X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=config.sub;h=d74fb6deac942a4e21f49fa752c3280e66c196a0;hp=9c47333ac99109af1dbc27619d697eb007add652;hb=60cbc89987842cf6036aabced6618988b5117810;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce

diff --git a/config.sub b/config.sub
index 9c47333a..d74fb6de 100755
--- a/config.sub
+++ b/config.sub
@@ -1,35 +1,42 @@
 #! /bin/sh
-# Configuration validation subroutine script, version 1.1.
-#   Copyright (C) 1991, 92-97, 1998 Free Software Foundation, Inc.
-# This file is (in principle) common to ALL GNU software.
-# The presence of a machine in this file suggests that SOME GNU software
-# can handle that machine.  It does not imply ALL GNU software can.
-#
-# This file is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# Configuration validation subroutine script.
+#   Copyright 1992-2021 Free Software Foundation, Inc.
+
+# shellcheck disable=SC2006,SC2268 # see below for rationale
+
+timestamp='2021-08-14'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
-
+# along with this program; if not, see <https://www.gnu.org/licenses/>.
+#
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
 # configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
+# the same distribution terms that you use for the rest of that
+# program.  This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
 
+
+# Please send patches to <config-patches@gnu.org>.
+#
 # Configuration subroutine to validate and canonicalize a configuration type.
 # Supply the specified configuration type as an argument.
 # If it is invalid, we print an error message on stderr and exit with code 1.
 # Otherwise, we print the canonical config type on stdout and succeed.
 
+# You can get the latest version of this script from:
+# https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
+
 # This file is supposed to be the same for all GNU packages
 # and recognize all the CPU types, system types and aliases
 # that are meaningful with *any* GNU software.
@@ -45,754 +52,1464 @@
 #	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
 # It is wrong to echo any other type of specification.
 
-if [ x$1 = x ]
-then
-	echo Configuration name missing. 1>&2
-	echo "Usage: $0 CPU-MFR-OPSYS" 1>&2
-	echo "or     $0 ALIAS" 1>&2
-	echo where ALIAS is a recognized configuration type. 1>&2
-	exit 1
-fi
+# The "shellcheck disable" line above the timestamp inhibits complaints
+# about features and limitations of the classic Bourne shell that were
+# superseded or lifted in POSIX.  However, this script identifies a wide
+# variety of pre-POSIX systems that do not have POSIX shells at all, and
+# even some reasonably current systems (Solaris 10 as case-in-point) still
+# have a pre-POSIX /bin/sh.
 
-# First pass through any local machine types.
-case $1 in
-	*local*)
-		echo $1
-		exit 0
-		;;
-	*)
-	;;
-esac
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
+
+Canonicalize a configuration name.
+
+Options:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.sub ($timestamp)
+
+Copyright 1992-2021 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )	# Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help" >&2
+       exit 1 ;;
 
-# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
-# Here we must recognize all the valid KERNEL-OS combinations.
-maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
-case $maybe_os in
-  linux-gnu*)
-    os=-$maybe_os
-    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
-    ;;
-  *)
-    basic_machine=`echo $1 | sed 's/-[^-]*$//'`
-    if [ $basic_machine != $1 ]
-    then os=`echo $1 | sed 's/.*-/-/'`
-    else os=; fi
-    ;;
+    *local*)
+       # First pass through any local machine types.
+       echo "$1"
+       exit ;;
+
+    * )
+       break ;;
+  esac
+done
+
+case $# in
+ 0) echo "$me: missing argument$help" >&2
+    exit 1;;
+ 1) ;;
+ *) echo "$me: too many arguments$help" >&2
+    exit 1;;
 esac
 
-### Let's recognize common machines as not being operating systems so
-### that things like config.sub decstation-3100 work.  We also
-### recognize some manufacturers as not being operating systems, so we
-### can provide default operating systems below.
-case $os in
-	-sun*os*)
-		# Prevent following clause from handling this invalid input.
