config.guess

   1 #! /bin/sh
   2 # Attempt to guess a canonical system name.
   3 #   Copyright 1992-2021 Free Software Foundation, Inc.
   4
   5 # shellcheck disable=SC2006,SC2268 # see below for rationale
   6
   7 timestamp='2021-06-03'
   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  39 # superseded or lifted in POSIX.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
  45 me=`echo "$0" | sed -e 's,.*/,,'`
  46
  47 usage="\
  48 Usage: $0 [OPTION]
  49
  50 Output the configuration name of the system \`$me' is run on.
  51
  52 Options:
  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
  57 Report bugs and patches to <config-patches@gnu.org>."
  58
  59 version="\
  60 GNU config.guess ($timestamp)
  61
  62 Originally written by Per Bothner.
  63 Copyright 1992-2021 Free Software Foundation, Inc.
  64
  65 This is free software; see the source for copying conditions.  There is NO
  66 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
  67
  68 help="
  69 Try \`$me --help' for more information."
  70
  71 # Parse command line
  72 while 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
  90 done
  91
  92 if test $# != 0; then
  93   echo "$me: too many arguments$help" >&2
  94   exit 1
  95 fi
  96
  97 # Just in case it came from the environment.
  98 GUESS=
  99
 100 # CC_FOR_BUILD -- compiler used by this script. Note that the use of a
 101 # compiler to aid in system detection is discouraged as it requires
 102 # temporary files to be created and, as you can see below, it is a
 103 # headache to deal with in a portable fashion.
 104
 105 # Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
 106 # use `HOST_CC' if defined, but it is deprecated.
 107
 108 # Portable tmp directory creation inspired by the Autoconf team.
 109
 110 tmp=
 111 # shellcheck disable=SC2172
 112 trap 'test -z "$tmp" || rm -fr "$tmp"' 0 1 2 13 15
 113
 114 set_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=$HOST_CC ;;
 138     esac
 139 }
 140
 141 # This is needed to find uname on a Pyramid OSx when run in the BSD universe.
 142 # (ghazi@noc.rutgers.edu 1994-08-24)
 143 if test -f /.attbin/uname ; then
 144         PATH=$PATH:/.attbin ; export PATH
 145 fi
 146
 147 UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
 148 UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
 149 UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
 150 UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
 151
 152 case $UNAME_SYSTEM in
 153 Linux|GNU|GNU/*)
 154         LIBC=unknown
 155
 156         set_cc_for_build
 157         cat <<-EOF > "$dummy.c"
 158         #include <features.h>
 159         #if defined(__UCLIBC__)
 160         LIBC=uclibc
 161         #elif defined(__dietlibc__)
 162         LIBC=dietlibc
 163         #elif defined(__GLIBC__)
 164         LIBC=gnu
 165         #else
 166         #include <stdarg.h>
 167         /* First heuristic to detect musl libc.  */
 168         #ifdef __DEFINED_va_list
 169         LIBC=musl
 170         #endif
 171         #endif
 172         EOF
 173         cc_set_libc=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`
 174         eval "$cc_set_libc"
 175
 176         # Second heuristic to detect musl libc.
 177         if [ "$LIBC" = unknown ] &&
 178            command -v ldd >/dev/null &&
 179            ldd --version 2>&1 | grep -q ^musl; then
 180                 LIBC=musl
 181         fi
 182
 183         # If the system lacks a compiler, then just pick glibc.
 184         # We could probably try harder.
 185         if [ "$LIBC" = unknown ]; then
 186                 LIBC=gnu
 187         fi
 188         ;;
 189 esac
 190
 191 # Note: order is significant - the case branches are not exclusive.
 192
 193 case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
 194     *:NetBSD:*:*)
 195         # NetBSD (nbsd) targets should (where applicable) match one or
 196         # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
 197         # *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
 198         # switched to ELF, *-*-netbsd* would select the old
 199         # object file format.  This provides both forward
 200         # compatibility and a consistent mechanism for selecting the
 201         # object file format.
 202         #
 203         # Note: NetBSD doesn't particularly care about the vendor
 204         # portion of the name.  We always set it to "unknown".
 205         UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
 206             /sbin/sysctl -n hw.machine_arch 2>/dev/null || \
 207             /usr/sbin/sysctl -n hw.machine_arch 2>/dev/null || \
 208             echo unknown)`
 209         case $UNAME_MACHINE_ARCH in
 210             aarch64eb) machine=aarch64_be-unknown ;;
 211             armeb) machine=armeb-unknown ;;
 212             arm*) machine=arm-unknown ;;
 213             sh3el) machine=shl-unknown ;;
 214             sh3eb) machine=sh-unknown ;;
 215             sh5el) machine=sh5le-unknown ;;
 216             earmv*)
 217                 arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,'`
 218                 endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p'`
 219                 machine=${arch}${endian}-unknown
 220                 ;;
 221             *) machine=$UNAME_MACHINE_ARCH-unknown ;;
 222         esac
 223         # The Operating System including object format, if it has switched
 224         # to ELF recently (or will in the future) and ABI.
 225         case $UNAME_MACHINE_ARCH in
 226             earm*)
 227                 os=netbsdelf
 228                 ;;
 229             arm*|i386|m68k|ns32k|sh3*|sparc|vax)
 230                 set_cc_for_build
 231                 if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
 232                         | grep -q __ELF__
 233                 then
 234                     # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
 235                     # Return netbsd for either.  FIX?
 236                     os=netbsd
 237                 else
 238                     os=netbsdelf
 239                 fi
 240                 ;;
 241             *)
 242                 os=netbsd
 243                 ;;
 244         esac
 245         # Determine ABI tags.
 246         case $UNAME_MACHINE_ARCH in
 247             earm*)
 248                 expr='s/^earmv[0-9]/-eabi/;s/eb$//'
 249                 abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
 250                 ;;
 251         esac
 252         # The OS release
 253         # Debian GNU/NetBSD machines have a different userland, and
 254         # thus, need a distinct triplet. However, they do not need
 255         # kernel version information, so it can be replaced with a
 256         # suitable tag, in the style of linux-gnu.
 257         case $UNAME_VERSION in
 258             Debian*)
 259                 release='-gnu'
 260                 ;;
 261             *)
 262                 release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2`
 263                 ;;
 264         esac
 265         # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
 266         # contains redundant information, the shorter form:
 267         # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
 268         GUESS=$machine-${os}${release}${abi-}
 269         ;;
 270     *:Bitrig:*:*)
 271         UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
 272         GUESS=$UNAME_MACHINE_ARCH-unknown-bitrig$UNAME_RELEASE
 273         ;;
 274     *:OpenBSD:*:*)
 275         UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
 276         GUESS=$UNAME_MACHINE_ARCH-unknown-openbsd$UNAME_RELEASE
 277         ;;
 278     *:SecBSD:*:*)
 279         UNAME_MACHINE_ARCH=`arch | sed 's/SecBSD.//'`
 280         GUESS=$UNAME_MACHINE_ARCH-unknown-secbsd$UNAME_RELEASE
 281         ;;
 282     *:LibertyBSD:*:*)
 283         UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
 284         GUESS=$UNAME_MACHINE_ARCH-unknown-libertybsd$UNAME_RELEASE
 285         ;;
 286     *:MidnightBSD:*:*)
 287         GUESS=$UNAME_MACHINE-unknown-midnightbsd$UNAME_RELEASE
 288         ;;
 289     *:ekkoBSD:*:*)
 290         GUESS=$UNAME_MACHINE-unknown-ekkobsd$UNAME_RELEASE
 291         ;;
 292     *:SolidBSD:*:*)
 293         GUESS=$UNAME_MACHINE-unknown-solidbsd$UNAME_RELEASE
 294         ;;
 295     *:OS108:*:*)
 296         GUESS=$UNAME_MACHINE-unknown-os108_$UNAME_RELEASE
 297         ;;
 298     macppc:MirBSD:*:*)
 299         GUESS=powerpc-unknown-mirbsd$UNAME_RELEASE
 300         ;;
 301     *:MirBSD:*:*)
 302         GUESS=$UNAME_MACHINE-unknown-mirbsd$UNAME_RELEASE
 303         ;;
 304     *:Sortix:*:*)
 305         GUESS=$UNAME_MACHINE-unknown-sortix
 306         ;;
 307     *:Twizzler:*:*)
 308         GUESS=$UNAME_MACHINE-unknown-twizzler
 309         ;;
 310     *:Redox:*:*)
 311         GUESS=$UNAME_MACHINE-unknown-redox
 312         ;;
 313     mips:OSF1:*.*)
 314         GUESS=mips-dec-osf1
 315         ;;
 316     alpha:OSF1:*:*)
 317         # Reset EXIT trap before exiting to avoid spurious non-zero exit code.
