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
48if [ x$1 = x ]
49then
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
55fi
56
57# First pass through any local machine types.
58case $1 in
59	*local*)
60		echo $1
61		exit 0
62		;;
63	*)
64	;;
65esac
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.
69maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
70case $maybe_os in
71  linux-gnu*)
72    os=-$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    ;;
81esac
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.
87case $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		;;
146esac
147
148# Decode aliases for certain CPU-COMPANY combinations.
149case $basic_machine in
150	# Recognize the basic CPU types without company name.
151	# Some are omitted here because they have special meanings below.
152	tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \
153		| arme[lb] | pyramid | mn10200 | mn10300 | tron | a29k \
154		| 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 | hppa2.0 \
155		| hppa2.0w \
156		| alpha | alphaev5 | alphaev56 | we32k | ns16k | clipper \
157		| i370 | sh | powerpc | powerpcle | 1750a | dsp16xx | pdp11 \
158		| mips64 | mipsel | mips64el | mips64orion | mips64orionel \
159		| mipstx39 | mipstx39el | armv[34][lb] \
160		| sparc | sparclet | sparclite | sparc64 | v850)
161		basic_machine=$basic_machine-unknown
162		;;
163	# We use `pc' rather than `unknown'
164	# because (1) that's what they normally are, and
165	# (2) the word "unknown" tends to confuse beginning users.
166	i[34567]86)
167	  basic_machine=$basic_machine-pc
168	  ;;
169	# Object if more than one company name word.
170	*-*-*)
171		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
172		exit 1
173		;;
174	# Recognize the basic CPU types with company name.
175	vax-* | tahoe-* | i[34567]86-* | i860-* | m32r-* | m68k-* | m68000-* \
176	      | m88k-* | sparc-* | ns32k-* | fx80-* | arc-* | arm-* | c[123]* \
177	      | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
178	      | power-* | none-* | 580-* | cray2-* | h8300-* | i960-* \
179	      | xmp-* | ymp-* | hppa-* | hppa1.0-* | hppa1.1-* | hppa2.0-* \
180	      | hppa2.0w-* \
181	      | alpha-* | alphaev5-* | alphaev56-* | we32k-* | cydra-* \
182	      | ns16k-* | pn-* | np1-* | xps100-* | clipper-* | orion-* \
183	      | sparclite-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
184	      | sparc64-* | mips64-* | mipsel-* | armv[34][lb]-*\
185	      | mips64el-* | mips64orion-* | mips64orionel-*  \
186	      | mipstx39-* | mipstx39el-* \
187	      | f301-* | armv*-*)
188		;;
189	# Recognize the various machine names and aliases which stand
190	# for a CPU type and a company and sometimes even an OS.
191	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
192		basic_machine=m68000-att
193		;;
194	3b*)
195		basic_machine=we32k-att
196		;;
197	alliant | fx80)
198		basic_machine=fx80-alliant
199		;;
200	altos | altos3068)
201		basic_machine=m68k-altos
202		;;
203	am29k)
204		basic_machine=a29k-none
205		os=-bsd
206		;;
207	amdahl)
208		basic_machine=580-amdahl
209		os=-sysv
210		;;
211	amiga | amiga-*)
212		basic_machine=m68k-cbm
213		;;
214	amigaos | amigados)
215		basic_machine=m68k-cbm
216		os=-amigaos
217		;;
218	amigaunix | amix)
219		basic_machine=m68k-cbm
220		os=-sysv4
221		;;
222	apollo68)
223		basic_machine=m68k-apollo
224		os=-sysv
225		;;
226	aux)
227		basic_machine=m68k-apple
228		os=-aux
229		;;
230	balance)
231		basic_machine=ns32k-sequent
232		os=-dynix
233		;;
234	convex-c1)
235		basic_machine=c1-convex
236		os=-bsd
237		;;
238	convex-c2)
239		basic_machine=c2-convex
240		os=-bsd
241		;;
242	convex-c32)
243		basic_machine=c32-convex
244		os=-bsd
245		;;
246	convex-c34)
247		basic_machine=c34-convex
248		os=-bsd
249		;;
250	convex-c38)
251		basic_machine=c38-convex
