config.sub revision ae137402
1#! /bin/sh
2# Configuration validation subroutine script.
3#   Copyright 2021 Thomas E. Dickey
4#   Copyright 1992-2021 Free Software Foundation, Inc.
5
6timestamp='2021-03-10'
7
8# This file is free software; you can redistribute it and/or modify it
9# under the terms of the GNU General Public License as published by
10# the Free Software Foundation; either version 3 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, but
14# WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16# 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, see <https://www.gnu.org/licenses/>.
20#
21# As a special exception to the GNU General Public License, if you
22# distribute this file as part of a program that contains a
23# configuration script generated by Autoconf, you may include it under
24# the same distribution terms that you use for the rest of that
25# program.  This Exception is an additional permission under section 7
26# of the GNU General Public License, version 3 ("GPLv3").
27
28
29# Please send patches to <config-patches@gnu.org>.
30#
31# Configuration subroutine to validate and canonicalize a configuration type.
32# Supply the specified configuration type as an argument.
33# If it is invalid, we print an error message on stderr and exit with code 1.
34# Otherwise, we print the canonical config type on stdout and succeed.
35
36# You can get the latest version of this script from:
37# https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
38
39# This file is supposed to be the same for all GNU packages
40# and recognize all the CPU types, system types and aliases
41# that are meaningful with *any* GNU software.
42# Each package is responsible for reporting which valid configurations
43# it does not support.  The user should be able to distinguish
44# a failure to support a valid configuration from a meaningless
45# configuration.
46
47# The goal of this file is to map all the various variations of a given
48# machine specification into a single specification in the form:
49#	CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
50# or in some cases, the newer four-part form:
51#	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
52# It is wrong to echo any other type of specification.
53
54me=`echo "$0" | sed -e 's,.*/,,'`
55
56usage="\
57Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
58
59Canonicalize a configuration name.
60
61Options:
62  -h, --help         print this help, then exit
63  -t, --time-stamp   print date of last modification, then exit
64  -v, --version      print version number, then exit
65
66Report bugs and patches to <config-patches@gnu.org>."
67
68version="\
69GNU config.sub ($timestamp)
70
71Copyright 1992-2021 Free Software Foundation, Inc.
72
73This is free software; see the source for copying conditions.  There is NO
74warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
75
76help="
77Try \`$me --help' for more information."
78
79# Parse command line
80while test $# -gt 0 ; do
81  case $1 in
82    --time-stamp | --time* | -t )
83       echo "$timestamp" ; exit ;;
84    --version | -v )
85       echo "$version" ; exit ;;
86    --help | --h* | -h )
87       echo "$usage"; exit ;;
88    -- )     # Stop option processing
89       shift; break ;;
90    - )	# Use stdin as input.
91       break ;;
92    -* )
93       echo "$me: invalid option $1$help" >&2
94       exit 1 ;;
95
96    *local*)
97       # First pass through any local machine types.
98       echo "$1"
99       exit ;;
100
101    * )
102       break ;;
103  esac
104done
105
106case $# in
107 0) echo "$me: missing argument$help" >&2
108    exit 1;;
109 1) ;;
110 *) echo "$me: too many arguments$help" >&2
111    exit 1;;
112esac
113
114# Split fields of configuration type
115# shellcheck disable=SC2162
116IFS="-" read field1 field2 field3 field4 <<EOF
117$1
118EOF
119
120# Separate into logical components for further validation
121case $1 in
122	*-*-*-*-*)
123		echo Invalid configuration \`"$1"\': more than four components >&2
124		exit 1
125		;;
126	*-*-*-*)
127		basic_machine=$field1-$field2
128		basic_os=$field3-$field4
129		;;
130	*-*-*)
131		# Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two
132		# parts
133		maybe_os=$field2-$field3
134		case $maybe_os in
135			nto-qnx* | linux-* | uclinux-uclibc* \
136			| uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \
137			| netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \
138			| storm-chaos* | os2-emx* | rtmk-nova*)
139				basic_machine=$field1
140				basic_os=$maybe_os
141				;;
142			android-linux)
143				basic_machine=$field1-unknown
144				basic_os=linux-android
145				;;
146			*)
147				basic_machine=$field1-$field2
148				basic_os=$field3
149				;;
150		esac
151		;;
152	*-*)
153		# A lone config we happen to match not fitting any pattern
154		case $field1-$field2 in
155			decstation-3100)
156				basic_machine=mips-dec
157				basic_os=
158				;;
159			*-*)
160				# Second component is usually, but not always the OS
161				case $field2 in
162					# Prevent following clause from handling this valid os
163					sun*os*)
164						basic_machine=$field1
165						basic_os=$field2
166						;;
167					# Manufacturers
168					dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \
169					| att* | 7300* | 3300* | delta* | motorola* | sun[234]* \
170					| unicom* | ibm* | next | hp | isi* | apollo | altos* \
171					| convergent* | ncr* | news | 32* | 3600* | 3100* \
172					| hitachi* | c[123]* | convex* | sun | crds | omron* | dg \
173					| ultra | tti* | harris | dolphin | highlevel | gould \
174					| cbm | ns | masscomp | apple | axis | knuth | cray \
175					| microblaze* | sim | cisco \
176					| oki | wec | wrs | winbond)
177						basic_machine=$field1-$field2
178						basic_os=
179						;;
180					*)
181						basic_machine=$field1
182						basic_os=$field2
183						;;
184				esac
185			;;
186		esac
187		;;
188	*)
189		# Convert single-component short-hands not valid as part of
190		# multi-component configurations.