 318         trap '' 0
 319         case $UNAME_RELEASE in
 320         *4.0)
 321                 UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
 322                 ;;
 323         *5.*)
 324                 UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
 325                 ;;
 326         esac
 327         # According to Compaq, /usr/sbin/psrinfo has been available on
 328         # OSF/1 and Tru64 systems produced since 1995.  I hope that
 329         # covers most systems running today.  This code pipes the CPU
 330         # types through head -n 1, so we only detect the type of CPU 0.
 331         ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
 332         case $ALPHA_CPU_TYPE in
 333             "EV4 (21064)")
 334                 UNAME_MACHINE=alpha ;;
 335             "EV4.5 (21064)")
 336                 UNAME_MACHINE=alpha ;;
 337             "LCA4 (21066/21068)")
 338                 UNAME_MACHINE=alpha ;;
 339             "EV5 (21164)")
 340                 UNAME_MACHINE=alphaev5 ;;
 341             "EV5.6 (21164A)")
 342                 UNAME_MACHINE=alphaev56 ;;
 343             "EV5.6 (21164PC)")
 344                 UNAME_MACHINE=alphapca56 ;;
 345             "EV5.7 (21164PC)")
 346                 UNAME_MACHINE=alphapca57 ;;
 347             "EV6 (21264)")
 348                 UNAME_MACHINE=alphaev6 ;;
 349             "EV6.7 (21264A)")
 350                 UNAME_MACHINE=alphaev67 ;;
 351             "EV6.8CB (21264C)")
 352                 UNAME_MACHINE=alphaev68 ;;
 353             "EV6.8AL (21264B)")
 354                 UNAME_MACHINE=alphaev68 ;;
 355             "EV6.8CX (21264D)")
 356                 UNAME_MACHINE=alphaev68 ;;
 357             "EV6.9A (21264/EV69A)")
 358                 UNAME_MACHINE=alphaev69 ;;
 359             "EV7 (21364)")
 360                 UNAME_MACHINE=alphaev7 ;;
 361             "EV7.9 (21364A)")
 362                 UNAME_MACHINE=alphaev79 ;;
 363         esac
 364         # A Pn.n version is a patched version.
 365         # A Vn.n version is a released version.
 366         # A Tn.n version is a released field test version.
 367         # A Xn.n version is an unreleased experimental baselevel.
 368         # 1.2 uses "1.2" for uname -r.
 369         OSF_REL=`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
 370         GUESS=$UNAME_MACHINE-dec-osf$OSF_REL
 371         ;;
 372     Amiga*:UNIX_System_V:4.0:*)
 373         GUESS=m68k-unknown-sysv4
 374         ;;
 375     *:[Aa]miga[Oo][Ss]:*:*)
 376         GUESS=$UNAME_MACHINE-unknown-amigaos
 377         ;;
 378     *:[Mm]orph[Oo][Ss]:*:*)
 379         GUESS=$UNAME_MACHINE-unknown-morphos
 380         ;;
 381     *:OS/390:*:*)
 382         GUESS=i370-ibm-openedition
 383         ;;
 384     *:z/VM:*:*)
 385         GUESS=s390-ibm-zvmoe
 386         ;;
 387     *:OS400:*:*)
 388         GUESS=powerpc-ibm-os400
 389         ;;
 390     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
 391         GUESS=arm-acorn-riscix$UNAME_RELEASE
 392         ;;
 393     arm*:riscos:*:*|arm*:RISCOS:*:*)
 394         GUESS=arm-unknown-riscos
 395         ;;
 396     SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
 397         GUESS=hppa1.1-hitachi-hiuxmpp
 398         ;;
 399     Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
 400         # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
 401         case `(/bin/universe) 2>/dev/null` in
 402             att) GUESS=pyramid-pyramid-sysv3 ;;
 403             *)   GUESS=pyramid-pyramid-bsd   ;;
 404         esac
 405         ;;
 406     NILE*:*:*:dcosx)
 407         GUESS=pyramid-pyramid-svr4
 408         ;;
 409     DRS?6000:unix:4.0:6*)
 410         GUESS=sparc-icl-nx6
 411         ;;
 412     DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
 413         case `/usr/bin/uname -p` in
 414             sparc) GUESS=sparc-icl-nx7 ;;
 415         esac
 416         ;;
 417     s390x:SunOS:*:*)
 418         SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
 419         GUESS=$UNAME_MACHINE-ibm-solaris2$SUN_REL
 420         ;;
 421     sun4H:SunOS:5.*:*)
 422         SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
 423         GUESS=sparc-hal-solaris2$SUN_REL
 424         ;;
 425     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
 426         SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
 427         GUESS=sparc-sun-solaris2$SUN_REL
 428         ;;
 429     i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
 430         GUESS=i386-pc-auroraux$UNAME_RELEASE
 431         ;;
 432     i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
 433         set_cc_for_build
 434         SUN_ARCH=i386
 435         # If there is a compiler, see if it is configured for 64-bit objects.
 436         # Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
 437         # This test works for both compilers.
 438         if test "$CC_FOR_BUILD" != no_compiler_found; then
 439             if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
 440                 (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
 441                 grep IS_64BIT_ARCH >/dev/null
 442             then
 443                 SUN_ARCH=x86_64
 444             fi
 445         fi
 446         SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
 447         GUESS=$SUN_ARCH-pc-solaris2$SUN_REL
 448         ;;
 449     sun4*:SunOS:6*:*)
 450         # According to config.sub, this is the proper way to canonicalize
 451         # SunOS6.  Hard to guess exactly what SunOS6 will be like, but
 452         # it's likely to be more like Solaris than SunOS4.
 453         SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
 454         GUESS=sparc-sun-solaris3$SUN_REL
 455         ;;
 456     sun4*:SunOS:*:*)
 457         case `/usr/bin/arch -k` in
 458             Series*|S4*)
 459                 UNAME_RELEASE=`uname -v`
 460                 ;;
 461         esac
 462         # Japanese Language versions have a version number like `4.1.3-JL'.
 463         SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/-/_/'`
 464         GUESS=sparc-sun-sunos$SUN_REL
 465         ;;
 466     sun3*:SunOS:*:*)
 467         GUESS=m68k-sun-sunos$UNAME_RELEASE
 468         ;;
 469     sun*:*:4.2BSD:*)
 470         UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
 471         test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3
 472         case `/bin/arch` in
 473             sun3)
 474                 GUESS=m68k-sun-sunos$UNAME_RELEASE
 475                 ;;
 476             sun4)
 477                 GUESS=sparc-sun-sunos$UNAME_RELEASE
 478                 ;;
 479         esac
 480         ;;
 481     aushp:SunOS:*:*)
 482         GUESS=sparc-auspex-sunos$UNAME_RELEASE
 483         ;;
 484     # The situation for MiNT is a little confusing.  The machine name
 485     # can be virtually everything (everything which is not
 486     # "atarist" or "atariste" at least should have a processor
 487     # > m68000).  The system name ranges from "MiNT" over "FreeMiNT"
 488     # to the lowercase version "mint" (or "freemint").  Finally
 489     # the system name "TOS" denotes a system which is actually not
 490     # MiNT.  But MiNT is downward compatible to TOS, so this should
 491     # be no problem.