-		;;
-	-dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
-	-att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
-	-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
-	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
-	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
-	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
-	-apple)
-		os=
-		basic_machine=$1
-		;;
-	-hiux*)
-		os=-hiuxwe2
-		;;
-	-sco5)
-		os=sco3.2v5
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+# Split fields of configuration type
+# shellcheck disable=SC2162
+saved_IFS=$IFS
+IFS="-" read field1 field2 field3 field4 <<EOF
+$1
+EOF
+IFS=$saved_IFS
+
+# Separate into logical components for further validation
+case $1 in
+	*-*-*-*-*)
+		echo Invalid configuration \`"$1"\': more than four components >&2
+		exit 1
 		;;
-	-sco4)
-		os=-sco3.2v4
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+	*-*-*-*)
+		basic_machine=$field1-$field2
+		basic_os=$field3-$field4
 		;;
-	-sco3.2.[4-9]*)
-		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+	*-*-*)
+		# Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two
+		# parts
+		maybe_os=$field2-$field3
+		case $maybe_os in
+			nto-qnx* | linux-* | uclinux-uclibc* \
+			| uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \
+			| netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \
+			| storm-chaos* | os2-emx* | rtmk-nova*)
+				basic_machine=$field1
+				basic_os=$maybe_os
+				;;
+			android-linux)
+				basic_machine=$field1-unknown
+				basic_os=linux-android
+				;;
+			*)
+				basic_machine=$field1-$field2
+				basic_os=$field3
+				;;
+		esac
 		;;
-	-sco3.2v[4-9]*)
-		# Don't forget version if it is 3.2v4 or newer.
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+	*-*)
+		# A lone config we happen to match not fitting any pattern
+		case $field1-$field2 in
+			decstation-3100)
+				basic_machine=mips-dec
+				basic_os=
+				;;
+			*-*)
+				# Second component is usually, but not always the OS
+				case $field2 in
+					# Prevent following clause from handling this valid os
+					sun*os*)
+						basic_machine=$field1
+						basic_os=$field2
+						;;
+					zephyr*)
+						basic_machine=$field1-unknown
+						basic_os=$field2
+						;;
+					# Manufacturers
+					dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \
+					| att* | 7300* | 3300* | delta* | motorola* | sun[234]* \
+					| unicom* | ibm* | next | hp | isi* | apollo | altos* \
+					| convergent* | ncr* | news | 32* | 3600* | 3100* \
+					| hitachi* | c[123]* | convex* | sun | crds | omron* | dg \
+					| ultra | tti* | harris | dolphin | highlevel | gould \
+					| cbm | ns | masscomp | apple | axis | knuth | cray \
+					| microblaze* | sim | cisco \
+					| oki | wec | wrs | winbond)
+						basic_machine=$field1-$field2
+						basic_os=
+						;;
+					*)
+						basic_machine=$field1
+						basic_os=$field2
+						;;
+				esac
+			;;
+		esac
 		;;
-	-sco*)
-		os=-sco3.2v2
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+	*)
+		# Convert single-component short-hands not valid as part of
+		# multi-component configurations.
+		case $field1 in
+			386bsd)
+				basic_machine=i386-pc
+				basic_os=bsd
+				;;
+			a29khif)
+				basic_machine=a29k-amd
+				basic_os=udi
+				;;
+			adobe68k)
