config.guess

   1 #! /bin/sh
   2 # Attempt to guess a canonical system name.
   3 #   Copyright 1992-2021 Free Software Foundation, Inc.
   4
   5 timestamp='2021-01-25'
   6
   7 # This file is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 # General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, see <https://www.gnu.org/licenses/>.
  19 #
  20 # As a special exception to the GNU General Public License, if you
  21 # distribute this file as part of a program that contains a
  22 # configuration script generated by Autoconf, you may include it under
  23 # the same distribution terms that you use for the rest of that
  24 # program.  This Exception is an additional permission under section 7
  25 # of the GNU General Public License, version 3 ("GPLv3").
  26 #
  27 # Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
  28 #
  29 # You can get the latest version of this script from:
  30 # https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
  31 #
  32 # Please send patches to <config-patches@gnu.org>.
  33
  34
  35 me=$(echo "$0" | sed -e 's,.*/,,')
  36
  37 usage="\
  38 Usage: $0 [OPTION]
  39
  40 Output the configuration name of the system \`$me' is run on.
  41
  42 Options:
  43   -h, --help         print this help, then exit
  44   -t, --time-stamp   print date of last modification, then exit
  45   -v, --version      print version number, then exit
  46
  47 Report bugs and patches to <config-patches@gnu.org>."
  48
  49 version="\
  50 GNU config.guess ($timestamp)
  51
  52 Originally written by Per Bothner.
  53 Copyright 1992-2021 Free Software Foundation, Inc.
  54
  55 This is free software; see the source for copying conditions.  There is NO
  56 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
  57
  58 help="
  59 Try \`$me --help' for more information."
  60
  61 # Parse command line
  62 while test $# -gt 0 ; do
  63   case $1 in
  64     --time-stamp | --time* | -t )
  65        echo "$timestamp" ; exit ;;
  66     --version | -v )
  67        echo "$version" ; exit ;;
  68     --help | --h* | -h )
  69        echo "$usage"; exit ;;
  70     -- )     # Stop option processing
  71        shift; break ;;
  72     - ) # Use stdin as input.
  73        break ;;
  74     -* )
  75        echo "$me: invalid option $1$help" >&2
  76        exit 1 ;;
  77     * )
  78        break ;;
  79   esac
  80 done
  81
  82 if test $# != 0; then
  83   echo "$me: too many arguments$help" >&2
  84   exit 1
  85 fi
  86
  87 # CC_FOR_BUILD -- compiler used by this script. Note that the use of a
  88 # compiler to aid in system detection is discouraged as it requires
  89 # temporary files to be created and, as you can see below, it is a
  90 # headache to deal with in a portable fashion.
  91
  92 # Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
  93 # use `HOST_CC' if defined, but it is deprecated.
  94
  95 # Portable tmp directory creation inspired by the Autoconf team.
  96
  97 tmp=
  98 # shellcheck disable=SC2172
  99 trap 'test -z "$tmp" || rm -fr "$tmp"' 0 1 2 13 15
 100
 101 set_cc_for_build() {
 102     # prevent multiple calls if $tmp is already set
 103     test "$tmp" && return 0
 104     : "${TMPDIR=/tmp}"
 105     # shellcheck disable=SC2039
 106     { tmp=$( (umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null) && test -n "$tmp" && test -d "$tmp" ; } ||
 107         { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir "$tmp" 2>/dev/null) ; } ||
 108         { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir "$tmp" 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } ||
 109         { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; }
 110     dummy=$tmp/dummy
 111     case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in
 112         ,,)    echo "int x;" > "$dummy.c"
 113                for driver in cc gcc c89 c99 ; do
 114                    if ($driver -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
 115                        CC_FOR_BUILD="$driver"
 116                        break
 117                    fi
 118                done
 119                if test x"$CC_FOR_BUILD" = x ; then
 120                    CC_FOR_BUILD=no_compiler_found
 121                fi
 122                ;;
 123         ,,*)   CC_FOR_BUILD=$CC ;;
 124         ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
 125     esac
 126 }
 127
 128 # This is needed to find uname on a Pyramid OSx when run in the BSD universe.
 129 # (ghazi@noc.rutgers.edu 1994-08-24)
 130 if test -f /.attbin/uname ; then
 131         PATH=$PATH:/.attbin ; export PATH
 132 fi
 133
 134 UNAME_MACHINE=$( (uname -m) 2>/dev/null) || UNAME_MACHINE=unknown
 135 UNAME_RELEASE=$( (uname -r) 2>/dev/null) || UNAME_RELEASE=unknown
 136 UNAME_SYSTEM=$( (uname -s) 2>/dev/null) || UNAME_SYSTEM=unknown
 137 UNAME_VERSION=$( (uname -v) 2>/dev/null) || UNAME_VERSION=unknown
 138
 139 case "$UNAME_SYSTEM" in
 140 Linux|GNU|GNU/*)
 141         LIBC=unknown
 142
 143         set_cc_for_build
 144         cat <<-EOF > "$dummy.c"
 145         #include <features.h>
 146         #if defined(__UCLIBC__)
 147         LIBC=uclibc
 148         #elif defined(__dietlibc__)
 149         LIBC=dietlibc
 150         #elif defined(__GLIBC__)
 151         LIBC=gnu
 152         #else
 153         #include <stdarg.h>
 154         /* First heuristic to detect musl libc.  */
 155         #ifdef __DEFINED_va_list
 156         LIBC=musl
 157         #endif
 158         #endif
 159         EOF
 160         eval "$($CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g')"
 161
 162         # Second heuristic to detect musl libc.
 163         if [ "$LIBC" = unknown ] &&
 164            command -v ldd >/dev/null &&
 165            ldd --version 2>&1 | grep -q ^musl; then
 166                 LIBC=musl
 167         fi
 168
 169         # If the system lacks a compiler, then just pick glibc.
 170         # We could probably try harder.
 171         if [ "$LIBC" = unknown ]; then
 172                 LIBC=gnu
 173         fi
 174         ;;
 175 esac
 176
 177 # Note: order is significant - the case branches are not exclusive.
 178
 179 case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
 180     *:NetBSD:*:*)
 181         # NetBSD (nbsd) targets should (where applicable) match one or
 182         # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
 183         # *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
 184         # switched to ELF, *-*-netbsd* would select the old
 185         # object file format.  This provides both forward
 186         # compatibility and a consistent mechanism for selecting the
 187         # object file format.
 188         #
 189         # Note: NetBSD doesn't particularly care about the vendor
 190         # portion of the name.  We always set it to "unknown".
 191         UNAME_MACHINE_ARCH=$( (uname -p 2>/dev/null || \
 192             /sbin/sysctl -n hw.machine_arch 2>/dev/null || \
 193             /usr/sbin/sysctl -n hw.machine_arch 2>/dev/null || \
 194             echo unknown))
 195         case "$UNAME_MACHINE_ARCH" in
 196             aarch64eb) machine=aarch64_be-unknown ;;
 197             armeb) machine=armeb-unknown ;;
 198             arm*) machine=arm-unknown ;;
 199             sh3el) machine=shl-unknown ;;
 200             sh3eb) machine=sh-unknown ;;
 201             sh5el) machine=sh5le-unknown ;;
 202             earmv*)
 203                 arch=$(echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,')
 204                 endian=$(echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p')
 205                 machine="${arch}${endian}"-unknown
 206                 ;;
 207             *) machine="$UNAME_MACHINE_ARCH"-unknown ;;
 208         esac
 209         # The Operating System including object format, if it has switched
 210         # to ELF recently (or will in the future) and ABI.
 211         case "$UNAME_MACHINE_ARCH" in
 212             earm*)
 213                 os=netbsdelf
 214                 ;;
 215             arm*|i386|m68k|ns32k|sh3*|sparc|vax)
 216                 set_cc_for_build
 217                 if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
 218                         | grep -q __ELF__
 219                 then
 220                     # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
 221                     # Return netbsd for either.  FIX?
 222                     os=netbsd
 223                 else
 224                     os=netbsdelf
 225                 fi
 226                 ;;
 227             *)
 228                 os=netbsd
 229                 ;;
 230         esac
 231         # Determine ABI tags.
 232         case "$UNAME_MACHINE_ARCH" in
 233             earm*)
 234                 expr='s/^earmv[0-9]/-eabi/;s/eb$//'
 235                 abi=$(echo "$UNAME_MACHINE_ARCH" | sed -e "$expr")
 236                 ;;
 237         esac
 238         # The OS release
 239         # Debian GNU/NetBSD machines have a different userland, and
 240         # thus, need a distinct triplet. However, they do not need
 241         # kernel version information, so it can be replaced with a
 242         # suitable tag, in the style of linux-gnu.