252		os=-bsd
253		;;
254	cray | ymp)
255		basic_machine=ymp-cray
256		os=-unicos
257		;;
258	cray2)
259		basic_machine=cray2-cray
260		os=-unicos
261		;;
262	[ctj]90-cray)
263		basic_machine=c90-cray
264		os=-unicos
265		;;
266	crds | unos)
267		basic_machine=m68k-crds
268		;;
269	da30 | da30-*)
270		basic_machine=m68k-da30
271		;;
272	decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
273		basic_machine=mips-dec
274		;;
275	delta | 3300 | motorola-3300 | motorola-delta \
276	      | 3300-motorola | delta-motorola)
277		basic_machine=m68k-motorola
278		;;
279	delta88)
280		basic_machine=m88k-motorola
281		os=-sysv3
282		;;
283	dpx20 | dpx20-*)
284		basic_machine=rs6000-bull
285		os=-bosx
286		;;
287	dpx2* | dpx2*-bull)
288		basic_machine=m68k-bull
289		os=-sysv3
290		;;
291	ebmon29k)
292		basic_machine=a29k-amd
293		os=-ebmon
294		;;
295	elxsi)
296		basic_machine=elxsi-elxsi
297		os=-bsd
298		;;
299	encore | umax | mmax)
300		basic_machine=ns32k-encore
301		;;
302	fx2800)
303		basic_machine=i860-alliant
304		;;
305	genix)
306		basic_machine=ns32k-ns
307		;;
308	gmicro)
309		basic_machine=tron-gmicro
310		os=-sysv
311		;;
312	h3050r* | hiux*)
313		basic_machine=hppa1.1-hitachi
314		os=-hiuxwe2
315		;;
316	h8300hms)
317		basic_machine=h8300-hitachi
318		os=-hms
319		;;
320	harris)
321		basic_machine=m88k-harris
322		os=-sysv3
323		;;
324	hp300-*)
325		basic_machine=m68k-hp
326		;;
327	hp300bsd)
328		basic_machine=m68k-hp
329		os=-bsd
330		;;
331	hp300hpux)
332		basic_machine=m68k-hp
333		os=-hpux
334		;;
335	hp9k2[0-9][0-9] | hp9k31[0-9])
336		basic_machine=m68000-hp
337		;;
338	hp9k3[2-9][0-9])
339		basic_machine=m68k-hp
340		;;
341	hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
342		basic_machine=hppa1.1-hp
343		;;
344	hp9k8[0-9][0-9] | hp8[0-9][0-9])
345		basic_machine=hppa1.0-hp
346		;;
347	hppa-next)
348		os=-nextstep3
349		;;
350	hp3k9[0-9][0-9] | hp9[0-9][0-9])
351		basic_machine=hppa1.0-hp
352		os=-mpeix
353		;;
354	hp3k9[0-9][0-9] | hp9[0-9][0-9])
355		basic_machine=hppa1.0-hp
356		os=-mpeix
357		;;
358	i370-ibm* | ibm*)
359		basic_machine=i370-ibm
360		os=-mvs
361		;;
362# I'm not sure what "Sysv32" means.  Should this be sysv3.2?
363	i[34567]86v32)
364		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
365		os=-sysv32
366		;;
367	i[34567]86v4*)
368		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
369		os=-sysv4
370		;;
371	i[34567]86v)
372		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
373		os=-sysv
374		;;
375	i[34567]86sol2)
376		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
377		os=-solaris2
378		;;
379	iris | iris4d)
380		basic_machine=mips-sgi
381		case $os in
382		    -irix*)
383			;;
384		    *)
385			os=-irix4
386			;;
387		esac
388		;;
389	isi68 | isi)
390		basic_machine=m68k-isi
391		os=-sysv
392		;;
393	m88k-omron*)
394		basic_machine=m88k-omron
395		;;
396	magnum | m3230)
397		basic_machine=mips-mips
398		os=-sysv
399		;;
400	merlin)
401		basic_machine=ns32k-utek
402		os=-sysv
403		;;
404	miniframe)
405		basic_machine=m68000-convergent
406		;;
407	mipsel*-linux*)
408		basic_machine=mipsel-unknown
409		os=-linux-gnu
410		;;
411	mips*-linux*)
412		basic_machine=mips-unknown
413		os=-linux-gnu
414		;;
415	mips3*-*)
416		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
417		;;
418	mips3*)
419		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
420		;;
421	ncr3000)
422		basic_machine=i486-ncr
423		os=-sysv4
424		;;
425	netwinder)
426		basic_machine=armv4l-corel
427		os=-linux
428		;;
429	news | news700 | news800 | news900)
430		basic_machine=m68k-sony
431		os=-newsos
432		;;
433	news1000)
434		basic_machine=m68030-sony
435		os=-newsos
436		;;
437	news-3600 | risc-news)
438		basic_machine=mips-sony
439		os=-newsos
440		;;
441	next | m*-next )
442		basic_machine=m68k-next
