Improve discussion of errno.
[glibc/history.git] / config.sub
blob171854d048877bee55554ac0d4a8bade0c08a476
1 #!/bin/sh
2 # Configuration validation subroutine script, version 1.1.
3 # Copyright (C) 1991, 1992 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.
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.
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.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
23 # Configuration subroutine to validate and canonicalize a configuration type.
24 # Supply the specified configuration type as an argument.
25 # If it is invalid, we print an error message on stderr and exit with code 1.
26 # Otherwise, we print the canonical config type on stdout and succeed.
28 # This file is supposed to be the same for all GNU packages
29 # and recognize all the CPU types, system types and aliases
30 # that are meaningful with *any* GNU software.
31 # Each package is responsible for reporting which valid configurations
32 # it does not support. The user should be able to distinguish
33 # a failure to support a valid configuration from a meaningless
34 # configuration.
36 # The goal of this file is to map all the various variations of a given
37 # machine specification into a single specification in the form:
38 # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
39 # it is wrong to echo any other type of specification
41 # First pass through any local machine types.
42 case $1 in
43 *local*)
44 echo $1
45 exit 0
49 esac
51 # Separate what the user gave into CPU-COMPANY and OS (if any).
52 basic_machine=`echo $1 | sed 's/-[^-]*$//'`
53 if [ $basic_machine != $1 ]
54 then os=`echo $1 | sed 's/.*-/-/'`
55 else os=; fi
57 # Lets recognize common machines as not being OS so that things like
58 # config.subr decstation-3100 work.
59 case $os in
60 -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
61 -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
62 -unicom* | -ibm* | -next* | -hp | -isi* | -apollo | -altos* | \
63 -convergent* | -ncr* | -news | -32* | -3600* | -3100* | \
64 -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
65 -harris | -dolphin)
66 os=
67 basic_machine=$1
69 -sco*)
70 os=-sco3.2v2
71 basic_machine=i386-unknown
73 -isc*)
74 os=-isc
75 basic_machine=i386-unknown
77 esac
79 # Decode aliases for certain CPU-COMPANY combinations.
80 case $basic_machine in
81 # Recognize the basic CPU types with without company name.
82 # Some are omitted here because they have special meanings below.
83 tahoe | i[34]86 | i860 | m68k | m68000 | m88k | ns32k | arm | pyramid \
84 | tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 \
85 | alpha | we32k)
86 basic_machine=$basic_machine-unknown
88 # Recognize the basic CPU types with with company name.
89 vax-* | tahoe-* | i[34]86-* | i860-* | m68k-* | m68000-* | m88k-* \
90 | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
91 | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
92 | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
93 | hppa1.0-* | hppa1.1-* | alpha-* | we32k-*)
95 # Recognize the various machine names and aliases which stand
96 # for a CPU type and a company and sometimes even an OS.
97 vaxv)
98 basic_machine=vax-dec
99 os=-sysv
101 vms)
102 basic_machine=vax-dec
103 os=-vms
105 i386v32)
106 basic_machine=i386-unknown
107 os=-sysv32
109 i386-sco* | i386sco | sco)
110 basic_machine=i386-unknown
111 os=-sco3.2v2
113 i386-isc* | isc)
114 basic_machine=i386-unknown
115 os=-isc
117 i486v32)
118 basic_machine=i486-unknown
119 os=-sysv32
121 i486-sco* | i486sco | sco)
122 basic_machine=i486-unknown
123 os=-sco3.2v2
125 i486-isc* | isc)
126 basic_machine=i486-unknown
127 os=-isc
129 i386v4*)
130 basic_machine=i386-unknown
131 os=-sysv4
133 i486v4*)
134 basic_machine=i486-unknown
135 os=-sysv4
137 i386v)
138 basic_machine=i386-unknown
139 os=-sysv
141 i486v)
142 basic_machine=i486-unknown
143 os=-sysv
145 spur)
146 basic_machine=spur-unknown
148 alliant | fx80)
149 basic_machine=fx80-alliant
151 convex-c1)
152 basic_machine=c1-convex
153 os=-bsd
155 convex-c2)
156 basic_machine=c2-convex
157 os=-bsd
159 convex-c32)
160 basic_machine=c32-convex
161 os=-bsd