 243         case "$UNAME_VERSION" in
 244             Debian*)
 245                 release='-gnu'
 246                 ;;
 247             *)
 248                 release=$(echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2)
 249                 ;;
 250         esac
 251         # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
 252         # contains redundant information, the shorter form:
 253         # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
 254         echo "$machine-${os}${release}${abi-}"
 255         exit ;;
 256     *:Bitrig:*:*)
 257         UNAME_MACHINE_ARCH=$(arch | sed 's/Bitrig.//')
 258         echo "$UNAME_MACHINE_ARCH"-unknown-bitrig"$UNAME_RELEASE"
 259         exit ;;
 260     *:OpenBSD:*:*)
 261         UNAME_MACHINE_ARCH=$(arch | sed 's/OpenBSD.//')
 262         echo "$UNAME_MACHINE_ARCH"-unknown-openbsd"$UNAME_RELEASE"
 263         exit ;;
 264     *:LibertyBSD:*:*)
 265         UNAME_MACHINE_ARCH=$(arch | sed 's/^.*BSD\.//')
 266         echo "$UNAME_MACHINE_ARCH"-unknown-libertybsd"$UNAME_RELEASE"
 267         exit ;;
 268     *:MidnightBSD:*:*)
 269         echo "$UNAME_MACHINE"-unknown-midnightbsd"$UNAME_RELEASE"
 270         exit ;;
 271     *:ekkoBSD:*:*)
 272         echo "$UNAME_MACHINE"-unknown-ekkobsd"$UNAME_RELEASE"
 273         exit ;;
 274     *:SolidBSD:*:*)
 275         echo "$UNAME_MACHINE"-unknown-solidbsd"$UNAME_RELEASE"
 276         exit ;;
 277     *:OS108:*:*)
 278         echo "$UNAME_MACHINE"-unknown-os108_"$UNAME_RELEASE"
 279         exit ;;
 280     macppc:MirBSD:*:*)
 281         echo powerpc-unknown-mirbsd"$UNAME_RELEASE"
 282         exit ;;
 283     *:MirBSD:*:*)
 284         echo "$UNAME_MACHINE"-unknown-mirbsd"$UNAME_RELEASE"
 285         exit ;;
 286     *:Sortix:*:*)
 287         echo "$UNAME_MACHINE"-unknown-sortix
 288         exit ;;
 289     *:Twizzler:*:*)
 290         echo "$UNAME_MACHINE"-unknown-twizzler
 291         exit ;;
 292     *:Redox:*:*)
 293         echo "$UNAME_MACHINE"-unknown-redox
 294         exit ;;
 295     mips:OSF1:*.*)
 296         echo mips-dec-osf1
 297         exit ;;
 298     alpha:OSF1:*:*)
 299         case $UNAME_RELEASE in
 300         *4.0)
 301                 UNAME_RELEASE=$(/usr/sbin/sizer -v | awk '{print $3}')
 302                 ;;
 303         *5.*)
 304                 UNAME_RELEASE=$(/usr/sbin/sizer -v | awk '{print $4}')
 305                 ;;
 306         esac
 307         # According to Compaq, /usr/sbin/psrinfo has been available on
 308         # OSF/1 and Tru64 systems produced since 1995.  I hope that
 309         # covers most systems running today.  This code pipes the CPU
 310         # types through head -n 1, so we only detect the type of CPU 0.
 311         ALPHA_CPU_TYPE=$(/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1)
 312         case "$ALPHA_CPU_TYPE" in
 313             "EV4 (21064)")
 314                 UNAME_MACHINE=alpha ;;
 315             "EV4.5 (21064)")
 316                 UNAME_MACHINE=alpha ;;
 317             "LCA4 (21066/21068)")
 318                 UNAME_MACHINE=alpha ;;
 319             "EV5 (21164)")
 320                 UNAME_MACHINE=alphaev5 ;;
 321             "EV5.6 (21164A)")
 322                 UNAME_MACHINE=alphaev56 ;;
 323             "EV5.6 (21164PC)")
 324                 UNAME_MACHINE=alphapca56 ;;
 325             "EV5.7 (21164PC)")
 326                 UNAME_MACHINE=alphapca57 ;;
 327             "EV6 (21264)")
 328                 UNAME_MACHINE=alphaev6 ;;
 329             "EV6.7 (21264A)")
 330                 UNAME_MACHINE=alphaev67 ;;
 331             "EV6.8CB (21264C)")
 332                 UNAME_MACHINE=alphaev68 ;;
 333             "EV6.8AL (21264B)")
 334                 UNAME_MACHINE=alphaev68 ;;
 335             "EV6.8CX (21264D)")
 336                 UNAME_MACHINE=alphaev68 ;;
 337             "EV6.9A (21264/EV69A)")
 338                 UNAME_MACHINE=alphaev69 ;;
 339             "EV7 (21364)")
 340                 UNAME_MACHINE=alphaev7 ;;
 341             "EV7.9 (21364A)")
 342                 UNAME_MACHINE=alphaev79 ;;
 343         esac
 344         # A Pn.n version is a patched version.
 345         # A Vn.n version is a released version.
 346         # A Tn.n version is a released field test version.
 347         # A Xn.n version is an unreleased experimental baselevel.
 348         # 1.2 uses "1.2" for uname -r.
 349         echo "$UNAME_MACHINE"-dec-osf"$(echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz)"
 350         # Reset EXIT trap before exiting to avoid spurious non-zero exit code.
 351         exitcode=$?
 352         trap '' 0
 353         exit $exitcode ;;
 354     Amiga*:UNIX_System_V:4.0:*)
 355         echo m68k-unknown-sysv4
 356         exit ;;
 357     *:[Aa]miga[Oo][Ss]:*:*)
 358         echo "$UNAME_MACHINE"-unknown-amigaos
 359         exit ;;
 360     *:[Mm]orph[Oo][Ss]:*:*)
 361         echo "$UNAME_MACHINE"-unknown-morphos
 362         exit ;;
 363     *:OS/390:*:*)
 364         echo i370-ibm-openedition
 365         exit ;;
 366     *:z/VM:*:*)
 367         echo s390-ibm-zvmoe
 368         exit ;;
 369     *:OS400:*:*)
 370         echo powerpc-ibm-os400
 371         exit ;;
 372     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
 373         echo arm-acorn-riscix"$UNAME_RELEASE"
 374         exit ;;
 375     arm*:riscos:*:*|arm*:RISCOS:*:*)
 376         echo arm-unknown-riscos
 377         exit ;;
 378     SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
 379         echo hppa1.1-hitachi-hiuxmpp
 380         exit ;;
 381     Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
 382         # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
 383         if test "$( (/bin/universe) 2>/dev/null)" = att ; then
 384                 echo pyramid-pyramid-sysv3
 385         else
 386                 echo pyramid-pyramid-bsd
 387         fi
 388         exit ;;
 389     NILE*:*:*:dcosx)
 390         echo pyramid-pyramid-svr4
 391         exit ;;
 392     DRS?6000:unix:4.0:6*)
 393         echo sparc-icl-nx6
 394         exit ;;
 395     DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
 396         case $(/usr/bin/uname -p) in
 397             sparc) echo sparc-icl-nx7; exit ;;
 398         esac ;;
 399     s390x:SunOS:*:*)
 400         echo "$UNAME_MACHINE"-ibm-solaris2"$(echo "$UNAME_RELEASE" | sed -e 's/[^.]*//')"
 401         exit ;;
 402     sun4H:SunOS:5.*:*)
 403         echo sparc-hal-solaris2"$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*//')"
 404         exit ;;
 405     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
 406         echo sparc-sun-solaris2"$(echo "$UNAME_RELEASE" | sed -e 's/[^.]*//')"
 407         exit ;;
 408     i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
 409         echo i386-pc-auroraux"$UNAME_RELEASE"
 410         exit ;;
 411     i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
 412         set_cc_for_build
 413         SUN_ARCH=i386
 414         # If there is a compiler, see if it is configured for 64-bit objects.
 415         # Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
 416         # This test works for both compilers.
