xref: /freebsd/contrib/ncurses/config.guess (revision 7937bfbc0ca53fe7cdd0d54414f9296e273a518e)
1#! /bin/sh
2# Attempt to guess a canonical system name.
3#   Copyright 1992-2023 Free Software Foundation, Inc.
4
5# shellcheck disable=SC2006,SC2268 # see below for rationale
6
7timestamp='2023-10-19'
8
9# This file is free software; you can redistribute it and/or modify it
10# under the terms of the GNU General Public License as published by
11# the Free Software Foundation, either version 3 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful, but
15# WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17# General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program; if not, see <https://www.gnu.org/licenses/>.
21#
22# As a special exception to the GNU General Public License, if you
23# distribute this file as part of a program that contains a
24# configuration script generated by Autoconf, you may include it under
25# the same distribution terms that you use for the rest of that
26# program.  This Exception is an additional permission under section 7
27# of the GNU General Public License, version 3 ("GPLv3").
28#
29# Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
30#
31# You can get the latest version of this script from:
32# https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
33#
34# Please send patches to <config-patches@gnu.org>.
35
36
37# The "shellcheck disable" line above the timestamp inhibits complaints
38# about features and limitations of the classic Bourne shell that were
39# superseded or lifted in POSIX.  However, this script identifies a wide
40# variety of pre-POSIX systems that do not have POSIX shells at all, and
41# even some reasonably current systems (Solaris 10 as case-in-point) still
42# have a pre-POSIX /bin/sh.
43
44
45me=`echo "$0" | sed -e 's,.*/,,'`
46
47usage="\
48Usage: $0 [OPTION]
49
50Output the configuration name of the system '$me' is run on.
51
52Options:
53  -h, --help         print this help, then exit
54  -t, --time-stamp   print date of last modification, then exit
55  -v, --version      print version number, then exit
56
57Report bugs and patches to <config-patches@gnu.org>."
58
59version="\
60GNU config.guess ($timestamp)
61
62Originally written by Per Bothner.
63Copyright 1992-2023 Free Software Foundation, Inc.
64
65This is free software; see the source for copying conditions.  There is NO
66warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
67
68help="
69Try '$me --help' for more information."
70
71# Parse command line
72while test $# -gt 0 ; do
73  case $1 in
74    --time-stamp | --time* | -t )
75       echo "$timestamp" ; exit ;;
76    --version | -v )
77       echo "$version" ; exit ;;
78    --help | --h* | -h )
79       echo "$usage"; exit ;;
80    -- )     # Stop option processing
81       shift; break ;;
82    - )	# Use stdin as input.
83       break ;;
84    -* )
85       echo "$me: invalid option $1$help" >&2
86       exit 1 ;;
87    * )
88       break ;;
89  esac
90done
91
92if test $# != 0; then
93  echo "$me: too many arguments$help" >&2
94  exit 1
95fi
96
97# Just in case it came from the environment.
98GUESS=
99
100# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
101# compiler to aid in system detection is discouraged as it requires
102# temporary files to be created and, as you can see below, it is a
103# headache to deal with in a portable fashion.
104
105# Historically, 'CC_FOR_BUILD' used to be named 'HOST_CC'. We still
106# use 'HOST_CC' if defined, but it is deprecated.
107
108# Portable tmp directory creation inspired by the Autoconf team.
109
110tmp=
111# shellcheck disable=SC2172
112trap 'test -z "$tmp" || rm -fr "$tmp"' 0 1 2 13 15
113
114set_cc_for_build() {
115    # prevent multiple calls if $tmp is already set
116    test "$tmp" && return 0
117    : "${TMPDIR=/tmp}"
118    # shellcheck disable=SC2039,SC3028
119    { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
120	{ test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir "$tmp" 2>/dev/null) ; } ||
121	{ tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir "$tmp" 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } ||
122	{ echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; }
123    dummy=$tmp/dummy
124    case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in
125	,,)    echo "int x;" > "$dummy.c"
126	       for driver in cc gcc c89 c99 ; do
127		   if ($driver -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
128		       CC_FOR_BUILD=$driver
129		       break
130		   fi
131	       done
132	       if test x"$CC_FOR_BUILD" = x ; then
133		   CC_FOR_BUILD=no_compiler_found
134	       fi
135	       ;;
136	,,*)   CC_FOR_BUILD=$CC ;;
137	,*,*)  CC_FOR_BUILD=$HOST_CC ;;
138    esac
139}
140
141# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
142# (ghazi@noc.rutgers.edu 1994-08-24)
143if test -f /.attbin/uname ; then
144	PATH=$PATH:/.attbin ; export PATH
145fi
146
147UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
148UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
149UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
150UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
151
152case $UNAME_SYSTEM in
153Linux|GNU|GNU/*)
154	LIBC=unknown
155
156	set_cc_for_build
157	cat <<-EOF > "$dummy.c"
158	#if defined(__ANDROID__)
159	LIBC=android
160	#else
161	#include <features.h>
162	#if defined(__UCLIBC__)
163	LIBC=uclibc
164	#elif defined(__dietlibc__)
165	LIBC=dietlibc
166	#elif defined(__GLIBC__)
167	LIBC=gnu
168	#elif defined(__LLVM_LIBC__)
169	LIBC=llvm
170	#else
171	#include <stdarg.h>
172	/* First heuristic to detect musl libc.  */
173	#ifdef __DEFINED_va_list
174	LIBC=musl
175	#endif
176	#endif
177	#endif
178	EOF
179	cc_set_libc=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`
180	eval "$cc_set_libc"
181
182	# Second heuristic to detect musl libc.
183	if [ "$LIBC" = unknown ] &&
184	   command -v ldd >/dev/null &&
185	   ldd --version 2>&1 | grep -q ^musl; then
186		LIBC=musl
187	fi
188
189	# If the system lacks a compiler, then just pick glibc.
190	# We could probably try harder.
191	if [ "$LIBC" = unknown ]; then
192		LIBC=gnu
193	fi
194	;;
195esac
196
197# Note: order is significant - the case branches are not exclusive.
198
199case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
200    *:NetBSD:*:*)
201	# NetBSD (nbsd) targets should (where applicable) match one or
202	# more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
203	# *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
204	# switched to ELF, *-*-netbsd* would select the old
205	# object file format.  This provides both forward
206	# compatibility and a consistent mechanism for selecting the
207	# object file format.
208	#
209	# Note: NetBSD doesn't particularly care about the vendor
210	# portion of the name.  We always set it to "unknown".
211	UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
212	    /sbin/sysctl -n hw.machine_arch 2>/dev/null || \
213	    /usr/sbin/sysctl -n hw.machine_arch 2>/dev/null || \
214	    echo unknown)`
215	case $UNAME_MACHINE_ARCH in
216	    aarch64eb) machine=aarch64_be-unknown ;;
217	    armeb) machine=armeb-unknown ;;
218	    arm*) machine=arm-unknown ;;
219	    sh3el) machine=shl-unknown ;;
220	    sh3eb) machine=sh-unknown ;;
221	    sh5el) machine=sh5le-unknown ;;
222	    earmv*)
223		arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,'`
224		endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p'`
225		machine=${arch}${endian}-unknown
226		;;
227	    *) machine=$UNAME_MACHINE_ARCH-unknown ;;
228	esac
229	# The Operating System including object format, if it has switched
230	# to ELF recently (or will in the future) and ABI.
231	case $UNAME_MACHINE_ARCH in
232	    earm*)
233		os=netbsdelf
234		;;
235	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
236		set_cc_for_build
237		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
238			| grep -q __ELF__
239		then
240		    # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
241		    # Return netbsd for either.  FIX?
242		    os=netbsd
243		else
244		    os=netbsdelf
245		fi
246		;;
247	    *)
248		os=netbsd
249		;;
250	esac
251	# Determine ABI tags.
252	case $UNAME_MACHINE_ARCH in
253	    earm*)
254		expr='s/^earmv[0-9]/-eabi/;s/eb$//'
255		abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
256		;;
257	esac
258	# The OS release
259	# Debian GNU/NetBSD machines have a different userland, and
260	# thus, need a distinct triplet. However, they do not need
261	# kernel version information, so it can be replaced with a
262	# suitable tag, in the style of linux-gnu.
