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Revision 12203, 18.8 KB checked in by ghudson, 26 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r12202, which included commits to RCS files with non-trunk default branches.
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1	#! /bin/sh
2	# Configuration validation subroutine script, version 1.1.
3	# Copyright (C) 1991, 92, 93, 94, 95, 1996 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	-sunos)
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 $basic_machine in
150	# Recognize the basic CPU types without company name.
151	# Some are omitted here because they have special meanings below.
152	tahoe \| i860 \| m68k \| m68000 \| m88k \| ns32k \| arm \
153	\| arme[lb] \| pyramid \
154	\| tron \| a29k \| 580 \| i960 \| h8300 \| hppa \| hppa1.0 \| hppa1.1 \
155	\| alpha \| we32k \| ns16k \| clipper \| i370 \| sh \
156	\| powerpc \| powerpcle \| 1750a \| dsp16xx \| mips64 \| mipsel \
157	\| pdp11 \| mips64el \| mips64orion \| mips64orionel \
158	\| sparc \| sparclet \| sparclite \| sparc64)
159	basic_machine=$basic_machine-unknown
160	;;
161	# We use `pc' rather than `unknown'
162	# because (1) that's what they normally are, and
163	# (2) the word "unknown" tends to confuse beginning users.
164	i[3456]86)
165	basic_machine=$basic_machine-pc
166	;;
167	# Object if more than one company name word.
168	--*)
169	echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
170	exit 1
171	;;
172	# Recognize the basic CPU types with company name.
173	vax-* \| tahoe-* \| i[3456]86-* \| i860-* \| m68k-* \| m68000-* \| m88k-* \
174	\| sparc-* \| ns32k-* \| fx80-* \| arm-* \| c[123]* \
175	\| mips-* \| pyramid-* \| tron-* \| a29k-* \| romp-* \| rs6000-* \| power-* \
176	\| none-* \| 580-* \| cray2-* \| h8300-* \| i960-* \| xmp-* \| ymp-* \
177	\| hppa-* \| hppa1.0-* \| hppa1.1-* \| alpha-* \| we32k-* \| cydra-* \| ns16k-* \
178	\| pn-* \| np1-* \| xps100-* \| clipper-* \| orion-* \| sparclite-* \
179	\| pdp11-* \| sh-* \| powerpc-* \| powerpcle-* \| sparc64-* \| mips64-* \| mipsel-* \
180	\| mips64el-* \| mips64orion-* \| mips64orionel-* \| f301-*)
181	;;
182	# Recognize the various machine names and aliases which stand
183	# for a CPU type and a company and sometimes even an OS.
184	3b1 \| 7300 \| 7300-att \| att-7300 \| pc7300 \| safari \| unixpc)
185	basic_machine=m68000-att
186	;;
187	3b*)
188	basic_machine=we32k-att
189	;;
190	alliant \| fx80)
191	basic_machine=fx80-alliant
192	;;
193	altos \| altos3068)
194	basic_machine=m68k-altos
195	;;
196	am29k)
197	basic_machine=a29k-none
198	os=-bsd
199	;;
200	amdahl)
201	basic_machine=580-amdahl
202	os=-sysv
203	;;