 417         if test "$CC_FOR_BUILD" != no_compiler_found; then
 418             if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
 419                 (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
 420                 grep IS_64BIT_ARCH >/dev/null
 421             then
 422                 SUN_ARCH=x86_64
 423             fi
 424         fi
 425         echo "$SUN_ARCH"-pc-solaris2"$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*//')"
 426         exit ;;
 427     sun4*:SunOS:6*:*)
 428         # According to config.sub, this is the proper way to canonicalize
 429         # SunOS6.  Hard to guess exactly what SunOS6 will be like, but
 430         # it's likely to be more like Solaris than SunOS4.
 431         echo sparc-sun-solaris3"$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*//')"
 432         exit ;;
 433     sun4*:SunOS:*:*)
 434         case "$(/usr/bin/arch -k)" in
 435             Series*|S4*)
 436                 UNAME_RELEASE=$(uname -v)
 437                 ;;
 438         esac
 439         # Japanese Language versions have a version number like `4.1.3-JL'.
 440         echo sparc-sun-sunos"$(echo "$UNAME_RELEASE"|sed -e 's/-/_/')"
 441         exit ;;
 442     sun3*:SunOS:*:*)
 443         echo m68k-sun-sunos"$UNAME_RELEASE"
 444         exit ;;
 445     sun*:*:4.2BSD:*)
 446         UNAME_RELEASE=$( (sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null)
 447         test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3
 448         case "$(/bin/arch)" in
 449             sun3)
 450                 echo m68k-sun-sunos"$UNAME_RELEASE"
 451                 ;;
 452             sun4)
 453                 echo sparc-sun-sunos"$UNAME_RELEASE"
 454                 ;;
 455         esac
 456         exit ;;
 457     aushp:SunOS:*:*)
 458         echo sparc-auspex-sunos"$UNAME_RELEASE"
 459         exit ;;
 460     # The situation for MiNT is a little confusing.  The machine name
 461     # can be virtually everything (everything which is not
 462     # "atarist" or "atariste" at least should have a processor
 463     # > m68000).  The system name ranges from "MiNT" over "FreeMiNT"
 464     # to the lowercase version "mint" (or "freemint").  Finally
 465     # the system name "TOS" denotes a system which is actually not
 466     # MiNT.  But MiNT is downward compatible to TOS, so this should
 467     # be no problem.
 468     atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
 469         echo m68k-atari-mint"$UNAME_RELEASE"
 470         exit ;;
 471     atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
 472         echo m68k-atari-mint"$UNAME_RELEASE"
 473         exit ;;
 474     *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
 475         echo m68k-atari-mint"$UNAME_RELEASE"
 476         exit ;;
 477     milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
 478         echo m68k-milan-mint"$UNAME_RELEASE"
 479         exit ;;
 480     hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
 481         echo m68k-hades-mint"$UNAME_RELEASE"
 482         exit ;;
 483     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
 484         echo m68k-unknown-mint"$UNAME_RELEASE"
 485         exit ;;
 486     m68k:machten:*:*)
 487         echo m68k-apple-machten"$UNAME_RELEASE"
 488         exit ;;
 489     powerpc:machten:*:*)
 490         echo powerpc-apple-machten"$UNAME_RELEASE"
 491         exit ;;
 492     RISC*:Mach:*:*)
 493         echo mips-dec-mach_bsd4.3
 494         exit ;;
 495     RISC*:ULTRIX:*:*)
 496         echo mips-dec-ultrix"$UNAME_RELEASE"
 497         exit ;;
 498     VAX*:ULTRIX*:*:*)
 499         echo vax-dec-ultrix"$UNAME_RELEASE"
 500         exit ;;
 501     2020:CLIX:*:* | 2430:CLIX:*:*)
 502         echo clipper-intergraph-clix"$UNAME_RELEASE"
 503         exit ;;
 504     mips:*:*:UMIPS | mips:*:*:RISCos)
 505         set_cc_for_build
 506         sed 's/^        //' << EOF > "$dummy.c"
 507 #ifdef __cplusplus
 508 #include <stdio.h>  /* for printf() prototype */
 509         int main (int argc, char *argv[]) {
 510 #else
 511         int main (argc, argv) int argc; char *argv[]; {
 512 #endif
 513         #if defined (host_mips) && defined (MIPSEB)
 514         #if defined (SYSTYPE_SYSV)
 515           printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0);
 516         #endif
 517         #if defined (SYSTYPE_SVR4)
 518           printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0);
 519         #endif
 520         #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
 521           printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0);
 522         #endif
 523         #endif
 524           exit (-1);
 525         }
 526 EOF
 527         $CC_FOR_BUILD -o "$dummy" "$dummy.c" &&
 528           dummyarg=$(echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p') &&
 529           SYSTEM_NAME=$("$dummy" "$dummyarg") &&
 530             { echo "$SYSTEM_NAME"; exit; }
 531         echo mips-mips-riscos"$UNAME_RELEASE"
 532         exit ;;
 533     Motorola:PowerMAX_OS:*:*)
 534         echo powerpc-motorola-powermax
 535         exit ;;
 536     Motorola:*:4.3:PL8-*)
 537         echo powerpc-harris-powermax
 538         exit ;;
 539     Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
 540         echo powerpc-harris-powermax
 541         exit ;;
 542     Night_Hawk:Power_UNIX:*:*)
 543         echo powerpc-harris-powerunix
 544         exit ;;
 545     m88k:CX/UX:7*:*)
 546         echo m88k-harris-cxux7
 547         exit ;;
 548     m88k:*:4*:R4*)
 549         echo m88k-motorola-sysv4
 550         exit ;;
 551     m88k:*:3*:R3*)
 552         echo m88k-motorola-sysv3
 553         exit ;;
 554     AViiON:dgux:*:*)
 555         # DG/UX returns AViiON for all architectures
 556         UNAME_PROCESSOR=$(/usr/bin/uname -p)
 557         if test "$UNAME_PROCESSOR" = mc88100 || test "$UNAME_PROCESSOR" = mc88110
 558         then
 559             if test "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx || \
 560                test "$TARGET_BINARY_INTERFACE"x = x
 561             then
 562                 echo m88k-dg-dgux"$UNAME_RELEASE"
 563             else
 564                 echo m88k-dg-dguxbcs"$UNAME_RELEASE"
 565             fi
 566         else
 567             echo i586-dg-dgux"$UNAME_RELEASE"
 568         fi
 569         exit ;;
 570     M88*:DolphinOS:*:*) # DolphinOS (SVR3)
 571         echo m88k-dolphin-sysv3
 572         exit ;;
 573     M88*:*:R3*:*)
 574         # Delta 88k system running SVR3
 575         echo m88k-motorola-sysv3
 576         exit ;;
 577     XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
 578         echo m88k-tektronix-sysv3
 579         exit ;;
 580     Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
 581         echo m68k-tektronix-bsd
 582         exit ;;
 583     *:IRIX*:*:*)
 584         echo mips-sgi-irix"$(echo "$UNAME_RELEASE"|sed -e 's/-/_/g')"
 585         exit ;;
 586     ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
 587         echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
 588         exit ;;               # Note that: echo "'$(uname -s)'" gives 'AIX '
 589     i*86:AIX:*:*)
 590         echo i386-ibm-aix
 591         exit ;;
 592     ia64:AIX:*:*)
 593         if test -x /usr/bin/oslevel ; then
 594                 IBM_REV=$(/usr/bin/oslevel)
 595         else
 596                 IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
 597         fi
 598         echo "$UNAME_MACHINE"-ibm-aix"$IBM_REV"
 599         exit ;;
 600     *:AIX:2:3)
 601         if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
 602                 set_cc_for_build
 603                 sed 's/^                //' << EOF > "$dummy.c"
 604                 #include <sys/systemcfg.h>
 605
 606                 main()
 607                         {
 608                         if (!__power_pc())
 609                                 exit(1);
 610                         puts("powerpc-ibm-aix3.2.5");
 611                         exit(0);
 612                         }
 613 EOF
 614                 if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=$("$dummy")
 615                 then
 616                         echo "$SYSTEM_NAME"
 617                 else
 618                         echo rs6000-ibm-aix3.2.5
 619                 fi
 620         elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
 621                 echo rs6000-ibm-aix3.2.4
 622         else
 623                 echo rs6000-ibm-aix3.2
 624         fi
 625         exit ;;
 626     *:AIX:*:[4567])
 627         IBM_CPU_ID=$(/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }')
 628         if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then
 629                 IBM_ARCH=rs6000
 630         else
 631                 IBM_ARCH=powerpc
 632         fi
 633         if test -x /usr/bin/lslpp ; then
 634                 IBM_REV=$(/usr/bin/lslpp -Lqc bos.rte.libc |
 635                            awk -F: '{ print $3 }' | sed s/[0-9]*$/0/)
 636         else
 637                 IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
 638         fi
 639         echo "$IBM_ARCH"-ibm-aix"$IBM_REV"
 640         exit ;;
 641     *:AIX:*:*)
 642         echo rs6000-ibm-aix
 643         exit ;;
 644     ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*)
 645         echo romp-ibm-bsd4.4
 646         exit ;;
 647     ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
 648         echo romp-ibm-bsd"$UNAME_RELEASE"   # 4.3 with uname added to
 649         exit ;;                             # report: romp-ibm BSD 4.3
 650     *:BOSX:*:*)
 651         echo rs6000-bull-bosx