191		case $field1 in
192			386bsd)
193				basic_machine=i386-pc
194				basic_os=bsd
195				;;
196			a29khif)
197				basic_machine=a29k-amd
198				basic_os=udi
199				;;
200			adobe68k)
201				basic_machine=m68010-adobe
202				basic_os=scout
203				;;
204			alliant)
205				basic_machine=fx80-alliant
206				basic_os=
207				;;
208			altos | altos3068)
209				basic_machine=m68k-altos
210				basic_os=
211				;;
212			am29k)
213				basic_machine=a29k-none
214				basic_os=bsd
215				;;
216			amdahl)
217				basic_machine=580-amdahl
218				basic_os=sysv
219				;;
220			amiga)
221				basic_machine=m68k-unknown
222				basic_os=
223				;;
224			amigaos | amigados)
225				basic_machine=m68k-unknown
226				basic_os=amigaos
227				;;
228			amigaunix | amix)
229				basic_machine=m68k-unknown
230				basic_os=sysv4
231				;;
232			apollo68)
233				basic_machine=m68k-apollo
234				basic_os=sysv
235				;;
236			apollo68bsd)
237				basic_machine=m68k-apollo
238				basic_os=bsd
239				;;
240			aros)
241				basic_machine=i386-pc
242				basic_os=aros
243				;;
244			aux)
245				basic_machine=m68k-apple
246				basic_os=aux
247				;;
248			balance)
249				basic_machine=ns32k-sequent
250				basic_os=dynix
251				;;
252			blackfin)
253				basic_machine=bfin-unknown
254				basic_os=linux
255				;;
256			cegcc)
257				basic_machine=arm-unknown
258				basic_os=cegcc
259				;;
260			convex-c1)
261				basic_machine=c1-convex
262				basic_os=bsd
263				;;
264			convex-c2)
265				basic_machine=c2-convex
266				basic_os=bsd
267				;;
268			convex-c32)
269				basic_machine=c32-convex
270				basic_os=bsd
271				;;
272			convex-c34)
273				basic_machine=c34-convex
274				basic_os=bsd
275				;;
276			convex-c38)
277				basic_machine=c38-convex
278				basic_os=bsd
279				;;
280			cray)
281				basic_machine=j90-cray
282				basic_os=unicos
283				;;
284			crds | unos)
285				basic_machine=m68k-crds
286				basic_os=
287				;;
288			da30)
289				basic_machine=m68k-da30
290				basic_os=
291				;;
292			decstation | pmax | pmin | dec3100 | decstatn)
293				basic_machine=mips-dec
294				basic_os=
295				;;
296			delta88)
297				basic_machine=m88k-motorola
298				basic_os=sysv3
299				;;
300			dicos)
301				basic_machine=i686-pc
302				basic_os=dicos
303				;;
304			djgpp)
305				basic_machine=i586-pc
306				basic_os=msdosdjgpp
307				;;
308			ebmon29k)
309				basic_machine=a29k-amd
310				basic_os=ebmon
311				;;
312			es1800 | OSE68k | ose68k | ose | OSE)
313				basic_machine=m68k-ericsson
314				basic_os=ose
315				;;
316			gmicro)
317				basic_machine=tron-gmicro
318				basic_os=sysv
319				;;
320			go32)
321				basic_machine=i386-pc
322				basic_os=go32
323				;;
324			h8300hms)
325				basic_machine=h8300-hitachi
326				basic_os=hms
327				;;
328			h8300xray)
329				basic_machine=h8300-hitachi
330				basic_os=xray
331				;;
332			h8500hms)
333				basic_machine=h8500-hitachi
334				basic_os=hms
335				;;
336			harris)
337				basic_machine=m88k-harris
338				basic_os=sysv3
339				;;
340			hp300 | hp300hpux)
341				basic_machine=m68k-hp
342				basic_os=hpux
343				;;
344			hp300bsd)
345				basic_machine=m68k-hp
346				basic_os=bsd
347				;;
348			hppaosf)
349				basic_machine=hppa1.1-hp
350				basic_os=osf
351				;;
352			hppro)
353				basic_machine=hppa1.1-hp
354				basic_os=proelf
355				;;
356			i386mach)
357				basic_machine=i386-mach
358				basic_os=mach
359				;;
360			isi68 | isi)
361				basic_machine=m68k-isi
362				basic_os=sysv
363				;;
364			m68knommu)
365				basic_machine=m68k-unknown
366				basic_os=linux
367				;;
368			magnum | m3230)
369				basic_machine=mips-mips
370				basic_os=sysv
371				;;
372			merlin)
373				basic_machine=ns32k-utek
374				basic_os=sysv
375				;;
376			mingw64)
377				basic_machine=x86_64-pc
378				basic_os=mingw64
379				;;
380			mingw32)
381				basic_machine=i686-pc
382				basic_os=mingw32
383				;;
384			mingw32ce)
385				basic_machine=arm-unknown
386				basic_os=mingw32ce
387				;;
388			monitor)
389				basic_machine=m68k-rom68k
390				basic_os=coff
391				;;
392			morphos)
393				basic_machine=powerpc-unknown
394				basic_os=morphos
395				;;
396			moxiebox)
397				basic_machine=moxie-unknown
398				basic_os=moxiebox
399				;;
400			msdos)
401				basic_machine=i386-pc
402				basic_os=msdos
403				;;
404			msys)
405				basic_machine=i686-pc
406				basic_os=msys
407				;;
408			mvs)
409				basic_machine=i370-ibm
410				basic_os=mvs
411				;;
412			nacl)
413				basic_machine=le32-unknown
414				basic_os=nacl
415				;;
416			ncr3000)
417				basic_machine=i486-ncr
418				basic_os=sysv4
419				;;
420			netbsd386)
421				basic_machine=i386-pc
422				basic_os=netbsd
423				;;
424			netwinder)
425				basic_machine=armv4l-rebel
426				basic_os=linux
427				;;
428			news | news700 | news800 | news900)
429				basic_machine=m68k-sony
430				basic_os=newsos