204	amiga \| amiga-*)
205	basic_machine=m68k-cbm
206	;;
207	amigados)
208	basic_machine=m68k-cbm
209	os=-amigados
210	;;
211	amigaunix \| amix)
212	basic_machine=m68k-cbm
213	os=-sysv4
214	;;
215	apollo68)
216	basic_machine=m68k-apollo
217	os=-sysv
218	;;
219	aux)
220	basic_machine=m68k-apple
221	os=-aux
222	;;
223	balance)
224	basic_machine=ns32k-sequent
225	os=-dynix
226	;;
227	convex-c1)
228	basic_machine=c1-convex
229	os=-bsd
230	;;
231	convex-c2)
232	basic_machine=c2-convex
233	os=-bsd
234	;;
235	convex-c32)
236	basic_machine=c32-convex
237	os=-bsd
238	;;
239	convex-c34)
240	basic_machine=c34-convex
241	os=-bsd
242	;;
243	convex-c38)
244	basic_machine=c38-convex
245	os=-bsd
246	;;
247	cray \| ymp)
248	basic_machine=ymp-cray
249	os=-unicos
250	;;
251	cray2)
252	basic_machine=cray2-cray
253	os=-unicos
254	;;
255	[ctj]90-cray)
256	basic_machine=c90-cray
257	os=-unicos
258	;;
259	crds \| unos)
260	basic_machine=m68k-crds
261	;;
262	da30 \| da30-*)
263	basic_machine=m68k-da30
264	;;
265	decstation \| decstation-3100 \| pmax \| pmax-* \| pmin \| dec3100 \| decstatn)
266	basic_machine=mips-dec
267	;;
268	delta \| 3300 \| motorola-3300 \| motorola-delta \
269	\| 3300-motorola \| delta-motorola)
270	basic_machine=m68k-motorola
271	;;
272	delta88)
273	basic_machine=m88k-motorola
274	os=-sysv3
275	;;
276	dpx20 \| dpx20-*)
277	basic_machine=rs6000-bull
278	os=-bosx
279	;;
280	dpx2* \| dpx2*-bull)
281	basic_machine=m68k-bull
282	os=-sysv3
283	;;
284	ebmon29k)
285	basic_machine=a29k-amd
286	os=-ebmon
287	;;
288	elxsi)
289	basic_machine=elxsi-elxsi
290	os=-bsd
291	;;
292	encore \| umax \| mmax)
293	basic_machine=ns32k-encore
294	;;
295	fx2800)
296	basic_machine=i860-alliant
297	;;
298	genix)
299	basic_machine=ns32k-ns
300	;;
301	gmicro)
302	basic_machine=tron-gmicro
303	os=-sysv
304	;;
305	h3050r* \| hiux*)
306	basic_machine=hppa1.1-hitachi
307	os=-hiuxwe2
308	;;
309	h8300hms)
310	basic_machine=h8300-hitachi
311	os=-hms
312	;;
313	harris)
314	basic_machine=m88k-harris
315	os=-sysv3
316	;;
317	hp300-*)
318	basic_machine=m68k-hp
319	;;
320	hp300bsd)
321	basic_machine=m68k-hp
322	os=-bsd
323	;;
324	hp300hpux)
325	basic_machine=m68k-hp
326	os=-hpux
327	;;
328	hp9k2[0-9][0-9] \| hp9k31[0-9])
329	basic_machine=m68000-hp
330	;;
331	hp9k3[2-9][0-9])
332	basic_machine=m68k-hp
333	;;
334	hp9k7[0-9][0-9] \| hp7[0-9][0-9] \| hp9k8[0-9]7 \| hp8[0-9]7)
335	basic_machine=hppa1.1-hp
336	;;
337	hp9k8[0-9][0-9] \| hp8[0-9][0-9])
338	basic_machine=hppa1.0-hp
339	;;
340	hppa-next)
341	os=-nextstep3
342	;;
343	i370-ibm* \| ibm*)
344	basic_machine=i370-ibm
345	os=-mvs
346	;;
347	# I'm not sure what "Sysv32" means. Should this be sysv3.2?