263	case $UNAME_VERSION in
264	    Debian*)
265		release='-gnu'
266		;;
267	    *)
268		release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2`
269		;;
270	esac
271	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
272	# contains redundant information, the shorter form:
273	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
274	GUESS=$machine-${os}${release}${abi-}
275	;;
276    *:Bitrig:*:*)
277	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
278	GUESS=$UNAME_MACHINE_ARCH-unknown-bitrig$UNAME_RELEASE
279	;;
280    *:OpenBSD:*:*)
281	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
282	GUESS=$UNAME_MACHINE_ARCH-unknown-openbsd$UNAME_RELEASE
283	;;
284    *:SecBSD:*:*)
285	UNAME_MACHINE_ARCH=`arch | sed 's/SecBSD.//'`
286	GUESS=$UNAME_MACHINE_ARCH-unknown-secbsd$UNAME_RELEASE
287	;;
288    *:LibertyBSD:*:*)
289	UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
290	GUESS=$UNAME_MACHINE_ARCH-unknown-libertybsd$UNAME_RELEASE
291	;;
292    *:MidnightBSD:*:*)
293	GUESS=$UNAME_MACHINE-unknown-midnightbsd$UNAME_RELEASE
294	;;
295    *:ekkoBSD:*:*)
296	GUESS=$UNAME_MACHINE-unknown-ekkobsd$UNAME_RELEASE
297	;;
298    *:SolidBSD:*:*)
299	GUESS=$UNAME_MACHINE-unknown-solidbsd$UNAME_RELEASE
300	;;
301    *:OS108:*:*)
302	GUESS=$UNAME_MACHINE-unknown-os108_$UNAME_RELEASE
303	;;
304    macppc:MirBSD:*:*)
305	GUESS=powerpc-unknown-mirbsd$UNAME_RELEASE
306	;;
307    *:MirBSD:*:*)
308	GUESS=$UNAME_MACHINE-unknown-mirbsd$UNAME_RELEASE
309	;;
310    *:Sortix:*:*)
311	GUESS=$UNAME_MACHINE-unknown-sortix
312	;;
313    *:Twizzler:*:*)
314	GUESS=$UNAME_MACHINE-unknown-twizzler
315	;;
316    *:Redox:*:*)
317	GUESS=$UNAME_MACHINE-unknown-redox
318	;;
319    mips:OSF1:*.*)
320	GUESS=mips-dec-osf1
321	;;
322    alpha:OSF1:*:*)
323	# Reset EXIT trap before exiting to avoid spurious non-zero exit code.
324	trap '' 0
325	case $UNAME_RELEASE in
326	*4.0)
327		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
328		;;
329	*5.*)
330		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
331		;;
332	esac
333	# According to Compaq, /usr/sbin/psrinfo has been available on
334	# OSF/1 and Tru64 systems produced since 1995.  I hope that
335	# covers most systems running today.  This code pipes the CPU
336	# types through head -n 1, so we only detect the type of CPU 0.
337	ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
338	case $ALPHA_CPU_TYPE in
339	    "EV4 (21064)")
340		UNAME_MACHINE=alpha ;;
341	    "EV4.5 (21064)")
342		UNAME_MACHINE=alpha ;;
343	    "LCA4 (21066/21068)")
344		UNAME_MACHINE=alpha ;;
345	    "EV5 (21164)")
346		UNAME_MACHINE=alphaev5 ;;
347	    "EV5.6 (21164A)")
348		UNAME_MACHINE=alphaev56 ;;
349	    "EV5.6 (21164PC)")
350		UNAME_MACHINE=alphapca56 ;;
351	    "EV5.7 (21164PC)")
352		UNAME_MACHINE=alphapca57 ;;
353	    "EV6 (21264)")
354		UNAME_MACHINE=alphaev6 ;;
355	    "EV6.7 (21264A)")
356		UNAME_MACHINE=alphaev67 ;;
357	    "EV6.8CB (21264C)")
358		UNAME_MACHINE=alphaev68 ;;
359	    "EV6.8AL (21264B)")
360		UNAME_MACHINE=alphaev68 ;;
361	    "EV6.8CX (21264D)")
362		UNAME_MACHINE=alphaev68 ;;
363	    "EV6.9A (21264/EV69A)")
364		UNAME_MACHINE=alphaev69 ;;
365	    "EV7 (21364)")
366		UNAME_MACHINE=alphaev7 ;;
367	    "EV7.9 (21364A)")
368		UNAME_MACHINE=alphaev79 ;;
369	esac
370	# A Pn.n version is a patched version.
371	# A Vn.n version is a released version.
372	# A Tn.n version is a released field test version.
373	# A Xn.n version is an unreleased experimental baselevel.
374	# 1.2 uses "1.2" for uname -r.
375	OSF_REL=`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
376	GUESS=$UNAME_MACHINE-dec-osf$OSF_REL
377	;;
378    Amiga*:UNIX_System_V:4.0:*)
379	GUESS=m68k-unknown-sysv4
380	;;
381    *:[Aa]miga[Oo][Ss]:*:*)
382	GUESS=$UNAME_MACHINE-unknown-amigaos
383	;;
384    *:[Mm]orph[Oo][Ss]:*:*)
385	GUESS=$UNAME_MACHINE-unknown-morphos
386	;;
387    *:OS/390:*:*)
388	GUESS=i370-ibm-openedition
389	;;
390    *:z/VM:*:*)
391	GUESS=s390-ibm-zvmoe
392	;;
393    *:OS400:*:*)
394	GUESS=powerpc-ibm-os400
395	;;
396    arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
397	GUESS=arm-acorn-riscix$UNAME_RELEASE
398	;;
399    arm*:riscos:*:*|arm*:RISCOS:*:*)
400	GUESS=arm-unknown-riscos
401	;;
402    SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
403	GUESS=hppa1.1-hitachi-hiuxmpp
404	;;
405    Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
406	# akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
407	case `(/bin/universe) 2>/dev/null` in
408	    att) GUESS=pyramid-pyramid-sysv3 ;;
409	    *)   GUESS=pyramid-pyramid-bsd   ;;
410	esac
411	;;
412    NILE*:*:*:dcosx)
413	GUESS=pyramid-pyramid-svr4
414	;;
415    DRS?6000:unix:4.0:6*)
416	GUESS=sparc-icl-nx6
417	;;
418    DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
419	case `/usr/bin/uname -p` in
420	    sparc) GUESS=sparc-icl-nx7 ;;
421	esac
422	;;
423    s390x:SunOS:*:*)
424	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
425	GUESS=$UNAME_MACHINE-ibm-solaris2$SUN_REL
426	;;
427    sun4H:SunOS:5.*:*)
428	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
429	GUESS=sparc-hal-solaris2$SUN_REL
430	;;
431    sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
432	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
433	GUESS=sparc-sun-solaris2$SUN_REL
434	;;
435    i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
436	GUESS=i386-pc-auroraux$UNAME_RELEASE
437	;;
438    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
439	set_cc_for_build
440	SUN_ARCH=i386
441	# If there is a compiler, see if it is configured for 64-bit objects.
442	# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
443	# This test works for both compilers.
444	if test "$CC_FOR_BUILD" != no_compiler_found; then
445	    if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
446		(CCOPTS="" $CC_FOR_BUILD -m64 -E - 2>/dev/null) | \
447		grep IS_64BIT_ARCH >/dev/null
448	    then
449		SUN_ARCH=x86_64
450	    fi
451	fi
452	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
453	GUESS=$SUN_ARCH-pc-solaris2$SUN_REL
454	;;
455    sun4*:SunOS:6*:*)
456	# According to config.sub, this is the proper way to canonicalize
457	# SunOS6.  Hard to guess exactly what SunOS6 will be like, but
458	# it's likely to be more like Solaris than SunOS4.