 652         exit ;;
 653     DPX/2?00:B.O.S.:*:*)
 654         echo m68k-bull-sysv3
 655         exit ;;
 656     9000/[34]??:4.3bsd:1.*:*)
 657         echo m68k-hp-bsd
 658         exit ;;
 659     hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
 660         echo m68k-hp-bsd4.4
 661         exit ;;
 662     9000/[34678]??:HP-UX:*:*)
 663         HPUX_REV=$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//')
 664         case "$UNAME_MACHINE" in
 665             9000/31?)            HP_ARCH=m68000 ;;
 666             9000/[34]??)         HP_ARCH=m68k ;;
 667             9000/[678][0-9][0-9])
 668                 if test -x /usr/bin/getconf; then
 669                     sc_cpu_version=$(/usr/bin/getconf SC_CPU_VERSION 2>/dev/null)
 670                     sc_kernel_bits=$(/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null)
 671                     case "$sc_cpu_version" in
 672                       523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
 673                       528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
 674                       532)                      # CPU_PA_RISC2_0
 675                         case "$sc_kernel_bits" in
 676                           32) HP_ARCH=hppa2.0n ;;
 677                           64) HP_ARCH=hppa2.0w ;;
 678                           '') HP_ARCH=hppa2.0 ;;   # HP-UX 10.20
 679                         esac ;;
 680                     esac
 681                 fi
 682                 if test "$HP_ARCH" = ""; then
 683                     set_cc_for_build
 684                     sed 's/^            //' << EOF > "$dummy.c"
 685
 686                 #define _HPUX_SOURCE
 687                 #include <stdlib.h>
 688                 #include <unistd.h>
 689
 690                 int main ()
 691                 {
 692                 #if defined(_SC_KERNEL_BITS)
 693                     long bits = sysconf(_SC_KERNEL_BITS);
 694                 #endif
 695                     long cpu  = sysconf (_SC_CPU_VERSION);
 696
 697                     switch (cpu)
 698                         {
 699                         case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
 700                         case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
 701                         case CPU_PA_RISC2_0:
 702                 #if defined(_SC_KERNEL_BITS)
 703                             switch (bits)
 704                                 {
 705                                 case 64: puts ("hppa2.0w"); break;
 706                                 case 32: puts ("hppa2.0n"); break;
 707                                 default: puts ("hppa2.0"); break;
 708                                 } break;
 709                 #else  /* !defined(_SC_KERNEL_BITS) */
 710                             puts ("hppa2.0"); break;
 711                 #endif
 712                         default: puts ("hppa1.0"); break;
 713                         }
 714                     exit (0);
 715                 }
 716 EOF
 717                     (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=$("$dummy")
 718                     test -z "$HP_ARCH" && HP_ARCH=hppa
 719                 fi ;;
 720         esac
 721         if test "$HP_ARCH" = hppa2.0w
 722         then
 723             set_cc_for_build
 724
 725             # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
 726             # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
 727             # generating 64-bit code.  GNU and HP use different nomenclature:
 728             #
 729             # $ CC_FOR_BUILD=cc ./config.guess
 730             # => hppa2.0w-hp-hpux11.23
 731             # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
 732             # => hppa64-hp-hpux11.23
 733
 734             if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) |
 735                 grep -q __LP64__
 736             then
 737                 HP_ARCH=hppa2.0w
 738             else
 739                 HP_ARCH=hppa64
 740             fi
 741         fi
 742         echo "$HP_ARCH"-hp-hpux"$HPUX_REV"
 743         exit ;;
 744     ia64:HP-UX:*:*)
 745         HPUX_REV=$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//')
 746         echo ia64-hp-hpux"$HPUX_REV"
 747         exit ;;
 748     3050*:HI-UX:*:*)
 749         set_cc_for_build
 750         sed 's/^        //' << EOF > "$dummy.c"
 751         #include <unistd.h>
 752         int
 753         main ()
 754         {
 755           long cpu = sysconf (_SC_CPU_VERSION);
 756           /* The order matters, because CPU_IS_HP_MC68K erroneously returns
 757              true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
 758              results, however.  */
 759           if (CPU_IS_PA_RISC (cpu))
 760             {
 761               switch (cpu)
 762                 {
 763                   case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
 764                   case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
 765                   case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
 766                   default: puts ("hppa-hitachi-hiuxwe2"); break;
 767                 }
 768             }
 769           else if (CPU_IS_HP_MC68K (cpu))
 770             puts ("m68k-hitachi-hiuxwe2");
 771           else puts ("unknown-hitachi-hiuxwe2");
 772           exit (0);
 773         }
 774 EOF
 775         $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=$("$dummy") &&
 776                 { echo "$SYSTEM_NAME"; exit; }
 777         echo unknown-hitachi-hiuxwe2
 778         exit ;;
 779     9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*)
 780         echo hppa1.1-hp-bsd
 781         exit ;;
 782     9000/8??:4.3bsd:*:*)
 783         echo hppa1.0-hp-bsd
 784         exit ;;
 785     *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
 786         echo hppa1.0-hp-mpeix
 787         exit ;;
 788     hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*)
 789         echo hppa1.1-hp-osf
 790         exit ;;
 791     hp8??:OSF1:*:*)
 792         echo hppa1.0-hp-osf
 793         exit ;;
 794     i*86:OSF1:*:*)
 795         if test -x /usr/sbin/sysversion ; then
 796             echo "$UNAME_MACHINE"-unknown-osf1mk
 797         else
 798             echo "$UNAME_MACHINE"-unknown-osf1
 799         fi
 800         exit ;;
 801     parisc*:Lites*:*:*)
 802         echo hppa1.1-hp-lites
 803         exit ;;
 804     C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
 805         echo c1-convex-bsd
 806         exit ;;
 807     C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
 808         if getsysinfo -f scalar_acc
 809         then echo c32-convex-bsd
 810         else echo c2-convex-bsd
 811         fi
 812         exit ;;
 813     C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
 814         echo c34-convex-bsd
 815         exit ;;
 816     C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
 817         echo c38-convex-bsd
 818         exit ;;
 819     C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
 820         echo c4-convex-bsd
 821         exit ;;
 822     CRAY*Y-MP:*:*:*)
 823         echo ymp-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
 824         exit ;;
 825     CRAY*[A-Z]90:*:*:*)
 826         echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \
 827         | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
 828               -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
 829               -e 's/\.[^.]*$/.X/'
 830         exit ;;
 831     CRAY*TS:*:*:*)
 832         echo t90-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
 833         exit ;;
 834     CRAY*T3E:*:*:*)
 835         echo alphaev5-cray-unicosmk"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
 836         exit ;;
 837     CRAY*SV1:*:*:*)
 838         echo sv1-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
 839         exit ;;
 840     *:UNICOS/mp:*:*)
 841         echo craynv-cray-unicosmp"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
 842         exit ;;
 843     F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
 844         FUJITSU_PROC=$(uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz)
 845         FUJITSU_SYS=$(uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///')
 846         FUJITSU_REL=$(echo "$UNAME_RELEASE" | sed -e 's/ /_/')
 847         echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
 848         exit ;;
 849     5000:UNIX_System_V:4.*:*)
 850         FUJITSU_SYS=$(uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///')
 851         FUJITSU_REL=$(echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/')
 852         echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
 853         exit ;;
 854     i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
 855         echo "$UNAME_MACHINE"-pc-bsdi"$UNAME_RELEASE"
 856         exit ;;
 857     sparc*:BSD/OS:*:*)
 858         echo sparc-unknown-bsdi"$UNAME_RELEASE"
 859         exit ;;
 860     *:BSD/OS:*:*)
 861         echo "$UNAME_MACHINE"-unknown-bsdi"$UNAME_RELEASE"
 862         exit ;;
 863     arm:FreeBSD:*:*)
 864         UNAME_PROCESSOR=$(uname -p)
 865         set_cc_for_build
 866         if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
 867             | grep -q __ARM_PCS_VFP
 868         then
 869             echo "${UNAME_PROCESSOR}"-unknown-freebsd"$(echo ${UNAME_RELEASE}|sed -e 's/[-(].*//')"-gnueabi
 870         else
 871             echo "${UNAME_PROCESSOR}"-unknown-freebsd"$(echo ${UNAME_RELEASE}|sed -e 's/[-(].*//')"-gnueabihf
 872         fi
 873         exit ;;
 874     *:FreeBSD:*:*)
 875         UNAME_PROCESSOR=$(/usr/bin/uname -p)