348	i[3456]86v32)
349	basic_machine=`echo $1 \| sed -e 's/86.*/86-pc/'`
350	os=-sysv32
351	;;
352	i[3456]86v4*)
353	basic_machine=`echo $1 \| sed -e 's/86.*/86-pc/'`
354	os=-sysv4
355	;;
356	i[3456]86v)
357	basic_machine=`echo $1 \| sed -e 's/86.*/86-pc/'`
358	os=-sysv
359	;;
360	i[3456]86sol2)
361	basic_machine=`echo $1 \| sed -e 's/86.*/86-pc/'`
362	os=-solaris2
363	;;
364	iris \| iris4d)
365	basic_machine=mips-sgi
366	case $os in
367	-irix*)
368	;;
369	*)
370	os=-irix4
371	;;
372	esac
373	;;
374	isi68 \| isi)
375	basic_machine=m68k-isi
376	os=-sysv
377	;;
378	m88k-omron*)
379	basic_machine=m88k-omron
380	;;
381	magnum \| m3230)
382	basic_machine=mips-mips
383	os=-sysv
384	;;
385	merlin)
386	basic_machine=ns32k-utek
387	os=-sysv
388	;;
389	miniframe)
390	basic_machine=m68000-convergent
391	;;
392	mips3-)
393	basic_machine=`echo $basic_machine \| sed -e 's/mips3/mips64/'`
394	;;
395	mips3*)
396	basic_machine=`echo $basic_machine \| sed -e 's/mips3/mips64/'`-unknown
397	;;
398	ncr3000)
399	basic_machine=i486-ncr
400	os=-sysv4
401	;;
402	news \| news700 \| news800 \| news900)
403	basic_machine=m68k-sony
404	os=-newsos
405	;;
406	news1000)
407	basic_machine=m68030-sony
408	os=-newsos
409	;;
410	news-3600 \| risc-news)
411	basic_machine=mips-sony
412	os=-newsos
413	;;
414	next \| m*-next )
415	basic_machine=m68k-next
416	case $os in
417	-nextstep* )
418	;;
419	-ns2*)
420	os=-nextstep2
421	;;
422	*)
423	os=-nextstep3
424	;;
425	esac
426	;;
427	nh3000)
428	basic_machine=m68k-harris
429	os=-cxux
430	;;
431	nh[45]000)
432	basic_machine=m88k-harris
433	os=-cxux
434	;;
435	nindy960)
436	basic_machine=i960-intel
437	os=-nindy
438	;;
439	np1)
440	basic_machine=np1-gould
441	;;
442	pa-hitachi)
443	basic_machine=hppa1.1-hitachi
444	os=-hiuxwe2
445	;;
446	paragon)
447	basic_machine=i860-intel
448	os=-osf
449	;;
450	pbd)
451	basic_machine=sparc-tti
452	;;
453	pbb)
454	basic_machine=m68k-tti
455	;;
456	pc532 \| pc532-*)
457	basic_machine=ns32k-pc532
458	;;
459	pentium \| p5)
460	basic_machine=i586-intel
461	;;
462	pentiumpro \| p6)
463	basic_machine=i686-intel
464	;;
465	pentium-* \| p5-*)
466	basic_machine=i586-`echo $basic_machine \| sed 's/^[^-]*-//'`
467	;;
468	pentiumpro-* \| p6-*)
469	basic_machine=i686-`echo $basic_machine \| sed 's/^[^-]*-//'`
470	;;
471	k5)
472	# We don't have specific support for AMD's K5 yet, so just call it a Pentium
473	basic_machine=i586-amd
474	;;
475	nexen)
476	# We don't have specific support for Nexgen yet, so just call it a Pentium
477	basic_machine=i586-nexgen
478	;;
479	pn)
480	basic_machine=pn-gould
481	;;
482	power) basic_machine=rs6000-ibm
483	;;
484	ppc) basic_machine=powerpc-unknown
485	;;
486	ppc-) basic_machine=powerpc-`echo $basic_machine \| sed 's/^[^-]-//'`
487	;;
488	ppcle \| powerpclittle \| ppc-le \| powerpc-little)
489	basic_machine=powerpcle-unknown
490	;;
491	ppcle-* \| powerpclittle-*)
492	basic_machine=powerpcle-`echo $basic_machine \| sed 's/^[^-]*-//'`