 492     atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
 493         GUESS=m68k-atari-mint$UNAME_RELEASE
 494         ;;
 495     atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
 496         GUESS=m68k-atari-mint$UNAME_RELEASE
 497         ;;
 498     *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
 499         GUESS=m68k-atari-mint$UNAME_RELEASE
 500         ;;
 501     milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
 502         GUESS=m68k-milan-mint$UNAME_RELEASE
 503         ;;
 504     hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
 505         GUESS=m68k-hades-mint$UNAME_RELEASE
 506         ;;
 507     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
 508         GUESS=m68k-unknown-mint$UNAME_RELEASE
 509         ;;
 510     m68k:machten:*:*)
 511         GUESS=m68k-apple-machten$UNAME_RELEASE
 512         ;;
 513     powerpc:machten:*:*)
 514         GUESS=powerpc-apple-machten$UNAME_RELEASE
 515         ;;
 516     RISC*:Mach:*:*)
 517         GUESS=mips-dec-mach_bsd4.3
 518         ;;
 519     RISC*:ULTRIX:*:*)
 520         GUESS=mips-dec-ultrix$UNAME_RELEASE
 521         ;;
 522     VAX*:ULTRIX*:*:*)
 523         GUESS=vax-dec-ultrix$UNAME_RELEASE
 524         ;;
 525     2020:CLIX:*:* | 2430:CLIX:*:*)
 526         GUESS=clipper-intergraph-clix$UNAME_RELEASE
 527         ;;
 528     mips:*:*:UMIPS | mips:*:*:RISCos)
 529         set_cc_for_build
 530         sed 's/^        //' << EOF > "$dummy.c"
 531 #ifdef __cplusplus
 532 #include <stdio.h>  /* for printf() prototype */
 533         int main (int argc, char *argv[]) {
 534 #else
 535         int main (argc, argv) int argc; char *argv[]; {
 536 #endif
 537         #if defined (host_mips) && defined (MIPSEB)
 538         #if defined (SYSTYPE_SYSV)
 539           printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0);
 540         #endif
 541         #if defined (SYSTYPE_SVR4)
 542           printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0);
 543         #endif
 544         #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
 545           printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0);
 546         #endif
 547         #endif
 548           exit (-1);
 549         }
 550 EOF
 551         $CC_FOR_BUILD -o "$dummy" "$dummy.c" &&
 552           dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` &&
 553           SYSTEM_NAME=`"$dummy" "$dummyarg"` &&
 554             { echo "$SYSTEM_NAME"; exit; }
 555         GUESS=mips-mips-riscos$UNAME_RELEASE
 556         ;;
 557     Motorola:PowerMAX_OS:*:*)
 558         GUESS=powerpc-motorola-powermax
 559         ;;
 560     Motorola:*:4.3:PL8-*)
 561         GUESS=powerpc-harris-powermax
 562         ;;
 563     Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
 564         GUESS=powerpc-harris-powermax
 565         ;;
 566     Night_Hawk:Power_UNIX:*:*)
 567         GUESS=powerpc-harris-powerunix
 568         ;;
 569     m88k:CX/UX:7*:*)
 570         GUESS=m88k-harris-cxux7
 571         ;;
 572     m88k:*:4*:R4*)
 573         GUESS=m88k-motorola-sysv4
 574         ;;
 575     m88k:*:3*:R3*)
 576         GUESS=m88k-motorola-sysv3
 577         ;;
 578     AViiON:dgux:*:*)
 579         # DG/UX returns AViiON for all architectures
 580         UNAME_PROCESSOR=`/usr/bin/uname -p`
 581         if test "$UNAME_PROCESSOR" = mc88100 || test "$UNAME_PROCESSOR" = mc88110
 582         then
 583             if test "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx || \
 584                test "$TARGET_BINARY_INTERFACE"x = x
 585             then
 586                 GUESS=m88k-dg-dgux$UNAME_RELEASE
 587             else
 588                 GUESS=m88k-dg-dguxbcs$UNAME_RELEASE
 589             fi
 590         else
 591             GUESS=i586-dg-dgux$UNAME_RELEASE
 592         fi
 593         ;;
 594     M88*:DolphinOS:*:*) # DolphinOS (SVR3)
 595         GUESS=m88k-dolphin-sysv3
 596         ;;
 597     M88*:*:R3*:*)
 598         # Delta 88k system running SVR3
 599         GUESS=m88k-motorola-sysv3
 600         ;;
 601     XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
 602         GUESS=m88k-tektronix-sysv3
 603         ;;
 604     Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
 605         GUESS=m68k-tektronix-bsd
 606         ;;
 607     *:IRIX*:*:*)
 608         IRIX_REL=`echo "$UNAME_RELEASE" | sed -e 's/-/_/g'`
 609         GUESS=mips-sgi-irix$IRIX_REL
 610         ;;
 611     ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
 612         GUESS=romp-ibm-aix    # uname -m gives an 8 hex-code CPU id
 613         ;;                    # Note that: echo "'`uname -s`'" gives 'AIX '
 614     i*86:AIX:*:*)
 615         GUESS=i386-ibm-aix
 616         ;;
 617     ia64:AIX:*:*)
 618         if test -x /usr/bin/oslevel ; then
 619                 IBM_REV=`/usr/bin/oslevel`
 620         else
 621                 IBM_REV=$UNAME_VERSION.$UNAME_RELEASE
 622         fi
 623         GUESS=$UNAME_MACHINE-ibm-aix$IBM_REV
 624         ;;
 625     *:AIX:2:3)
 626         if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
 627                 set_cc_for_build
 628                 sed 's/^                //' << EOF > "$dummy.c"
 629                 #include <sys/systemcfg.h>
 630
 631                 main()
 632                         {
 633                         if (!__power_pc())
 634                                 exit(1);
 635                         puts("powerpc-ibm-aix3.2.5");
 636                         exit(0);
 637                         }
 638 EOF
 639                 if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"`
 640                 then
 641                         GUESS=$SYSTEM_NAME
 642                 else
 643                         GUESS=rs6000-ibm-aix3.2.5
 644                 fi
 645         elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
 646                 GUESS=rs6000-ibm-aix3.2.4
 647         else
 648                 GUESS=rs6000-ibm-aix3.2
 649         fi
 650         ;;
 651     *:AIX:*:[4567])
 652         IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
 653         if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then
 654                 IBM_ARCH=rs6000
 655         else
 656                 IBM_ARCH=powerpc
 657         fi
 658         if test -x /usr/bin/lslpp ; then
 659                 IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | \
 660                            awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
 661         else
 662                 IBM_REV=$UNAME_VERSION.$UNAME_RELEASE
 663         fi
 664         GUESS=$IBM_ARCH-ibm-aix$IBM_REV
 665         ;;
 666     *:AIX:*:*)
 667         GUESS=rs6000-ibm-aix
 668         ;;
 669     ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*)
 670         GUESS=romp-ibm-bsd4.4
 671         ;;
 672     ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
 673         GUESS=romp-ibm-bsd$UNAME_RELEASE    # 4.3 with uname added to
 674         ;;                                  # report: romp-ibm BSD 4.3
 675     *:BOSX:*:*)
 676         GUESS=rs6000-bull-bosx
 677         ;;
 678     DPX/2?00:B.O.S.:*:*)
 679         GUESS=m68k-bull-sysv3
 680         ;;
 681     9000/[34]??:4.3bsd:1.*:*)
 682         GUESS=m68k-hp-bsd
 683         ;;
 684     hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
 685         GUESS=m68k-hp-bsd4.4
 686         ;;
 687     9000/[34678]??:HP-UX:*:*)
 688         HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'`
 689         case $UNAME_MACHINE in
 690             9000/31?)            HP_ARCH=m68000 ;;
 691             9000/[34]??)         HP_ARCH=m68k ;;
 692             9000/[678][0-9][0-9])
 693                 if test -x /usr/bin/getconf; then
 694                     sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
 695                     sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
 696                     case $sc_cpu_version in
 697                       523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
 698                       528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
 699                       532)                      # CPU_PA_RISC2_0
 700                         case $sc_kernel_bits in
 701                           32) HP_ARCH=hppa2.0n ;;
 702                           64) HP_ARCH=hppa2.0w ;;
 703                           '') HP_ARCH=hppa2.0 ;;   # HP-UX 10.20
 704                         esac ;;
 705                     esac
 706                 fi
 707                 if test "$HP_ARCH" = ""; then
 708                     set_cc_for_build
 709                     sed 's/^            //' << EOF > "$dummy.c"
 710
 711                 #define _HPUX_SOURCE
 712                 #include <stdlib.h>