459	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
460	GUESS=sparc-sun-solaris3$SUN_REL
461	;;
462    sun4*:SunOS:*:*)
463	case `/usr/bin/arch -k` in
464	    Series*|S4*)
465		UNAME_RELEASE=`uname -v`
466		;;
467	esac
468	# Japanese Language versions have a version number like '4.1.3-JL'.
469	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/-/_/'`
470	GUESS=sparc-sun-sunos$SUN_REL
471	;;
472    sun3*:SunOS:*:*)
473	GUESS=m68k-sun-sunos$UNAME_RELEASE
474	;;
475    sun*:*:4.2BSD:*)
476	UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
477	test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3
478	case `/bin/arch` in
479	    sun3)
480		GUESS=m68k-sun-sunos$UNAME_RELEASE
481		;;
482	    sun4)
483		GUESS=sparc-sun-sunos$UNAME_RELEASE
484		;;
485	esac
486	;;
487    aushp:SunOS:*:*)
488	GUESS=sparc-auspex-sunos$UNAME_RELEASE
489	;;
490    # The situation for MiNT is a little confusing.  The machine name
491    # can be virtually everything (everything which is not
492    # "atarist" or "atariste" at least should have a processor
493    # > m68000).  The system name ranges from "MiNT" over "FreeMiNT"
494    # to the lowercase version "mint" (or "freemint").  Finally
495    # the system name "TOS" denotes a system which is actually not
496    # MiNT.  But MiNT is downward compatible to TOS, so this should
497    # be no problem.
498    atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
499	GUESS=m68k-atari-mint$UNAME_RELEASE
500	;;
501    atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
502	GUESS=m68k-atari-mint$UNAME_RELEASE
503	;;
504    *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
505	GUESS=m68k-atari-mint$UNAME_RELEASE
506	;;
507    milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
508	GUESS=m68k-milan-mint$UNAME_RELEASE
509	;;
510    hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
511	GUESS=m68k-hades-mint$UNAME_RELEASE
512	;;
513    *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
514	GUESS=m68k-unknown-mint$UNAME_RELEASE
515	;;
516    m68k:machten:*:*)
517	GUESS=m68k-apple-machten$UNAME_RELEASE
518	;;
519    powerpc:machten:*:*)
520	GUESS=powerpc-apple-machten$UNAME_RELEASE
521	;;
522    RISC*:Mach:*:*)
523	GUESS=mips-dec-mach_bsd4.3
524	;;
525    RISC*:ULTRIX:*:*)
526	GUESS=mips-dec-ultrix$UNAME_RELEASE
527	;;
528    VAX*:ULTRIX*:*:*)
529	GUESS=vax-dec-ultrix$UNAME_RELEASE
530	;;
531    2020:CLIX:*:* | 2430:CLIX:*:*)
532	GUESS=clipper-intergraph-clix$UNAME_RELEASE
533	;;
534    mips:*:*:UMIPS | mips:*:*:RISCos)
535	set_cc_for_build
536	sed 's/^	//' << EOF > "$dummy.c"
537#ifdef __cplusplus
538#include <stdio.h>  /* for printf() prototype */
539	int main (int argc, char *argv[]) {
540#else
541	int main (argc, argv) int argc; char *argv[]; {
542#endif
543	#if defined (host_mips) && defined (MIPSEB)
544	#if defined (SYSTYPE_SYSV)
545	  printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0);
546	#endif
547	#if defined (SYSTYPE_SVR4)
548	  printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0);
549	#endif
550	#if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
551	  printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0);
552	#endif
553	#endif
554	  exit (-1);
555	}
556EOF
557	$CC_FOR_BUILD -o "$dummy" "$dummy.c" &&
558	  dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` &&
559	  SYSTEM_NAME=`"$dummy" "$dummyarg"` &&
560	    { echo "$SYSTEM_NAME"; exit; }
561	GUESS=mips-mips-riscos$UNAME_RELEASE
562	;;
563    Motorola:PowerMAX_OS:*:*)
564	GUESS=powerpc-motorola-powermax
565	;;
566    Motorola:*:4.3:PL8-*)
567	GUESS=powerpc-harris-powermax
568	;;
569    Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
570	GUESS=powerpc-harris-powermax
571	;;
572    Night_Hawk:Power_UNIX:*:*)
573	GUESS=powerpc-harris-powerunix
574	;;
575    m88k:CX/UX:7*:*)
576	GUESS=m88k-harris-cxux7
577	;;
578    m88k:*:4*:R4*)
579	GUESS=m88k-motorola-sysv4
580	;;
581    m88k:*:3*:R3*)
582	GUESS=m88k-motorola-sysv3
583	;;
584    AViiON:dgux:*:*)
585	# DG/UX returns AViiON for all architectures
586	UNAME_PROCESSOR=`/usr/bin/uname -p`
587	if test "$UNAME_PROCESSOR" = mc88100 || test "$UNAME_PROCESSOR" = mc88110
588	then
589	    if test "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx || \
590	       test "$TARGET_BINARY_INTERFACE"x = x
591	    then
592		GUESS=m88k-dg-dgux$UNAME_RELEASE
593	    else
594		GUESS=m88k-dg-dguxbcs$UNAME_RELEASE
595	    fi
596	else
597	    GUESS=i586-dg-dgux$UNAME_RELEASE
598	fi
599	;;
600    M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
601	GUESS=m88k-dolphin-sysv3
602	;;
603    M88*:*:R3*:*)
604	# Delta 88k system running SVR3
605	GUESS=m88k-motorola-sysv3
606	;;
607    XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
608	GUESS=m88k-tektronix-sysv3
609	;;
610    Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
611	GUESS=m68k-tektronix-bsd
612	;;
613    *:IRIX*:*:*)
614	IRIX_REL=`echo "$UNAME_RELEASE" | sed -e 's/-/_/g'`
615	GUESS=mips-sgi-irix$IRIX_REL
616	;;
617    ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
618	GUESS=romp-ibm-aix    # uname -m gives an 8 hex-code CPU id
619	;;                    # Note that: echo "'`uname -s`'" gives 'AIX '
620    i*86:AIX:*:*)
621	GUESS=i386-ibm-aix
622	;;
623    ia64:AIX:*:*)
624	if test -x /usr/bin/oslevel ; then
625		IBM_REV=`/usr/bin/oslevel`
626	else
627		IBM_REV=$UNAME_VERSION.$UNAME_RELEASE
628	fi
629	GUESS=$UNAME_MACHINE-ibm-aix$IBM_REV
630	;;
631    *:AIX:2:3)
632	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
633		set_cc_for_build
634		sed 's/^		//' << EOF > "$dummy.c"
635		#include <sys/systemcfg.h>
636
637		main()
638			{
639			if (!__power_pc())
640				exit(1);
641			puts("powerpc-ibm-aix3.2.5");
642			exit(0);
643			}
644EOF
645		if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"`
646		then
647			GUESS=$SYSTEM_NAME
648		else
649			GUESS=rs6000-ibm-aix3.2.5
650		fi
651	elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
652		GUESS=rs6000-ibm-aix3.2.4
653	else
654		GUESS=rs6000-ibm-aix3.2
655	fi
656	;;
657    *:AIX:*:[4567])
658	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
659	if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then
660		IBM_ARCH=rs6000
661	else
662		IBM_ARCH=powerpc
663	fi
664	if test -x /usr/bin/lslpp ; then
665		IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | \
666			   awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
667	else
668		IBM_REV=$UNAME_VERSION.$UNAME_RELEASE
669	fi
670	GUESS=$IBM_ARCH-ibm-aix$IBM_REV
671	;;
672    *:AIX:*:*)
673	GUESS=rs6000-ibm-aix
674	;;
675    ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*)
676	GUESS=romp-ibm-bsd4.4
677	;;
678    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
679	GUESS=romp-ibm-bsd$UNAME_RELEASE    # 4.3 with uname added to
680	;;                                  # report: romp-ibm BSD 4.3
681    *:BOSX:*:*)
682	GUESS=rs6000-bull-bosx
683	;;
684    DPX/2?00:B.O.S.:*:*)
685	GUESS=m68k-bull-sysv3
686	;;
687    9000/[34]??:4.3bsd:1.*:*)
688	GUESS=m68k-hp-bsd
689	;;
690    hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
691	GUESS=m68k-hp-bsd4.4
692	;;
693    9000/[34678]??:HP-UX:*:*)
694	HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'`
695	case $UNAME_MACHINE in
696	    9000/31?)            HP_ARCH=m68000 ;;
697	    9000/[34]??)         HP_ARCH=m68k ;;
698	    9000/[678][0-9][0-9])
699		if test -x /usr/bin/getconf; then
700		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
701		    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
702		    case $sc_cpu_version in
703		      523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
704		      528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