431				;;
432			news1000)
433				basic_machine=m68030-sony
434				basic_os=newsos
435				;;
436			necv70)
437				basic_machine=v70-nec
438				basic_os=sysv
439				;;
440			nh3000)
441				basic_machine=m68k-harris
442				basic_os=cxux
443				;;
444			nh[45]000)
445				basic_machine=m88k-harris
446				basic_os=cxux
447				;;
448			nindy960)
449				basic_machine=i960-intel
450				basic_os=nindy
451				;;
452			mon960)
453				basic_machine=i960-intel
454				basic_os=mon960
455				;;
456			nonstopux)
457				basic_machine=mips-compaq
458				basic_os=nonstopux
459				;;
460			os400)
461				basic_machine=powerpc-ibm
462				basic_os=os400
463				;;
464			OSE68000 | ose68000)
465				basic_machine=m68000-ericsson
466				basic_os=ose
467				;;
468			os68k)
469				basic_machine=m68k-none
470				basic_os=os68k
471				;;
472			paragon)
473				basic_machine=i860-intel
474				basic_os=osf
475				;;
476			parisc)
477				basic_machine=hppa-unknown
478				basic_os=linux
479				;;
480			psp)
481				basic_machine=mipsallegrexel-sony
482				basic_os=psp
483				;;
484			pw32)
485				basic_machine=i586-unknown
486				basic_os=pw32
487				;;
488			rdos | rdos64)
489				basic_machine=x86_64-pc
490				basic_os=rdos
491				;;
492			rdos32)
493				basic_machine=i386-pc
494				basic_os=rdos
495				;;
496			rom68k)
497				basic_machine=m68k-rom68k
498				basic_os=coff
499				;;
500			sa29200)
501				basic_machine=a29k-amd
502				basic_os=udi
503				;;
504			sei)
505				basic_machine=mips-sei
506				basic_os=seiux
507				;;
508			sequent)
509				basic_machine=i386-sequent
510				basic_os=
511				;;
512			sps7)
513				basic_machine=m68k-bull
514				basic_os=sysv2
515				;;
516			st2000)
517				basic_machine=m68k-tandem
518				basic_os=
519				;;
520			stratus)
521				basic_machine=i860-stratus
522				basic_os=sysv4
523				;;
524			sun2)
525				basic_machine=m68000-sun
526				basic_os=
527				;;
528			sun2os3)
529				basic_machine=m68000-sun
530				basic_os=sunos3
531				;;
532			sun2os4)
533				basic_machine=m68000-sun
534				basic_os=sunos4
535				;;
536			sun3)
537				basic_machine=m68k-sun
538				basic_os=
539				;;
540			sun3os3)
541				basic_machine=m68k-sun
542				basic_os=sunos3
543				;;
544			sun3os4)
545				basic_machine=m68k-sun
546				basic_os=sunos4
547				;;
548			sun4)
549				basic_machine=sparc-sun
550				basic_os=
551				;;
552			sun4os3)
553				basic_machine=sparc-sun
554				basic_os=sunos3
555				;;
556			sun4os4)
557				basic_machine=sparc-sun
558				basic_os=sunos4
559				;;
560			sun4sol2)
561				basic_machine=sparc-sun
562				basic_os=solaris2
563				;;
564			sun386 | sun386i | roadrunner)
565				basic_machine=i386-sun
566				basic_os=
567				;;
568			sv1)
569				basic_machine=sv1-cray
570				basic_os=unicos
571				;;
572			symmetry)
573				basic_machine=i386-sequent
574				basic_os=dynix
575				;;
576			t3e)
577				basic_machine=alphaev5-cray
578				basic_os=unicos
579				;;
580			t90)
581				basic_machine=t90-cray
582				basic_os=unicos
583				;;
584			toad1)
585				basic_machine=pdp10-xkl
586				basic_os=tops20
587				;;
588			tpf)
589				basic_machine=s390x-ibm
590				basic_os=tpf
591				;;
592			udi29k)
593				basic_machine=a29k-amd
594				basic_os=udi
595				;;
596			ultra3)
597				basic_machine=a29k-nyu
598				basic_os=sym1
599				;;
600			v810 | necv810)
601				basic_machine=v810-nec
602				basic_os=none
603				;;
604			vaxv)
605				basic_machine=vax-dec
606				basic_os=sysv
607				;;
608			vms)
609				basic_machine=vax-dec
610				basic_os=vms
611				;;
612			vsta)
613				basic_machine=i386-pc
614				basic_os=vsta
615				;;
616			vxworks960)
617				basic_machine=i960-wrs
618				basic_os=vxworks
619				;;
620			vxworks68)
621				basic_machine=m68k-wrs
622				basic_os=vxworks
623				;;
624			vxworks29k)
625				basic_machine=a29k-wrs
626				basic_os=vxworks
627				;;
628			xbox)
629				basic_machine=i686-pc
630				basic_os=mingw32
631				;;
632			ymp)
633				basic_machine=ymp-cray
634				basic_os=unicos
635				;;
636			*)
637				basic_machine=$1
638				basic_os=
639				;;
640		esac
641		;;
642esac
643
644# Decode 1-component or ad-hoc basic machines
645case $basic_machine in
646	# Here we handle the default manufacturer of certain CPU types.  It is in
647	# some cases the only manufacturer, in others, it is the most popular.
648	w89k)
649		cpu=hppa1.1
650		vendor=winbond
651		;;
652	op50n)
653		cpu=hppa1.1
654		vendor=oki
655		;;
656	op60c)
657		cpu=hppa1.1
658		vendor=oki
659		;;
660	ibm*)
661		cpu=i370
662		vendor=ibm
663		;;
664	orion105)
665		cpu=clipper
666		vendor=highlevel
667		;;
668	mac | mpw | mac-mpw)
669		cpu=m68k
670		vendor=apple
671		;;
672	pmac | pmac-mpw)
673		cpu=powerpc
674		vendor=apple
675		;;
676
677	# Recognize the various machine names and aliases which stand
678	# for a CPU type and a company and sometimes even an OS.