 713                 #include <unistd.h>
 714
 715                 int main ()
 716                 {
 717                 #if defined(_SC_KERNEL_BITS)
 718                     long bits = sysconf(_SC_KERNEL_BITS);
 719                 #endif
 720                     long cpu  = sysconf (_SC_CPU_VERSION);
 721
 722                     switch (cpu)
 723                         {
 724                         case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
 725                         case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
 726                         case CPU_PA_RISC2_0:
 727                 #if defined(_SC_KERNEL_BITS)
 728                             switch (bits)
 729                                 {
 730                                 case 64: puts ("hppa2.0w"); break;
 731                                 case 32: puts ("hppa2.0n"); break;
 732                                 default: puts ("hppa2.0"); break;
 733                                 } break;
 734                 #else  /* !defined(_SC_KERNEL_BITS) */
 735                             puts ("hppa2.0"); break;
 736                 #endif
 737                         default: puts ("hppa1.0"); break;
 738                         }
 739                     exit (0);
 740                 }
 741 EOF
 742                     (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"`
 743                     test -z "$HP_ARCH" && HP_ARCH=hppa
 744                 fi ;;
 745         esac
 746         if test "$HP_ARCH" = hppa2.0w
 747         then
 748             set_cc_for_build
 749
 750             # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
 751             # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
 752             # generating 64-bit code.  GNU and HP use different nomenclature:
 753             #
 754             # $ CC_FOR_BUILD=cc ./config.guess
 755             # => hppa2.0w-hp-hpux11.23
 756             # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
 757             # => hppa64-hp-hpux11.23
 758
 759             if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) |
 760                 grep -q __LP64__
 761             then
 762                 HP_ARCH=hppa2.0w
 763             else
 764                 HP_ARCH=hppa64
 765             fi
 766         fi
 767         GUESS=$HP_ARCH-hp-hpux$HPUX_REV
 768         ;;
 769     ia64:HP-UX:*:*)
 770         HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'`
 771         GUESS=ia64-hp-hpux$HPUX_REV
 772         ;;
 773     3050*:HI-UX:*:*)
 774         set_cc_for_build
 775         sed 's/^        //' << EOF > "$dummy.c"
 776         #include <unistd.h>
 777         int
 778         main ()
 779         {
 780           long cpu = sysconf (_SC_CPU_VERSION);
 781           /* The order matters, because CPU_IS_HP_MC68K erroneously returns
 782              true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
 783              results, however.  */
 784           if (CPU_IS_PA_RISC (cpu))
 785             {
 786               switch (cpu)
 787                 {
 788                   case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
 789                   case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
 790                   case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
 791                   default: puts ("hppa-hitachi-hiuxwe2"); break;
 792                 }
 793             }
 794           else if (CPU_IS_HP_MC68K (cpu))
 795             puts ("m68k-hitachi-hiuxwe2");
 796           else puts ("unknown-hitachi-hiuxwe2");
 797           exit (0);
 798         }
 799 EOF
 800         $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` &&
 801                 { echo "$SYSTEM_NAME"; exit; }
 802         GUESS=unknown-hitachi-hiuxwe2
 803         ;;
 804     9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*)
 805         GUESS=hppa1.1-hp-bsd
 806         ;;
 807     9000/8??:4.3bsd:*:*)
 808         GUESS=hppa1.0-hp-bsd
 809         ;;
 810     *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
 811         GUESS=hppa1.0-hp-mpeix
 812         ;;
 813     hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*)
 814         GUESS=hppa1.1-hp-osf
 815         ;;
 816     hp8??:OSF1:*:*)
 817         GUESS=hppa1.0-hp-osf
 818         ;;
 819     i*86:OSF1:*:*)
 820         if test -x /usr/sbin/sysversion ; then
 821             GUESS=$UNAME_MACHINE-unknown-osf1mk
 822         else
 823             GUESS=$UNAME_MACHINE-unknown-osf1
 824         fi
 825         ;;
 826     parisc*:Lites*:*:*)
 827         GUESS=hppa1.1-hp-lites
 828         ;;
 829     C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
 830         GUESS=c1-convex-bsd
 831         ;;
 832     C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
 833         if getsysinfo -f scalar_acc
 834         then echo c32-convex-bsd
 835         else echo c2-convex-bsd
 836         fi
 837         exit ;;
 838     C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
 839         GUESS=c34-convex-bsd
 840         ;;
 841     C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
 842         GUESS=c38-convex-bsd
 843         ;;
 844     C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
 845         GUESS=c4-convex-bsd
 846         ;;
 847     CRAY*Y-MP:*:*:*)
 848         CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
 849         GUESS=ymp-cray-unicos$CRAY_REL
 850         ;;
 851     CRAY*[A-Z]90:*:*:*)
 852         echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \
 853         | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
 854               -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
 855               -e 's/\.[^.]*$/.X/'
 856         exit ;;
 857     CRAY*TS:*:*:*)
 858         CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
 859         GUESS=t90-cray-unicos$CRAY_REL
 860         ;;
 861     CRAY*T3E:*:*:*)
 862         CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
 863         GUESS=alphaev5-cray-unicosmk$CRAY_REL
 864         ;;
 865     CRAY*SV1:*:*:*)
 866         CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
 867         GUESS=sv1-cray-unicos$CRAY_REL
 868         ;;
 869     *:UNICOS/mp:*:*)
 870         CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
 871         GUESS=craynv-cray-unicosmp$CRAY_REL
 872         ;;
 873     F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
 874         FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
 875         FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
 876         FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'`
 877         GUESS=${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}
 878         ;;
 879     5000:UNIX_System_V:4.*:*)
 880         FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
 881         FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
 882         GUESS=sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}
 883         ;;
 884     i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
 885         GUESS=$UNAME_MACHINE-pc-bsdi$UNAME_RELEASE
 886         ;;
 887     sparc*:BSD/OS:*:*)
 888         GUESS=sparc-unknown-bsdi$UNAME_RELEASE
 889         ;;
 890     *:BSD/OS:*:*)
 891         GUESS=$UNAME_MACHINE-unknown-bsdi$UNAME_RELEASE
 892         ;;
 893     arm:FreeBSD:*:*)
 894         UNAME_PROCESSOR=`uname -p`
 895         set_cc_for_build
 896         if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
 897             | grep -q __ARM_PCS_VFP
 898         then
 899             FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
 900             GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabi
 901         else
 902             FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
 903             GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabihf
 904         fi
 905         ;;
 906     *:FreeBSD:*:*)
 907         UNAME_PROCESSOR=`/usr/bin/uname -p`
 908         case $UNAME_PROCESSOR in
 909             amd64)
 910                 UNAME_PROCESSOR=x86_64 ;;
 911             i386)
 912                 UNAME_PROCESSOR=i586 ;;
 913         esac
 914         FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
 915         GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL
 916         ;;
 917     i*:CYGWIN*:*)
 918         GUESS=$UNAME_MACHINE-pc-cygwin
 919         ;;
 920     *:MINGW64*:*)
 921         GUESS=$UNAME_MACHINE-pc-mingw64
 922         ;;
 923     *:MINGW*:*)
 924         GUESS=$UNAME_MACHINE-pc-mingw32
 925         ;;
 926     *:MSYS*:*)
 927         GUESS=$UNAME_MACHINE-pc-msys
 928         ;;
 929     i*:PW*:*)
 930         GUESS=$UNAME_MACHINE-pc-pw32
 931         ;;
 932     *:Interix*:*)
 933         case $UNAME_MACHINE in