705		      532)                      # CPU_PA_RISC2_0
706			case $sc_kernel_bits in
707			  32) HP_ARCH=hppa2.0n ;;
708			  64) HP_ARCH=hppa2.0w ;;
709			  '') HP_ARCH=hppa2.0 ;;   # HP-UX 10.20
710			esac ;;
711		    esac
712		fi
713		if test "$HP_ARCH" = ""; then
714		    set_cc_for_build
715		    sed 's/^		//' << EOF > "$dummy.c"
716
717		#define _HPUX_SOURCE
718		#include <stdlib.h>
719		#include <unistd.h>
720
721		int main ()
722		{
723		#if defined(_SC_KERNEL_BITS)
724		    long bits = sysconf(_SC_KERNEL_BITS);
725		#endif
726		    long cpu  = sysconf (_SC_CPU_VERSION);
727
728		    switch (cpu)
729			{
730			case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
731			case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
732			case CPU_PA_RISC2_0:
733		#if defined(_SC_KERNEL_BITS)
734			    switch (bits)
735				{
736				case 64: puts ("hppa2.0w"); break;
737				case 32: puts ("hppa2.0n"); break;
738				default: puts ("hppa2.0"); break;
739				} break;
740		#else  /* !defined(_SC_KERNEL_BITS) */
741			    puts ("hppa2.0"); break;
742		#endif
743			default: puts ("hppa1.0"); break;
744			}
745		    exit (0);
746		}
747EOF
748		    (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"`
749		    test -z "$HP_ARCH" && HP_ARCH=hppa
750		fi ;;
751	esac
752	if test "$HP_ARCH" = hppa2.0w
753	then
754	    set_cc_for_build
755
756	    # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
757	    # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
758	    # generating 64-bit code.  GNU and HP use different nomenclature:
759	    #
760	    # $ CC_FOR_BUILD=cc ./config.guess
761	    # => hppa2.0w-hp-hpux11.23
762	    # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
763	    # => hppa64-hp-hpux11.23
764
765	    if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) |
766		grep -q __LP64__
767	    then
768		HP_ARCH=hppa2.0w
769	    else
770		HP_ARCH=hppa64
771	    fi
772	fi
773	GUESS=$HP_ARCH-hp-hpux$HPUX_REV
774	;;
775    ia64:HP-UX:*:*)
776	HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'`
777	GUESS=ia64-hp-hpux$HPUX_REV
778	;;
779    3050*:HI-UX:*:*)
780	set_cc_for_build
781	sed 's/^	//' << EOF > "$dummy.c"
782	#include <unistd.h>
783	int
784	main ()
785	{
786	  long cpu = sysconf (_SC_CPU_VERSION);
787	  /* The order matters, because CPU_IS_HP_MC68K erroneously returns
788	     true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
789	     results, however.  */
790	  if (CPU_IS_PA_RISC (cpu))
791	    {
792	      switch (cpu)
793		{
794		  case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
795		  case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
796		  case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
797		  default: puts ("hppa-hitachi-hiuxwe2"); break;
798		}
799	    }
800	  else if (CPU_IS_HP_MC68K (cpu))
801	    puts ("m68k-hitachi-hiuxwe2");
802	  else puts ("unknown-hitachi-hiuxwe2");
803	  exit (0);
804	}
805EOF
806	$CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` &&
807		{ echo "$SYSTEM_NAME"; exit; }
808	GUESS=unknown-hitachi-hiuxwe2
809	;;
810    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*)
811	GUESS=hppa1.1-hp-bsd
812	;;
813    9000/8??:4.3bsd:*:*)
814	GUESS=hppa1.0-hp-bsd
815	;;
816    *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
817	GUESS=hppa1.0-hp-mpeix
818	;;
819    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*)
820	GUESS=hppa1.1-hp-osf
821	;;
822    hp8??:OSF1:*:*)
823	GUESS=hppa1.0-hp-osf
824	;;
825    i*86:OSF1:*:*)
826	if test -x /usr/sbin/sysversion ; then
827	    GUESS=$UNAME_MACHINE-unknown-osf1mk
828	else
829	    GUESS=$UNAME_MACHINE-unknown-osf1
830	fi
831	;;
832    parisc*:Lites*:*:*)
833	GUESS=hppa1.1-hp-lites
834	;;
835    C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
836	GUESS=c1-convex-bsd
837	;;
838    C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
839	if getsysinfo -f scalar_acc
840	then echo c32-convex-bsd
841	else echo c2-convex-bsd
842	fi
843	exit ;;
844    C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
845	GUESS=c34-convex-bsd
846	;;
847    C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
848	GUESS=c38-convex-bsd
849	;;
850    C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
851	GUESS=c4-convex-bsd
852	;;
853    CRAY*Y-MP:*:*:*)
854	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
855	GUESS=ymp-cray-unicos$CRAY_REL
856	;;
857    CRAY*[A-Z]90:*:*:*)
858	echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \
859	| sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
860	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
861	      -e 's/\.[^.]*$/.X/'
862	exit ;;
863    CRAY*TS:*:*:*)
864	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
865	GUESS=t90-cray-unicos$CRAY_REL
866	;;
867    CRAY*T3E:*:*:*)
868	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
869	GUESS=alphaev5-cray-unicosmk$CRAY_REL
870	;;
871    CRAY*SV1:*:*:*)
872	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
873	GUESS=sv1-cray-unicos$CRAY_REL
874	;;
875    *:UNICOS/mp:*:*)
876	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
877	GUESS=craynv-cray-unicosmp$CRAY_REL
878	;;
879    F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
880	FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
881	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
882	FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'`
883	GUESS=${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}
884	;;
885    5000:UNIX_System_V:4.*:*)
886	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
887	FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
888	GUESS=sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}
889	;;
890    i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
891	GUESS=$UNAME_MACHINE-pc-bsdi$UNAME_RELEASE
892	;;
893    sparc*:BSD/OS:*:*)
894	GUESS=sparc-unknown-bsdi$UNAME_RELEASE
895	;;
896    *:BSD/OS:*:*)
897	GUESS=$UNAME_MACHINE-unknown-bsdi$UNAME_RELEASE
898	;;
899    arm:FreeBSD:*:*)
900	UNAME_PROCESSOR=`uname -p`
901	set_cc_for_build
902	if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
903	    | grep -q __ARM_PCS_VFP
904	then
905	    FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
906	    GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabi
907	else
908	    FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
909	    GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabihf
910	fi
911	;;
912    *:FreeBSD:*:*)
913	UNAME_PROCESSOR=`uname -p`
914	case $UNAME_PROCESSOR in
915	    amd64)
916		UNAME_PROCESSOR=x86_64 ;;
917	    i386)
918		UNAME_PROCESSOR=i586 ;;
919	esac
920	FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
921	GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL
922	;;
923    i*:CYGWIN*:*)
924	GUESS=$UNAME_MACHINE-pc-cygwin
925	;;
926    *:MINGW64*:*)
927	GUESS=$UNAME_MACHINE-pc-mingw64
928	;;
929    *:MINGW*:*)
930	GUESS=$UNAME_MACHINE-pc-mingw32
931	;;
932    *:MSYS*:*)
933	GUESS=$UNAME_MACHINE-pc-msys
934	;;
935    i*:PW*:*)
936	GUESS=$UNAME_MACHINE-pc-pw32
937	;;
938    *:SerenityOS:*:*)
939        GUESS=$UNAME_MACHINE-pc-serenity
940        ;;
941    *:Interix*:*)
942	case $UNAME_MACHINE in
943	    x86)
944		GUESS=i586-pc-interix$UNAME_RELEASE
945		;;
946	    authenticamd | genuineintel | EM64T)
947		GUESS=x86_64-unknown-interix$UNAME_RELEASE
948		;;
949	    IA64)
950		GUESS=ia64-unknown-interix$UNAME_RELEASE
951		;;
952	esac ;;
953    i*:UWIN*:*)
954	GUESS=$UNAME_MACHINE-pc-uwin
955	;;
956    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
957	GUESS=x86_64-pc-cygwin
958	;;
959    prep*:SunOS:5.*:*)
960	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
961	GUESS=powerpcle-unknown-solaris2$SUN_REL
962	;;
963    *:GNU:*:*)
964	# the GNU system