443		case $os in
444		    -nextstep* )
445			;;
446		    -ns2*)
447		      os=-nextstep2
448			;;
449		    *)
450		      os=-nextstep3
451			;;
452		esac
453		;;
454	nh3000)
455		basic_machine=m68k-harris
456		os=-cxux
457		;;
458	nh[45]000)
459		basic_machine=m88k-harris
460		os=-cxux
461		;;
462	nindy960)
463		basic_machine=i960-intel
464		os=-nindy
465		;;
466	np1)
467		basic_machine=np1-gould
468		;;
469	pa-hitachi)
470		basic_machine=hppa1.1-hitachi
471		os=-hiuxwe2
472		;;
473	paragon)
474		basic_machine=i860-intel
475		os=-osf
476		;;
477	pbd)
478		basic_machine=sparc-tti
479		;;
480	pbb)
481		basic_machine=m68k-tti
482		;;
483        pc532 | pc532-*)
484		basic_machine=ns32k-pc532
485		;;
486	pentium | p5 | k5 | nexen)
487		basic_machine=i586-pc
488		;;
489	pentiumpro | p6 | k6 | 6x86)
490		basic_machine=i686-pc
491		;;
492	pentiumii | pentium2)
493		basic_machine=i786-pc
494		;;
495	pentium-* | p5-* | k5-* | nexen-*)
496		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
497		;;
498	pentiumpro-* | p6-* | k6-* | 6x86-*)
499		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
500		;;
501	pentiumii-* | pentium2-*)
502		basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
503		;;
504	pn)
505		basic_machine=pn-gould
506		;;
507	power)	basic_machine=rs6000-ibm
508		;;
509	ppc)	basic_machine=powerpc-unknown
510	        ;;
511	ppc-*)	basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
512		;;
513	ppcle | powerpclittle | ppc-le | powerpc-little)
514		basic_machine=powerpcle-unknown
515	        ;;
516	ppcle-* | powerpclittle-*)
517		basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
518		;;
519	ps2)
520		basic_machine=i386-ibm
521		;;
522	rm[46]00)
523		basic_machine=mips-siemens
524		;;
525	rtpc | rtpc-*)
526		basic_machine=romp-ibm
527		;;
528	sequent)
529		basic_machine=i386-sequent
530		;;
531	sh)
532		basic_machine=sh-hitachi
533		os=-hms
534		;;
535	sps7)
536		basic_machine=m68k-bull
537		os=-sysv2
538		;;
539	spur)
540		basic_machine=spur-unknown
541		;;
542	sun2)
543		basic_machine=m68000-sun
544		;;
545	sun2os3)
546		basic_machine=m68000-sun
547		os=-sunos3
548		;;
549	sun2os4)
550		basic_machine=m68000-sun
551		os=-sunos4
552		;;
553	sun3os3)
554		basic_machine=m68k-sun
555		os=-sunos3
556		;;
557	sun3os4)
558		basic_machine=m68k-sun
559		os=-sunos4
560		;;
561	sun4os3)
562		basic_machine=sparc-sun
563		os=-sunos3
564		;;
565	sun4os4)
566		basic_machine=sparc-sun
567		os=-sunos4
568		;;
569	sun4sol2)
570		basic_machine=sparc-sun
571		os=-solaris2
572		;;
573	sun3 | sun3-*)
574		basic_machine=m68k-sun
575		;;
576	sun4)
577		basic_machine=sparc-sun
578		;;
579	sun386 | sun386i | roadrunner)
580		basic_machine=i386-sun
581		;;
582	symmetry)
583		basic_machine=i386-sequent
584		os=-dynix
585		;;
586	tx39)
587		basic_machine=mipstx39-unknown
588		;;
589	tx39el)
590		basic_machine=mipstx39el-unknown
591		;;
592	tower | tower-32)
593		basic_machine=m68k-ncr
594		;;
595	udi29k)
596		basic_machine=a29k-amd
597		os=-udi
598		;;
599	ultra3)
600		basic_machine=a29k-nyu
601		os=-sym1
602		;;
603	vaxv)
604		basic_machine=vax-dec
605		os=-sysv
606		;;
607	vms)
608		basic_machine=vax-dec
609		os=-vms
610		;;
611	vpp*|vx|vx-*)
612               basic_machine=f301-fujitsu
613               ;;
614	vxworks960)
615		basic_machine=i960-wrs
616		os=-vxworks
617		;;
618	vxworks68)
619		basic_machine=m68k-wrs
620		os=-vxworks
621		;;
622	vxworks29k)
623		basic_machine=a29k-wrs
624		os=-vxworks
625		;;
626	xmp)
627		basic_machine=xmp-cray
628		os=-unicos
629		;;
630        xps | xps100)
631		basic_machine=xps100-honeywell
632		;;
633	none)
634		basic_machine=none-none
635		os=-none
636		;;
637
638# Here we handle the default manufacturer of certain CPU types.  It is in
639# some cases the only manufacturer, in others, it is the most popular.
640	mips)
641		if [ x$os = x-linux-gnu ]; then
642			basic_machine=mips-unknown
643		else
644			basic_machine=mips-mips
645		fi
646		;;
647	romp)
648		basic_machine=romp-ibm
649		;;
650	rs6000)
651		basic_machine=rs6000-ibm
652		;;
653	vax)
654		basic_machine=vax-dec
655		;;
656	pdp11)
657		basic_machine=pdp11-dec
658		;;
659	we32k)
660		basic_machine=we32k-att
661		;;
662	sparc)
663		basic_machine=sparc-sun
664		;;
665        cydra)
666		basic_machine=cydra-cydrome
667		;;
668	orion)
669		basic_machine=orion-highlevel
670		;;
671	orion105)
672		basic_machine=clipper-highlevel
673		;;
674	*)
675		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
676		exit 1
677		;;
678esac
679
680# Here we canonicalize certain aliases for manufacturers.
681case $basic_machine in
682	*-digital*)
683		basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
684		;;
685	*-commodore*)
686		basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
687		;;
688	*)
689		;;
690esac
691
692# Decode manufacturer-specific aliases for certain operating systems.
693
694if [ x"$os" != x"" ]
695then
696case $os in
697        # First match some system type aliases
698        # that might get confused with valid system types.
699	# -solaris* is a basic system type, with this one exception.
700	-solaris1 | -solaris1.*)
701		os=`echo $os | sed -e 's|solaris1|sunos4|'`
702		;;
703	-solaris)
704		os=-solaris2
705		;;
706	-svr4*)
707		os=-sysv4
708		;;
709	-unixware*)
710		os=-sysv4.2uw
711		;;
712	-gnu/linux*)
713		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
714		;;
715	# First accept the basic system types.
716	# The portable systems comes first.
717	# Each alternative MUST END IN A *, to match a version number.
718	# -sysv* is not here because it comes later, after sysvr4.
719	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
720	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
721	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
722	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
723	      | -aos* \
724	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
725	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
726	      | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
727	      | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
728	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
729	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
730	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
731	      | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -rhapsody* \
732	      | -openstep* | -mpeix* | -oskit*)
733	# Remember, each alternative MUST END IN *, to match a version number.
734		;;
735	-linux*)
736		os=`echo $os | sed -e 's|linux|linux-gnu|'`
737		;;
738	-sunos5*)
739		os=`echo $os | sed -e 's|sunos5|solaris2|'`
740		;;
741	-sunos6*)
742		os=`echo $os | sed -e 's|sunos6|solaris3|'`
743		;;
744	-osfrose*)
745		os=-osfrose
746		;;
747	-osf*)
748		os=-osf
749		;;
750	-utek*)
751		os=-bsd
752		;;
753	-dynix*)
754		os=-bsd
755		;;
756	-acis*)
757		os=-aos
758		;;
759	-ctix* | -uts*)
760		os=-sysv
761		;;
762	-ns2 )
763	        os=-nextstep2
764		;;
765	# Preserve the version number of sinix5.
766	-sinix5.*)
767		os=`echo $os | sed -e 's|sinix|sysv|'`
768		;;
769	-sinix*)
770		os=-sysv4
771		;;
772	-triton*)
773		os=-sysv3
774		;;
775	-oss*)
776		os=-sysv3
777		;;
778	-svr4)
779		os=-sysv4
780		;;
781	-svr3)
782		os=-sysv3
783		;;
784	-sysvr4)
785		os=-sysv4
786		;;
787	# This must come after -sysvr4.
788	-sysv*)
789		;;
790	-xenix)
791		os=-xenix
792		;;
793	-none)
794		;;
795	*)
796		# Get rid of the `-' at the beginning of $os.
797		os=`echo $os | sed 's/[^-]*-//'`
798		echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
799		exit 1
800		;;
801esac
802else
803
804# Here we handle the default operating systems that come with various machines.
805# The value should be what the vendor currently ships out the door with their
806# machine or put another way, the most popular os provided with the machine.
807
808# Note that if you're going to try to match "-MANUFACTURER" here (say,
809# "-sun"), then you have to tell the case statement up towards the top
810# that MANUFACTURER isn't an operating system.  Otherwise, code above
811# will signal an error saying that MANUFACTURER isn't an operating
812# system, and we'll never get to this point.
813
814case $basic_machine in
815	*-acorn)
816		os=-riscix1.2
817		;;
818	arm*-corel)
819		os=-linux
820		;;
821	arm*-semi)
822		os=-aout
823		;;
824        pdp11-*)
825		os=-none
826		;;
827	*-dec | vax-*)
828		os=-ultrix4.2
829		;;
830	m68*-apollo)
831		os=-domain
832		;;
833	i386-sun)
834		os=-sunos4.0.2
835		;;
836	m68000-sun)
837		os=-sunos3
838		# This also exists in the configure program, but was not the
839		# default.
840		# os=-sunos4
841		;;
842	*-tti)	# must be before sparc entry or we get the wrong os.
843		os=-sysv3
844		;;
845	sparc-* | *-sun)
846		os=-sunos4.1.1
847		;;
848	*-be)
849		os=-beos
850		;;
851	*-ibm)
852		os=-aix
853		;;
854	*-hp)
855		os=-hpux
856		;;
857	*-hitachi)
858		os=-hiux
859		;;
860	i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
861		os=-sysv
862		;;
863	*-cbm)
864		os=-amigaos
865		;;
866	*-dg)
867		os=-dgux
868		;;
869	*-dolphin)
870		os=-sysv3
871		;;
872	m68k-ccur)
873		os=-rtu
874		;;
875	m88k-omron*)
876		os=-luna
877		;;
878	*-next )
879		os=-nextstep
880		;;
881	*-sequent)
882		os=-ptx
883		;;
884	*-crds)
885		os=-unos
886		;;
887	*-ns)
888		os=-genix
889		;;
890	i370-*)
891		os=-mvs
892		;;
893	*-next)
894		os=-nextstep3
895		;;
896        *-gould)
897		os=-sysv
898		;;
899        *-highlevel)
900		os=-bsd
901		;;
902	*-encore)
903		os=-bsd
904		;;
905        *-sgi)
906		os=-irix
907		;;
908        *-siemens)
909		os=-sysv4
910		;;
911	*-masscomp)
912		os=-rtu
913		;;
914	f301-fujitsu)
915		os=-uxpv
916		;;
917	*)
918		os=-none
919		;;
920esac
921fi
922
923# Here we handle the case where we know the os, and the CPU type, but not the
924# manufacturer.  We pick the logical manufacturer.
925vendor=unknown
926case $basic_machine in
927	*-unknown)
928		case $os in
929			-riscix*)
930				vendor=acorn
931				;;
932			-sunos*)
933				vendor=sun
934				;;
935			-aix*)
936				vendor=ibm
937				;;
938			-hpux*)
939				vendor=hp
940				;;
941			-mpeix*)
942				vendor=hp
943				;;
944			-mpeix*)
945				vendor=hp
946				;;
947			-hiux*)
948				vendor=hitachi
949				;;
950			-unos*)
951				vendor=crds
952				;;
953			-dgux*)
954				vendor=dg
955				;;
956			-luna*)
957				vendor=omron
958				;;
959			-genix*)
960				vendor=ns
961				;;
962			-mvs*)
963				vendor=ibm
964				;;
965			-ptx*)
966				vendor=sequent
967				;;
968			-vxsim* | -vxworks*)
969				vendor=wrs
970				;;
971			-aux*)
972				vendor=apple
973				;;
974		esac
975		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
976		;;
977esac
978
979echo $basic_machine$os
980