xref: /PHP-8.4/build/config.guess (revision e02fa5f8)
1#! /bin/sh
2# Attempt to guess a canonical system name.
3#   Copyright 1992-2024 Free Software Foundation, Inc.
4
5# shellcheck disable=SC2006,SC2268 # see below for rationale
6
7timestamp='2024-07-27'
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39# superseded or lifted in POSIX.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 ($timestamp)
61
62Originally written by Per Bothner.
63Copyright 1992-2024 Free Software Foundation, Inc.
64
65This is free software; see the source for copying conditions.  There is NO
66warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
67
68help="
69Try '$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 c17 c99 c89 ; 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		int
638		main ()
639			{
640			if (!__power_pc())
641				exit(1);
642			puts("powerpc-ibm-aix3.2.5");
643			exit(0);
644			}
645EOF
646		if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"`
647		then
648			GUESS=$SYSTEM_NAME
649		else
650			GUESS=rs6000-ibm-aix3.2.5
651		fi
652	elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
653		GUESS=rs6000-ibm-aix3.2.4
654	else
655		GUESS=rs6000-ibm-aix3.2
656	fi
657	;;
658    *:AIX:*:[4567])
659	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
660	if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then
661		IBM_ARCH=rs6000
662	else
663		IBM_ARCH=powerpc
664	fi
665	if test -x /usr/bin/lslpp ; then
666		IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | \
667			   awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
668	else
669		IBM_REV=$UNAME_VERSION.$UNAME_RELEASE
670	fi
671	GUESS=$IBM_ARCH-ibm-aix$IBM_REV
672	;;
673    *:AIX:*:*)
674	GUESS=rs6000-ibm-aix
675	;;
676    ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*)
677	GUESS=romp-ibm-bsd4.4
678	;;
679    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
680	GUESS=romp-ibm-bsd$UNAME_RELEASE    # 4.3 with uname added to
681	;;                                  # report: romp-ibm BSD 4.3
682    *:BOSX:*:*)
683	GUESS=rs6000-bull-bosx
684	;;
685    DPX/2?00:B.O.S.:*:*)
686	GUESS=m68k-bull-sysv3
687	;;
688    9000/[34]??:4.3bsd:1.*:*)
689	GUESS=m68k-hp-bsd
690	;;
691    hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
692	GUESS=m68k-hp-bsd4.4
693	;;
694    9000/[34678]??:HP-UX:*:*)
695	HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'`
696	case $UNAME_MACHINE in
697	    9000/31?)            HP_ARCH=m68000 ;;
698	    9000/[34]??)         HP_ARCH=m68k ;;
699	    9000/[678][0-9][0-9])
700		if test -x /usr/bin/getconf; then
701		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
702		    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
703		    case $sc_cpu_version in
704		      523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
705		      528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
706		      532)                      # CPU_PA_RISC2_0
707			case $sc_kernel_bits in
708			  32) HP_ARCH=hppa2.0n ;;
709			  64) HP_ARCH=hppa2.0w ;;
710			  '') HP_ARCH=hppa2.0 ;;   # HP-UX 10.20
711			esac ;;
712		    esac
713		fi
714		if test "$HP_ARCH" = ""; then
715		    set_cc_for_build
716		    sed 's/^		//' << EOF > "$dummy.c"
717
718		#define _HPUX_SOURCE
719		#include <stdlib.h>
720		#include <unistd.h>
721
722		int
723		main ()
724		{
725		#if defined(_SC_KERNEL_BITS)
726		    long bits = sysconf(_SC_KERNEL_BITS);
727		#endif
728		    long cpu  = sysconf (_SC_CPU_VERSION);
729
730		    switch (cpu)
731			{
732			case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
733			case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
734			case CPU_PA_RISC2_0:
735		#if defined(_SC_KERNEL_BITS)
736			    switch (bits)
737				{
738				case 64: puts ("hppa2.0w"); break;
739				case 32: puts ("hppa2.0n"); break;
740				default: puts ("hppa2.0"); break;
741				} break;
742		#else  /* !defined(_SC_KERNEL_BITS) */
743			    puts ("hppa2.0"); break;
744		#endif
745			default: puts ("hppa1.0"); break;
746			}
747		    exit (0);
748		}
749EOF
750		    (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"`
751		    test -z "$HP_ARCH" && HP_ARCH=hppa
752		fi ;;
753	esac
754	if test "$HP_ARCH" = hppa2.0w
755	then
756	    set_cc_for_build
757
758	    # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
759	    # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
760	    # generating 64-bit code.  GNU and HP use different nomenclature:
761	    #
762	    # $ CC_FOR_BUILD=cc ./config.guess
763	    # => hppa2.0w-hp-hpux11.23
764	    # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
765	    # => hppa64-hp-hpux11.23
766
767	    if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) |
768		grep -q __LP64__
769	    then
770		HP_ARCH=hppa2.0w
771	    else
772		HP_ARCH=hppa64
773	    fi
774	fi
775	GUESS=$HP_ARCH-hp-hpux$HPUX_REV
776	;;
777    ia64:HP-UX:*:*)
778	HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'`
