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Revision 13391, 19.3 KB checked in by ghudson, 25 years ago (diff)
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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	-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 $basic_machine in
150	# Recognize the basic CPU types without company name.
151	# Some are omitted here because they have special meanings below.
152	tahoe \| i860 \| m32r \| m68k \| m68000 \| m88k \| ns32k \| arc \| arm \
153	\| arme[lb] \| pyramid \| mn10200 \| mn10300 \| tron \| a29k \
154	\| 580 \| i960 \| h8300 \| hppa \| hppa1.0 \| hppa1.1 \| hppa2.0 \
155	\| alpha \| alphaev5 \| alphaev56 \| we32k \| ns16k \| clipper \
156	\| i370 \| sh \| powerpc \| powerpcle \| 1750a \| dsp16xx \| pdp11 \
157	\| mips64 \| mipsel \| mips64el \| mips64orion \| mips64orionel \
158	\| mipstx39 \| mipstx39el \
159	\| sparc \| sparclet \| sparclite \| sparc64 \| v850)
160	basic_machine=$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-* \| hppa2.0-* \
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	\| -cygwin* \| -pe* \| -psos* \| -moss* \| -proelf* \| -rtems* \
717	\| -mingw32* \| -linux-gnu* \| -uxpv* \| -beos*)
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	*-be)
831	os=-beos
832	;;
833	*-ibm)
834	os=-aix
835	;;
836	*-hp)
837	os=-hpux
838	;;
839	*-hitachi)
840	os=-hiux
841	;;
842	i860-* \| -att \| -ncr \| -altos \| -motorola \| *-convergent)
843	os=-sysv
844	;;
845	*-cbm)
846	os=-amigaos
847	;;
848	*-dg)
849	os=-dgux
850	;;
851	*-dolphin)
852	os=-sysv3
853	;;
854	m68k-ccur)
855	os=-rtu
856	;;
857	m88k-omron*)
858	os=-luna
859	;;
860	*-next )
861	os=-nextstep
862	;;
863	*-sequent)
864	os=-ptx
865	;;
866	*-crds)
867	os=-unos
868	;;
869	*-ns)
870	os=-genix
871	;;
872	i370-*)
873	os=-mvs
874	;;
875	*-next)
876	os=-nextstep3
877	;;
878	*-gould)
879	os=-sysv
880	;;
881	*-highlevel)
882	os=-bsd
883	;;
884	*-encore)
885	os=-bsd
886	;;
887	*-sgi)
888	os=-irix
889	;;
890	*-siemens)
891	os=-sysv4
892	;;
893	*-masscomp)
894	os=-rtu
895	;;
896	f301-fujitsu)
897	os=-uxpv
898	;;
899	*)
900	os=-none
901	;;
902	esac
903	fi
904
905	# Here we handle the case where we know the os, and the CPU type, but not the
906	# manufacturer. We pick the logical manufacturer.
907	vendor=unknown
908	case $basic_machine in
909	*-unknown)
910	case $os in
911	-riscix*)
912	vendor=acorn
913	;;
914	-sunos*)
915	vendor=sun
916	;;
917	-aix*)
918	vendor=ibm
919	;;
920	-hpux*)
921	vendor=hp
922	;;
923	-hiux*)
924	vendor=hitachi
925	;;
926	-unos*)
927	vendor=crds
928	;;
929	-dgux*)
930	vendor=dg
931	;;
932	-luna*)
933	vendor=omron
934	;;
935	-genix*)
936	vendor=ns
937	;;
938	-mvs*)
939	vendor=ibm
940	;;
941	-ptx*)
942	vendor=sequent
943	;;
944	-vxsim* \| -vxworks*)
945	vendor=wrs
946	;;
947	-aux*)
948	vendor=apple
949	;;
950	esac
951	basic_machine=`echo $basic_machine \| sed "s/unknown/$vendor/"`
952	;;
953	esac
954
955	echo $basic_machine$os

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