493	;;
494	ps2)
495	basic_machine=i386-ibm
496	;;
497	rm[46]00)
498	basic_machine=mips-siemens
499	;;
500	rtpc \| rtpc-*)
501	basic_machine=romp-ibm
502	;;
503	sequent)
504	basic_machine=i386-sequent
505	;;
506	sh)
507	basic_machine=sh-hitachi
508	os=-hms
509	;;
510	sps7)
511	basic_machine=m68k-bull
512	os=-sysv2
513	;;
514	spur)
515	basic_machine=spur-unknown
516	;;
517	sun2)
518	basic_machine=m68000-sun
519	;;
520	sun2os3)
521	basic_machine=m68000-sun
522	os=-sunos3
523	;;
524	sun2os4)
525	basic_machine=m68000-sun
526	os=-sunos4
527	;;
528	sun3os3)
529	basic_machine=m68k-sun
530	os=-sunos3
531	;;
532	sun3os4)
533	basic_machine=m68k-sun
534	os=-sunos4
535	;;
536	sun4os3)
537	basic_machine=sparc-sun
538	os=-sunos3
539	;;
540	sun4os4)
541	basic_machine=sparc-sun
542	os=-sunos4
543	;;
544	sun4sol2)
545	basic_machine=sparc-sun
546	os=-solaris2
547	;;
548	sun3 \| sun3-*)
549	basic_machine=m68k-sun
550	;;
551	sun4)
552	basic_machine=sparc-sun
553	;;
554	sun386 \| sun386i \| roadrunner)
555	basic_machine=i386-sun
556	;;
557	symmetry)
558	basic_machine=i386-sequent
559	os=-dynix
560	;;
561	tower \| tower-32)
562	basic_machine=m68k-ncr
563	;;
564	udi29k)
565	basic_machine=a29k-amd
566	os=-udi
567	;;
568	ultra3)
569	basic_machine=a29k-nyu
570	os=-sym1
571	;;
572	vaxv)
573	basic_machine=vax-dec
574	os=-sysv
575	;;
576	vms)
577	basic_machine=vax-dec
578	os=-vms
579	;;
580	vpp\|vx\|vx-)
581	basic_machine=f301-fujitsu
582	;;
583	vxworks960)
584	basic_machine=i960-wrs
585	os=-vxworks
586	;;
587	vxworks68)
588	basic_machine=m68k-wrs
589	os=-vxworks
590	;;
591	vxworks29k)
592	basic_machine=a29k-wrs
593	os=-vxworks
594	;;
595	xmp)
596	basic_machine=xmp-cray
597	os=-unicos
598	;;
599	xps \| xps100)
600	basic_machine=xps100-honeywell
601	;;
602	none)
603	basic_machine=none-none
604	os=-none
605	;;
606
607	# Here we handle the default manufacturer of certain CPU types. It is in
608	# some cases the only manufacturer, in others, it is the most popular.
609	mips)
610	basic_machine=mips-mips
611	;;
612	romp)
613	basic_machine=romp-ibm
614	;;
615	rs6000)
616	basic_machine=rs6000-ibm
617	;;
618	vax)
619	basic_machine=vax-dec
620	;;
621	pdp11)
622	basic_machine=pdp11-dec
623	;;
624	we32k)
625	basic_machine=we32k-att
626	;;
627	sparc)
628	basic_machine=sparc-sun
629	;;
630	cydra)
631	basic_machine=cydra-cydrome
632	;;
633	orion)
634	basic_machine=orion-highlevel
635	;;
636	orion105)
637	basic_machine=clipper-highlevel
638	;;
639	*)
640	echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
641	exit 1
642	;;
643	esac
644
645	# Here we canonicalize certain aliases for manufacturers.
646	case $basic_machine in
647	-digital)
648	basic_machine=`echo $basic_machine \| sed 's/digital.*/dec/'`
649	;;
650	-commodore)
651	basic_machine=`echo $basic_machine \| sed 's/commodore.*/cbm/'`
652	;;
653	*)
654	;;
655	esac
656
657	# Decode manufacturer-specific aliases for certain operating systems.