163 convex-c34)
164 basic_machine=c34-convex
165 os=-bsd
167 convex-c38)
168 basic_machine=c38-convex
169 os=-bsd
171 m88k-omron*)
172 basic_machine=m88k-omron
174 merlin)
175 basic_machine=ns32k-utek
176 os=-sysv
178 crds | unos)
179 basic_machine=m68k-crds
181 elxsi)
182 basic_machine=elxsi-elxsi
183 os=-bsd
185 encore | umax | mmax)
186 basic_machine=ns32k-encore
187 os=-bsd
189 genix)
190 basic_machine=ns32k-ns
192 iris | iris4d)
193 basic_machine=mips-sgi
194 case $os in
195 -irix*)
198 os=-irix4
200 esac
202 news | news700 | news800 | news900)
203 basic_machine=m68k-sony
204 os=-newsos
206 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
207 basic_machine=m68000-att
209 3b*)
210 basic_machine=we32k-att
212 delta | 3300 | motorola-3300 | motorola-delta \
213 | 3300-motorola | delta-motorola)
214 basic_machine=m68k-motorola
216 balance)
217 basic_machine=ns32k-sequent
218 os=-dynix
220 pc532)
221 basic_machine=ns32k-pc532
223 symmetry)
224 basic_machine=i386-sequent
225 os=-dynix
227 sun2)
228 basic_machine=m68000-sun
230 sun2os3)
231 basic_machine=m68000-sun
232 os=-sunos3
234 sun2os4)
235 basic_machine=m68000-sun
236 os=-sunos4
238 sun3os3)
239 basic_machine=m68k-sun
240 os=-sunos3
242 sun3os4)
243 basic_machine=m68k-sun
244 os=-sunos4
246 sun4os3)
247 basic_machine=sparc-sun
248 os=-sunos3
250 sun4os4)
251 basic_machine=sparc-sun
252 os=-sunos4
254 sun3)
255 basic_machine=m68k-sun
257 sun4)
258 basic_machine=sparc-sun
260 pbd)
261 basic_machine=sparc-tti
263 pbb)
264 basic_machine=m68k-tti
266 sun386 | sun386i | roadrunner)
267 basic_machine=i386-sun
269 ps2)
270 basic_machine=i386-ibm
272 fx2800)
273 basic_machine=i860-alliant
275 next)
276 basic_machine=m68k-next
277 os=-bsd
279 amiga)
280 basic_machine=m68k-cbm
282 hp9k3[2-9][0-9])
283 basic_machine=m68k-hp
285 hp9k31[0-9] | hp9k2[0-9][0-9])
286 basic_machine=m68000-hp
288 hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
289 basic_machine=hppa1.1-hp
291 hp9k8[0-9][0-9] | hp8[0-9][0-9])
292 basic_machine=hppa1.0-hp
294 isi68 | isi)
295 basic_machine=m68k-isi
296 os=-sysv
298 apollo68)
299 basic_machine=m68k-apollo
300 os=-sysv
302 altos | altos3068)
303 basic_machine=m68k-altos
305 miniframe)
306 basic_machine=m68000-convergent
308 tower | tower-32)
309 basic_machine=m68k-ncr
311 news-3600 | risc-news)
312 basic_machine=mips-sony
313 os=-newsos
315 decstation | decstation-3100 | pmax | pmin | dec3100 | decstatn)
316 basic_machine=mips-dec
318 magnum | m3230)
319 basic_machine=mips-mips
320 os=-sysv
322 gmicro)
323 basic_machine=tron-gmicro
324 os=-sysv
326 rtpc | rtpc-*)
327 basic_machine=romp-ibm
329 am29k)
330 basic_machine=a29k-none
331 os=-bsd
333 amdahl)
334 basic_machine=580-amdahl
335 os=-sysv
337 amigados)
338 basic_machine=m68k-cbm
339 os=-amigados
341 amigaunix | amix)
342 basic_machine=m68k-cbm
343 os=-sysv4
345 cray | ymp)
346 basic_machine=ymp-cray
347 os=-unicos
349 cray2)
350 basic_machine=cray2-cray
351 os=-unicos
353 xmp)
354 basic_machine=xmp-cray
355 os=-unicos
357 delta88)
358 basic_machine=m88k-motorola
359 os=-m88kbcs
361 dpx2)
362 basic_machine=m68k-bull
363 os=-sysv
365 ebmon29k)
366 basic_machine=a29k-amd
367 os=-ebmon
369 h8300hds)
370 basic_machine=h8300-hitachi
371 os=-hds
373 harris)
374 basic_machine=m88k-harris
375 os=-m88kbcs
377 hp300bsd)
378 basic_machine=m68k-hp
379 os=-bsd
381 hp300hpux)
382 basic_machine=m68k-hp
383 os=-hpux
385 hp9k2[0-9][0-9] | hp9k31[0-9])
386 basic_machine=m68000-hp
387 os=-hpux
389 hp9k3[2-9][0-9])
390 basic_machine=m68k-hp
391 os=-hpux
393 ncr3000)
394 basic_machine=i486-ncr
395 os=-sysv4
397 news1000)
398 basic_machine=m68030-sony
399 os=-newsos
401 nindy960)
402 basic_machine=i960-intel
403 os=-nindy
406 basic_machine=pn-gould
407 os=-sysv
409 np1)
410 basic_machine=np1-gould
411 os=-sysv
413 ultra3)
414 basic_machine=a29k-nyu
415 os=-sym1
417 vxworks960)
418 basic_machine=i960-wrs
419 os=-vxworks
421 vxworks68)
422 basic_machine=m68k-wrs
423 os=-vxworks
425 none)
426 basic_machine=none-none
427 os=-none
430 # Here we handle the default manufacturer of certain CPU types. It is in
431 # some cases the only manufacturer, in others, it is the most popular.