779	GUESS=ia64-hp-hpux$HPUX_REV
780	;;
781    3050*:HI-UX:*:*)
782	set_cc_for_build
783	sed 's/^	//' << EOF > "$dummy.c"
784	#include <unistd.h>
785	int
786	main ()
787	{
788	  long cpu = sysconf (_SC_CPU_VERSION);
789	  /* The order matters, because CPU_IS_HP_MC68K erroneously returns
790	     true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
791	     results, however.  */
792	  if (CPU_IS_PA_RISC (cpu))
793	    {
794	      switch (cpu)
795		{
796		  case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
797		  case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
798		  case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
799		  default: puts ("hppa-hitachi-hiuxwe2"); break;
800		}
801	    }
802	  else if (CPU_IS_HP_MC68K (cpu))
803	    puts ("m68k-hitachi-hiuxwe2");
804	  else puts ("unknown-hitachi-hiuxwe2");
805	  exit (0);
806	}
807EOF
808	$CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` &&
809		{ echo "$SYSTEM_NAME"; exit; }
810	GUESS=unknown-hitachi-hiuxwe2
811	;;
812    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*)
813	GUESS=hppa1.1-hp-bsd
814	;;
815    9000/8??:4.3bsd:*:*)
816	GUESS=hppa1.0-hp-bsd
817	;;
818    *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
819	GUESS=hppa1.0-hp-mpeix
820	;;
821    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*)
822	GUESS=hppa1.1-hp-osf
823	;;
824    hp8??:OSF1:*:*)
825	GUESS=hppa1.0-hp-osf
826	;;
827    i*86:OSF1:*:*)
828	if test -x /usr/sbin/sysversion ; then
829	    GUESS=$UNAME_MACHINE-unknown-osf1mk
830	else
831	    GUESS=$UNAME_MACHINE-unknown-osf1
832	fi
833	;;
834    parisc*:Lites*:*:*)
835	GUESS=hppa1.1-hp-lites
836	;;
837    C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
838	GUESS=c1-convex-bsd
839	;;
840    C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
841	if getsysinfo -f scalar_acc
842	then echo c32-convex-bsd
843	else echo c2-convex-bsd
844	fi
845	exit ;;
846    C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
847	GUESS=c34-convex-bsd
848	;;
849    C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
850	GUESS=c38-convex-bsd
851	;;
852    C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
853	GUESS=c4-convex-bsd
854	;;
855    CRAY*Y-MP:*:*:*)
856	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
857	GUESS=ymp-cray-unicos$CRAY_REL
858	;;
859    CRAY*[A-Z]90:*:*:*)
860	echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \
861	| sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
862	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
863	      -e 's/\.[^.]*$/.X/'
864	exit ;;
865    CRAY*TS:*:*:*)
866	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
867	GUESS=t90-cray-unicos$CRAY_REL
868	;;
869    CRAY*T3E:*:*:*)
870	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
871	GUESS=alphaev5-cray-unicosmk$CRAY_REL
872	;;
873    CRAY*SV1:*:*:*)
874	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
875	GUESS=sv1-cray-unicos$CRAY_REL
876	;;
877    *:UNICOS/mp:*:*)
878	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
879	GUESS=craynv-cray-unicosmp$CRAY_REL
880	;;
881    F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
882	FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
883	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
884	FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'`
885	GUESS=${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}
886	;;
887    5000:UNIX_System_V:4.*:*)
888	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
889	FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
890	GUESS=sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}
891	;;
892    i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
893	GUESS=$UNAME_MACHINE-pc-bsdi$UNAME_RELEASE
894	;;
895    sparc*:BSD/OS:*:*)
896	GUESS=sparc-unknown-bsdi$UNAME_RELEASE
897	;;
898    *:BSD/OS:*:*)
899	GUESS=$UNAME_MACHINE-unknown-bsdi$UNAME_RELEASE
900	;;
901    arm:FreeBSD:*:*)
902	UNAME_PROCESSOR=`uname -p`
903	set_cc_for_build
904	if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
905	    | grep -q __ARM_PCS_VFP
906	then
907	    FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
908	    GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabi
909	else
910	    FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
911	    GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabihf
912	fi
913	;;
914    *:FreeBSD:*:*)
915	UNAME_PROCESSOR=`uname -p`
916	case $UNAME_PROCESSOR in
917	    amd64)
918		UNAME_PROCESSOR=x86_64 ;;
919	    i386)
920		UNAME_PROCESSOR=i586 ;;
921	esac
922	FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
923	GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL
924	;;
925    i*:CYGWIN*:*)
926	GUESS=$UNAME_MACHINE-pc-cygwin
927	;;
928    *:MINGW64*:*)
929	GUESS=$UNAME_MACHINE-pc-mingw64
930	;;
931    *:MINGW*:*)
932	GUESS=$UNAME_MACHINE-pc-mingw32
933	;;
934    *:MSYS*:*)
935	GUESS=$UNAME_MACHINE-pc-msys
936	;;
937    i*:PW*:*)
938	GUESS=$UNAME_MACHINE-pc-pw32
939	;;
940    *:SerenityOS:*:*)
941        GUESS=$UNAME_MACHINE-pc-serenity
942        ;;
943    *:Interix*:*)
944	case $UNAME_MACHINE in
945	    x86)
946		GUESS=i586-pc-interix$UNAME_RELEASE
947		;;
948	    authenticamd | genuineintel | EM64T)
949		GUESS=x86_64-unknown-interix$UNAME_RELEASE
950		;;
951	    IA64)
952		GUESS=ia64-unknown-interix$UNAME_RELEASE
953		;;
954	esac ;;
955    i*:UWIN*:*)
956	GUESS=$UNAME_MACHINE-pc-uwin
957	;;
958    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
959	GUESS=x86_64-pc-cygwin
960	;;
961    prep*:SunOS:5.*:*)
962	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
963	GUESS=powerpcle-unknown-solaris2$SUN_REL
964	;;
965    *:GNU:*:*)
966	# the GNU system
967	GNU_ARCH=`echo "$UNAME_MACHINE" | sed -e 's,[-/].*$,,'`
968	GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's,/.*$,,'`
969	GUESS=$GNU_ARCH-unknown-$LIBC$GNU_REL
970	;;
971    *:GNU/*:*:*)
972	# other systems with GNU libc and userland
973	GNU_SYS=`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"`
974	GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
975	GUESS=$UNAME_MACHINE-unknown-$GNU_SYS$GNU_REL-$LIBC
976	;;
977    x86_64:[Mm]anagarm:*:*|i?86:[Mm]anagarm:*:*)
978	GUESS="$UNAME_MACHINE-pc-managarm-mlibc"
979	;;
980    *:[Mm]anagarm:*:*)
981	GUESS="$UNAME_MACHINE-unknown-managarm-mlibc"
982	;;
983    *:Minix:*:*)
984	GUESS=$UNAME_MACHINE-unknown-minix
985	;;
986    aarch64:Linux:*:*)
987	set_cc_for_build
988	CPU=$UNAME_MACHINE
989	LIBCABI=$LIBC
990	if test "$CC_FOR_BUILD" != no_compiler_found; then
991	    ABI=64
992	    sed 's/^	    //' << EOF > "$dummy.c"
993	    #ifdef __ARM_EABI__
994	    #ifdef __ARM_PCS_VFP
995	    ABI=eabihf
996	    #else
997	    ABI=eabi
998	    #endif
999	    #endif
1000EOF
1001	    cc_set_abi=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^ABI' | sed 's, ,,g'`
1002	    eval "$cc_set_abi"
1003	    case $ABI in
1004		eabi | eabihf) CPU=armv8l; LIBCABI=$LIBC$ABI ;;
1005	    esac
1006	fi
1007	GUESS=$CPU-unknown-linux-$LIBCABI
1008	;;
1009    aarch64_be:Linux:*:*)
1010	UNAME_MACHINE=aarch64_be
1011	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1012	;;
1013    alpha:Linux:*:*)
1014	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in
1015	  EV5)   UNAME_MACHINE=alphaev5 ;;
1016	  EV56)  UNAME_MACHINE=alphaev56 ;;
1017	  PCA56) UNAME_MACHINE=alphapca56 ;;
1018	  PCA57) UNAME_MACHINE=alphapca56 ;;
1019	  EV6)   UNAME_MACHINE=alphaev6 ;;
1020	  EV67)  UNAME_MACHINE=alphaev67 ;;
1021	  EV68*) UNAME_MACHINE=alphaev68 ;;
1022	esac
1023	objdump --private-headers /bin/sh | grep -q ld.so.1
1024	if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
1025	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1026	;;
1027    arc:Linux:*:* | arceb:Linux:*:* | arc32:Linux:*:* | arc64:Linux:*:*)
1028	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1029	;;
1030    arm*:Linux:*:*)
1031	set_cc_for_build
1032	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
1033	    | grep -q __ARM_EABI__
1034	then
1035	    GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1036	else
1037	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
1038		| grep -q __ARM_PCS_VFP
1039	    then
1040		GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabi
1041	    else
1042		GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabihf
1043	    fi
1044	fi
1045	;;
1046    avr32*:Linux:*:*)
1047	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1048	;;
1049    cris:Linux:*:*)
1050	GUESS=$UNAME_MACHINE-axis-linux-$LIBC
1051	;;
1052    crisv32:Linux:*:*)
1053	GUESS=$UNAME_MACHINE-axis-linux-$LIBC
1054	;;
1055    e2k:Linux:*:*)
1056	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1057	;;
1058    frv:Linux:*:*)
1059	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1060	;;
1061    hexagon:Linux:*:*)
1062	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1063	;;
1064    i*86:Linux:*:*)
1065	GUESS=$UNAME_MACHINE-pc-linux-$LIBC
1066	;;
1067    ia64:Linux:*:*)
1068	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1069	;;
1070    k1om:Linux:*:*)
1071	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1072	;;
1073    kvx:Linux:*:*)
1074	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1075	;;
1076    kvx:cos:*:*)
1077	GUESS=$UNAME_MACHINE-unknown-cos
1078	;;
1079    kvx:mbr:*:*)
1080	GUESS=$UNAME_MACHINE-unknown-mbr
1081	;;
1082    loongarch32:Linux:*:* | loongarch64:Linux:*:*)
1083	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1084	;;
1085    m32r*:Linux:*:*)
1086	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1087	;;
1088    m68*:Linux:*:*)
1089	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1090	;;
1091    mips:Linux:*:* | mips64:Linux:*:*)
1092	set_cc_for_build
1093	IS_GLIBC=0
1094	test x"${LIBC}" = xgnu && IS_GLIBC=1
1095	sed 's/^	//' << EOF > "$dummy.c"
1096	#undef CPU
1097	#undef mips
1098	#undef mipsel
1099	#undef mips64
1100	#undef mips64el
1101	#if ${IS_GLIBC} && defined(_ABI64)
1102	LIBCABI=gnuabi64
1103	#else
1104	#if ${IS_GLIBC} && defined(_ABIN32)
1105	LIBCABI=gnuabin32
1106	#else
1107	LIBCABI=${LIBC}
1108	#endif
1109	#endif
1110
1111	#if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
1112	CPU=mipsisa64r6
1113	#else
1114	#if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
1115	CPU=mipsisa32r6
1116	#else
1117	#if defined(__mips64)
1118	CPU=mips64
1119	#else
1120	CPU=mips
1121	#endif
1122	#endif
1123	#endif
1124
1125	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
1126	MIPS_ENDIAN=el
1127	#else
1128	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
1129	MIPS_ENDIAN=
1130	#else
1131	MIPS_ENDIAN=
1132	#endif
1133	#endif
1134EOF
1135	cc_set_vars=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI'`
1136	eval "$cc_set_vars"
1137	test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; }
1138	;;
1139    mips64el:Linux:*:*)
1140	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1141	;;
1142    openrisc*:Linux:*:*)
1143	GUESS=or1k-unknown-linux-$LIBC
1144	;;
1145    or32:Linux:*:* | or1k*:Linux:*:*)
1146	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1147	;;
1148    padre:Linux:*:*)
1149	GUESS=sparc-unknown-linux-$LIBC
1150	;;
1151    parisc64:Linux:*:* | hppa64:Linux:*:*)
1152	GUESS=hppa64-unknown-linux-$LIBC
1153	;;
1154    parisc:Linux:*:* | hppa:Linux:*:*)
1155	# Look for CPU level
1156	case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
1157	  PA7*) GUESS=hppa1.1-unknown-linux-$LIBC ;;
1158	  PA8*) GUESS=hppa2.0-unknown-linux-$LIBC ;;
1159	  *)    GUESS=hppa-unknown-linux-$LIBC ;;
1160	esac
1161	;;
1162    ppc64:Linux:*:*)
1163	GUESS=powerpc64-unknown-linux-$LIBC
1164	;;
1165    ppc:Linux:*:*)
1166	GUESS=powerpc-unknown-linux-$LIBC
1167	;;
1168    ppc64le:Linux:*:*)
1169	GUESS=powerpc64le-unknown-linux-$LIBC
1170	;;
1171    ppcle:Linux:*:*)
1172	GUESS=powerpcle-unknown-linux-$LIBC
1173	;;
1174    riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*)
1175	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1176	;;
1177    s390:Linux:*:* | s390x:Linux:*:*)
1178	GUESS=$UNAME_MACHINE-ibm-linux-$LIBC
1179	;;
1180    sh64*:Linux:*:*)
1181	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1182	;;
1183    sh*:Linux:*:*)
1184	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1185	;;
1186    sparc:Linux:*:* | sparc64:Linux:*:*)
1187	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1188	;;
1189    tile*:Linux:*:*)
1190	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1191	;;
1192    vax:Linux:*:*)
1193	GUESS=$UNAME_MACHINE-dec-linux-$LIBC
1194	;;
1195    x86_64:Linux:*:*)
1196	set_cc_for_build
1197	CPU=$UNAME_MACHINE
1198	LIBCABI=$LIBC
1199	if test "$CC_FOR_BUILD" != no_compiler_found; then
1200	    ABI=64
1201	    sed 's/^	    //' << EOF > "$dummy.c"
1202	    #ifdef __i386__
1203	    ABI=x86
1204	    #else
1205	    #ifdef __ILP32__
1206	    ABI=x32
1207	    #endif
1208	    #endif
1209EOF
1210	    cc_set_abi=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^ABI' | sed 's, ,,g'`
1211	    eval "$cc_set_abi"
1212	    case $ABI in
1213		x86) CPU=i686 ;;
1214		x32) LIBCABI=${LIBC}x32 ;;
1215	    esac
1216	fi
1217	GUESS=$CPU-pc-linux-$LIBCABI
1218	;;
1219    xtensa*:Linux:*:*)
1220	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1221	;;
1222    i*86:DYNIX/ptx:4*:*)
1223	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
1224	# earlier versions are messed up and put the nodename in both
1225	# sysname and nodename.
1226	GUESS=i386-sequent-sysv4
1227	;;
1228    i*86:UNIX_SV:4.2MP:2.*)
1229	# Unixware is an offshoot of SVR4, but it has its own version
1230	# number series starting with 2...
1231	# I am not positive that other SVR4 systems won't match this,
1232	# I just have to hope.  -- rms.
1233	# Use sysv4.2uw... so that sysv4* matches it.
1234	GUESS=$UNAME_MACHINE-pc-sysv4.2uw$UNAME_VERSION
1235	;;
1236    i*86:OS/2:*:*)
1237	# If we were able to find 'uname', then EMX Unix compatibility
1238	# is probably installed.
1239	GUESS=$UNAME_MACHINE-pc-os2-emx
1240	;;
1241    i*86:XTS-300:*:STOP)
1242	GUESS=$UNAME_MACHINE-unknown-stop
1243	;;
1244    i*86:atheos:*:*)
1245	GUESS=$UNAME_MACHINE-unknown-atheos
1246	;;
1247    i*86:syllable:*:*)
1248	GUESS=$UNAME_MACHINE-pc-syllable
1249	;;
1250    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
1251	GUESS=i386-unknown-lynxos$UNAME_RELEASE
1252	;;
1253    i*86:*DOS:*:*)
1254	GUESS=$UNAME_MACHINE-pc-msdosdjgpp
1255	;;
1256    i*86:*:4.*:*)
1257	UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'`
1258	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
1259		GUESS=$UNAME_MACHINE-univel-sysv$UNAME_REL
1260	else
1261		GUESS=$UNAME_MACHINE-pc-sysv$UNAME_REL
1262	fi
1263	;;
1264    i*86:*:5:[678]*)
1265	# UnixWare 7.x, OpenUNIX and OpenServer 6.
1266	case `/bin/uname -X | grep "^Machine"` in
1267	    *486*)	     UNAME_MACHINE=i486 ;;
1268	    *Pentium)	     UNAME_MACHINE=i586 ;;
1269	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
1270	esac
1271	GUESS=$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
1272	;;
1273    i*86:*:3.2:*)
1274	if test -f /usr/options/cb.name; then
1275		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
1276		GUESS=$UNAME_MACHINE-pc-isc$UNAME_REL
1277	elif /bin/uname -X 2>/dev/null >/dev/null ; then
1278		UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
1279		(/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
1280		(/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
1281			&& UNAME_MACHINE=i586
1282		(/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
1283			&& UNAME_MACHINE=i686
1284		(/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
1285			&& UNAME_MACHINE=i686
1286		GUESS=$UNAME_MACHINE-pc-sco$UNAME_REL
1287	else
1288		GUESS=$UNAME_MACHINE-pc-sysv32
1289	fi
1290	;;
1291    pc:*:*:*)
1292	# Left here for compatibility:
1293	# uname -m prints for DJGPP always 'pc', but it prints nothing about
1294	# the processor, so we play safe by assuming i586.
1295	# Note: whatever this is, it MUST be the same as what config.sub
1296	# prints for the "djgpp" host, or else GDB configure will decide that
1297	# this is a cross-build.
1298	GUESS=i586-pc-msdosdjgpp
1299	;;
1300    Intel:Mach:3*:*)
1301	GUESS=i386-pc-mach3
1302	;;
1303    paragon:*:*:*)
1304	GUESS=i860-intel-osf1
1305	;;
1306    i860:*:4.*:*) # i860-SVR4
1307	if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
1308	  GUESS=i860-stardent-sysv$UNAME_RELEASE    # Stardent Vistra i860-SVR4
1309	else # Add other i860-SVR4 vendors below as they are discovered.
1310	  GUESS=i860-unknown-sysv$UNAME_RELEASE     # Unknown i860-SVR4
1311	fi
1312	;;
1313    mini*:CTIX:SYS*5:*)
1314	# "miniframe"
1315	GUESS=m68010-convergent-sysv
1316	;;
1317    mc68k:UNIX:SYSTEM5:3.51m)
1318	GUESS=m68k-convergent-sysv
1319	;;
1320    M680?0:D-NIX:5.3:*)
1321	GUESS=m68k-diab-dnix
1322	;;
1323    M68*:*:R3V[5678]*:*)
1324	test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
1325    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)
1326	OS_REL=''
1327	test -r /etc/.relid \
1328	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
1329	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1330	  && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
1331	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
1332	  && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
1333    3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
1334	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1335	  && { echo i486-ncr-sysv4; exit; } ;;
1336    NCR*:*:4.2:* | MPRAS*:*:4.2:*)
1337	OS_REL='.3'
1338	test -r /etc/.relid \
1339	    && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
1340	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1341	    && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
1342	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
1343	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; }
1344	/bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
1345	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
1346    m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
1347	GUESS=m68k-unknown-lynxos$UNAME_RELEASE
1348	;;
1349    mc68030:UNIX_System_V:4.*:*)
1350	GUESS=m68k-atari-sysv4
1351	;;
1352    TSUNAMI:LynxOS:2.*:*)
1353	GUESS=sparc-unknown-lynxos$UNAME_RELEASE
1354	;;
1355    rs6000:LynxOS:2.*:*)
1356	GUESS=rs6000-unknown-lynxos$UNAME_RELEASE
1357	;;
1358    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
1359	GUESS=powerpc-unknown-lynxos$UNAME_RELEASE
1360	;;
1361    SM[BE]S:UNIX_SV:*:*)
1362	GUESS=mips-dde-sysv$UNAME_RELEASE
1363	;;
1364    RM*:ReliantUNIX-*:*:*)
1365	GUESS=mips-sni-sysv4
1366	;;
1367    RM*:SINIX-*:*:*)
1368	GUESS=mips-sni-sysv4
1369	;;
1370    *:SINIX-*:*:*)
1371	if uname -p 2>/dev/null >/dev/null ; then
1372		UNAME_MACHINE=`(uname -p) 2>/dev/null`
1373		GUESS=$UNAME_MACHINE-sni-sysv4
1374	else
1375		GUESS=ns32k-sni-sysv
1376	fi
1377	;;
1378    PENTIUM:*:4.0*:*)	# Unisys 'ClearPath HMP IX 4000' SVR4/MP effort
1379			# says <Richard.M.Bartel@ccMail.Census.GOV>
1380	GUESS=i586-unisys-sysv4
1381	;;
1382    *:UNIX_System_V:4*:FTX*)
1383	# From Gerald Hewes <hewes@openmarket.com>.
1384	# How about differentiating between stratus architectures? -djm
1385	GUESS=hppa1.1-stratus-sysv4
1386	;;
1387    *:*:*:FTX*)
1388	# From seanf@swdc.stratus.com.
1389	GUESS=i860-stratus-sysv4
1390	;;
1391    i*86:VOS:*:*)
1392	# From Paul.Green@stratus.com.
1393	GUESS=$UNAME_MACHINE-stratus-vos
1394	;;
1395    *:VOS:*:*)
1396	# From Paul.Green@stratus.com.
1397	GUESS=hppa1.1-stratus-vos
1398	;;
1399    mc68*:A/UX:*:*)
1400	GUESS=m68k-apple-aux$UNAME_RELEASE
1401	;;
1402    news*:NEWS-OS:6*:*)
1403	GUESS=mips-sony-newsos6
1404	;;
1405    R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
1406	if test -d /usr/nec; then
1407		GUESS=mips-nec-sysv$UNAME_RELEASE
1408	else
1409		GUESS=mips-unknown-sysv$UNAME_RELEASE
1410	fi
1411	;;
1412    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
1413	GUESS=powerpc-be-beos
1414	;;
1415    BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
1416	GUESS=powerpc-apple-beos
1417	;;
1418    BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
1419	GUESS=i586-pc-beos
1420	;;
1421    BePC:Haiku:*:*)	# Haiku running on Intel PC compatible.
1422	GUESS=i586-pc-haiku
1423	;;
1424    ppc:Haiku:*:*)	# Haiku running on Apple PowerPC
1425	GUESS=powerpc-apple-haiku
1426	;;
1427    *:Haiku:*:*)	# Haiku modern gcc (not bound by BeOS compat)
1428	GUESS=$UNAME_MACHINE-unknown-haiku
1429	;;
1430    SX-4:SUPER-UX:*:*)
1431	GUESS=sx4-nec-superux$UNAME_RELEASE
1432	;;
1433    SX-5:SUPER-UX:*:*)
1434	GUESS=sx5-nec-superux$UNAME_RELEASE
1435	;;
1436    SX-6:SUPER-UX:*:*)
1437	GUESS=sx6-nec-superux$UNAME_RELEASE
1438	;;
1439    SX-7:SUPER-UX:*:*)
1440	GUESS=sx7-nec-superux$UNAME_RELEASE
1441	;;
1442    SX-8:SUPER-UX:*:*)
1443	GUESS=sx8-nec-superux$UNAME_RELEASE
1444	;;
1445    SX-8R:SUPER-UX:*:*)
1446	GUESS=sx8r-nec-superux$UNAME_RELEASE
1447	;;
1448    SX-ACE:SUPER-UX:*:*)
1449	GUESS=sxace-nec-superux$UNAME_RELEASE
1450	;;
1451    Power*:Rhapsody:*:*)
1452	GUESS=powerpc-apple-rhapsody$UNAME_RELEASE
1453	;;
1454    *:Rhapsody:*:*)
1455	GUESS=$UNAME_MACHINE-apple-rhapsody$UNAME_RELEASE
1456	;;
1457    arm64:Darwin:*:*)
1458	GUESS=aarch64-apple-darwin$UNAME_RELEASE
1459	;;
1460    *:Darwin:*:*)
1461	UNAME_PROCESSOR=`uname -p`
1462	case $UNAME_PROCESSOR in
1463	    unknown) UNAME_PROCESSOR=powerpc ;;
1464	esac
1465	if command -v xcode-select > /dev/null 2> /dev/null && \
1466		! xcode-select --print-path > /dev/null 2> /dev/null ; then
1467	    # Avoid executing cc if there is no toolchain installed as
1468	    # cc will be a stub that puts up a graphical alert
1469	    # prompting the user to install developer tools.
1470	    CC_FOR_BUILD=no_compiler_found
1471	else
1472	    set_cc_for_build
1473	fi
1474	if test "$CC_FOR_BUILD" != no_compiler_found; then
1475	    if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
1476		   (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
1477		   grep IS_64BIT_ARCH >/dev/null
1478	    then
1479		case $UNAME_PROCESSOR in
1480		    i386) UNAME_PROCESSOR=x86_64 ;;
1481		    powerpc) UNAME_PROCESSOR=powerpc64 ;;
1482		esac
1483	    fi
1484	    # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc
1485	    if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \
1486		   (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
1487		   grep IS_PPC >/dev/null
1488	    then
1489		UNAME_PROCESSOR=powerpc
1490	    fi
1491	elif test "$UNAME_PROCESSOR" = i386 ; then
1492	    # uname -m returns i386 or x86_64
1493	    UNAME_PROCESSOR=$UNAME_MACHINE
1494	fi
1495	GUESS=$UNAME_PROCESSOR-apple-darwin$UNAME_RELEASE
1496	;;
1497    *:procnto*:*:* | *:QNX:[0123456789]*:*)
1498	UNAME_PROCESSOR=`uname -p`
1499	if test "$UNAME_PROCESSOR" = x86; then
1500		UNAME_PROCESSOR=i386
1501		UNAME_MACHINE=pc
1502	fi
1503	GUESS=$UNAME_PROCESSOR-$UNAME_MACHINE-nto-qnx$UNAME_RELEASE
1504	;;
1505    *:QNX:*:4*)
1506	GUESS=i386-pc-qnx
1507	;;
1508    NEO-*:NONSTOP_KERNEL:*:*)
1509	GUESS=neo-tandem-nsk$UNAME_RELEASE
1510	;;
1511    NSE-*:NONSTOP_KERNEL:*:*)
1512	GUESS=nse-tandem-nsk$UNAME_RELEASE
1513	;;
1514    NSR-*:NONSTOP_KERNEL:*:*)
1515	GUESS=nsr-tandem-nsk$UNAME_RELEASE
1516	;;
1517    NSV-*:NONSTOP_KERNEL:*:*)
1518	GUESS=nsv-tandem-nsk$UNAME_RELEASE
1519	;;
1520    NSX-*:NONSTOP_KERNEL:*:*)
1521	GUESS=nsx-tandem-nsk$UNAME_RELEASE
1522	;;
1523    *:NonStop-UX:*:*)
1524	GUESS=mips-compaq-nonstopux
1525	;;
1526    BS2000:POSIX*:*:*)
1527	GUESS=bs2000-siemens-sysv
1528	;;
1529    DS/*:UNIX_System_V:*:*)
1530	GUESS=$UNAME_MACHINE-$UNAME_SYSTEM-$UNAME_RELEASE
1531	;;
1532    *:Plan9:*:*)
1533	# "uname -m" is not consistent, so use $cputype instead. 386
1534	# is converted to i386 for consistency with other x86
1535	# operating systems.