965	GNU_ARCH=`echo "$UNAME_MACHINE" | sed -e 's,[-/].*$,,'`
966	GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's,/.*$,,'`
967	GUESS=$GNU_ARCH-unknown-$LIBC$GNU_REL
968	;;
969    *:GNU/*:*:*)
970	# other systems with GNU libc and userland
971	GNU_SYS=`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"`
972	GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
973	GUESS=$UNAME_MACHINE-unknown-$GNU_SYS$GNU_REL-$LIBC
974	;;
975    x86_64:[Mm]anagarm:*:*|i?86:[Mm]anagarm:*:*)
976	GUESS="$UNAME_MACHINE-pc-managarm-mlibc"
977	;;
978    *:[Mm]anagarm:*:*)
979	GUESS="$UNAME_MACHINE-unknown-managarm-mlibc"
980	;;
981    *:Minix:*:*)
982	GUESS=$UNAME_MACHINE-unknown-minix
983	;;
984    aarch64:Linux:*:*)
985	set_cc_for_build
986	CPU=$UNAME_MACHINE
987	LIBCABI=$LIBC
988	if test "$CC_FOR_BUILD" != no_compiler_found; then
989	    ABI=64
990	    sed 's/^	    //' << EOF > "$dummy.c"
991	    #ifdef __ARM_EABI__
992	    #ifdef __ARM_PCS_VFP
993	    ABI=eabihf
994	    #else
995	    ABI=eabi
996	    #endif
997	    #endif
998EOF
999	    cc_set_abi=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^ABI' | sed 's, ,,g'`
1000	    eval "$cc_set_abi"
1001	    case $ABI in
1002		eabi | eabihf) CPU=armv8l; LIBCABI=$LIBC$ABI ;;
1003	    esac
1004	fi
1005	GUESS=$CPU-unknown-linux-$LIBCABI
1006	;;
1007    aarch64_be:Linux:*:*)
1008	UNAME_MACHINE=aarch64_be
1009	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1010	;;
1011    alpha:Linux:*:*)
1012	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in
1013	  EV5)   UNAME_MACHINE=alphaev5 ;;
1014	  EV56)  UNAME_MACHINE=alphaev56 ;;
1015	  PCA56) UNAME_MACHINE=alphapca56 ;;
1016	  PCA57) UNAME_MACHINE=alphapca56 ;;
1017	  EV6)   UNAME_MACHINE=alphaev6 ;;
1018	  EV67)  UNAME_MACHINE=alphaev67 ;;
1019	  EV68*) UNAME_MACHINE=alphaev68 ;;
1020	esac
1021	objdump --private-headers /bin/sh | grep -q ld.so.1
1022	if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
1023	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1024	;;
1025    arc:Linux:*:* | arceb:Linux:*:* | arc32:Linux:*:* | arc64:Linux:*:*)
1026	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1027	;;
1028    arm*:Linux:*:*)
1029	set_cc_for_build
1030	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
1031	    | grep -q __ARM_EABI__
1032	then
1033	    GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1034	else
1035	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
1036		| grep -q __ARM_PCS_VFP
1037	    then
1038		GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabi
1039	    else
1040		GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabihf
1041	    fi
1042	fi
1043	;;
1044    avr32*:Linux:*:*)
1045	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1046	;;
1047    cris:Linux:*:*)
1048	GUESS=$UNAME_MACHINE-axis-linux-$LIBC
1049	;;
1050    crisv32:Linux:*:*)
1051	GUESS=$UNAME_MACHINE-axis-linux-$LIBC
1052	;;
1053    e2k:Linux:*:*)
1054	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1055	;;
1056    frv:Linux:*:*)
1057	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1058	;;
1059    hexagon:Linux:*:*)
1060	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1061	;;
1062    i*86:Linux:*:*)
1063	GUESS=$UNAME_MACHINE-pc-linux-$LIBC
1064	;;
1065    ia64:Linux:*:*)
1066	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1067	;;
1068    k1om:Linux:*:*)
1069	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1070	;;
1071    kvx:Linux:*:*)
1072	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1073	;;
1074    kvx:cos:*:*)
1075	GUESS=$UNAME_MACHINE-unknown-cos
1076	;;
1077    kvx:mbr:*:*)
1078	GUESS=$UNAME_MACHINE-unknown-mbr
1079	;;
1080    loongarch32:Linux:*:* | loongarch64:Linux:*:*)
1081	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1082	;;
1083    m32r*:Linux:*:*)
1084	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1085	;;
1086    m68*:Linux:*:*)
1087	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1088	;;
1089    mips:Linux:*:* | mips64:Linux:*:*)
1090	set_cc_for_build
1091	IS_GLIBC=0
1092	test x"${LIBC}" = xgnu && IS_GLIBC=1
1093	sed 's/^	//' << EOF > "$dummy.c"
1094	#undef CPU
1095	#undef mips
1096	#undef mipsel
1097	#undef mips64
1098	#undef mips64el
1099	#if ${IS_GLIBC} && defined(_ABI64)
1100	LIBCABI=gnuabi64
1101	#else
1102	#if ${IS_GLIBC} && defined(_ABIN32)
1103	LIBCABI=gnuabin32
1104	#else
1105	LIBCABI=${LIBC}
1106	#endif
1107	#endif
1108
1109	#if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
1110	CPU=mipsisa64r6
1111	#else
1112	#if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
1113	CPU=mipsisa32r6
1114	#else
1115	#if defined(__mips64)
1116	CPU=mips64
1117	#else
1118	CPU=mips
1119	#endif
1120	#endif
1121	#endif
1122
1123	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
1124	MIPS_ENDIAN=el
1125	#else
1126	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
1127	MIPS_ENDIAN=
1128	#else
1129	MIPS_ENDIAN=
1130	#endif
1131	#endif
1132EOF
1133	cc_set_vars=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI'`
1134	eval "$cc_set_vars"
1135	test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; }
1136	;;
1137    mips64el:Linux:*:*)
1138	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1139	;;
1140    openrisc*:Linux:*:*)
1141	GUESS=or1k-unknown-linux-$LIBC
1142	;;
1143    or32:Linux:*:* | or1k*:Linux:*:*)
1144	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1145	;;
1146    padre:Linux:*:*)
1147	GUESS=sparc-unknown-linux-$LIBC
1148	;;
1149    parisc64:Linux:*:* | hppa64:Linux:*:*)
1150	GUESS=hppa64-unknown-linux-$LIBC
1151	;;
1152    parisc:Linux:*:* | hppa:Linux:*:*)
1153	# Look for CPU level
1154	case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
1155	  PA7*) GUESS=hppa1.1-unknown-linux-$LIBC ;;
1156	  PA8*) GUESS=hppa2.0-unknown-linux-$LIBC ;;
1157	  *)    GUESS=hppa-unknown-linux-$LIBC ;;
1158	esac
1159	;;
1160    ppc64:Linux:*:*)
1161	GUESS=powerpc64-unknown-linux-$LIBC
1162	;;
1163    ppc:Linux:*:*)
1164	GUESS=powerpc-unknown-linux-$LIBC
1165	;;
1166    ppc64le:Linux:*:*)
1167	GUESS=powerpc64le-unknown-linux-$LIBC
1168	;;
1169    ppcle:Linux:*:*)
1170	GUESS=powerpcle-unknown-linux-$LIBC
1171	;;
1172    riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*)
1173	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1174	;;
1175    s390:Linux:*:* | s390x:Linux:*:*)
1176	GUESS=$UNAME_MACHINE-ibm-linux-$LIBC
1177	;;
1178    sh64*:Linux:*:*)
1179	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1180	;;
1181    sh*:Linux:*:*)
1182	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1183	;;
1184    sparc:Linux:*:* | sparc64:Linux:*:*)
1185	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1186	;;
1187    tile*:Linux:*:*)
1188	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1189	;;
1190    vax:Linux:*:*)
1191	GUESS=$UNAME_MACHINE-dec-linux-$LIBC
1192	;;
1193    x86_64:Linux:*:*)
1194	set_cc_for_build
1195	CPU=$UNAME_MACHINE
1196	LIBCABI=$LIBC
1197	if test "$CC_FOR_BUILD" != no_compiler_found; then
1198	    ABI=64
1199	    sed 's/^	    //' << EOF > "$dummy.c"
1200	    #ifdef __i386__
1201	    ABI=x86
1202	    #else
1203	    #ifdef __ILP32__
1204	    ABI=x32
1205	    #endif
1206	    #endif
1207EOF
1208	    cc_set_abi=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^ABI' | sed 's, ,,g'`
1209	    eval "$cc_set_abi"
1210	    case $ABI in
1211		x86) CPU=i686 ;;
1212		x32) LIBCABI=${LIBC}x32 ;;
1213	    esac
1214	fi
1215	GUESS=$CPU-pc-linux-$LIBCABI
1216	;;
1217    xtensa*:Linux:*:*)
1218	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1219	;;
1220    i*86:DYNIX/ptx:4*:*)
1221	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
1222	# earlier versions are messed up and put the nodename in both
1223	# sysname and nodename.