432 mips)
433 basic_machine=mips-mips
435 romp)
436 basic_machine=romp-ibm
438 rs6000)
439 basic_machine=rs6000-ibm
441 vax)
442 basic_machine=vax-dec
444 we32k)
445 basic_machine=we32k-att
447 sparc)
448 basic_machine=sparc-sun
451 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
452 exit 1
454 esac
456 # Here we canonicalize certain aliases for manufacturers.
457 case $basic_machine in
458 *-digital*)
459 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
461 *-commodore*)
462 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
466 esac
468 # Decode manufacturer-specific aliases for certain operating systems.
470 if [ "$os" ]
471 then
472 case $os in
473 # First accept the basic system types.
474 # The portable systems comes first.
475 # Each alternative must end in a *, to match a version number.
476 -bsd* | -sysv* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
477 | -vms* | -sco* | -esix* | -isc* | -aix* | -sunos* | -hpux* \
478 | -unos* | -osf* | -luna* | -dgux* | -solari* | -sym* \
479 | -amigados* | -msdos* | -newsos* | -unicos* | -aos* \
480 | -nindy* | -vxworks* | -ebmon* | -hds* | -m88kbcs* \
481 | -riscos* | -linux* )
483 -osfrose*)
484 os=-osfrose
486 -osf*)
487 os=-osf
489 -utek*)
490 os=-bsd
492 -dynix*)
493 os=-bsd
495 -acis*)
496 os=-aos
498 -ctix* | -uts*)
499 os=-sysv
501 -triton*)
502 os=-sysv3
504 -oss*)
505 os=-sysv3
507 -svr4)
508 os=-sysv4
510 -svr3)
511 os=-sysv3
513 -none)
516 # Get rid of the `-' at the beginning of $os.
517 os=`echo $1 | sed 's/[^-]*-//'`
518 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
519 exit 1
521 esac
522 else
524 # Here we handle the default operating systems that come with various machines.
525 # The value should be what the vendor currently ships out the door with their
526 # machine or put another way, the most popular os provided with the machine.
527 case $basic_machine in
528 *-dec | vax-*)
529 os=-ultrix4.2
531 i386-sun)
532 os=-sunos4.0.2
534 m68000-sun)
535 os=-sunos3
536 # This also exists in the configure program, but was not the
537 # default.
538 # os=-sunos4
540 *-tti) # must be before sparc entry or we get the wrong os.
541 os=-sysv3
543 sparc-* | *-sun)
544 os=-sunos4.1.1
546 *-ibm)
547 os=-aix
549 *-hp)
550 os=-hpux
552 *-sgi | i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
553 os=-sysv
555 *-cbm)
556 os=-amigados
558 *-dg)
559 os=-dgux
561 *-dolphin)
562 os=-sysv3
564 m88k-omron*)
565 os=-luna
567 *-crds)
568 os=-unos
570 *-ns)
571 os=-genix
573 i[34]86-*)
574 os=-sco3.2v2
577 os=-none
579 esac
582 # Here we handle the case where we know the os, and the CPU type, but not the
583 # manufacturer. We pick the logical manufacturer.
584 vendor=unknown
585 case $basic_machine in
586 *-unknown)
587 case $os in
588 -sunos*)
589 vendor=sun
591 -aix*)
592 vendor=ibm
594 -hpux*)
595 vendor=hp
597 -unos*)
598 vendor=crds
600 -dgux*)
601 vendor=dg
603 -luna*)
604 vendor=omron
606 -genix*)
607 vendor=ns
609 esac
610 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
612 esac
614 echo $basic_machine$os