1536	if test "${cputype-}" = 386; then
1537	    UNAME_MACHINE=i386
1538	elif test "x${cputype-}" != x; then
1539	    UNAME_MACHINE=$cputype
1540	fi
1541	GUESS=$UNAME_MACHINE-unknown-plan9
1542	;;
1543    *:TOPS-10:*:*)
1544	GUESS=pdp10-unknown-tops10
1545	;;
1546    *:TENEX:*:*)
1547	GUESS=pdp10-unknown-tenex
1548	;;
1549    KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
1550	GUESS=pdp10-dec-tops20
1551	;;
1552    XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
1553	GUESS=pdp10-xkl-tops20
1554	;;
1555    *:TOPS-20:*:*)
1556	GUESS=pdp10-unknown-tops20
1557	;;
1558    *:ITS:*:*)
1559	GUESS=pdp10-unknown-its
1560	;;
1561    SEI:*:*:SEIUX)
1562	GUESS=mips-sei-seiux$UNAME_RELEASE
1563	;;
1564    *:DragonFly:*:*)
1565	DRAGONFLY_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
1566	GUESS=$UNAME_MACHINE-unknown-dragonfly$DRAGONFLY_REL
1567	;;
1568    *:*VMS:*:*)
1569	UNAME_MACHINE=`(uname -p) 2>/dev/null`
1570	case $UNAME_MACHINE in
1571	    A*) GUESS=alpha-dec-vms ;;
1572	    I*) GUESS=ia64-dec-vms ;;
1573	    V*) GUESS=vax-dec-vms ;;
1574	esac ;;
1575    *:XENIX:*:SysV)
1576	GUESS=i386-pc-xenix
1577	;;
1578    i*86:skyos:*:*)
1579	SKYOS_REL=`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'`
1580	GUESS=$UNAME_MACHINE-pc-skyos$SKYOS_REL
1581	;;
1582    i*86:rdos:*:*)
1583	GUESS=$UNAME_MACHINE-pc-rdos
1584	;;
1585    i*86:Fiwix:*:*)
1586	GUESS=$UNAME_MACHINE-pc-fiwix
1587	;;
1588    *:AROS:*:*)
1589	GUESS=$UNAME_MACHINE-unknown-aros
1590	;;
1591    x86_64:VMkernel:*:*)
1592	GUESS=$UNAME_MACHINE-unknown-esx
1593	;;
1594    amd64:Isilon\ OneFS:*:*)
1595	GUESS=x86_64-unknown-onefs
1596	;;
1597    *:Unleashed:*:*)
1598	GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE
1599	;;
1600    *:Ironclad:*:*)
1601	GUESS=$UNAME_MACHINE-unknown-ironclad
1602	;;
1603esac
1604
1605# Do we have a guess based on uname results?
1606if test "x$GUESS" != x; then
1607    echo "$GUESS"
1608    exit
1609fi
1610
1611# No uname command or uname output not recognized.
1612set_cc_for_build
1613cat > "$dummy.c" <<EOF
1614#ifdef _SEQUENT_
1615#include <sys/types.h>
1616#include <sys/utsname.h>
1617#endif
1618#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
1619#if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
1620#include <signal.h>
1621#if defined(_SIZE_T_) || defined(SIGLOST)
1622#include <sys/utsname.h>
1623#endif
1624#endif
1625#endif
1626int
1627main ()
1628{
1629#if defined (sony)
1630#if defined (MIPSEB)
1631  /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
1632     I don't know....  */
1633  printf ("mips-sony-bsd\n"); exit (0);
1634#else
1635#include <sys/param.h>
1636  printf ("m68k-sony-newsos%s\n",
1637#ifdef NEWSOS4
1638  "4"
1639#else
1640  ""
1641#endif
1642  ); exit (0);
1643#endif
1644#endif
1645
1646#if defined (NeXT)
1647#if !defined (__ARCHITECTURE__)
1648#define __ARCHITECTURE__ "m68k"
1649#endif
1650  int version;
1651  version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
1652  if (version < 4)
1653    printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
1654  else
1655    printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
1656  exit (0);
1657#endif
1658
1659#if defined (MULTIMAX) || defined (n16)
1660#if defined (UMAXV)
1661  printf ("ns32k-encore-sysv\n"); exit (0);
1662#else
1663#if defined (CMU)
1664  printf ("ns32k-encore-mach\n"); exit (0);
1665#else
1666  printf ("ns32k-encore-bsd\n"); exit (0);
1667#endif
1668#endif
1669#endif
1670
1671#if defined (__386BSD__)
1672  printf ("i386-pc-bsd\n"); exit (0);
1673#endif
1674
1675#if defined (sequent)
1676#if defined (i386)
1677  printf ("i386-sequent-dynix\n"); exit (0);
1678#endif
1679#if defined (ns32000)
1680  printf ("ns32k-sequent-dynix\n"); exit (0);
1681#endif
1682#endif
1683
1684#if defined (_SEQUENT_)
1685  struct utsname un;
1686
1687  uname(&un);
1688  if (strncmp(un.version, "V2", 2) == 0) {
1689    printf ("i386-sequent-ptx2\n"); exit (0);
1690  }
1691  if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
1692    printf ("i386-sequent-ptx1\n"); exit (0);
1693  }
1694  printf ("i386-sequent-ptx\n"); exit (0);
1695#endif
1696
1697#if defined (vax)
1698#if !defined (ultrix)
1699#include <sys/param.h>
1700#if defined (BSD)
1701#if BSD == 43
1702  printf ("vax-dec-bsd4.3\n"); exit (0);
1703#else
1704#if BSD == 199006
1705  printf ("vax-dec-bsd4.3reno\n"); exit (0);
1706#else
1707  printf ("vax-dec-bsd\n"); exit (0);
1708#endif
1709#endif
1710#else
1711  printf ("vax-dec-bsd\n"); exit (0);
1712#endif
1713#else
1714#if defined(_SIZE_T_) || defined(SIGLOST)
1715  struct utsname un;
1716  uname (&un);
1717  printf ("vax-dec-ultrix%s\n", un.release); exit (0);
1718#else
1719  printf ("vax-dec-ultrix\n"); exit (0);
1720#endif
1721#endif
1722#endif
1723#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
1724#if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
1725#if defined(_SIZE_T_) || defined(SIGLOST)
1726  struct utsname *un;
1727  uname (&un);
1728  printf ("mips-dec-ultrix%s\n", un.release); exit (0);
1729#else
1730  printf ("mips-dec-ultrix\n"); exit (0);
1731#endif
1732#endif
1733#endif
1734
1735#if defined (alliant) && defined (i860)
1736  printf ("i860-alliant-bsd\n"); exit (0);
1737#endif
1738
1739  exit (1);
1740}
1741EOF
1742
1743$CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`"$dummy"` &&
1744	{ echo "$SYSTEM_NAME"; exit; }
1745
1746# Apollos put the system type in the environment.
1747test -d /usr/apollo && { echo "$ISP-apollo-$SYSTYPE"; exit; }
1748
1749echo "$0: unable to guess system type" >&2
1750
1751case $UNAME_MACHINE:$UNAME_SYSTEM in
1752    mips:Linux | mips64:Linux)
1753	# If we got here on MIPS GNU/Linux, output extra information.
1754	cat >&2 <<EOF
1755
1756NOTE: MIPS GNU/Linux systems require a C compiler to fully recognize
1757the system type. Please install a C compiler and try again.
1758EOF
1759	;;
1760esac
1761
1762cat >&2 <<EOF
1763
1764This script (version $timestamp), has failed to recognize the
1765operating system you are using. If your script is old, overwrite *all*
1766copies of config.guess and config.sub with the latest versions from:
1767
1768  https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
1769and
1770  https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
1771EOF
1772
1773our_year=`echo $timestamp | sed 's,-.*,,'`
1774thisyear=`date +%Y`
1775# shellcheck disable=SC2003
1776script_age=`expr "$thisyear" - "$our_year"`
1777if test "$script_age" -lt 3 ; then
1778   cat >&2 <<EOF
1779
1780If $0 has already been updated, send the following data and any
1781information you think might be pertinent to config-patches@gnu.org to
1782provide the necessary information to handle your system.
1783
1784config.guess timestamp = $timestamp
1785
1786uname -m = `(uname -m) 2>/dev/null || echo unknown`
1787uname -r = `(uname -r) 2>/dev/null || echo unknown`
1788uname -s = `(uname -s) 2>/dev/null || echo unknown`
1789uname -v = `(uname -v) 2>/dev/null || echo unknown`
1790
1791/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
1792/bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
1793
1794hostinfo               = `(hostinfo) 2>/dev/null`
1795/bin/universe          = `(/bin/universe) 2>/dev/null`
1796/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
1797/bin/arch              = `(/bin/arch) 2>/dev/null`
1798/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
1799/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
1800
1801UNAME_MACHINE = "$UNAME_MACHINE"
1802UNAME_RELEASE = "$UNAME_RELEASE"
1803UNAME_SYSTEM  = "$UNAME_SYSTEM"
1804UNAME_VERSION = "$UNAME_VERSION"
1805EOF
1806fi
1807
1808exit 1
1809
1810# Local variables:
1811# eval: (add-hook 'before-save-hook 'time-stamp)
1812# time-stamp-start: "timestamp='"
1813# time-stamp-format: "%:y-%02m-%02d"
1814# time-stamp-end: "'"
1815# End:
1816