 876         case "$UNAME_PROCESSOR" in
 877             amd64)
 878                 UNAME_PROCESSOR=x86_64 ;;
 879             i386)
 880                 UNAME_PROCESSOR=i586 ;;
 881         esac
 882         echo "$UNAME_PROCESSOR"-unknown-freebsd"$(echo "$UNAME_RELEASE"|sed -e 's/[-(].*//')"
 883         exit ;;
 884     i*:CYGWIN*:*)
 885         echo "$UNAME_MACHINE"-pc-cygwin
 886         exit ;;
 887     *:MINGW64*:*)
 888         echo "$UNAME_MACHINE"-pc-mingw64
 889         exit ;;
 890     *:MINGW*:*)
 891         echo "$UNAME_MACHINE"-pc-mingw32
 892         exit ;;
 893     *:MSYS*:*)
 894         echo "$UNAME_MACHINE"-pc-msys
 895         exit ;;
 896     i*:PW*:*)
 897         echo "$UNAME_MACHINE"-pc-pw32
 898         exit ;;
 899     *:Interix*:*)
 900         case "$UNAME_MACHINE" in
 901             x86)
 902                 echo i586-pc-interix"$UNAME_RELEASE"
 903                 exit ;;
 904             authenticamd | genuineintel | EM64T)
 905                 echo x86_64-unknown-interix"$UNAME_RELEASE"
 906                 exit ;;
 907             IA64)
 908                 echo ia64-unknown-interix"$UNAME_RELEASE"
 909                 exit ;;
 910         esac ;;
 911     i*:UWIN*:*)
 912         echo "$UNAME_MACHINE"-pc-uwin
 913         exit ;;
 914     amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
 915         echo x86_64-pc-cygwin
 916         exit ;;
 917     prep*:SunOS:5.*:*)
 918         echo powerpcle-unknown-solaris2"$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*//')"
 919         exit ;;
 920     *:GNU:*:*)
 921         # the GNU system
 922         echo "$(echo "$UNAME_MACHINE"|sed -e 's,[-/].*$,,')-unknown-$LIBC$(echo "$UNAME_RELEASE"|sed -e 's,/.*$,,')"
 923         exit ;;
 924     *:GNU/*:*:*)
 925         # other systems with GNU libc and userland
 926         echo "$UNAME_MACHINE-unknown-$(echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]")$(echo "$UNAME_RELEASE"|sed -e 's/[-(].*//')-$LIBC"
 927         exit ;;
 928     *:Minix:*:*)
 929         echo "$UNAME_MACHINE"-unknown-minix
 930         exit ;;
 931     aarch64:Linux:*:*)
 932         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 933         exit ;;
 934     aarch64_be:Linux:*:*)
 935         UNAME_MACHINE=aarch64_be
 936         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 937         exit ;;
 938     alpha:Linux:*:*)
 939         case $(sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null) in
 940           EV5)   UNAME_MACHINE=alphaev5 ;;
 941           EV56)  UNAME_MACHINE=alphaev56 ;;
 942           PCA56) UNAME_MACHINE=alphapca56 ;;
 943           PCA57) UNAME_MACHINE=alphapca56 ;;
 944           EV6)   UNAME_MACHINE=alphaev6 ;;
 945           EV67)  UNAME_MACHINE=alphaev67 ;;
 946           EV68*) UNAME_MACHINE=alphaev68 ;;
 947         esac
 948         objdump --private-headers /bin/sh | grep -q ld.so.1
 949         if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
 950         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 951         exit ;;
 952     arc:Linux:*:* | arceb:Linux:*:*)
 953         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 954         exit ;;
 955     arm*:Linux:*:*)
 956         set_cc_for_build
 957         if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
 958             | grep -q __ARM_EABI__
 959         then
 960             echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 961         else
 962             if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
 963                 | grep -q __ARM_PCS_VFP
 964             then
 965                 echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabi
 966             else
 967                 echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabihf
 968             fi
 969         fi
 970         exit ;;
 971     avr32*:Linux:*:*)
 972         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 973         exit ;;
 974     cris:Linux:*:*)
 975         echo "$UNAME_MACHINE"-axis-linux-"$LIBC"
 976         exit ;;
 977     crisv32:Linux:*:*)
 978         echo "$UNAME_MACHINE"-axis-linux-"$LIBC"
 979         exit ;;
 980     e2k:Linux:*:*)
 981         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 982         exit ;;
 983     frv:Linux:*:*)
 984         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 985         exit ;;
 986     hexagon:Linux:*:*)
 987         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 988         exit ;;
 989     i*86:Linux:*:*)
 990         echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
 991         exit ;;
 992     ia64:Linux:*:*)
 993         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 994         exit ;;
 995     k1om:Linux:*:*)
 996         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 997         exit ;;
 998     loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*)
 999         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1000         exit ;;
1001     m32r*:Linux:*:*)
1002         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1003         exit ;;
1004     m68*:Linux:*:*)
1005         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1006         exit ;;
1007     mips:Linux:*:* | mips64:Linux:*:*)
1008         set_cc_for_build
1009         IS_GLIBC=0
1010         test x"${LIBC}" = xgnu && IS_GLIBC=1
1011         sed 's/^        //' << EOF > "$dummy.c"
1012         #undef CPU
1013         #undef mips
1014         #undef mipsel
1015         #undef mips64
1016         #undef mips64el
1017         #if ${IS_GLIBC} && defined(_ABI64)
1018         LIBCABI=gnuabi64
1019         #else
1020         #if ${IS_GLIBC} && defined(_ABIN32)
1021         LIBCABI=gnuabin32
1022         #else
1023         LIBCABI=${LIBC}
1024         #endif
1025         #endif
1026
1027         #if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
1028         CPU=mipsisa64r6
1029         #else
1030         #if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
1031         CPU=mipsisa32r6
1032         #else
1033         #if defined(__mips64)
1034         CPU=mips64
1035         #else
1036         CPU=mips
1037         #endif
1038         #endif
1039         #endif
1040
1041         #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
1042         MIPS_ENDIAN=el
1043         #else
1044         #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
1045         MIPS_ENDIAN=
1046         #else
1047         MIPS_ENDIAN=
1048         #endif
1049         #endif
1050 EOF
1051         eval "$($CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI')"
1052         test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; }
1053         ;;
1054     mips64el:Linux:*:*)
1055         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1056         exit ;;
1057     openrisc*:Linux:*:*)
1058         echo or1k-unknown-linux-"$LIBC"
1059         exit ;;
1060     or32:Linux:*:* | or1k*:Linux:*:*)
1061         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1062         exit ;;
1063     padre:Linux:*:*)
1064         echo sparc-unknown-linux-"$LIBC"
1065         exit ;;
1066     parisc64:Linux:*:* | hppa64:Linux:*:*)
1067         echo hppa64-unknown-linux-"$LIBC"
1068         exit ;;
1069     parisc:Linux:*:* | hppa:Linux:*:*)
1070         # Look for CPU level
1071         case $(grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2) in
1072           PA7*) echo hppa1.1-unknown-linux-"$LIBC" ;;
1073           PA8*) echo hppa2.0-unknown-linux-"$LIBC" ;;
1074           *)    echo hppa-unknown-linux-"$LIBC" ;;
1075         esac
1076         exit ;;
1077     ppc64:Linux:*:*)
1078         echo powerpc64-unknown-linux-"$LIBC"
1079         exit ;;
1080     ppc:Linux:*:*)
1081         echo powerpc-unknown-linux-"$LIBC"
1082         exit ;;
1083     ppc64le:Linux:*:*)
1084         echo powerpc64le-unknown-linux-"$LIBC"
1085         exit ;;
1086     ppcle:Linux:*:*)
1087         echo powerpcle-unknown-linux-"$LIBC"
1088         exit ;;
1089     riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*)
1090         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1091         exit ;;
1092     s390:Linux:*:* | s390x:Linux:*:*)
1093         echo "$UNAME_MACHINE"-ibm-linux-"$LIBC"
1094         exit ;;
1095     sh64*:Linux:*:*)
1096         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1097         exit ;;
1098     sh*:Linux:*:*)
1099         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1100         exit ;;
1101     sparc:Linux:*:* | sparc64:Linux:*:*)
1102         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1103         exit ;;
1104     tile*:Linux:*:*)
1105         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1106         exit ;;
1107     vax:Linux:*:*)
1108         echo "$UNAME_MACHINE"-dec-linux-"$LIBC"
1109         exit ;;
1110     x86_64:Linux:*:*)
1111         set_cc_for_build
1112         LIBCABI=$LIBC
1113         if test "$CC_FOR_BUILD" != no_compiler_found; then
1114             if (echo '#ifdef __ILP32__'; echo IS_X32; echo '#endif') | \
1115                 (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
1116                 grep IS_X32 >/dev/null
1117             then
1118                 LIBCABI="$LIBC"x32
1119             fi
1120         fi
1121         echo "$UNAME_MACHINE"-pc-linux-"$LIBCABI"
1122         exit ;;
1123     xtensa*:Linux:*:*)
1124         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1125         exit ;;
1126     i*86:DYNIX/ptx:4*:*)
1127         # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
1128         # earlier versions are messed up and put the nodename in both
1129         # sysname and nodename.