679	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
680		cpu=m68000
681		vendor=att
682		;;
683	3b*)
684		cpu=we32k
685		vendor=att
686		;;
687	bluegene*)
688		cpu=powerpc
689		vendor=ibm
690		basic_os=cnk
691		;;
692	decsystem10* | dec10*)
693		cpu=pdp10
694		vendor=dec
695		basic_os=tops10
696		;;
697	decsystem20* | dec20*)
698		cpu=pdp10
699		vendor=dec
700		basic_os=tops20
701		;;
702	delta | 3300 | motorola-3300 | motorola-delta \
703	      | 3300-motorola | delta-motorola)
704		cpu=m68k
705		vendor=motorola
706		;;
707	dpx2*)
708		cpu=m68k
709		vendor=bull
710		basic_os=sysv3
711		;;
712	encore | umax | mmax)
713		cpu=ns32k
714		vendor=encore
715		;;
716	elxsi)
717		cpu=elxsi
718		vendor=elxsi
719		basic_os=${basic_os:-bsd}
720		;;
721	fx2800)
722		cpu=i860
723		vendor=alliant
724		;;
725	genix)
726		cpu=ns32k
727		vendor=ns
728		;;
729	h3050r* | hiux*)
730		cpu=hppa1.1
731		vendor=hitachi
732		basic_os=hiuxwe2
733		;;
734	hp3k9[0-9][0-9] | hp9[0-9][0-9])
735		cpu=hppa1.0
736		vendor=hp
737		;;
738	hp9k2[0-9][0-9] | hp9k31[0-9])
739		cpu=m68000
740		vendor=hp
741		;;
742	hp9k3[2-9][0-9])
743		cpu=m68k
744		vendor=hp
745		;;
746	hp9k6[0-9][0-9] | hp6[0-9][0-9])
747		cpu=hppa1.0
748		vendor=hp
749		;;
750	hp9k7[0-79][0-9] | hp7[0-79][0-9])
751		cpu=hppa1.1
752		vendor=hp
753		;;
754	hp9k78[0-9] | hp78[0-9])
755		# FIXME: really hppa2.0-hp
756		cpu=hppa1.1
757		vendor=hp
758		;;
759	hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
760		# FIXME: really hppa2.0-hp
761		cpu=hppa1.1
762		vendor=hp
763		;;
764	hp9k8[0-9][13679] | hp8[0-9][13679])
765		cpu=hppa1.1
766		vendor=hp
767		;;
768	hp9k8[0-9][0-9] | hp8[0-9][0-9])
769		cpu=hppa1.0
770		vendor=hp
771		;;
772	i*86v32)
773		cpu=`echo "$1" | sed -e 's/86.*/86/'`
774		vendor=pc
775		basic_os=sysv32
776		;;
777	i*86v4*)
778		cpu=`echo "$1" | sed -e 's/86.*/86/'`
779		vendor=pc
780		basic_os=sysv4
781		;;
782	i*86v)
783		cpu=`echo "$1" | sed -e 's/86.*/86/'`
784		vendor=pc
785		basic_os=sysv
786		;;
787	i*86sol2)
788		cpu=`echo "$1" | sed -e 's/86.*/86/'`
789		vendor=pc
790		basic_os=solaris2
791		;;
792	j90 | j90-cray)
793		cpu=j90
794		vendor=cray
795		basic_os=${basic_os:-unicos}
796		;;
797	iris | iris4d)
798		cpu=mips
799		vendor=sgi
800		case $basic_os in
801		    irix*)
802			;;
803		    *)
804			basic_os=irix4
805			;;
806		esac
807		;;
808	miniframe)
809		cpu=m68000
810		vendor=convergent
811		;;
812	*mint | mint[0-9]* | *MiNT | *MiNT[0-9]*)
813		cpu=m68k
814		vendor=atari
815		basic_os=mint
816		;;
817	news-3600 | risc-news)
818		cpu=mips
819		vendor=sony
820		basic_os=newsos
821		;;
822	next | m*-next)
823		cpu=m68k
824		vendor=next
825		case $basic_os in
826		    openstep*)
827		        ;;
828		    nextstep*)
829			;;
830		    ns2*)
831		      basic_os=nextstep2
832			;;
833		    *)
834		      basic_os=nextstep3
835			;;
836		esac
837		;;
838	np1)
839		cpu=np1
840		vendor=gould
841		;;
842	op50n-* | op60c-*)
843		cpu=hppa1.1
844		vendor=oki
845		basic_os=proelf
846		;;
847	pa-hitachi)
848		cpu=hppa1.1
849		vendor=hitachi
850		basic_os=hiuxwe2
851		;;
852	pbd)
853		cpu=sparc
854		vendor=tti
855		;;
856	pbb)
857		cpu=m68k
858		vendor=tti
859		;;
860	pc532)
861		cpu=ns32k
862		vendor=pc532
863		;;
864	pn)
865		cpu=pn
866		vendor=gould
867		;;
868	power)
869		cpu=power
870		vendor=ibm
871		;;
872	ps2)
873		cpu=i386
874		vendor=ibm
875		;;
876	rm[46]00)
877		cpu=mips
878		vendor=siemens
879		;;
880	rtpc | rtpc-*)
881		cpu=romp
882		vendor=ibm
883		;;
884	sde)
885		cpu=mipsisa32
886		vendor=sde
887		basic_os=${basic_os:-elf}
888		;;
889	simso-wrs)
890		cpu=sparclite
891		vendor=wrs
892		basic_os=vxworks
893		;;
894	tower | tower-32)
895		cpu=m68k
896		vendor=ncr
897		;;
898	vpp*|vx|vx-*)
899		cpu=f301
900		vendor=fujitsu
901		;;
902	w65)
903		cpu=w65
904		vendor=wdc
905		;;
906	w89k-*)
907		cpu=hppa1.1
908		vendor=winbond
909		basic_os=proelf
910		;;
911	none)
912		cpu=none
913		vendor=none
914		;;
915	leon|leon[3-9])
916		cpu=sparc
917		vendor=$basic_machine
918		;;
919	leon-*|leon[3-9]-*)
920		cpu=sparc
921		vendor=`echo "$basic_machine" | sed 's/-.*//'`
922		;;
923
924	*-*)
925		# shellcheck disable=SC2162
926		IFS="-" read cpu vendor <<EOF
927$basic_machine
928EOF
929		;;
930	# We use `pc' rather than `unknown'
931	# because (1) that's what they normally are, and
932	# (2) the word "unknown" tends to confuse beginning users.
933	i*86 | x86_64)
934		cpu=$basic_machine
935		vendor=pc
936		;;
937	# These rules are duplicated from below for sake of the special case above;
938	# i.e. things that normalized to x86 arches should also default to "pc"
939	pc98)
940		cpu=i386
941		vendor=pc
942		;;
943	x64 | amd64)
944		cpu=x86_64
945		vendor=pc
946		;;
947	# Recognize the basic CPU types without company name.
948	*)
949		cpu=$basic_machine
950		vendor=unknown
951		;;
952esac
953
954unset -v basic_machine
955
956# Decode basic machines in the full and proper CPU-Company form.
957case $cpu-$vendor in
958	# Here we handle the default manufacturer of certain CPU types in canonical form. It is in
959	# some cases the only manufacturer, in others, it is the most popular.