+				basic_machine=m68010-adobe
+				basic_os=scout
+				;;
+			alliant)
+				basic_machine=fx80-alliant
+				basic_os=
+				;;
+			altos | altos3068)
+				basic_machine=m68k-altos
+				basic_os=
+				;;
+			am29k)
+				basic_machine=a29k-none
+				basic_os=bsd
+				;;
+			amdahl)
+				basic_machine=580-amdahl
+				basic_os=sysv
+				;;
+			amiga)
+				basic_machine=m68k-unknown
+				basic_os=
+				;;
+			amigaos | amigados)
+				basic_machine=m68k-unknown
+				basic_os=amigaos
+				;;
+			amigaunix | amix)
+				basic_machine=m68k-unknown
+				basic_os=sysv4
+				;;
+			apollo68)
+				basic_machine=m68k-apollo
+				basic_os=sysv
+				;;
+			apollo68bsd)
+				basic_machine=m68k-apollo
+				basic_os=bsd
+				;;
+			aros)
+				basic_machine=i386-pc
+				basic_os=aros
+				;;
+			aux)
+				basic_machine=m68k-apple
+				basic_os=aux
+				;;
+			balance)
+				basic_machine=ns32k-sequent
+				basic_os=dynix
+				;;
+			blackfin)
+				basic_machine=bfin-unknown
+				basic_os=linux
+				;;
+			cegcc)
+				basic_machine=arm-unknown
+				basic_os=cegcc
+				;;
+			convex-c1)
+				basic_machine=c1-convex
+				basic_os=bsd
+				;;
+			convex-c2)
+				basic_machine=c2-convex
+				basic_os=bsd
+				;;
+			convex-c32)
+				basic_machine=c32-convex
+				basic_os=bsd
+				;;
+			convex-c34)
+				basic_machine=c34-convex
+				basic_os=bsd
+				;;
+			convex-c38)
+				basic_machine=c38-convex
+				basic_os=bsd
+				;;
+			cray)
+				basic_machine=j90-cray
+				basic_os=unicos
+				;;
+			crds | unos)
+				basic_machine=m68k-crds
+				basic_os=
+				;;
+			da30)
+				basic_machine=m68k-da30
+				basic_os=
+				;;
+			decstation | pmax | pmin | dec3100 | decstatn)
+				basic_machine=mips-dec
+				basic_os=
+				;;
+			delta88)
+				basic_machine=m88k-motorola
+				basic_os=sysv3
+				;;
+			dicos)
+				basic_machine=i686-pc
+				basic_os=dicos
+				;;
+			djgpp)
+				basic_machine=i586-pc
+				basic_os=msdosdjgpp
+				;;
+			ebmon29k)
+				basic_machine=a29k-amd
+				basic_os=ebmon
+				;;
+			es1800 | OSE68k | ose68k | ose | OSE)
+				basic_machine=m68k-ericsson
+				basic_os=ose
+				;;
+			gmicro)
+				basic_machine=tron-gmicro
+				basic_os=sysv
+				;;
+			go32)
+				basic_machine=i386-pc
+				basic_os=go32
+				;;
+			h8300hms)
+				basic_machine=h8300-hitachi
+				basic_os=hms
+				;;
+			h8300xray)
+				basic_machine=h8300-hitachi
+				basic_os=xray
+				;;
+			h8500hms)
+				basic_machine=h8500-hitachi
+				basic_os=hms
+				;;
+			harris)
+				basic_machine=m88k-harris
+				basic_os=sysv3
+				;;
+			hp300 | hp300hpux)
+				basic_machine=m68k-hp
+				basic_os=hpux
+				;;
+			hp300bsd)
+				basic_machine=m68k-hp
+				basic_os=bsd
+				;;
+			hppaosf)
+				basic_machine=hppa1.1-hp
+				basic_os=osf
+				;;
+			hppro)
+				basic_machine=hppa1.1-hp
+				basic_os=proelf
+				;;
+			i386mach)
+				basic_machine=i386-mach
+				basic_os=mach
+				;;
+			isi68 | isi)
+				basic_machine=m68k-isi
+				basic_os=sysv
+				;;
+			m68knommu)
+				basic_machine=m68k-unknown
+				basic_os=linux
+				;;
+			magnum | m3230)
+				basic_machine=mips-mips
+				basic_os=sysv
+				;;
+			merlin)
+				basic_machine=ns32k-utek
+				basic_os=sysv
+				;;
+			mingw64)
+				basic_machine=x86_64-pc
+				basic_os=mingw64
+				;;
+			mingw32)
+				basic_machine=i686-pc