 934             x86)
 935                 GUESS=i586-pc-interix$UNAME_RELEASE
 936                 ;;
 937             authenticamd | genuineintel | EM64T)
 938                 GUESS=x86_64-unknown-interix$UNAME_RELEASE
 939                 ;;
 940             IA64)
 941                 GUESS=ia64-unknown-interix$UNAME_RELEASE
 942                 ;;
 943         esac ;;
 944     i*:UWIN*:*)
 945         GUESS=$UNAME_MACHINE-pc-uwin
 946         ;;
 947     amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
 948         GUESS=x86_64-pc-cygwin
 949         ;;
 950     prep*:SunOS:5.*:*)
 951         SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
 952         GUESS=powerpcle-unknown-solaris2$SUN_REL
 953         ;;
 954     *:GNU:*:*)
 955         # the GNU system
 956         GNU_ARCH=`echo "$UNAME_MACHINE" | sed -e 's,[-/].*$,,'`
 957         GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's,/.*$,,'`
 958         GUESS=$GNU_ARCH-unknown-$LIBC$GNU_REL
 959         ;;
 960     *:GNU/*:*:*)
 961         # other systems with GNU libc and userland
 962         GNU_SYS=`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"`
 963         GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
 964         GUESS=$UNAME_MACHINE-unknown-$GNU_SYS$GNU_REL-$LIBC
 965         ;;
 966     *:Minix:*:*)
 967         GUESS=$UNAME_MACHINE-unknown-minix
 968         ;;
 969     aarch64:Linux:*:*)
 970         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
 971         ;;
 972     aarch64_be:Linux:*:*)
 973         UNAME_MACHINE=aarch64_be
 974         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
 975         ;;
 976     alpha:Linux:*:*)
 977         case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in
 978           EV5)   UNAME_MACHINE=alphaev5 ;;
 979           EV56)  UNAME_MACHINE=alphaev56 ;;
 980           PCA56) UNAME_MACHINE=alphapca56 ;;
 981           PCA57) UNAME_MACHINE=alphapca56 ;;
 982           EV6)   UNAME_MACHINE=alphaev6 ;;
 983           EV67)  UNAME_MACHINE=alphaev67 ;;
 984           EV68*) UNAME_MACHINE=alphaev68 ;;
 985         esac
 986         objdump --private-headers /bin/sh | grep -q ld.so.1
 987         if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
 988         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
 989         ;;
 990     arc:Linux:*:* | arceb:Linux:*:* | arc32:Linux:*:* | arc64:Linux:*:*)
 991         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
 992         ;;
 993     arm*:Linux:*:*)
 994         set_cc_for_build
 995         if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
 996             | grep -q __ARM_EABI__
 997         then
 998             GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
 999         else
1000             if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
1001                 | grep -q __ARM_PCS_VFP
1002             then
1003                 GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabi
1004             else
1005                 GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabihf
1006             fi
1007         fi
1008         ;;
1009     avr32*:Linux:*:*)
1010         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1011         ;;
1012     cris:Linux:*:*)
1013         GUESS=$UNAME_MACHINE-axis-linux-$LIBC
1014         ;;
1015     crisv32:Linux:*:*)
1016         GUESS=$UNAME_MACHINE-axis-linux-$LIBC
1017         ;;
1018     e2k:Linux:*:*)
1019         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1020         ;;
1021     frv:Linux:*:*)
1022         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1023         ;;
1024     hexagon:Linux:*:*)
1025         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1026         ;;
1027     i*86:Linux:*:*)
1028         GUESS=$UNAME_MACHINE-pc-linux-$LIBC
1029         ;;
1030     ia64:Linux:*:*)
1031         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1032         ;;
1033     k1om:Linux:*:*)
1034         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1035         ;;
1036     loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*)
1037         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1038         ;;
1039     m32r*:Linux:*:*)
1040         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1041         ;;
1042     m68*:Linux:*:*)
1043         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1044         ;;
1045     mips:Linux:*:* | mips64:Linux:*:*)
1046         set_cc_for_build
1047         IS_GLIBC=0
1048         test x"${LIBC}" = xgnu && IS_GLIBC=1
1049         sed 's/^        //' << EOF > "$dummy.c"
1050         #undef CPU
1051         #undef mips
1052         #undef mipsel
1053         #undef mips64
1054         #undef mips64el
1055         #if ${IS_GLIBC} && defined(_ABI64)
1056         LIBCABI=gnuabi64
1057         #else
1058         #if ${IS_GLIBC} && defined(_ABIN32)
1059         LIBCABI=gnuabin32
1060         #else
1061         LIBCABI=${LIBC}
1062         #endif
1063         #endif
1064
1065         #if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
1066         CPU=mipsisa64r6
1067         #else
1068         #if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
1069         CPU=mipsisa32r6
1070         #else
1071         #if defined(__mips64)
1072         CPU=mips64
1073         #else
1074         CPU=mips
1075         #endif
1076         #endif
1077         #endif
1078
1079         #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
1080         MIPS_ENDIAN=el
1081         #else
1082         #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
1083         MIPS_ENDIAN=
1084         #else
1085         MIPS_ENDIAN=
1086         #endif
1087         #endif
1088 EOF
1089         cc_set_vars=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI'`
1090         eval "$cc_set_vars"
1091         test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; }
1092         ;;
1093     mips64el:Linux:*:*)
1094         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1095         ;;
1096     openrisc*:Linux:*:*)
1097         GUESS=or1k-unknown-linux-$LIBC
1098         ;;
1099     or32:Linux:*:* | or1k*:Linux:*:*)
1100         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1101         ;;
1102     padre:Linux:*:*)
1103         GUESS=sparc-unknown-linux-$LIBC
1104         ;;
1105     parisc64:Linux:*:* | hppa64:Linux:*:*)
1106         GUESS=hppa64-unknown-linux-$LIBC
1107         ;;
1108     parisc:Linux:*:* | hppa:Linux:*:*)
1109         # Look for CPU level
1110         case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
1111           PA7*) GUESS=hppa1.1-unknown-linux-$LIBC ;;
1112           PA8*) GUESS=hppa2.0-unknown-linux-$LIBC ;;
1113           *)    GUESS=hppa-unknown-linux-$LIBC ;;
1114         esac
1115         ;;
1116     ppc64:Linux:*:*)
1117         GUESS=powerpc64-unknown-linux-$LIBC
1118         ;;
1119     ppc:Linux:*:*)
1120         GUESS=powerpc-unknown-linux-$LIBC
1121         ;;
1122     ppc64le:Linux:*:*)
1123         GUESS=powerpc64le-unknown-linux-$LIBC
1124         ;;
1125     ppcle:Linux:*:*)
1126         GUESS=powerpcle-unknown-linux-$LIBC
1127         ;;
1128     riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*)
1129         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1130         ;;
1131     s390:Linux:*:* | s390x:Linux:*:*)
1132         GUESS=$UNAME_MACHINE-ibm-linux-$LIBC
1133         ;;
1134     sh64*:Linux:*:*)
1135         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1136         ;;
1137     sh*:Linux:*:*)
1138         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1139         ;;
1140     sparc:Linux:*:* | sparc64:Linux:*:*)
1141         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1142         ;;
1143     tile*:Linux:*:*)
1144         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1145         ;;
1146     vax:Linux:*:*)
1147         GUESS=$UNAME_MACHINE-dec-linux-$LIBC
1148         ;;
1149     x86_64:Linux:*:*)
1150         set_cc_for_build
1151         LIBCABI=$LIBC
1152         if test "$CC_FOR_BUILD" != no_compiler_found; then
1153             if (echo '#ifdef __ILP32__'; echo IS_X32; echo '#endif') | \
1154                 (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
1155                 grep IS_X32 >/dev/null
1156             then
1157                 LIBCABI=${LIBC}x32
1158             fi
1159         fi
1160         GUESS=$UNAME_MACHINE-pc-linux-$LIBCABI
1161         ;;
1162     xtensa*:Linux:*:*)
1163         GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
1164         ;;
1165     i*86:DYNIX/ptx:4*:*)
1166         # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
1167         # earlier versions are messed up and put the nodename in both
1168         # sysname and nodename.
1169         GUESS=i386-sequent-sysv4
1170         ;;
1171     i*86:UNIX_SV:4.2MP:2.*)
1172         # Unixware is an offshoot of SVR4, but it has its own version
1173         # number series starting with 2...
1174         # I am not positive that other SVR4 systems won't match this,
1175         # I just have to hope.  -- rms.
1176         # Use sysv4.2uw... so that sysv4* matches it.
1177         GUESS=$UNAME_MACHINE-pc-sysv4.2uw$UNAME_VERSION
1178         ;;
1179     i*86:OS/2:*:*)
1180         # If we were able to find `uname', then EMX Unix compatibility
1181         # is probably installed.
1182         GUESS=$UNAME_MACHINE-pc-os2-emx
1183         ;;
1184     i*86:XTS-300:*:STOP)
1185         GUESS=$UNAME_MACHINE-unknown-stop
1186         ;;
1187     i*86:atheos:*:*)
1188         GUESS=$UNAME_MACHINE-unknown-atheos
1189         ;;
1190     i*86:syllable:*:*)
1191         GUESS=$UNAME_MACHINE-pc-syllable
1192         ;;
1193     i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
1194         GUESS=i386-unknown-lynxos$UNAME_RELEASE
1195         ;;
1196     i*86:*DOS:*:*)
1197         GUESS=$UNAME_MACHINE-pc-msdosdjgpp
1198         ;;
1199     i*86:*:4.*:*)
1200         UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'`
1201         if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
1202                 GUESS=$UNAME_MACHINE-univel-sysv$UNAME_REL
1203         else
1204                 GUESS=$UNAME_MACHINE-pc-sysv$UNAME_REL
1205         fi
1206         ;;
1207     i*86:*:5:[678]*)
1208         # UnixWare 7.x, OpenUNIX and OpenServer 6.
1209         case `/bin/uname -X | grep "^Machine"` in
1210             *486*)           UNAME_MACHINE=i486 ;;
1211             *Pentium)        UNAME_MACHINE=i586 ;;
1212             *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
1213         esac
1214         GUESS=$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
1215         ;;
1216     i*86:*:3.2:*)
1217         if test -f /usr/options/cb.name; then
1218                 UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
1219                 GUESS=$UNAME_MACHINE-pc-isc$UNAME_REL
1220         elif /bin/uname -X 2>/dev/null >/dev/null ; then
1221                 UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
1222                 (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
1223                 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
1224                         && UNAME_MACHINE=i586
1225                 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
1226                         && UNAME_MACHINE=i686
1227                 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
1228                         && UNAME_MACHINE=i686
1229                 GUESS=$UNAME_MACHINE-pc-sco$UNAME_REL
1230         else
1231                 GUESS=$UNAME_MACHINE-pc-sysv32
1232         fi
1233         ;;
1234     pc:*:*:*)
1235         # Left here for compatibility:
1236         # uname -m prints for DJGPP always 'pc', but it prints nothing about
1237         # the processor, so we play safe by assuming i586.
1238         # Note: whatever this is, it MUST be the same as what config.sub
1239         # prints for the "djgpp" host, or else GDB configure will decide that
1240         # this is a cross-build.
1241         GUESS=i586-pc-msdosdjgpp
1242         ;;
1243     Intel:Mach:3*:*)
1244         GUESS=i386-pc-mach3
1245         ;;
1246     paragon:*:*:*)
1247         GUESS=i860-intel-osf1
1248         ;;
1249     i860:*:4.*:*) # i860-SVR4
1250         if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
1251           GUESS=i860-stardent-sysv$UNAME_RELEASE    # Stardent Vistra i860-SVR4
1252         else # Add other i860-SVR4 vendors below as they are discovered.
1253           GUESS=i860-unknown-sysv$UNAME_RELEASE     # Unknown i860-SVR4
1254         fi
1255         ;;
1256     mini*:CTIX:SYS*5:*)
1257         # "miniframe"
1258         GUESS=m68010-convergent-sysv
1259         ;;
1260     mc68k:UNIX:SYSTEM5:3.51m)
1261         GUESS=m68k-convergent-sysv
1262         ;;
1263     M680?0:D-NIX:5.3:*)
1264         GUESS=m68k-diab-dnix
1265         ;;
1266     M68*:*:R3V[5678]*:*)
1267         test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
1268     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)
1269         OS_REL=''
1270         test -r /etc/.relid \
1271         && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
1272         /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1273           && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
1274         /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
1275           && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
1276     3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
1277         /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1278           && { echo i486-ncr-sysv4; exit; } ;;
1279     NCR*:*:4.2:* | MPRAS*:*:4.2:*)
1280         OS_REL='.3'
1281         test -r /etc/.relid \
1282             && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
1283         /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1284             && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
1285         /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
1286             && { echo i586-ncr-sysv4.3"$OS_REL"; exit; }
1287         /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
1288             && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
1289     m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
1290         GUESS=m68k-unknown-lynxos$UNAME_RELEASE
1291         ;;
1292     mc68030:UNIX_System_V:4.*:*)
1293         GUESS=m68k-atari-sysv4
1294         ;;
1295     TSUNAMI:LynxOS:2.*:*)
1296         GUESS=sparc-unknown-lynxos$UNAME_RELEASE
1297         ;;
1298     rs6000:LynxOS:2.*:*)
1299         GUESS=rs6000-unknown-lynxos$UNAME_RELEASE
1300         ;;
1301     PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
1302         GUESS=powerpc-unknown-lynxos$UNAME_RELEASE
1303         ;;
1304     SM[BE]S:UNIX_SV:*:*)
1305         GUESS=mips-dde-sysv$UNAME_RELEASE
1306         ;;
1307     RM*:ReliantUNIX-*:*:*)
1308         GUESS=mips-sni-sysv4
1309         ;;
1310     RM*:SINIX-*:*:*)
1311         GUESS=mips-sni-sysv4
1312         ;;
1313     *:SINIX-*:*:*)
1314         if uname -p 2>/dev/null >/dev/null ; then
1315                 UNAME_MACHINE=`(uname -p) 2>/dev/null`
1316                 GUESS=$UNAME_MACHINE-sni-sysv4
1317         else
1318                 GUESS=ns32k-sni-sysv
1319         fi
1320         ;;
1321     PENTIUM:*:4.0*:*)   # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
1322                         # says <Richard.M.Bartel@ccMail.Census.GOV>
1323         GUESS=i586-unisys-sysv4
1324         ;;
1325     *:UNIX_System_V:4*:FTX*)
1326         # From Gerald Hewes <hewes@openmarket.com>.
1327         # How about differentiating between stratus architectures? -djm
1328         GUESS=hppa1.1-stratus-sysv4
1329         ;;
1330     *:*:*:FTX*)
1331         # From seanf@swdc.stratus.com.
1332         GUESS=i860-stratus-sysv4
1333         ;;
1334     i*86:VOS:*:*)
1335         # From Paul.Green@stratus.com.
1336         GUESS=$UNAME_MACHINE-stratus-vos
1337         ;;
1338     *:VOS:*:*)
1339         # From Paul.Green@stratus.com.
1340         GUESS=hppa1.1-stratus-vos
1341         ;;
1342     mc68*:A/UX:*:*)
1343         GUESS=m68k-apple-aux$UNAME_RELEASE
1344         ;;
1345     news*:NEWS-OS:6*:*)
1346         GUESS=mips-sony-newsos6
1347         ;;
1348     R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
1349         if test -d /usr/nec; then
1350                 GUESS=mips-nec-sysv$UNAME_RELEASE
1351         else
1352                 GUESS=mips-unknown-sysv$UNAME_RELEASE
1353         fi
1354         ;;
1355     BeBox:BeOS:*:*)     # BeOS running on hardware made by Be, PPC only.
1356         GUESS=powerpc-be-beos
1357         ;;
1358     BeMac:BeOS:*:*)     # BeOS running on Mac or Mac clone, PPC only.
1359         GUESS=powerpc-apple-beos
1360         ;;
1361     BePC:BeOS:*:*)      # BeOS running on Intel PC compatible.
1362         GUESS=i586-pc-beos
1363         ;;
1364     BePC:Haiku:*:*)     # Haiku running on Intel PC compatible.
1365         GUESS=i586-pc-haiku
1366         ;;
1367     x86_64:Haiku:*:*)
1368         GUESS=x86_64-unknown-haiku
1369         ;;
1370     SX-4:SUPER-UX:*:*)
1371         GUESS=sx4-nec-superux$UNAME_RELEASE
1372         ;;
1373     SX-5:SUPER-UX:*:*)
1374         GUESS=sx5-nec-superux$UNAME_RELEASE
1375         ;;
1376     SX-6:SUPER-UX:*:*)
1377         GUESS=sx6-nec-superux$UNAME_RELEASE
1378         ;;
1379     SX-7:SUPER-UX:*:*)
1380         GUESS=sx7-nec-superux$UNAME_RELEASE
1381         ;;
1382     SX-8:SUPER-UX:*:*)
1383         GUESS=sx8-nec-superux$UNAME_RELEASE
1384         ;;
1385     SX-8R:SUPER-UX:*:*)
1386         GUESS=sx8r-nec-superux$UNAME_RELEASE
1387         ;;
1388     SX-ACE:SUPER-UX:*:*)
1389         GUESS=sxace-nec-superux$UNAME_RELEASE
1390         ;;
1391     Power*:Rhapsody:*:*)
1392         GUESS=powerpc-apple-rhapsody$UNAME_RELEASE
1393         ;;
1394     *:Rhapsody:*:*)
1395         GUESS=$UNAME_MACHINE-apple-rhapsody$UNAME_RELEASE
1396         ;;
1397     arm64:Darwin:*:*)
1398         GUESS=aarch64-apple-darwin$UNAME_RELEASE
1399         ;;
1400     *:Darwin:*:*)
1401         UNAME_PROCESSOR=`uname -p`
1402         case $UNAME_PROCESSOR in
1403             unknown) UNAME_PROCESSOR=powerpc ;;
1404         esac
1405         if command -v xcode-select > /dev/null 2> /dev/null && \
1406                 ! xcode-select --print-path > /dev/null 2> /dev/null ; then
1407             # Avoid executing cc if there is no toolchain installed as
1408             # cc will be a stub that puts up a graphical alert
1409             # prompting the user to install developer tools.
1410             CC_FOR_BUILD=no_compiler_found
1411         else
1412             set_cc_for_build
1413         fi
1414         if test "$CC_FOR_BUILD" != no_compiler_found; then
1415             if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
1416                    (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
1417                    grep IS_64BIT_ARCH >/dev/null
1418             then
1419                 case $UNAME_PROCESSOR in
1420                     i386) UNAME_PROCESSOR=x86_64 ;;
1421                     powerpc) UNAME_PROCESSOR=powerpc64 ;;
1422                 esac
1423             fi
1424             # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc
1425             if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \
1426                    (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
1427                    grep IS_PPC >/dev/null
1428             then
1429                 UNAME_PROCESSOR=powerpc
1430             fi
1431         elif test "$UNAME_PROCESSOR" = i386 ; then
1432             # uname -m returns i386 or x86_64
1433             UNAME_PROCESSOR=$UNAME_MACHINE
1434         fi
1435         GUESS=$UNAME_PROCESSOR-apple-darwin$UNAME_RELEASE
1436         ;;
1437     *:procnto*:*:* | *:QNX:[0123456789]*:*)
1438         UNAME_PROCESSOR=`uname -p`
1439         if test "$UNAME_PROCESSOR" = x86; then
1440                 UNAME_PROCESSOR=i386
1441                 UNAME_MACHINE=pc
1442         fi
1443         GUESS=$UNAME_PROCESSOR-$UNAME_MACHINE-nto-qnx$UNAME_RELEASE
1444         ;;
1445     *:QNX:*:4*)
1446         GUESS=i386-pc-qnx
1447         ;;
1448     NEO-*:NONSTOP_KERNEL:*:*)
1449         GUESS=neo-tandem-nsk$UNAME_RELEASE
1450         ;;
1451     NSE-*:NONSTOP_KERNEL:*:*)
1452         GUESS=nse-tandem-nsk$UNAME_RELEASE
1453         ;;
1454     NSR-*:NONSTOP_KERNEL:*:*)
1455         GUESS=nsr-tandem-nsk$UNAME_RELEASE
1456         ;;
1457     NSV-*:NONSTOP_KERNEL:*:*)
1458         GUESS=nsv-tandem-nsk$UNAME_RELEASE
1459         ;;
1460     NSX-*:NONSTOP_KERNEL:*:*)
1461         GUESS=nsx-tandem-nsk$UNAME_RELEASE
1462         ;;
1463     *:NonStop-UX:*:*)
1464         GUESS=mips-compaq-nonstopux
1465         ;;
1466     BS2000:POSIX*:*:*)
1467         GUESS=bs2000-siemens-sysv
1468         ;;
1469     DS/*:UNIX_System_V:*:*)
1470         GUESS=$UNAME_MACHINE-$UNAME_SYSTEM-$UNAME_RELEASE
1471         ;;
1472     *:Plan9:*:*)
1473         # "uname -m" is not consistent, so use $cputype instead. 386
1474         # is converted to i386 for consistency with other x86
1475         # operating systems.
1476         if test "${cputype-}" = 386; then
1477             UNAME_MACHINE=i386
1478         elif test "x${cputype-}" != x; then
1479             UNAME_MACHINE=$cputype
1480         fi
1481         GUESS=$UNAME_MACHINE-unknown-plan9
1482         ;;
1483     *:TOPS-10:*:*)
1484         GUESS=pdp10-unknown-tops10
1485         ;;
1486     *:TENEX:*:*)
1487         GUESS=pdp10-unknown-tenex
1488         ;;
1489     KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
1490         GUESS=pdp10-dec-tops20
1491         ;;
1492     XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
1493         GUESS=pdp10-xkl-tops20
1494         ;;
1495     *:TOPS-20:*:*)
1496         GUESS=pdp10-unknown-tops20
1497         ;;
1498     *:ITS:*:*)
1499         GUESS=pdp10-unknown-its
1500         ;;
1501     SEI:*:*:SEIUX)
1502         GUESS=mips-sei-seiux$UNAME_RELEASE
1503         ;;
1504     *:DragonFly:*:*)
1505         DRAGONFLY_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
1506         GUESS=$UNAME_MACHINE-unknown-dragonfly$DRAGONFLY_REL
1507         ;;
1508     *:*VMS:*:*)
1509         UNAME_MACHINE=`(uname -p) 2>/dev/null`
1510         case $UNAME_MACHINE in
1511             A*) GUESS=alpha-dec-vms ;;
1512             I*) GUESS=ia64-dec-vms ;;
1513             V*) GUESS=vax-dec-vms ;;
1514         esac ;;
1515     *:XENIX:*:SysV)
1516         GUESS=i386-pc-xenix
1517         ;;
1518     i*86:skyos:*:*)
1519         SKYOS_REL=`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'`
1520         GUESS=$UNAME_MACHINE-pc-skyos$SKYOS_REL
1521         ;;
1522     i*86:rdos:*:*)
1523         GUESS=$UNAME_MACHINE-pc-rdos
1524         ;;
1525     *:AROS:*:*)
1526         GUESS=$UNAME_MACHINE-unknown-aros
1527         ;;
1528     x86_64:VMkernel:*:*)
1529         GUESS=$UNAME_MACHINE-unknown-esx
1530         ;;
1531     amd64:Isilon\ OneFS:*:*)
1532         GUESS=x86_64-unknown-onefs
1533         ;;
1534     *:Unleashed:*:*)
1535         GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE
1536         ;;
1537 esac
1538
1539 # Do we have a guess based on uname results?