960	craynv-unknown)
961		vendor=cray
962		basic_os=${basic_os:-unicosmp}
963		;;
964	c90-unknown | c90-cray)
965		vendor=cray
966		basic_os=${Basic_os:-unicos}
967		;;
968	fx80-unknown)
969		vendor=alliant
970		;;
971	romp-unknown)
972		vendor=ibm
973		;;
974	mmix-unknown)
975		vendor=knuth
976		;;
977	microblaze-unknown | microblazeel-unknown)
978		vendor=xilinx
979		;;
980	rs6000-unknown)
981		vendor=ibm
982		;;
983	vax-unknown)
984		vendor=dec
985		;;
986	pdp11-unknown)
987		vendor=dec
988		;;
989	we32k-unknown)
990		vendor=att
991		;;
992	cydra-unknown)
993		vendor=cydrome
994		;;
995	i370-ibm*)
996		vendor=ibm
997		;;
998	orion-unknown)
999		vendor=highlevel
1000		;;
1001	xps-unknown | xps100-unknown)
1002		cpu=xps100
1003		vendor=honeywell
1004		;;
1005
1006	# Here we normalize CPU types with a missing or matching vendor
1007	dpx20-unknown | dpx20-bull)
1008		cpu=rs6000
1009		vendor=bull
1010		basic_os=${basic_os:-bosx}
1011		;;
1012
1013	# Here we normalize CPU types irrespective of the vendor
1014	amd64-*)
1015		cpu=x86_64
1016		;;
1017	blackfin-*)
1018		cpu=bfin
1019		basic_os=linux
1020		;;
1021	c54x-*)
1022		cpu=tic54x
1023		;;
1024	c55x-*)
1025		cpu=tic55x
1026		;;
1027	c6x-*)
1028		cpu=tic6x
1029		;;
1030	e500v[12]-*)
1031		cpu=powerpc
1032		basic_os=${basic_os}"spe"
1033		;;
1034	mips3*-*)
1035		cpu=mips64
1036		;;
1037	ms1-*)
1038		cpu=mt
1039		;;
1040	m68knommu-*)
1041		cpu=m68k
1042		basic_os=linux
1043		;;
1044	m9s12z-* | m68hcs12z-* | hcs12z-* | s12z-*)
1045		cpu=s12z
1046		;;
1047	openrisc-*)
1048		cpu=or32
1049		;;
1050	parisc-*)
1051		cpu=hppa
1052		basic_os=linux
1053		;;
1054	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
1055		cpu=i586
1056		;;
1057	pentiumpro-* | p6-* | 6x86-* | athlon-* | athalon_*-*)
1058		cpu=i686
1059		;;
1060	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
1061		cpu=i686
1062		;;
1063	pentium4-*)
1064		cpu=i786
1065		;;
1066	pc98-*)
1067		cpu=i386
1068		;;
1069	ppc-* | ppcbe-*)
1070		cpu=powerpc
1071		;;
1072	ppcle-* | powerpclittle-*)
1073		cpu=powerpcle
1074		;;
1075	ppc64-*)
1076		cpu=powerpc64
1077		;;
1078	ppc64le-* | powerpc64little-*)
1079		cpu=powerpc64le
1080		;;
1081	sb1-*)
1082		cpu=mipsisa64sb1
1083		;;
1084	sb1el-*)
1085		cpu=mipsisa64sb1el
1086		;;
1087	sh5e[lb]-*)
1088		cpu=`echo "$cpu" | sed 's/^\(sh.\)e\(.\)$/\1\2e/'`
1089		;;
1090	spur-*)
1091		cpu=spur
1092		;;
1093	strongarm-* | thumb-*)
1094		cpu=arm
1095		;;
1096	tx39-*)
1097		cpu=mipstx39
1098		;;
1099	tx39el-*)
1100		cpu=mipstx39el
1101		;;
1102	x64-*)
1103		cpu=x86_64
1104		;;
1105	xscale-* | xscalee[bl]-*)
1106		cpu=`echo "$cpu" | sed 's/^xscale/arm/'`
1107		;;
1108	arm64-*)
1109		cpu=aarch64
1110		;;
1111
1112	# Recognize the canonical CPU Types that limit and/or modify the
1113	# company names they are paired with.
1114	cr16-*)
1115		basic_os=${basic_os:-elf}
1116		;;
1117	crisv32-* | etraxfs*-*)
1118		cpu=crisv32
1119		vendor=axis
1120		;;
1121	cris-* | etrax*-*)
1122		cpu=cris
1123		vendor=axis
1124		;;
1125	crx-*)
1126		basic_os=${basic_os:-elf}
1127		;;
1128	neo-tandem)
1129		cpu=neo
1130		vendor=tandem
1131		;;
1132	nse-tandem)
1133		cpu=nse
1134		vendor=tandem
1135		;;
1136	nsr-tandem)
1137		cpu=nsr
1138		vendor=tandem
1139		;;
1140	nsv-tandem)
1141		cpu=nsv
1142		vendor=tandem
1143		;;
1144	nsx-tandem)
1145		cpu=nsx
1146		vendor=tandem
1147		;;
1148	mipsallegrexel-sony)
1149		cpu=mipsallegrexel
1150		vendor=sony
1151		;;
1152	tile*-*)
1153		basic_os=${basic_os:-linux-gnu}
1154		;;
1155
1156	*)
1157		# Recognize the canonical CPU types that are allowed with any
1158		# company name.