1224	GUESS=i386-sequent-sysv4
1225	;;
1226    i*86:UNIX_SV:4.2MP:2.*)
1227	# Unixware is an offshoot of SVR4, but it has its own version
1228	# number series starting with 2...
1229	# I am not positive that other SVR4 systems won't match this,
1230	# I just have to hope.  -- rms.
1231	# Use sysv4.2uw... so that sysv4* matches it.
1232	GUESS=$UNAME_MACHINE-pc-sysv4.2uw$UNAME_VERSION
1233	;;
1234    i*86:OS/2:*:*)
1235	# If we were able to find 'uname', then EMX Unix compatibility
1236	# is probably installed.
1237	GUESS=$UNAME_MACHINE-pc-os2-emx
1238	;;
1239    i*86:XTS-300:*:STOP)
1240	GUESS=$UNAME_MACHINE-unknown-stop
1241	;;
1242    i*86:atheos:*:*)
1243	GUESS=$UNAME_MACHINE-unknown-atheos
1244	;;
1245    i*86:syllable:*:*)
1246	GUESS=$UNAME_MACHINE-pc-syllable
1247	;;
1248    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
1249	GUESS=i386-unknown-lynxos$UNAME_RELEASE
1250	;;
1251    i*86:*DOS:*:*)
1252	GUESS=$UNAME_MACHINE-pc-msdosdjgpp
1253	;;
1254    i*86:*:4.*:*)
1255	UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'`
1256	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
1257		GUESS=$UNAME_MACHINE-univel-sysv$UNAME_REL
1258	else
1259		GUESS=$UNAME_MACHINE-pc-sysv$UNAME_REL
1260	fi
1261	;;
1262    i*86:*:5:[678]*)
1263	# UnixWare 7.x, OpenUNIX and OpenServer 6.
1264	case `/bin/uname -X | grep "^Machine"` in
1265	    *486*)	     UNAME_MACHINE=i486 ;;
1266	    *Pentium)	     UNAME_MACHINE=i586 ;;
1267	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
1268	esac
1269	GUESS=$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
1270	;;
1271    i*86:*:3.2:*)
1272	if test -f /usr/options/cb.name; then
1273		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
1274		GUESS=$UNAME_MACHINE-pc-isc$UNAME_REL
1275	elif /bin/uname -X 2>/dev/null >/dev/null ; then
1276		UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
1277		(/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
1278		(/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
1279			&& UNAME_MACHINE=i586
1280		(/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
1281			&& UNAME_MACHINE=i686
1282		(/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
1283			&& UNAME_MACHINE=i686
1284		GUESS=$UNAME_MACHINE-pc-sco$UNAME_REL
1285	else
1286		GUESS=$UNAME_MACHINE-pc-sysv32
1287	fi
1288	;;
1289    pc:*:*:*)
1290	# Left here for compatibility:
1291	# uname -m prints for DJGPP always 'pc', but it prints nothing about
1292	# the processor, so we play safe by assuming i586.
1293	# Note: whatever this is, it MUST be the same as what config.sub
1294	# prints for the "djgpp" host, or else GDB configure will decide that
1295	# this is a cross-build.
1296	GUESS=i586-pc-msdosdjgpp
1297	;;
1298    Intel:Mach:3*:*)
1299	GUESS=i386-pc-mach3
1300	;;
1301    paragon:*:*:*)
1302	GUESS=i860-intel-osf1
1303	;;
1304    i860:*:4.*:*) # i860-SVR4
1305	if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
1306	  GUESS=i860-stardent-sysv$UNAME_RELEASE    # Stardent Vistra i860-SVR4
1307	else # Add other i860-SVR4 vendors below as they are discovered.
1308	  GUESS=i860-unknown-sysv$UNAME_RELEASE     # Unknown i860-SVR4
1309	fi
1310	;;
1311    mini*:CTIX:SYS*5:*)
1312	# "miniframe"
1313	GUESS=m68010-convergent-sysv
1314	;;
1315    mc68k:UNIX:SYSTEM5:3.51m)
1316	GUESS=m68k-convergent-sysv
1317	;;
1318    M680?0:D-NIX:5.3:*)
1319	GUESS=m68k-diab-dnix
1320	;;
1321    M68*:*:R3V[5678]*:*)
1322	test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
1323    3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
1324	OS_REL=''
1325	test -r /etc/.relid \
1326	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
1327	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1328	  && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
1329	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
1330	  && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
1331    3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
1332	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1333	  && { echo i486-ncr-sysv4; exit; } ;;
1334    NCR*:*:4.2:* | MPRAS*:*:4.2:*)
1335	OS_REL='.3'
1336	test -r /etc/.relid \
1337	    && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
1338	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1339	    && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
1340	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
1341	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; }
1342	/bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
1343	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
1344    m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
1345	GUESS=m68k-unknown-lynxos$UNAME_RELEASE
1346	;;
1347    mc68030:UNIX_System_V:4.*:*)
1348	GUESS=m68k-atari-sysv4
1349	;;
1350    TSUNAMI:LynxOS:2.*:*)
1351	GUESS=sparc-unknown-lynxos$UNAME_RELEASE
1352	;;
1353    rs6000:LynxOS:2.*:*)
1354	GUESS=rs6000-unknown-lynxos$UNAME_RELEASE
1355	;;
1356    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
1357	GUESS=powerpc-unknown-lynxos$UNAME_RELEASE
1358	;;
1359    SM[BE]S:UNIX_SV:*:*)
1360	GUESS=mips-dde-sysv$UNAME_RELEASE
1361	;;
1362    RM*:ReliantUNIX-*:*:*)
1363	GUESS=mips-sni-sysv4
1364	;;
1365    RM*:SINIX-*:*:*)
1366	GUESS=mips-sni-sysv4
1367	;;
1368    *:SINIX-*:*:*)
1369	if uname -p 2>/dev/null >/dev/null ; then
1370		UNAME_MACHINE=`(uname -p) 2>/dev/null`
1371		GUESS=$UNAME_MACHINE-sni-sysv4
1372	else
1373		GUESS=ns32k-sni-sysv
1374	fi
1375	;;
1376    PENTIUM:*:4.0*:*)	# Unisys 'ClearPath HMP IX 4000' SVR4/MP effort
1377			# says <Richard.M.Bartel@ccMail.Census.GOV>
1378	GUESS=i586-unisys-sysv4
1379	;;
1380    *:UNIX_System_V:4*:FTX*)
1381	# From Gerald Hewes <hewes@openmarket.com>.