1130         echo i386-sequent-sysv4
1131         exit ;;
1132     i*86:UNIX_SV:4.2MP:2.*)
1133         # Unixware is an offshoot of SVR4, but it has its own version
1134         # number series starting with 2...
1135         # I am not positive that other SVR4 systems won't match this,
1136         # I just have to hope.  -- rms.
1137         # Use sysv4.2uw... so that sysv4* matches it.
1138         echo "$UNAME_MACHINE"-pc-sysv4.2uw"$UNAME_VERSION"
1139         exit ;;
1140     i*86:OS/2:*:*)
1141         # If we were able to find `uname', then EMX Unix compatibility
1142         # is probably installed.
1143         echo "$UNAME_MACHINE"-pc-os2-emx
1144         exit ;;
1145     i*86:XTS-300:*:STOP)
1146         echo "$UNAME_MACHINE"-unknown-stop
1147         exit ;;
1148     i*86:atheos:*:*)
1149         echo "$UNAME_MACHINE"-unknown-atheos
1150         exit ;;
1151     i*86:syllable:*:*)
1152         echo "$UNAME_MACHINE"-pc-syllable
1153         exit ;;
1154     i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
1155         echo i386-unknown-lynxos"$UNAME_RELEASE"
1156         exit ;;
1157     i*86:*DOS:*:*)
1158         echo "$UNAME_MACHINE"-pc-msdosdjgpp
1159         exit ;;
1160     i*86:*:4.*:*)
1161         UNAME_REL=$(echo "$UNAME_RELEASE" | sed 's/\/MP$//')
1162         if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
1163                 echo "$UNAME_MACHINE"-univel-sysv"$UNAME_REL"
1164         else
1165                 echo "$UNAME_MACHINE"-pc-sysv"$UNAME_REL"
1166         fi
1167         exit ;;
1168     i*86:*:5:[678]*)
1169         # UnixWare 7.x, OpenUNIX and OpenServer 6.
1170         case $(/bin/uname -X | grep "^Machine") in
1171             *486*)           UNAME_MACHINE=i486 ;;
1172             *Pentium)        UNAME_MACHINE=i586 ;;
1173             *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
1174         esac
1175         echo "$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}"
1176         exit ;;
1177     i*86:*:3.2:*)
1178         if test -f /usr/options/cb.name; then
1179                 UNAME_REL=$(sed -n 's/.*Version //p' </usr/options/cb.name)
1180                 echo "$UNAME_MACHINE"-pc-isc"$UNAME_REL"
1181         elif /bin/uname -X 2>/dev/null >/dev/null ; then
1182                 UNAME_REL=$( (/bin/uname -X|grep Release|sed -e 's/.*= //'))
1183                 (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
1184                 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
1185                         && UNAME_MACHINE=i586
1186                 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
1187                         && UNAME_MACHINE=i686
1188                 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
1189                         && UNAME_MACHINE=i686
1190                 echo "$UNAME_MACHINE"-pc-sco"$UNAME_REL"
1191         else
1192                 echo "$UNAME_MACHINE"-pc-sysv32
1193         fi
1194         exit ;;
1195     pc:*:*:*)
1196         # Left here for compatibility:
1197         # uname -m prints for DJGPP always 'pc', but it prints nothing about
1198         # the processor, so we play safe by assuming i586.
1199         # Note: whatever this is, it MUST be the same as what config.sub
1200         # prints for the "djgpp" host, or else GDB configure will decide that
1201         # this is a cross-build.
1202         echo i586-pc-msdosdjgpp
1203         exit ;;
1204     Intel:Mach:3*:*)
1205         echo i386-pc-mach3
1206         exit ;;
1207     paragon:*:*:*)
1208         echo i860-intel-osf1
1209         exit ;;
1210     i860:*:4.*:*) # i860-SVR4
1211         if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
1212           echo i860-stardent-sysv"$UNAME_RELEASE" # Stardent Vistra i860-SVR4
1213         else # Add other i860-SVR4 vendors below as they are discovered.
1214           echo i860-unknown-sysv"$UNAME_RELEASE"  # Unknown i860-SVR4
1215         fi
1216         exit ;;
1217     mini*:CTIX:SYS*5:*)
1218         # "miniframe"
1219         echo m68010-convergent-sysv
1220         exit ;;
1221     mc68k:UNIX:SYSTEM5:3.51m)
1222         echo m68k-convergent-sysv
1223         exit ;;
1224     M680?0:D-NIX:5.3:*)
1225         echo m68k-diab-dnix
1226         exit ;;
1227     M68*:*:R3V[5678]*:*)
1228         test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
1229     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)
1230         OS_REL=''
1231         test -r /etc/.relid \
1232         && OS_REL=.$(sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid)
1233         /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1234           && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
1235         /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
1236           && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
1237     3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
1238         /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1239           && { echo i486-ncr-sysv4; exit; } ;;
1240     NCR*:*:4.2:* | MPRAS*:*:4.2:*)
1241         OS_REL='.3'
1242         test -r /etc/.relid \
1243             && OS_REL=.$(sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid)
1244         /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
1245             && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
1246         /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
1247             && { echo i586-ncr-sysv4.3"$OS_REL"; exit; }
1248         /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
1249             && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
1250     m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
1251         echo m68k-unknown-lynxos"$UNAME_RELEASE"
1252         exit ;;
1253     mc68030:UNIX_System_V:4.*:*)
1254         echo m68k-atari-sysv4
1255         exit ;;
1256     TSUNAMI:LynxOS:2.*:*)
1257         echo sparc-unknown-lynxos"$UNAME_RELEASE"
1258         exit ;;
1259     rs6000:LynxOS:2.*:*)
1260         echo rs6000-unknown-lynxos"$UNAME_RELEASE"
1261         exit ;;
1262     PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
1263         echo powerpc-unknown-lynxos"$UNAME_RELEASE"
1264         exit ;;
1265     SM[BE]S:UNIX_SV:*:*)
1266         echo mips-dde-sysv"$UNAME_RELEASE"
1267         exit ;;
1268     RM*:ReliantUNIX-*:*:*)
1269         echo mips-sni-sysv4
1270         exit ;;
1271     RM*:SINIX-*:*:*)
1272         echo mips-sni-sysv4
1273         exit ;;
1274     *:SINIX-*:*:*)
1275         if uname -p 2>/dev/null >/dev/null ; then
1276                 UNAME_MACHINE=$( (uname -p) 2>/dev/null)
1277                 echo "$UNAME_MACHINE"-sni-sysv4
1278         else
1279                 echo ns32k-sni-sysv
1280         fi
1281         exit ;;
1282     PENTIUM:*:4.0*:*)   # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
1283                         # says <Richard.M.Bartel@ccMail.Census.GOV>
1284         echo i586-unisys-sysv4
1285         exit ;;
1286     *:UNIX_System_V:4*:FTX*)
1287         # From Gerald Hewes <hewes@openmarket.com>.