+				basic_os=mingw32
+				;;
+			mingw32ce)
+				basic_machine=arm-unknown
+				basic_os=mingw32ce
+				;;
+			monitor)
+				basic_machine=m68k-rom68k
+				basic_os=coff
+				;;
+			morphos)
+				basic_machine=powerpc-unknown
+				basic_os=morphos
+				;;
+			moxiebox)
+				basic_machine=moxie-unknown
+				basic_os=moxiebox
+				;;
+			msdos)
+				basic_machine=i386-pc
+				basic_os=msdos
+				;;
+			msys)
+				basic_machine=i686-pc
+				basic_os=msys
+				;;
+			mvs)
+				basic_machine=i370-ibm
+				basic_os=mvs
+				;;
+			nacl)
+				basic_machine=le32-unknown
+				basic_os=nacl
+				;;
+			ncr3000)
+				basic_machine=i486-ncr
+				basic_os=sysv4
+				;;
+			netbsd386)
+				basic_machine=i386-pc
+				basic_os=netbsd
+				;;
+			netwinder)
+				basic_machine=armv4l-rebel
+				basic_os=linux
+				;;
+			news | news700 | news800 | news900)
+				basic_machine=m68k-sony
+				basic_os=newsos
+				;;
+			news1000)
+				basic_machine=m68030-sony
+				basic_os=newsos
+				;;
+			necv70)
+				basic_machine=v70-nec
+				basic_os=sysv
+				;;
+			nh3000)
+				basic_machine=m68k-harris
+				basic_os=cxux
+				;;
+			nh[45]000)
+				basic_machine=m88k-harris
+				basic_os=cxux
+				;;
+			nindy960)
+				basic_machine=i960-intel
+				basic_os=nindy
+				;;
+			mon960)
+				basic_machine=i960-intel
+				basic_os=mon960
+				;;
+			nonstopux)
+				basic_machine=mips-compaq
+				basic_os=nonstopux
+				;;
+			os400)
+				basic_machine=powerpc-ibm
+				basic_os=os400
+				;;
+			OSE68000 | ose68000)
+				basic_machine=m68000-ericsson
+				basic_os=ose
+				;;
+			os68k)
+				basic_machine=m68k-none
+				basic_os=os68k
+				;;
+			paragon)
+				basic_machine=i860-intel
+				basic_os=osf
+				;;
+			parisc)
+				basic_machine=hppa-unknown
+				basic_os=linux
+				;;
+			psp)
+				basic_machine=mipsallegrexel-sony
+				basic_os=psp
+				;;
+			pw32)
+				basic_machine=i586-unknown
+				basic_os=pw32
+				;;
+			rdos | rdos64)
+				basic_machine=x86_64-pc
+				basic_os=rdos
+				;;
+			rdos32)
+				basic_machine=i386-pc
+				basic_os=rdos
+				;;
+			rom68k)
+				basic_machine=m68k-rom68k
+				basic_os=coff
+				;;
+			sa29200)
+				basic_machine=a29k-amd
+				basic_os=udi
+				;;
+			sei)
+				basic_machine=mips-sei
+				basic_os=seiux
+				;;
+			sequent)
+				basic_machine=i386-sequent
+				basic_os=
+				;;
+			sps7)
+				basic_machine=m68k-bull
+				basic_os=sysv2
+				;;
+			st2000)
+				basic_machine=m68k-tandem
+				basic_os=
+				;;
+			stratus)
+				basic_machine=i860-stratus
+				basic_os=sysv4
+				;;
+			sun2)
+				basic_machine=m68000-sun
+				basic_os=
+				;;
+			sun2os3)
+				basic_machine=m68000-sun
+				basic_os=sunos3
+				;;
+			sun2os4)
+				basic_machine=m68000-sun
+				basic_os=sunos4
+				;;
+			sun3)
+				basic_machine=m68k-sun
+				basic_os=
+				;;
+			sun3os3)
+				basic_machine=m68k-sun
+				basic_os=sunos3
+				;;
+			sun3os4)
+				basic_machine=m68k-sun
+				basic_os=sunos4
+				;;
+			sun4)
+				basic_machine=sparc-sun
+				basic_os=
+				;;
+			sun4os3)
+				basic_machine=sparc-sun
+				basic_os=sunos3
+				;;
+			sun4os4)
+				basic_machine=sparc-sun
+				basic_os=sunos4
+				;;
+			sun4sol2)
+				basic_machine=sparc-sun
+				basic_os=solaris2
+				;;
+			sun386 | sun386i | roadrunner)
+				basic_machine=i386-sun