1382	# How about differentiating between stratus architectures? -djm
1383	GUESS=hppa1.1-stratus-sysv4
1384	;;
1385    *:*:*:FTX*)
1386	# From seanf@swdc.stratus.com.
1387	GUESS=i860-stratus-sysv4
1388	;;
1389    i*86:VOS:*:*)
1390	# From Paul.Green@stratus.com.
1391	GUESS=$UNAME_MACHINE-stratus-vos
1392	;;
1393    *:VOS:*:*)
1394	# From Paul.Green@stratus.com.
1395	GUESS=hppa1.1-stratus-vos
1396	;;
1397    mc68*:A/UX:*:*)
1398	GUESS=m68k-apple-aux$UNAME_RELEASE
1399	;;
1400    news*:NEWS-OS:6*:*)
1401	GUESS=mips-sony-newsos6
1402	;;
1403    R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
1404	if test -d /usr/nec; then
1405		GUESS=mips-nec-sysv$UNAME_RELEASE
1406	else
1407		GUESS=mips-unknown-sysv$UNAME_RELEASE
1408	fi
1409	;;
1410    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
1411	GUESS=powerpc-be-beos
1412	;;
1413    BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
1414	GUESS=powerpc-apple-beos
1415	;;
1416    BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
1417	GUESS=i586-pc-beos
1418	;;
1419    BePC:Haiku:*:*)	# Haiku running on Intel PC compatible.
1420	GUESS=i586-pc-haiku
1421	;;
1422    ppc:Haiku:*:*)	# Haiku running on Apple PowerPC
1423	GUESS=powerpc-apple-haiku
1424	;;
1425    *:Haiku:*:*)	# Haiku modern gcc (not bound by BeOS compat)
1426	GUESS=$UNAME_MACHINE-unknown-haiku
1427	;;
1428    SX-4:SUPER-UX:*:*)
1429	GUESS=sx4-nec-superux$UNAME_RELEASE
1430	;;
1431    SX-5:SUPER-UX:*:*)
1432	GUESS=sx5-nec-superux$UNAME_RELEASE
1433	;;
1434    SX-6:SUPER-UX:*:*)
1435	GUESS=sx6-nec-superux$UNAME_RELEASE
1436	;;
1437    SX-7:SUPER-UX:*:*)
1438	GUESS=sx7-nec-superux$UNAME_RELEASE
1439	;;
1440    SX-8:SUPER-UX:*:*)
1441	GUESS=sx8-nec-superux$UNAME_RELEASE
1442	;;
1443    SX-8R:SUPER-UX:*:*)
1444	GUESS=sx8r-nec-superux$UNAME_RELEASE
1445	;;
1446    SX-ACE:SUPER-UX:*:*)
1447	GUESS=sxace-nec-superux$UNAME_RELEASE
1448	;;
1449    Power*:Rhapsody:*:*)
1450	GUESS=powerpc-apple-rhapsody$UNAME_RELEASE
1451	;;
1452    *:Rhapsody:*:*)
1453	GUESS=$UNAME_MACHINE-apple-rhapsody$UNAME_RELEASE
1454	;;
1455    arm64:Darwin:*:*)
1456	GUESS=aarch64-apple-darwin$UNAME_RELEASE
1457	;;
1458    *:Darwin:*:*)
1459	UNAME_PROCESSOR=`uname -p`
1460	case $UNAME_PROCESSOR in
1461	    unknown) UNAME_PROCESSOR=powerpc ;;
1462	esac
1463	if command -v xcode-select > /dev/null 2> /dev/null && \
1464		! xcode-select --print-path > /dev/null 2> /dev/null ; then
1465	    # Avoid executing cc if there is no toolchain installed as
1466	    # cc will be a stub that puts up a graphical alert
1467	    # prompting the user to install developer tools.
1468	    CC_FOR_BUILD=no_compiler_found
1469	else
1470	    set_cc_for_build
1471	fi
1472	if test "$CC_FOR_BUILD" != no_compiler_found; then
1473	    if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
1474		   (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
1475		   grep IS_64BIT_ARCH >/dev/null
1476	    then
1477		case $UNAME_PROCESSOR in
1478		    i386) UNAME_PROCESSOR=x86_64 ;;
1479		    powerpc) UNAME_PROCESSOR=powerpc64 ;;
1480		esac
1481	    fi
1482	    # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc
1483	    if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \
1484		   (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
1485		   grep IS_PPC >/dev/null
1486	    then
1487		UNAME_PROCESSOR=powerpc
1488	    fi
1489	elif test "$UNAME_PROCESSOR" = i386 ; then
1490	    # uname -m returns i386 or x86_64
1491	    UNAME_PROCESSOR=$UNAME_MACHINE
1492	fi
1493	GUESS=$UNAME_PROCESSOR-apple-darwin$UNAME_RELEASE
1494	;;
1495    *:procnto*:*:* | *:QNX:[0123456789]*:*)
1496	UNAME_PROCESSOR=`uname -p`
1497	if test "$UNAME_PROCESSOR" = x86; then
1498		UNAME_PROCESSOR=i386
1499		UNAME_MACHINE=pc
1500	fi
1501	GUESS=$UNAME_PROCESSOR-$UNAME_MACHINE-nto-qnx$UNAME_RELEASE
1502	;;
1503    *:QNX:*:4*)
1504	GUESS=i386-pc-qnx
1505	;;
1506    NEO-*:NONSTOP_KERNEL:*:*)
1507	GUESS=neo-tandem-nsk$UNAME_RELEASE
1508	;;
1509    NSE-*:NONSTOP_KERNEL:*:*)
1510	GUESS=nse-tandem-nsk$UNAME_RELEASE
1511	;;
1512    NSR-*:NONSTOP_KERNEL:*:*)
1513	GUESS=nsr-tandem-nsk$UNAME_RELEASE
1514	;;
1515    NSV-*:NONSTOP_KERNEL:*:*)
1516	GUESS=nsv-tandem-nsk$UNAME_RELEASE
1517	;;
1518    NSX-*:NONSTOP_KERNEL:*:*)
1519	GUESS=nsx-tandem-nsk$UNAME_RELEASE
1520	;;
1521    *:NonStop-UX:*:*)
1522	GUESS=mips-compaq-nonstopux
1523	;;
1524    BS2000:POSIX*:*:*)
1525	GUESS=bs2000-siemens-sysv
1526	;;
1527    DS/*:UNIX_System_V:*:*)
1528	GUESS=$UNAME_MACHINE-$UNAME_SYSTEM-$UNAME_RELEASE
1529	;;
1530    *:Plan9:*:*)
1531	# "uname -m" is not consistent, so use $cputype instead. 386
1532	# is converted to i386 for consistency with other x86
1533	# operating systems.
1534	if test "${cputype-}" = 386; then
1535	    UNAME_MACHINE=i386
1536	elif test "x${cputype-}" != x; then
1537	    UNAME_MACHINE=$cputype
1538	fi
1539	GUESS=$UNAME_MACHINE-unknown-plan9
1540	;;
1541    *:TOPS-10:*:*)
1542	GUESS=pdp10-unknown-tops10
1543	;;
1544    *:TENEX:*:*)
1545	GUESS=pdp10-unknown-tenex
1546	;;
1547    KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
1548	GUESS=pdp10-dec-tops20
1549	;;
1550    XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
1551	GUESS=pdp10-xkl-tops20
1552	;;
1553    *:TOPS-20:*:*)
1554	GUESS=pdp10-unknown-tops20
1555	;;
1556    *:ITS:*:*)
1557	GUESS=pdp10-unknown-its
1558	;;
1559    SEI:*:*:SEIUX)
1560	GUESS=mips-sei-seiux$UNAME_RELEASE
1561	;;
1562    *:DragonFly:*:*)
1563	DRAGONFLY_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
1564	GUESS=$UNAME_MACHINE-unknown-dragonfly$DRAGONFLY_REL
1565	;;
1566    *:*VMS:*:*)
1567	UNAME_MACHINE=`(uname -p) 2>/dev/null`
1568	case $UNAME_MACHINE in
1569	    A*) GUESS=alpha-dec-vms ;;
1570	    I*) GUESS=ia64-dec-vms ;;
1571	    V*) GUESS=vax-dec-vms ;;
1572	esac ;;
1573    *:XENIX:*:SysV)
1574	GUESS=i386-pc-xenix
1575	;;
1576    i*86:skyos:*:*)
1577	SKYOS_REL=`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'`
1578	GUESS=$UNAME_MACHINE-pc-skyos$SKYOS_REL
1579	;;
1580    i*86:rdos:*:*)
1581	GUESS=$UNAME_MACHINE-pc-rdos
1582	;;
1583    i*86:Fiwix:*:*)
1584	GUESS=$UNAME_MACHINE-pc-fiwix
1585	;;
1586    *:AROS:*:*)
1587	GUESS=$UNAME_MACHINE-unknown-aros
1588	;;
1589    x86_64:VMkernel:*:*)
1590	GUESS=$UNAME_MACHINE-unknown-esx
1591	;;
1592    amd64:Isilon\ OneFS:*:*)
1593	GUESS=x86_64-unknown-onefs
1594	;;
1595    *:Unleashed:*:*)
1596	GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE
1597	;;
1598    *:Ironclad:*:*)
1599	GUESS=$UNAME_MACHINE-unknown-ironclad
1600	;;
1601esac
1602
1603# Do we have a guess based on uname results?
1604if test "x$GUESS" != x; then
1605    echo "$GUESS"
1606    exit
1607fi
1608
1609# No uname command or uname output not recognized.
1610set_cc_for_build
1611cat > "$dummy.c" <<EOF
1612#ifdef _SEQUENT_
1613#include <sys/types.h>
1614#include <sys/utsname.h>
1615#endif
1616#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
1617#if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
1618#include <signal.h>
1619#if defined(_SIZE_T_) || defined(SIGLOST)
1620#include <sys/utsname.h>
1621#endif
1622#endif
1623#endif
1624main ()
1625{
1626#if defined (sony)
1627#if defined (MIPSEB)
1628  /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
1629     I don't know....  */
1630  printf ("mips-sony-bsd\n"); exit (0);
1631#else
1632#include <sys/param.h>
1633  printf ("m68k-sony-newsos%s\n",
1634#ifdef NEWSOS4
1635  "4"
1636#else
1637  ""
1638#endif
1639  ); exit (0);
1640#endif
1641#endif
1642
1643#if defined (NeXT)
1644#if !defined (__ARCHITECTURE__)
1645#define __ARCHITECTURE__ "m68k"
1646#endif
1647  int version;
1648  version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
1649  if (version < 4)
1650    printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
1651  else
1652    printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
1653  exit (0);
1654#endif
1655
1656#if defined (MULTIMAX) || defined (n16)
1657#if defined (UMAXV)
1658  printf ("ns32k-encore-sysv\n"); exit (0);
1659#else
1660#if defined (CMU)
1661  printf ("ns32k-encore-mach\n"); exit (0);
1662#else
1663  printf ("ns32k-encore-bsd\n"); exit (0);
1664#endif
1665#endif
1666#endif
1667
1668#if defined (__386BSD__)
1669  printf ("i386-pc-bsd\n"); exit (0);
1670#endif
1671
1672#if defined (sequent)
1673#if defined (i386)
1674  printf ("i386-sequent-dynix\n"); exit (0);
1675#endif
1676#if defined (ns32000)
1677  printf ("ns32k-sequent-dynix\n"); exit (0);
1678#endif
1679#endif
1680
1681#if defined (_SEQUENT_)
1682  struct utsname un;
1683
1684  uname(&un);
1685  if (strncmp(un.version, "V2", 2) == 0) {
1686    printf ("i386-sequent-ptx2\n"); exit (0);
1687  }
1688  if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
1689    printf ("i386-sequent-ptx1\n"); exit (0);
1690  }
1691  printf ("i386-sequent-ptx\n"); exit (0);
1692#endif
1693
1694#if defined (vax)
1695#if !defined (ultrix)
1696#include <sys/param.h>
1697#if defined (BSD)
1698#if BSD == 43
1699  printf ("vax-dec-bsd4.3\n"); exit (0);
1700#else
1701#if BSD == 199006
1702  printf ("vax-dec-bsd4.3reno\n"); exit (0);
1703#else
1704  printf ("vax-dec-bsd\n"); exit (0);
1705#endif
1706#endif
1707#else
1708  printf ("vax-dec-bsd\n"); exit (0);
1709#endif
1710#else
1711#if defined(_SIZE_T_) || defined(SIGLOST)
1712  struct utsname un;
1713  uname (&un);
1714  printf ("vax-dec-ultrix%s\n", un.release); exit (0);
1715#else
1716  printf ("vax-dec-ultrix\n"); exit (0);
1717#endif
1718#endif
1719#endif
1720#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
1721#if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
1722#if defined(_SIZE_T_) || defined(SIGLOST)
1723  struct utsname *un;
1724  uname (&un);
1725  printf ("mips-dec-ultrix%s\n", un.release); exit (0);
1726#else
1727  printf ("mips-dec-ultrix\n"); exit (0);
1728#endif
1729#endif
1730#endif
1731
1732#if defined (alliant) && defined (i860)
1733  printf ("i860-alliant-bsd\n"); exit (0);
1734#endif
1735
1736  exit (1);
1737}
1738EOF
1739
1740$CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`"$dummy"` &&
1741	{ echo "$SYSTEM_NAME"; exit; }
1742
1743# Apollos put the system type in the environment.
1744test -d /usr/apollo && { echo "$ISP-apollo-$SYSTYPE"; exit; }
1745
1746echo "$0: unable to guess system type" >&2
1747
1748case $UNAME_MACHINE:$UNAME_SYSTEM in
1749    mips:Linux | mips64:Linux)
1750	# If we got here on MIPS GNU/Linux, output extra information.
1751	cat >&2 <<EOF
1752
1753NOTE: MIPS GNU/Linux systems require a C compiler to fully recognize
1754the system type. Please install a C compiler and try again.
1755EOF
1756	;;
1757esac
1758
1759cat >&2 <<EOF
1760
1761This script (version $timestamp), has failed to recognize the
1762operating system you are using. If your script is old, overwrite *all*
1763copies of config.guess and config.sub with the latest versions from:
1764
1765  https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
1766and
1767  https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
1768EOF
1769
1770our_year=`echo $timestamp | sed 's,-.*,,'`
1771thisyear=`date +%Y`
1772# shellcheck disable=SC2003
1773script_age=`expr "$thisyear" - "$our_year"`
1774if test "$script_age" -lt 3 ; then
1775   cat >&2 <<EOF
1776
1777If $0 has already been updated, send the following data and any
1778information you think might be pertinent to config-patches@gnu.org to
1779provide the necessary information to handle your system.
1780
1781config.guess timestamp = $timestamp
1782
1783uname -m = `(uname -m) 2>/dev/null || echo unknown`
1784uname -r = `(uname -r) 2>/dev/null || echo unknown`
1785uname -s = `(uname -s) 2>/dev/null || echo unknown`
1786uname -v = `(uname -v) 2>/dev/null || echo unknown`
1787
1788/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
1789/bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
1790
1791hostinfo               = `(hostinfo) 2>/dev/null`
1792/bin/universe          = `(/bin/universe) 2>/dev/null`
1793/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
1794/bin/arch              = `(/bin/arch) 2>/dev/null`
1795/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
1796/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
1797
1798UNAME_MACHINE = "$UNAME_MACHINE"
1799UNAME_RELEASE = "$UNAME_RELEASE"
1800UNAME_SYSTEM  = "$UNAME_SYSTEM"
1801UNAME_VERSION = "$UNAME_VERSION"
1802EOF
1803fi
1804
1805exit 1
1806
1807# Local variables:
1808# eval: (add-hook 'before-save-hook 'time-stamp)
1809# time-stamp-start: "timestamp='"
1810# time-stamp-format: "%:y-%02m-%02d"
1811# time-stamp-end: "'"
1812# End:
1813