1159		case $cpu in
1160			1750a | 580 \
1161			| a29k \
1162			| aarch64 | aarch64_be \
1163			| abacus \
1164			| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
1165			| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
1166			| alphapca5[67] | alpha64pca5[67] \
1167			| am33_2.0 \
1168			| amdgcn \
1169			| arc | arceb \
1170			| arm | arm[lb]e | arme[lb] | armv* \
1171			| avr | avr32 \
1172			| asmjs \
1173			| ba \
1174			| be32 | be64 \
1175			| bfin | bpf | bs2000 \
1176			| c[123]* | c30 | [cjt]90 | c4x \
1177			| c8051 | clipper | craynv | csky | cydra \
1178			| d10v | d30v | dlx | dsp16xx \
1179			| e2k | elxsi | epiphany \
1180			| f30[01] | f700 | fido | fr30 | frv | ft32 | fx80 \
1181			| h8300 | h8500 \
1182			| hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
1183			| hexagon \
1184			| i370 | i*86 | i860 | i960 | ia16 | ia64 \
1185			| ip2k | iq2000 \
1186			| k1om \
1187			| le32 | le64 \
1188			| lm32 \
1189			| loongarch32 | loongarch64 | loongarchx32 \
1190			| m32c | m32r | m32rle \
1191			| m5200 | m68000 | m680[012346]0 | m68360 | m683?2 | m68k \
1192			| m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x \
1193			| m88110 | m88k | maxq | mb | mcore | mep | metag \
1194			| microblaze | microblazeel \
1195			| mips | mipsbe | mipseb | mipsel | mipsle \
1196			| mips16 \
1197			| mips64 | mips64eb | mips64el \
1198			| mips64octeon | mips64octeonel \
1199			| mips64orion | mips64orionel \
1200			| mips64r5900 | mips64r5900el \
1201			| mips64vr | mips64vrel \
1202			| mips64vr4100 | mips64vr4100el \
1203			| mips64vr4300 | mips64vr4300el \
1204			| mips64vr5000 | mips64vr5000el \
1205			| mips64vr5900 | mips64vr5900el \
1206			| mipsisa32 | mipsisa32el \
1207			| mipsisa32r2 | mipsisa32r2el \
1208			| mipsisa32r6 | mipsisa32r6el \
1209			| mipsisa64 | mipsisa64el \
1210			| mipsisa64r2 | mipsisa64r2el \
1211			| mipsisa64r6 | mipsisa64r6el \
1212			| mipsisa64sb1 | mipsisa64sb1el \
1213			| mipsisa64sr71k | mipsisa64sr71kel \
1214			| mipsr5900 | mipsr5900el \
1215			| mipstx39 | mipstx39el \
1216			| mmix \
1217			| mn10200 | mn10300 \
1218			| moxie \
1219			| mt \
1220			| msp430 \
1221			| nds32 | nds32le | nds32be \
1222			| nfp \
1223			| nios | nios2 | nios2eb | nios2el \
1224			| none | np1 | ns16k | ns32k | nvptx \
1225			| open8 \
1226			| or1k* \
1227			| or32 \
1228			| orion \
1229			| picochip \
1230			| pdp10 | pdp11 | pj | pjl | pn | power \
1231			| powerpc | powerpc64 | powerpc64le | powerpcle | powerpcspe \
1232			| pru \
1233			| pyramid \
1234			| riscv | riscv32 | riscv32be | riscv64 | riscv64be \
1235			| rl78 | romp | rs6000 | rx \
1236			| s390 | s390x \
1237			| score \
1238			| sh | shl \
1239			| sh[1234] | sh[24]a | sh[24]ae[lb] | sh[23]e | she[lb] | sh[lb]e \
1240			| sh[1234]e[lb] |  sh[12345][lb]e | sh[23]ele | sh64 | sh64le \
1241			| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet \
1242			| sparclite \
1243			| sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
1244			| spu \
1245			| tahoe \
1246			| thumbv7* \
1247			| tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
1248			| tron \
1249			| ubicom32 \
1250			| v70 | v850 | v850e | v850e1 | v850es | v850e2 | v850e2v3 \
1251			| vax \
1252			| visium \
1253			| w65 \
1254			| wasm32 | wasm64 \
1255			| we32k \
1256			| x86 | x86_64 | xc16x | xgate | xps100 \
1257			| xstormy16 | xtensa* \
1258			| ymp \
1259			| z8k | z80)
1260				;;
1261
1262			*)
1263				echo Invalid configuration \`"$1"\': machine \`"$cpu-$vendor"\' not recognized 1>&2
1264				exit 1
1265				;;
1266		esac
1267		;;
1268esac
1269
1270# Here we canonicalize certain aliases for manufacturers.
1271case $vendor in
1272	digital*)
1273		vendor=dec
1274		;;
1275	commodore*)
1276		vendor=cbm
1277		;;
1278	*)
1279		;;
1280esac
1281
1282# Decode manufacturer-specific aliases for certain operating systems.
1283
1284if test x$basic_os != x
1285then
1286
1287# First recognize some ad-hoc caes, or perhaps split kernel-os, or else just
1288# set os.
1289case $basic_os in
1290	gnu/linux*)
1291		kernel=linux
1292		os=`echo $basic_os | sed -e 's|gnu/linux|gnu|'`
1293		;;
1294	os2-emx)
1295		kernel=os2
1296		os=`echo $basic_os | sed -e 's|os2-emx|emx|'`
1297		;;
1298	nto-qnx*)
1299		kernel=nto
1300		os=`echo $basic_os | sed -e 's|nto-qnx|qnx|'`
1301		;;
1302	*-*)
1303		# shellcheck disable=SC2162
1304		IFS="-" read kernel os <<EOF
1305$basic_os
1306EOF
1307		;;
1308	# Default OS when just kernel was specified
1309	nto*)
1310		kernel=nto
1311		os=`echo $basic_os | sed -e 's|nto|qnx|'`
1312		;;
1313	linux*)
1314		kernel=linux
1315		os=`echo $basic_os | sed -e 's|linux|gnu|'`
1316		;;
1317	*)
1318		kernel=
1319		os=$basic_os
1320		;;
1321esac
1322
1323# Now, normalize the OS (knowing we just have one component, it's not a kernel,
1324# etc.)
1325case $os in
1326	# First match some system type aliases that might get confused
1327	# with valid system types.
1328	# solaris* is a basic system type, with this one exception.
1329	auroraux)
1330		os=auroraux
1331		;;
1332	bluegene*)
1333		os=cnk
1334		;;
1335	solaris1 | solaris1.*)
1336		os=`echo $os | sed -e 's|solaris1|sunos4|'`
1337		;;
1338	solaris)
1339		os=solaris2
1340		;;
1341	unixware*)
1342		os=sysv4.2uw
1343		;;
1344	# es1800 is here to avoid being matched by es* (a different OS)
1345	es1800*)
1346		os=ose
1347		;;
1348	# Some version numbers need modification
1349	chorusos*)
1350		os=chorusos
1351		;;
1352	isc)
1353		os=isc2.2
1354		;;
1355	sco6)
1356		os=sco5v6
1357		;;
1358	sco5)
1359		os=sco3.2v5
1360		;;
1361	sco4)
1362		os=sco3.2v4
1363		;;
1364	sco3.2.[4-9]*)
1365		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
1366		;;
1367	sco*v* | scout)
1368		# Don't match below
1369		;;
1370	sco*)
1371		os=sco3.2v2
1372		;;
1373	psos*)
1374		os=psos
1375		;;
1376	qnx*)
1377		os=qnx
1378		;;
1379	hiux*)
1380		os=hiuxwe2
1381		;;
1382	lynx*178)
1383		os=lynxos178
1384		;;
1385	lynx*5)
1386		os=lynxos5
1387		;;
1388	lynxos*)
1389		# don't get caught up in next wildcard
1390		;;
1391	lynx*)
1392		os=lynxos
1393		;;
1394	mac[0-9]*)
1395		os=`echo "$os" | sed -e 's|mac|macos|'`
1396		;;
1397	opened*)
1398		os=openedition
1399		;;
1400	os400*)
1401		os=os400
1402		;;
1403	sunos5*)
1404		os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
1405		;;
1406	sunos6*)
1407		os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
1408		;;
1409	wince*)
1410		os=wince
1411		;;
1412	utek*)
1413		os=bsd
1414		;;
1415	dynix*)
1416		os=bsd
1417		;;
1418	acis*)
1419		os=aos
1420		;;
1421	atheos*)
1422		os=atheos
1423		;;
1424	syllable*)
1425		os=syllable
1426		;;
1427	386bsd)
1428		os=bsd
1429		;;
1430	ctix* | uts*)
1431		os=sysv
1432		;;
1433	nova*)
1434		os=rtmk-nova
1435		;;
1436	ns2)
1437		os=nextstep2
1438		;;
1439	# Preserve the version number of sinix5.