658
659	if [ x"$os" != x"" ]
660	then
661	case $os in
662	# First match some system type aliases
663	# that might get confused with valid system types.
664	# -solaris* is a basic system type, with this one exception.
665	-solaris1 \| -solaris1.*)
666	os=`echo $os \| sed -e 's\|solaris1\|sunos4\|'`
667	;;
668	-solaris)
669	os=-solaris2
670	;;
671	-unixware* \| svr4*)
672	os=-sysv4
673	;;
674	-gnu/linux*)
675	os=`echo $os \| sed -e 's\|gnu/linux\|linux-gnu\|'`
676	;;
677	# First accept the basic system types.
678	# The portable systems comes first.
679	# Each alternative MUST END IN A *, to match a version number.
680	# -sysv* is not here because it comes later, after sysvr4.
681	-gnu* \| -bsd* \| -mach* \| -minix* \| -genix* \| -ultrix* \| -irix* \
682	\| -vms \| -sco* \| -esix* \| -isc* \| -aix* \| -sunos \| -sunos[34]*\
683	\| -hpux* \| -unos* \| -osf* \| -luna* \| -dgux* \| -solaris* \| -sym* \
684	\| -amigados* \| -msdos* \| -newsos* \| -unicos* \| -aof* \| -aos* \
685	\| -nindy* \| -vxsim* \| -vxworks* \| -ebmon* \| -hms* \| -mvs* \
686	\| -clix* \| -riscos* \| -uniplus* \| -iris* \| -rtu* \| -xenix* \
687	\| -hiux* \| -386bsd* \| -netbsd* \| -openbsd* \| -freebsd* \| -riscix* \
688	\| -lynxos* \| -bosx* \| -nextstep* \| -cxux* \| -aout* \| -elf* \
689	\| -ptx* \| -coff* \| -ecoff* \| -winnt* \| -domain* \| -vsta* \
690	\| -udi* \| -eabi* \| -lites* \| -ieee* \| -go32* \| -aux* \
691	\| -cygwin32* \| -pe* \| -psos* \| -moss* \| -proelf* \| -rtems* \
692	\| -linux-gnu* \| -uxpv*)
693	# Remember, each alternative MUST END IN *, to match a version number.
694	;;
695	-linux*)
696	os=`echo $os \| sed -e 's\|linux\|linux-gnu\|'`
697	;;
698	-sunos5*)
699	os=`echo $os \| sed -e 's\|sunos5\|solaris2\|'`
700	;;
701	-sunos6*)
702	os=`echo $os \| sed -e 's\|sunos6\|solaris3\|'`
703	;;
704	-osfrose*)
705	os=-osfrose
706	;;
707	-osf*)
708	os=-osf
709	;;
710	-utek*)
711	os=-bsd
712	;;
713	-dynix*)
714	os=-bsd
715	;;
716	-acis*)
717	os=-aos
718	;;
719	-ctix* \| -uts*)
720	os=-sysv
721	;;
722	-ns2 )
723	os=-nextstep2
724	;;
725	# Preserve the version number of sinix5.
726	-sinix5.*)
727	os=`echo $os \| sed -e 's\|sinix\|sysv\|'`
728	;;
729	-sinix*)
730	os=-sysv4
731	;;
732	-triton*)
733	os=-sysv3
734	;;
735	-oss*)
736	os=-sysv3
737	;;
738	-svr4)
739	os=-sysv4
740	;;
741	-svr3)
742	os=-sysv3
743	;;
744	-sysvr4)
745	os=-sysv4
746	;;
747	# This must come after -sysvr4.
748	-sysv*)
749	;;
750	-xenix)
751	os=-xenix
752	;;
753	-none)
754	;;
755	*)
756	# Get rid of the `-' at the beginning of $os.
757	os=`echo $os \| sed 's/[^-]*-//'`
758	echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
759	exit 1
760	;;
761	esac
762	else
763
764	# Here we handle the default operating systems that come with various machines.
765	# The value should be what the vendor currently ships out the door with their
766	# machine or put another way, the most popular os provided with the machine.
767
768	# Note that if you're going to try to match "-MANUFACTURER" here (say,
769	# "-sun"), then you have to tell the case statement up towards the top
770	# that MANUFACTURER isn't an operating system. Otherwise, code above
771	# will signal an error saying that MANUFACTURER isn't an operating
772	# system, and we'll never get to this point.
773
774	case $basic_machine in
775	*-acorn)
776	os=-riscix1.2
777	;;
778	arm*-semi)
779	os=-aout
780	;;
781	pdp11-*)
782	os=-none
783	;;
784	-dec \| vax-)
785	os=-ultrix4.2
786	;;
787	m68*-apollo)
788	os=-domain
789	;;
790	i386-sun)
791	os=-sunos4.0.2
792	;;
793	m68000-sun)
794	os=-sunos3
795	# This also exists in the configure program, but was not the
796	# default.
797	# os=-sunos4
798	;;
799	*-tti) # must be before sparc entry or we get the wrong os.
800	os=-sysv3
801	;;
802	sparc-* \| *-sun)
803	os=-sunos4.1.1
804	;;
805	*-ibm)
806	os=-aix
807	;;
808	*-hp)
809	os=-hpux
810	;;
811	*-hitachi)
812	os=-hiux
813	;;
814	i860-* \| -att \| -ncr \| -altos \| -motorola \| *-convergent)
815	os=-sysv
816	;;
817	*-cbm)
818	os=-amigados
819	;;
820	*-dg)
821	os=-dgux
822	;;
823	*-dolphin)
824	os=-sysv3
825	;;
826	m68k-ccur)
827	os=-rtu
828	;;
829	m88k-omron*)
830	os=-luna
831	;;
832	*-next )
833	os=-nextstep
834	;;
835	*-sequent)
836	os=-ptx
837	;;
838	*-crds)
839	os=-unos
840	;;
841	*-ns)
842	os=-genix
843	;;
844	i370-*)
845	os=-mvs
846	;;
847	*-next)
848	os=-nextstep3
849	;;
850	*-gould)
851	os=-sysv
852	;;
853	*-highlevel)
854	os=-bsd
855	;;
856	*-encore)
857	os=-bsd
858	;;
859	*-sgi)
860	os=-irix
861	;;
862	*-siemens)
863	os=-sysv4
864	;;
865	*-masscomp)
866	os=-rtu
867	;;
868	f301-fujitsu)
869	os=-uxpv
870	;;
871	*)
872	os=-none
873	;;
874	esac
875	fi
876
877	# Here we handle the case where we know the os, and the CPU type, but not the
878	# manufacturer. We pick the logical manufacturer.
879	vendor=unknown
880	case $basic_machine in
881	*-unknown)
882	case $os in
883	-riscix*)
884	vendor=acorn
885	;;
886	-sunos*)
887	vendor=sun
888	;;
889	-aix*)
890	vendor=ibm
891	;;
892	-hpux*)
893	vendor=hp
894	;;
895	-hiux*)
896	vendor=hitachi
897	;;
898	-unos*)
899	vendor=crds
900	;;
901	-dgux*)
902	vendor=dg
903	;;
904	-luna*)
905	vendor=omron
906	;;
907	-genix*)
908	vendor=ns
909	;;
910	-mvs*)
911	vendor=ibm
912	;;
913	-ptx*)
914	vendor=sequent
915	;;
916	-vxsim* \| -vxworks*)
917	vendor=wrs
918	;;
919	-aux*)
920	vendor=apple
921	;;
922	esac
923	basic_machine=`echo $basic_machine \| sed "s/unknown/$vendor/"`
924	;;
925	esac
926
927	echo $basic_machine$os

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