1288         # How about differentiating between stratus architectures? -djm
1289         echo hppa1.1-stratus-sysv4
1290         exit ;;
1291     *:*:*:FTX*)
1292         # From seanf@swdc.stratus.com.
1293         echo i860-stratus-sysv4
1294         exit ;;
1295     i*86:VOS:*:*)
1296         # From Paul.Green@stratus.com.
1297         echo "$UNAME_MACHINE"-stratus-vos
1298         exit ;;
1299     *:VOS:*:*)
1300         # From Paul.Green@stratus.com.
1301         echo hppa1.1-stratus-vos
1302         exit ;;
1303     mc68*:A/UX:*:*)
1304         echo m68k-apple-aux"$UNAME_RELEASE"
1305         exit ;;
1306     news*:NEWS-OS:6*:*)
1307         echo mips-sony-newsos6
1308         exit ;;
1309     R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
1310         if test -d /usr/nec; then
1311                 echo mips-nec-sysv"$UNAME_RELEASE"
1312         else
1313                 echo mips-unknown-sysv"$UNAME_RELEASE"
1314         fi
1315         exit ;;
1316     BeBox:BeOS:*:*)     # BeOS running on hardware made by Be, PPC only.
1317         echo powerpc-be-beos
1318         exit ;;
1319     BeMac:BeOS:*:*)     # BeOS running on Mac or Mac clone, PPC only.
1320         echo powerpc-apple-beos
1321         exit ;;
1322     BePC:BeOS:*:*)      # BeOS running on Intel PC compatible.
1323         echo i586-pc-beos
1324         exit ;;
1325     BePC:Haiku:*:*)     # Haiku running on Intel PC compatible.
1326         echo i586-pc-haiku
1327         exit ;;
1328     x86_64:Haiku:*:*)
1329         echo x86_64-unknown-haiku
1330         exit ;;
1331     SX-4:SUPER-UX:*:*)
1332         echo sx4-nec-superux"$UNAME_RELEASE"
1333         exit ;;
1334     SX-5:SUPER-UX:*:*)
1335         echo sx5-nec-superux"$UNAME_RELEASE"
1336         exit ;;
1337     SX-6:SUPER-UX:*:*)
1338         echo sx6-nec-superux"$UNAME_RELEASE"
1339         exit ;;
1340     SX-7:SUPER-UX:*:*)
1341         echo sx7-nec-superux"$UNAME_RELEASE"
1342         exit ;;
1343     SX-8:SUPER-UX:*:*)
1344         echo sx8-nec-superux"$UNAME_RELEASE"
1345         exit ;;
1346     SX-8R:SUPER-UX:*:*)
1347         echo sx8r-nec-superux"$UNAME_RELEASE"
1348         exit ;;
1349     SX-ACE:SUPER-UX:*:*)
1350         echo sxace-nec-superux"$UNAME_RELEASE"
1351         exit ;;
1352     Power*:Rhapsody:*:*)
1353         echo powerpc-apple-rhapsody"$UNAME_RELEASE"
1354         exit ;;
1355     *:Rhapsody:*:*)
1356         echo "$UNAME_MACHINE"-apple-rhapsody"$UNAME_RELEASE"
1357         exit ;;
1358     arm64:Darwin:*:*)
1359         echo aarch64-apple-darwin"$UNAME_RELEASE"
1360         exit ;;
1361     *:Darwin:*:*)
1362         UNAME_PROCESSOR=$(uname -p)
1363         case $UNAME_PROCESSOR in
1364             unknown) UNAME_PROCESSOR=powerpc ;;
1365         esac
1366         if command -v xcode-select > /dev/null 2> /dev/null && \
1367                 ! xcode-select --print-path > /dev/null 2> /dev/null ; then
1368             # Avoid executing cc if there is no toolchain installed as
1369             # cc will be a stub that puts up a graphical alert
1370             # prompting the user to install developer tools.
1371             CC_FOR_BUILD=no_compiler_found
1372         else
1373             set_cc_for_build
1374         fi
1375         if test "$CC_FOR_BUILD" != no_compiler_found; then
1376             if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
1377                    (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
1378                    grep IS_64BIT_ARCH >/dev/null
1379             then
1380                 case $UNAME_PROCESSOR in
1381                     i386) UNAME_PROCESSOR=x86_64 ;;
1382                     powerpc) UNAME_PROCESSOR=powerpc64 ;;
1383                 esac
1384             fi
1385             # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc
1386             if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \
1387                    (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
1388                    grep IS_PPC >/dev/null
1389             then
1390                 UNAME_PROCESSOR=powerpc
1391             fi
1392         elif test "$UNAME_PROCESSOR" = i386 ; then
1393             # uname -m returns i386 or x86_64
1394             UNAME_PROCESSOR=$UNAME_MACHINE
1395         fi
1396         echo "$UNAME_PROCESSOR"-apple-darwin"$UNAME_RELEASE"
1397         exit ;;
1398     *:procnto*:*:* | *:QNX:[0123456789]*:*)
1399         UNAME_PROCESSOR=$(uname -p)
1400         if test "$UNAME_PROCESSOR" = x86; then
1401                 UNAME_PROCESSOR=i386
1402                 UNAME_MACHINE=pc
1403         fi
1404         echo "$UNAME_PROCESSOR"-"$UNAME_MACHINE"-nto-qnx"$UNAME_RELEASE"
1405         exit ;;
1406     *:QNX:*:4*)
1407         echo i386-pc-qnx
1408         exit ;;
1409     NEO-*:NONSTOP_KERNEL:*:*)
1410         echo neo-tandem-nsk"$UNAME_RELEASE"
1411         exit ;;
1412     NSE-*:NONSTOP_KERNEL:*:*)
1413         echo nse-tandem-nsk"$UNAME_RELEASE"
1414         exit ;;
1415     NSR-*:NONSTOP_KERNEL:*:*)
1416         echo nsr-tandem-nsk"$UNAME_RELEASE"
1417         exit ;;
1418     NSV-*:NONSTOP_KERNEL:*:*)
1419         echo nsv-tandem-nsk"$UNAME_RELEASE"
1420         exit ;;
1421     NSX-*:NONSTOP_KERNEL:*:*)
1422         echo nsx-tandem-nsk"$UNAME_RELEASE"
1423         exit ;;
1424     *:NonStop-UX:*:*)
1425         echo mips-compaq-nonstopux
1426         exit ;;
1427     BS2000:POSIX*:*:*)
1428         echo bs2000-siemens-sysv
1429         exit ;;
1430     DS/*:UNIX_System_V:*:*)
1431         echo "$UNAME_MACHINE"-"$UNAME_SYSTEM"-"$UNAME_RELEASE"
1432         exit ;;
1433     *:Plan9:*:*)
1434         # "uname -m" is not consistent, so use $cputype instead. 386
1435         # is converted to i386 for consistency with other x86
1436         # operating systems.
1437         # shellcheck disable=SC2154
1438         if test "$cputype" = 386; then
1439             UNAME_MACHINE=i386
1440         else
1441             UNAME_MACHINE="$cputype"
1442         fi
1443         echo "$UNAME_MACHINE"-unknown-plan9
1444         exit ;;
1445     *:TOPS-10:*:*)
1446         echo pdp10-unknown-tops10
1447         exit ;;
1448     *:TENEX:*:*)
1449         echo pdp10-unknown-tenex
1450         exit ;;
1451     KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
1452         echo pdp10-dec-tops20
1453         exit ;;
1454     XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
1455         echo pdp10-xkl-tops20
1456         exit ;;
1457     *:TOPS-20:*:*)
1458         echo pdp10-unknown-tops20
1459         exit ;;
1460     *:ITS:*:*)
1461         echo pdp10-unknown-its
1462         exit ;;
1463     SEI:*:*:SEIUX)
1464         echo mips-sei-seiux"$UNAME_RELEASE"
1465         exit ;;
1466     *:DragonFly:*:*)
1467         echo "$UNAME_MACHINE"-unknown-dragonfly"$(echo "$UNAME_RELEASE"|sed -e 's/[-(].*//')"
1468         exit ;;
1469     *:*VMS:*:*)
1470         UNAME_MACHINE=$( (uname -p) 2>/dev/null)
1471         case "$UNAME_MACHINE" in
1472             A*) echo alpha-dec-vms ; exit ;;
1473             I*) echo ia64-dec-vms ; exit ;;
1474             V*) echo vax-dec-vms ; exit ;;
1475         esac ;;
1476     *:XENIX:*:SysV)
1477         echo i386-pc-xenix
1478         exit ;;
1479     i*86:skyos:*:*)
1480         echo "$UNAME_MACHINE"-pc-skyos"$(echo "$UNAME_RELEASE" | sed -e 's/ .*$//')"
1481         exit ;;
1482     i*86:rdos:*:*)
1483         echo "$UNAME_MACHINE"-pc-rdos
1484         exit ;;
1485     *:AROS:*:*)
1486         echo "$UNAME_MACHINE"-unknown-aros
1487         exit ;;
1488     x86_64:VMkernel:*:*)
1489         echo "$UNAME_MACHINE"-unknown-esx
1490         exit ;;
1491     amd64:Isilon\ OneFS:*:*)
1492         echo x86_64-unknown-onefs
1493         exit ;;
1494     *:Unleashed:*:*)
1495         echo "$UNAME_MACHINE"-unknown-unleashed"$UNAME_RELEASE"
1496         exit ;;
1497 esac
1498
1499 # No uname command or uname output not recognized.