1540 if test "x$GUESS" != x; then
1541     echo "$GUESS"
1542     exit
1543 fi
1544
1545 # No uname command or uname output not recognized.
1546 set_cc_for_build
1547 cat > "$dummy.c" <<EOF
1548 #ifdef _SEQUENT_
1549 #include <sys/types.h>
1550 #include <sys/utsname.h>
1551 #endif
1552 #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
1553 #if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
1554 #include <signal.h>
1555 #if defined(_SIZE_T_) || defined(SIGLOST)
1556 #include <sys/utsname.h>
1557 #endif
1558 #endif
1559 #endif
1560 main ()
1561 {
1562 #if defined (sony)
1563 #if defined (MIPSEB)
1564   /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
1565      I don't know....  */
1566   printf ("mips-sony-bsd\n"); exit (0);
1567 #else
1568 #include <sys/param.h>
1569   printf ("m68k-sony-newsos%s\n",
1570 #ifdef NEWSOS4
1571   "4"
1572 #else
1573   ""
1574 #endif
1575   ); exit (0);
1576 #endif
1577 #endif
1578
1579 #if defined (NeXT)
1580 #if !defined (__ARCHITECTURE__)
1581 #define __ARCHITECTURE__ "m68k"
1582 #endif
1583   int version;
1584   version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
1585   if (version < 4)
1586     printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
1587   else
1588     printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
1589   exit (0);
1590 #endif
1591
1592 #if defined (MULTIMAX) || defined (n16)
1593 #if defined (UMAXV)
1594   printf ("ns32k-encore-sysv\n"); exit (0);
1595 #else
1596 #if defined (CMU)
1597   printf ("ns32k-encore-mach\n"); exit (0);
1598 #else
1599   printf ("ns32k-encore-bsd\n"); exit (0);
1600 #endif
1601 #endif
1602 #endif
1603
1604 #if defined (__386BSD__)
1605   printf ("i386-pc-bsd\n"); exit (0);
1606 #endif
1607
1608 #if defined (sequent)
1609 #if defined (i386)
1610   printf ("i386-sequent-dynix\n"); exit (0);
1611 #endif
1612 #if defined (ns32000)
1613   printf ("ns32k-sequent-dynix\n"); exit (0);
1614 #endif
1615 #endif
1616
1617 #if defined (_SEQUENT_)
1618   struct utsname un;
1619
1620   uname(&un);
1621   if (strncmp(un.version, "V2", 2) == 0) {
1622     printf ("i386-sequent-ptx2\n"); exit (0);
1623   }
1624   if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
1625     printf ("i386-sequent-ptx1\n"); exit (0);
1626   }
1627   printf ("i386-sequent-ptx\n"); exit (0);
1628 #endif
1629
1630 #if defined (vax)
1631 #if !defined (ultrix)
1632 #include <sys/param.h>
1633 #if defined (BSD)
1634 #if BSD == 43
1635   printf ("vax-dec-bsd4.3\n"); exit (0);
1636 #else
1637 #if BSD == 199006
1638   printf ("vax-dec-bsd4.3reno\n"); exit (0);
1639 #else
1640   printf ("vax-dec-bsd\n"); exit (0);
1641 #endif
1642 #endif
1643 #else
1644   printf ("vax-dec-bsd\n"); exit (0);
1645 #endif
1646 #else
1647 #if defined(_SIZE_T_) || defined(SIGLOST)
1648   struct utsname un;
1649   uname (&un);
1650   printf ("vax-dec-ultrix%s\n", un.release); exit (0);
1651 #else
1652   printf ("vax-dec-ultrix\n"); exit (0);
1653 #endif
1654 #endif
1655 #endif
1656 #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
1657 #if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
1658 #if defined(_SIZE_T_) || defined(SIGLOST)
1659   struct utsname *un;
1660   uname (&un);
1661   printf ("mips-dec-ultrix%s\n", un.release); exit (0);
1662 #else
1663   printf ("mips-dec-ultrix\n"); exit (0);
1664 #endif
1665 #endif
1666 #endif
1667
1668 #if defined (alliant) && defined (i860)
1669   printf ("i860-alliant-bsd\n"); exit (0);
1670 #endif
1671
1672   exit (1);
1673 }
1674 EOF
1675
1676 $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`"$dummy"` &&
1677         { echo "$SYSTEM_NAME"; exit; }
1678
1679 # Apollos put the system type in the environment.
1680 test -d /usr/apollo && { echo "$ISP-apollo-$SYSTYPE"; exit; }
1681
1682 echo "$0: unable to guess system type" >&2
1683
1684 case $UNAME_MACHINE:$UNAME_SYSTEM in
1685     mips:Linux | mips64:Linux)
1686         # If we got here on MIPS GNU/Linux, output extra information.
1687         cat >&2 <<EOF
1688
1689 NOTE: MIPS GNU/Linux systems require a C compiler to fully recognize
1690 the system type. Please install a C compiler and try again.
1691 EOF
1692         ;;
1693 esac
1694
1695 cat >&2 <<EOF
1696
1697 This script (version $timestamp), has failed to recognize the
1698 operating system you are using. If your script is old, overwrite *all*
1699 copies of config.guess and config.sub with the latest versions from:
1700
1701   https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
1702 and
1703   https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
1704 EOF
1705
1706 our_year=`echo $timestamp | sed 's,-.*,,'`
1707 thisyear=`date +%Y`
1708 # shellcheck disable=SC2003
1709 script_age=`expr "$thisyear" - "$our_year"`
1710 if test "$script_age" -lt 3 ; then
1711    cat >&2 <<EOF
1712
1713 If $0 has already been updated, send the following data and any
1714 information you think might be pertinent to config-patches@gnu.org to
1715 provide the necessary information to handle your system.
1716
1717 config.guess timestamp = $timestamp
1718
1719 uname -m = `(uname -m) 2>/dev/null || echo unknown`
1720 uname -r = `(uname -r) 2>/dev/null || echo unknown`
1721 uname -s = `(uname -s) 2>/dev/null || echo unknown`
1722 uname -v = `(uname -v) 2>/dev/null || echo unknown`
1723
1724 /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
1725 /bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
1726
1727 hostinfo               = `(hostinfo) 2>/dev/null`
1728 /bin/universe          = `(/bin/universe) 2>/dev/null`
1729 /usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
1730 /bin/arch              = `(/bin/arch) 2>/dev/null`
1731 /usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
1732 /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
1733
1734 UNAME_MACHINE = "$UNAME_MACHINE"
1735 UNAME_RELEASE = "$UNAME_RELEASE"
1736 UNAME_SYSTEM  = "$UNAME_SYSTEM"
1737 UNAME_VERSION = "$UNAME_VERSION"
1738 EOF
1739 fi
1740
1741 exit 1
1742
1743 # Local variables:
1744 # eval: (add-hook 'before-save-hook 'time-stamp)
1745 # time-stamp-start: "timestamp='"
1746 # time-stamp-format: "%:y-%02m-%02d"
1747 # time-stamp-end: "'"
1748 # End: