config.guess

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  39 # superseded or lifted in POSIX.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