1500 set_cc_for_build
1501 cat > "$dummy.c" <<EOF
1502 #ifdef _SEQUENT_
1503 #include <sys/types.h>
1504 #include <sys/utsname.h>
1505 #endif
1506 #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
1507 #if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
1508 #include <signal.h>
1509 #if defined(_SIZE_T_) || defined(SIGLOST)
1510 #include <sys/utsname.h>
1511 #endif
1512 #endif
1513 #endif
1514 main ()
1515 {
1516 #if defined (sony)
1517 #if defined (MIPSEB)
1518   /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
1519      I don't know....  */
1520   printf ("mips-sony-bsd\n"); exit (0);
1521 #else
1522 #include <sys/param.h>
1523   printf ("m68k-sony-newsos%s\n",
1524 #ifdef NEWSOS4
1525   "4"
1526 #else
1527   ""
1528 #endif
1529   ); exit (0);
1530 #endif
1531 #endif
1532
1533 #if defined (NeXT)
1534 #if !defined (__ARCHITECTURE__)
1535 #define __ARCHITECTURE__ "m68k"
1536 #endif
1537   int version;
1538   version=$( (hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null);
1539   if (version < 4)
1540     printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
1541   else
1542     printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
1543   exit (0);
1544 #endif
1545
1546 #if defined (MULTIMAX) || defined (n16)
1547 #if defined (UMAXV)
1548   printf ("ns32k-encore-sysv\n"); exit (0);
1549 #else
1550 #if defined (CMU)
1551   printf ("ns32k-encore-mach\n"); exit (0);
1552 #else
1553   printf ("ns32k-encore-bsd\n"); exit (0);
1554 #endif
1555 #endif
1556 #endif
1557
1558 #if defined (__386BSD__)
1559   printf ("i386-pc-bsd\n"); exit (0);
1560 #endif
1561
1562 #if defined (sequent)
1563 #if defined (i386)
1564   printf ("i386-sequent-dynix\n"); exit (0);
1565 #endif
1566 #if defined (ns32000)
1567   printf ("ns32k-sequent-dynix\n"); exit (0);
1568 #endif
1569 #endif
1570
1571 #if defined (_SEQUENT_)
1572   struct utsname un;
1573
1574   uname(&un);
1575   if (strncmp(un.version, "V2", 2) == 0) {
1576     printf ("i386-sequent-ptx2\n"); exit (0);
1577   }
1578   if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
1579     printf ("i386-sequent-ptx1\n"); exit (0);
1580   }
1581   printf ("i386-sequent-ptx\n"); exit (0);
1582 #endif
1583
1584 #if defined (vax)
1585 #if !defined (ultrix)
1586 #include <sys/param.h>
1587 #if defined (BSD)
1588 #if BSD == 43
1589   printf ("vax-dec-bsd4.3\n"); exit (0);
1590 #else
1591 #if BSD == 199006
1592   printf ("vax-dec-bsd4.3reno\n"); exit (0);
1593 #else
1594   printf ("vax-dec-bsd\n"); exit (0);
1595 #endif
1596 #endif
1597 #else
1598   printf ("vax-dec-bsd\n"); exit (0);
1599 #endif
1600 #else
1601 #if defined(_SIZE_T_) || defined(SIGLOST)
1602   struct utsname un;
1603   uname (&un);
1604   printf ("vax-dec-ultrix%s\n", un.release); exit (0);
1605 #else
1606   printf ("vax-dec-ultrix\n"); exit (0);
1607 #endif
1608 #endif
1609 #endif
1610 #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
1611 #if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
1612 #if defined(_SIZE_T_) || defined(SIGLOST)
1613   struct utsname *un;
1614   uname (&un);
1615   printf ("mips-dec-ultrix%s\n", un.release); exit (0);
1616 #else
1617   printf ("mips-dec-ultrix\n"); exit (0);
1618 #endif
1619 #endif
1620 #endif
1621
1622 #if defined (alliant) && defined (i860)
1623   printf ("i860-alliant-bsd\n"); exit (0);
1624 #endif
1625
1626   exit (1);
1627 }
1628 EOF
1629
1630 $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=$($dummy) &&
1631         { echo "$SYSTEM_NAME"; exit; }
1632
1633 # Apollos put the system type in the environment.
1634 test -d /usr/apollo && { echo "$ISP-apollo-$SYSTYPE"; exit; }
1635
1636 echo "$0: unable to guess system type" >&2
1637
1638 case "$UNAME_MACHINE:$UNAME_SYSTEM" in
1639     mips:Linux | mips64:Linux)
1640         # If we got here on MIPS GNU/Linux, output extra information.
1641         cat >&2 <<EOF
1642
1643 NOTE: MIPS GNU/Linux systems require a C compiler to fully recognize
1644 the system type. Please install a C compiler and try again.
1645 EOF
1646         ;;
1647 esac
1648
1649 cat >&2 <<EOF
1650
1651 This script (version $timestamp), has failed to recognize the
1652 operating system you are using. If your script is old, overwrite *all*
1653 copies of config.guess and config.sub with the latest versions from:
1654
1655   https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
1656 and
1657   https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
1658 EOF
1659
1660 year=$(echo $timestamp | sed 's,-.*,,')
1661 # shellcheck disable=SC2003
1662 if test "$(expr "$(date +%Y)" - "$year")" -lt 3 ; then
1663    cat >&2 <<EOF
1664
1665 If $0 has already been updated, send the following data and any
1666 information you think might be pertinent to config-patches@gnu.org to
1667 provide the necessary information to handle your system.
1668
1669 config.guess timestamp = $timestamp
1670
1671 uname -m = $( (uname -m) 2>/dev/null || echo unknown)
1672 uname -r = $( (uname -r) 2>/dev/null || echo unknown)
1673 uname -s = $( (uname -s) 2>/dev/null || echo unknown)
1674 uname -v = $( (uname -v) 2>/dev/null || echo unknown)
1675
1676 /usr/bin/uname -p = $( (/usr/bin/uname -p) 2>/dev/null)
1677 /bin/uname -X     = $( (/bin/uname -X) 2>/dev/null)
1678
1679 hostinfo               = $( (hostinfo) 2>/dev/null)
1680 /bin/universe          = $( (/bin/universe) 2>/dev/null)
1681 /usr/bin/arch -k       = $( (/usr/bin/arch -k) 2>/dev/null)
1682 /bin/arch              = $( (/bin/arch) 2>/dev/null)
1683 /usr/bin/oslevel       = $( (/usr/bin/oslevel) 2>/dev/null)
1684 /usr/convex/getsysinfo = $( (/usr/convex/getsysinfo) 2>/dev/null)
1685
1686 UNAME_MACHINE = "$UNAME_MACHINE"
1687 UNAME_RELEASE = "$UNAME_RELEASE"
1688 UNAME_SYSTEM  = "$UNAME_SYSTEM"
1689 UNAME_VERSION = "$UNAME_VERSION"
1690 EOF
1691 fi
1692
1693 exit 1
1694
1695 # Local variables:
1696 # eval: (add-hook 'before-save-hook 'time-stamp)
1697 # time-stamp-start: "timestamp='"
1698 # time-stamp-format: "%:y-%02m-%02d"
1699 # time-stamp-end: "'"
1700 # End: