xref: /AOO42X/main/config.guess (revision c43a6c176f27701332321820f51c3c054e6e4e13)
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='2024-01-01'
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39# superseded or lifted in POSIX.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 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