1440	sinix5.*)
1441		os=`echo $os | sed -e 's|sinix|sysv|'`
1442		;;
1443	sinix*)
1444		os=sysv4
1445		;;
1446	tpf*)
1447		os=tpf
1448		;;
1449	triton*)
1450		os=sysv3
1451		;;
1452	oss*)
1453		os=sysv3
1454		;;
1455	svr4*)
1456		os=sysv4
1457		;;
1458	svr3)
1459		os=sysv3
1460		;;
1461	sysvr4)
1462		os=sysv4
1463		;;
1464	ose*)
1465		os=ose
1466		;;
1467	*mint | mint[0-9]* | *MiNT | MiNT[0-9]*)
1468		os=mint
1469		;;
1470	dicos*)
1471		os=dicos
1472		;;
1473	pikeos*)
1474		# Until real need of OS specific support for
1475		# particular features comes up, bare metal
1476		# configurations are quite functional.
1477		case $cpu in
1478		    arm*)
1479			os=eabi
1480			;;
1481		    *)
1482			os=elf
1483			;;
1484		esac
1485		;;
1486	*)
1487		# No normalization, but not necessarily accepted, that comes below.
1488		;;
1489esac
1490
1491else
1492
1493# Here we handle the default operating systems that come with various machines.
1494# The value should be what the vendor currently ships out the door with their
1495# machine or put another way, the most popular os provided with the machine.
1496
1497# Note that if you're going to try to match "-MANUFACTURER" here (say,
1498# "-sun"), then you have to tell the case statement up towards the top
1499# that MANUFACTURER isn't an operating system.  Otherwise, code above
1500# will signal an error saying that MANUFACTURER isn't an operating
1501# system, and we'll never get to this point.
1502
1503kernel=
1504case $cpu-$vendor in
1505	score-*)
1506		os=elf
1507		;;
1508	spu-*)
1509		os=elf
1510		;;
1511	*-acorn)
1512		os=riscix1.2
1513		;;
1514	arm*-rebel)
1515		kernel=linux
1516		os=gnu
1517		;;
1518	arm*-semi)
1519		os=aout
1520		;;
1521	c4x-* | tic4x-*)
1522		os=coff
1523		;;
1524	c8051-*)
1525		os=elf
1526		;;
1527	clipper-intergraph)
1528		os=clix
1529		;;
1530	hexagon-*)
1531		os=elf
1532		;;
1533	tic54x-*)
1534		os=coff
1535		;;
1536	tic55x-*)
1537		os=coff
1538		;;
1539	tic6x-*)
1540		os=coff
1541		;;
1542	# This must come before the *-dec entry.
1543	pdp10-*)
1544		os=tops20
1545		;;
1546	pdp11-*)
1547		os=none
1548		;;
1549	*-dec | vax-*)
1550		os=ultrix4.2
1551		;;
1552	m68*-apollo)
1553		os=domain
1554		;;
1555	i386-sun)
1556		os=sunos4.0.2
1557		;;
1558	m68000-sun)
1559		os=sunos3
1560		;;
1561	m68*-cisco)
1562		os=aout
1563		;;
1564	mep-*)
1565		os=elf
1566		;;
1567	mips*-cisco)
1568		os=elf
1569		;;
1570	mips*-*)
1571		os=elf
1572		;;
1573	or32-*)
1574		os=coff
1575		;;
1576	*-tti)	# must be before sparc entry or we get the wrong os.
1577		os=sysv3
1578		;;
1579	sparc-* | *-sun)
1580		os=sunos4.1.1
1581		;;
1582	pru-*)
1583		os=elf
1584		;;
1585	*-be)
1586		os=beos
1587		;;
1588	*-ibm)
1589		os=aix
1590		;;
1591	*-knuth)
1592		os=mmixware
1593		;;
1594	*-wec)
1595		os=proelf
1596		;;
1597	*-winbond)
1598		os=proelf
1599		;;
1600	*-oki)
1601		os=proelf
1602		;;
1603	*-hp)
1604		os=hpux
1605		;;
1606	*-hitachi)
1607		os=hiux
1608		;;
1609	i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
1610		os=sysv
1611		;;
1612	*-cbm)
1613		os=amigaos
1614		;;
1615	*-dg)
1616		os=dgux
1617		;;
1618	*-dolphin)
1619		os=sysv3
1620		;;
1621	m68k-ccur)
1622		os=rtu
1623		;;
1624	m88k-omron*)
1625		os=luna
1626		;;
1627	*-next)
1628		os=nextstep
1629		;;
1630	*-sequent)
1631		os=ptx
1632		;;
1633	*-crds)
1634		os=unos
1635		;;
1636	*-ns)
1637		os=genix
1638		;;
1639	i370-*)
1640		os=mvs
1641		;;
1642	*-gould)
1643		os=sysv
1644		;;
1645	*-highlevel)
1646		os=bsd
1647		;;
1648	*-encore)
1649		os=bsd
1650		;;
1651	*-sgi)
1652		os=irix
1653		;;
1654	*-siemens)
1655		os=sysv4
1656		;;
1657	*-masscomp)
1658		os=rtu
1659		;;
1660	f30[01]-fujitsu | f700-fujitsu)
1661		os=uxpv
1662		;;
1663	*-rom68k)
1664		os=coff
1665		;;
1666	*-*bug)
1667		os=coff
1668		;;
1669	*-apple)
1670		os=macos
1671		;;
1672	*-atari*)
1673		os=mint
1674		;;
1675	*-wrs)
1676		os=vxworks
1677		;;
1678	*)
1679		os=none
1680		;;
1681esac
1682
1683fi
1684
1685# Now, validate our (potentially fixed-up) OS.
1686case $os in
1687	# Sometimes we do "kernel-libc", so those need to count as OSes.
1688	musl* | newlib* | uclibc*)
1689		;;
1690	# Likewise for "kernel-abi"
1691	eabi* | gnueabi*)
1692		;;
1693	# VxWorks passes extra cpu info in the 4th filed.
1694	simlinux | simwindows | spe)
1695		;;
1696	# Now accept the basic system types.
1697	# The portable systems comes first.
1698	# Each alternative MUST end in a * to match a version number.
1699	gnu* | android* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
1700	     | *vms* | esix* | aix* | cnk* | sunos | sunos[34]* \
1701	     | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
1702	     | sym* |  plan9* | psp* | sim* | xray* | os68k* | v88r* \
1703	     | hiux* | abug | nacl* | netware* | windows* \
1704	     | os9* | macos* | osx* | ios* \
1705	     | mpw* | magic* | mmixware* | mon960* | lnews* \
1706	     | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
1707	     | aos* | aros* | cloudabi* | sortix* | twizzler* \
1708	     | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
1709	     | clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
1710	     | mirbsd* | netbsd* | dicos* | openedition* | ose* \
1711	     | bitrig* | openbsd* | solidbsd* | libertybsd* | os108* \
1712	     | ekkobsd* | freebsd* | riscix* | lynxos* | os400* \
1713	     | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
1714	     | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
1715	     | udi* | lites* | ieee* | go32* | aux* | hcos* \
1716	     | chorusrdb* | cegcc* | glidix* | serenity* \
1717	     | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
1718	     | midipix* | mingw32* | mingw64* | mint* \
1719	     | uxpv* | beos* | mpeix* | udk* | moxiebox* \
1720	     | interix* | uwin* | mks* | rhapsody* | darwin* \
1721	     | openstep* | oskit* | conix* | pw32* | nonstopux* \
1722	     | storm-chaos* | tops10* | tenex* | tops20* | its* \
1723	     | os2* | vos* | palmos* | uclinux* | nucleus* | morphos* \
1724	     | scout* | superux* | sysv* | rtmk* | tpf* | windiss* \
1725	     | powermax* | dnix* | nx6 | nx7 | sei* | dragonfly* \
1726	     | skyos* | haiku* | rdos* | toppers* | drops* | es* \
1727	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
1728	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
1729	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx*)
1730		;;
1731	# This one is extra strict with allowed versions
1732	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
1733		# Don't forget version if it is 3.2v4 or newer.
1734		;;
1735	none)
1736		;;
1737	*)
1738		echo Invalid configuration \`"$1"\': OS \`"$os"\' not recognized 1>&2
1739		exit 1
1740		;;
1741esac
1742
1743# As a final step for OS-related things, validate the OS-kernel combination
1744# (given a valid OS), if there is a kernel.
1745case $kernel-$os in
1746	linux-gnu* | linux-dietlibc* | linux-android* | linux-newlib* | linux-musl* | linux-uclibc* )
1747		;;
1748	uclinux-uclibc* )
1749		;;
1750	-dietlibc* | -newlib* | -musl* | -uclibc* )
1751		# These are just libc implementations, not actual OSes, and thus
1752		# require a kernel.
1753		echo "Invalid configuration \`$1': libc \`$os' needs explicit kernel." 1>&2
1754		exit 1
1755		;;
1756	kfreebsd*-gnu* | kopensolaris*-gnu*)
1757		;;
1758	vxworks-simlinux | vxworks-simwindows | vxworks-spe)
1759		;;
1760	nto-qnx*)
1761		;;
1762	os2-emx)
1763		;;
1764	*-eabi* | *-gnueabi*)
1765		;;
1766	-*)
1767		# Blank kernel with real OS is always fine.
1768		;;
1769	*-*)
1770		echo "Invalid configuration \`$1': Kernel \`$kernel' not known to work with OS \`$os'." 1>&2
1771		exit 1
1772		;;
1773esac
1774
1775# Here we handle the case where we know the os, and the CPU type, but not the
1776# manufacturer.  We pick the logical manufacturer.
1777case $vendor in
1778	unknown)
1779		case $cpu-$os in
1780			*-riscix*)
1781				vendor=acorn
1782				;;
1783			*-sunos*)
1784				vendor=sun
1785				;;
1786			*-cnk* | *-aix*)
1787				vendor=ibm
1788				;;
1789			*-beos*)
1790				vendor=be
1791				;;
1792			*-hpux*)
1793				vendor=hp
1794				;;
1795			*-mpeix*)
1796				vendor=hp
1797				;;
1798			*-hiux*)
1799				vendor=hitachi
1800				;;
1801			*-unos*)
1802				vendor=crds
1803				;;
1804			*-dgux*)
1805				vendor=dg
1806				;;
1807			*-luna*)
1808				vendor=omron
1809				;;
1810			*-genix*)
1811				vendor=ns
1812				;;
1813			*-clix*)
1814				vendor=intergraph
1815				;;
1816			*-mvs* | *-opened*)
1817				vendor=ibm
1818				;;
1819			*-os400*)
1820				vendor=ibm
1821				;;
1822			s390-* | s390x-*)
1823				vendor=ibm
1824				;;
1825			*-ptx*)
1826				vendor=sequent
1827				;;
1828			*-tpf*)
1829				vendor=ibm
1830				;;
1831			*-vxsim* | *-vxworks* | *-windiss*)
1832				vendor=wrs
1833				;;
1834			*-aux*)
1835				vendor=apple
1836				;;
1837			*-hms*)
1838				vendor=hitachi
1839				;;
1840			*-mpw* | *-macos*)
1841				vendor=apple
1842				;;
1843			*-*mint | *-mint[0-9]* | *-*MiNT | *-MiNT[0-9]*)
1844				vendor=atari
1845				;;
1846			*-vos*)
1847				vendor=stratus
1848				;;
1849		esac
1850		;;
1851esac
1852
1853echo "$cpu-$vendor-${kernel:+$kernel-}$os"
1854exit
1855
1856# Local variables:
1857# eval: (add-hook 'before-save-hook 'time-stamp)
1858# time-stamp-start: "timestamp='"
1859# time-stamp-format: "%:y-%02m-%02d"
1860# time-stamp-end: "'"
1861# End:
1862