine=orion-highlevel
676                 ;;
677         orion105)
678                 basic_machine=clipper-highlevel
679                 ;;
680         *)
681                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
682                 exit 1
683                 ;;
684 esac
685
686 # Here we canonicalize certain aliases for manufacturers.
687 case $basic_machine in
688         *-digital*)
689                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
690                 ;;
691         *-commodore*)
692                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
693                 ;;
694         *)
695                 ;;
696 esac
697
698 # Decode manufacturer-specific aliases for certain operating systems.
699
700 if [ x"$os" != x"" ]
701 then
702 case $os in
703         # First match some system type aliases
704         # that might get confused with valid system types.
705         # -solaris* is a basic system type, with this one exception.
706         -solaris1 | -solaris1.*)
707                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
708                 ;;
709         -solaris)
710                 os=-solaris2
711                 ;;
712         -svr4*)
713                 os=-sysv4
714                 ;;
715         -unixware*)
716                 os=-sysv4.2uw
717                 ;;
718         -gnu/linux*)
719                 os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
720                 ;;
721         # First accept the basic system types.
722         # The portable systems comes first.
723         # Each alternative MUST END IN A *, to match a version number.
724         # -sysv* is not here because it comes later, after sysvr4.
725         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
726               | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
727               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
728               | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
729               | -aos* \
730               | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
731               | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
732               | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
733               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
734               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
735               | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
736               | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
737               | -mingw32* | -linux-gnu* | -uxpv* | -beos* )
738         # Remember, each alternative MUST END IN *, to match a version number.
739                 ;;
740         -linux*)
741                 os=`echo $os | sed -e 's|linux|linux-gnu|'`
742                 ;;
743         -sunos5*)
744                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
745                 ;;
746         -sunos6*)
747                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
748                 ;;
749         -osfrose*)
750                 os=-osfrose
751                 ;;
752         -osf*)
753                 os=-osf
754                 ;;
755         -utek*)
756                 os=-bsd
757                 ;;
758         -dynix*)
759                 os=-bsd
760                 ;;
761         -acis*)
762                 os=-aos
763                 ;;
764         -ctix* | -uts*)
765                 os=-sysv
766                 ;;
767         -ns2 )
768                 os=-nextstep2
769                 ;;
770         # Preserve the version number of sinix5.
771         -sinix5.*)
772                 os=`echo $os | sed -e 's|sinix|sysv|'`
773                 ;;
774         -sinix*)
775                 os=-sysv4
776                 ;;
777         -triton*)
778                 os=-sysv3
779                 ;;
780         -oss*)
781                 os=-sysv3
782                 ;;
783         -svr4)
784                 os=-sysv4
785                 ;;
786         -svr3)
787                 os=-sysv3
788                 ;;
789         -sysvr4)
790                 os=-sysv4
791                 ;;
792         # This must come after -sysvr4.
793         -sysv*)
794                 ;;
795         -xenix)
796                 os=-xenix
797                 ;;
798         -none)
799                 ;;
800         *)
801                 # Get rid of the `-' at the beginning of $os.
802                 os=`echo $os | sed 's/[^-]*-//'`
803                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
804                 exit 1
805                 ;;
806 esac
807 else
808
809 # Here we handle the default operating systems that come with various machines.
810 # The value should be what the vendor currently ships out the door with their
811 # machine or put another way, the most popular os provided with the machine.
812
813 # Note that if you're going to try to match "-MANUFACTURER" here (say,
814 # "-sun"), then you have to tell the case statement up towards the top
815 # that MANUFACTURER isn't an operating system.  Otherwise, code above
816 # will signal an error saying that MANUFACTURER isn't an operating
817 # system, and we'll never get to this point.
818
819 case $basic_machine in
820         *-acorn)
821                 os=-riscix1.2
822                 ;;
823         arm*-semi)
824                 os=-aout
825                 ;;
826         pdp11-*)
827                 os=-none
828                 ;;
829         *-dec | vax-*)
830                 os=-ultrix4.2
831                 ;;
832         m68*-apollo)
833                 os=-domain
834                 ;;
835         i386-sun)
836                 os=-sunos4.0.2
837                 ;;
838         m68000-sun)
839                 os=-sunos3
840                 # This also exists in the configure program, but was not the
841                 # default.
842                 # os=-sunos4
843                 ;;
844         *-tti)  # must be before sparc entry or we get the wrong os.
845                 os=-sysv3
846                 ;;
847         sparc-* | *-sun)
848                 os=-sunos4.1.1
849                 ;;
850         *-ibm)
851                 os=-aix
852                 ;;
853         *-hp)
854                 os=-hpux
855                 ;;
856         *-hitachi)
857                 os=-hiux
858                 ;;
859         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
860                 os=-sysv
861                 ;;
862         *-cbm)
863                 os=-amigaos
864                 ;;
865         *-dg)
866                 os=-dgux
867                 ;;
868         *-dolphin)
869                 os=-sysv3
870                 ;;
871         m68k-ccur)
872                 os=-rtu
873                 ;;
874         m88k-omron*)
875                 os=-luna
876                 ;;
877         *-next )
878                 os=-nextstep
879                 ;;
880         *-sequent)
881                 os=-ptx
882                 ;;
883         *-crds)
884                 os=-unos
885                 ;;
886         *-ns)
887                 os=-genix
888                 ;;
889         i370-*)
890                 os=-mvs
891                 ;;
892         *-next)
893                 os=-nextstep3
894                 ;;
895         *-gould)
896                 os=-sysv
897                 ;;
898         *-highlevel)
899                 os=-bsd
900                 ;;
901         *-encore)
902                 os=-bsd
903                 ;;
904         *-sgi)
905                 os=-irix
906                 ;;
907         *-siemens)
908                 os=-sysv4
909                 ;;
910         *-masscomp)
911                 os=-rtu
912                 ;;
913         f301-fujitsu)
914                 os=-uxpv
915                 ;;
916         *-be)
917                 os=-beos
918                 ;;
919         *)
920                 os=-none
921                 ;;
922 esac
923 fi
924
925 # Here we handle the case where we know the os, and the CPU type, but not the
926 # manufacturer.  We pick the logical manufacturer.
927 vendor=unknown
928 case $basic_machine in
929         *-unknown)
930                 case $os in
931                         -riscix*)
932                                 vendor=acorn
933                                 ;;
934                         -sunos*)
935                                 vendor=sun
936                                 ;;
937                         -aix*)
938                                 vendor=ibm
939                                 ;;
940                         -hpux*)
941                                 vendor=hp
942                                 ;;
943                         -hiux*)
944                                 vendor=hitachi
945                                 ;;
946                         -unos*)
947                                 vendor=crds
948                                 ;;
949                         -dgux*)
950                                 vendor=dg
951                                 ;;
952                         -luna*)
953                                 vendor=omron
954                                 ;;
955                         -genix*)
956                                 vendor=ns
957                                 ;;
958                         -mvs*)
959                                 vendor=ibm
960                                 ;;
961                         -ptx*)
962                                 vendor=sequent
963                                 ;;
964                         -vxsim* | -vxworks*)
965                                 vendor=wrs
966                                 ;;
967                         -aux*)
968                                 vendor=apple
969                                 ;;
970                         -beos*)
971                                 vendor=be
972                                 ;;
973                 esac
974                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
975                 ;;
976 esac
977
978 echo $basic_machine$os