+				basic_os=
+				;;
+			sv1)
+				basic_machine=sv1-cray
+				basic_os=unicos
+				;;
+			symmetry)
+				basic_machine=i386-sequent
+				basic_os=dynix
+				;;
+			t3e)
+				basic_machine=alphaev5-cray
+				basic_os=unicos
+				;;
+			t90)
+				basic_machine=t90-cray
+				basic_os=unicos
+				;;
+			toad1)
+				basic_machine=pdp10-xkl
+				basic_os=tops20
+				;;
+			tpf)
+				basic_machine=s390x-ibm
+				basic_os=tpf
+				;;
+			udi29k)
+				basic_machine=a29k-amd
+				basic_os=udi
+				;;
+			ultra3)
+				basic_machine=a29k-nyu
+				basic_os=sym1
+				;;
+			v810 | necv810)
+				basic_machine=v810-nec
+				basic_os=none
+				;;
+			vaxv)
+				basic_machine=vax-dec
+				basic_os=sysv
+				;;
+			vms)
+				basic_machine=vax-dec
+				basic_os=vms
+				;;
+			vsta)
+				basic_machine=i386-pc
+				basic_os=vsta
+				;;
+			vxworks960)
+				basic_machine=i960-wrs
+				basic_os=vxworks
+				;;
+			vxworks68)
+				basic_machine=m68k-wrs
+				basic_os=vxworks
+				;;
+			vxworks29k)
+				basic_machine=a29k-wrs
+				basic_os=vxworks
+				;;
+			xbox)
+				basic_machine=i686-pc
+				basic_os=mingw32
+				;;
+			ymp)
+				basic_machine=ymp-cray
+				basic_os=unicos
+				;;
+			*)
+				basic_machine=$1
+				basic_os=
+				;;
+		esac
 		;;
-	-isc)
-		os=-isc2.2
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+esac
+
+# Decode 1-component or ad-hoc basic machines
+case $basic_machine in
+	# Here we handle the default manufacturer of certain CPU types.  It is in
+	# some cases the only manufacturer, in others, it is the most popular.
+	w89k)
+		cpu=hppa1.1
+		vendor=winbond
 		;;
-	-clix*)
-		basic_machine=clipper-intergraph
+	op50n)
+		cpu=hppa1.1
+		vendor=oki
 		;;
-	-isc*)
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+	op60c)
+		cpu=hppa1.1
+		vendor=oki
 		;;
-	-lynx*)
-		os=-lynxos
+	ibm*)
+		cpu=i370
+		vendor=ibm
 		;;
-	-ptx*)
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
+	orion105)
+		cpu=clipper
+		vendor=highlevel
 		;;
-	-windowsnt*)
-		os=`echo $os | sed -e 's/windowsnt/winnt/'`
+	mac | mpw | mac-mpw)
+		cpu=m68k
+		vendor=apple
 		;;
-	-psos*)
-		os=-psos
+	pmac | pmac-mpw)
+		cpu=powerpc
+		vendor=apple
 		;;
-esac
 
-# Decode aliases for certain CPU-COMPANY combinations.
-case $basic_machine in
-	# Recognize the basic CPU types without company name.
-	# Some are omitted here because they have special meanings below.
-	tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \
-		| arme[lb] | pyramid | mn10200 | mn10300 | tron | a29k \
-		| 580 | i960 | h8300 \
-		| hppa | hppa1.0 | hppa1.1 | hppa2.0 | hppa2.0w \
-		| alpha | alphaev5 | alphaev56 | we32k | ns16k | clipper \
-		| i370 | sh | powerpc | powerpcle | 1750a | dsp16xx | pdp11 \
-		| mips64 | mipsel | mips64el | mips64orion | mips64orionel \
-		| mipstx39 | mipstx39el \
-		| sparc | sparclet | sparclite | sparc64 | v850)
-		basic_machine=$basic_machine-unknown
-		;;
-	# We use `pc' rather than `unknown'
-	# because (1) that's what they normally are, and
-	# (2) the word "unknown" tends to confuse beginning users.
-	i[34567]86)
-	  basic_machine=$basic_machine-pc
-	  ;;
-	# Object if more than one company name word.
-	*-*-*)
-		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
-		exit 1
-		;;
-	# Recognize the basic CPU types with company name.
-	vax-* | tahoe-* | i[34567]86-* | i860-* | m32r-* | m68k-* | m68000-* \
-	      | m88k-* | sparc-* | ns32k-* | fx80-* | arc-* | arm-* | c[123]* \
-	      | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
-	      | power-* | none-* | 580-* | cray2-* | h8300-* | i960-* \
-	      | xmp-* | ymp-* \
-	      | hppa-* | hppa1.0-* | hppa1.1-* | hppa2.0-* | hppa2.0w-* \
-	      | alpha-* | alphaev5-* | alphaev56-* | we32k-* | cydra-* \
-	      | ns16k-* | pn-* | np1-* | xps100-* | clipper-* | orion-* \
-	      | sparclite-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
-	      | sparc64-* | mips64-* | mipsel-* \
-	      | mips64el-* | mips64orion-* | mips64orionel-*  \
-	      | mipstx39-* | mipstx39el-* \
-	      | f301-*)
-		;;
 	# Recognize the various machine names and aliases which stand
 	# for a CPU type and a company and sometimes even an OS.
 	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
-		basic_machine=m68000-att
+		cpu=m68000
+		vendor=att
 		;;
 	3b*)
-		basic_machine=we32k-att
+		cpu=we32k
+		vendor=att
 		;;
-	alliant | fx80)
-		basic_machine=fx80-alliant
+	bluegene*)
+		cpu=powerpc
+		vendor=ibm
+		basic_os=cnk
 		;;
-	altos | altos3068)
-		basic_machine=m68k-altos
+	decsystem10* | dec10*)
+		cpu=pdp10
+		vendor=dec
+		basic_os=tops10
 		;;
-	am29k)
-		basic_machine=a29k-none
-		os=-bsd
+	decsystem20* | dec20*)
+		cpu=pdp10
+		vendor=dec
+		basic_os=tops20
 		;;
-	amdahl)
-		basic_machine=580-amdahl
-		os=-sysv
+	delta | 3300 | motorola-3300 | motorola-delta \
+	      | 3300-motorola | delta-motorola)
+		cpu=m68k
+		vendor=motorola
 		;;
-	amiga | amiga-*)
-		basic_machine=m68k-cbm
+	dpx2*)
+		cpu=m68k
+		vendor=bull
+		basic_os=sysv3
 		;;
-	amigaos | amigados)
-		basic_machine=m68k-cbm
-		os=-amigaos
+	encore | umax | mmax)
+		cpu=ns32k
+		vendor=encore
 		;;
-	amigaunix | amix)
-		basic_machine=m68k-cbm
-		os=-sysv4
+	elxsi)
+		cpu=elxsi
+		vendor=elxsi
+		basic_os=${basic_os:-bsd}
 		;;
-	apollo68)
-		basic_machine=m68k-apollo
-		os=-sysv
+	fx2800)
+		cpu=i860
+		vendor=alliant
 		;;
-	aux)
-		basic_machine=m68k-apple
-		os=-aux
+	genix)
+		cpu=ns32k
+		vendor=ns
 		;;
-	balance)
-		basic_machine=ns32k-sequent
-		os=-dynix
+	h3050r* | hiux*)
+		cpu=hppa1.1
+		vendor=hitachi
+		basic_os=hiuxwe2
 		;;
-	convex-c1)
-		basic_machine=c1-convex
-		os=-bsd
+	hp3k9[0-9][0-9] | hp9[0-9][0-9])
+		cpu=hppa1.0
+		vendor=hp
 		;;
-	convex-c2)
-		basic_machine=c2-convex
-		os=-bsd
+	hp9k2[0-9][0-9] | hp9k31[0-9])
+		cpu=m68000
+		vendor=hp
 		;;
-	convex-c32)
-		basic_machine=c32-convex
-		os=-bsd
+	hp9k3[2-9][0-9])
+		cpu=m68k
+		vendor=hp
 		;;
-	convex-c34)
-		basic_machine=c34-convex
-		os=-bsd
+	hp9k6[0-9][0-9] | hp6[0-9][0-9])
+		cpu=hppa1.0
+		vendor=hp
 		;;
-	convex-c38)
-		basic_machine=c38-convex
-		os=-bsd
+	hp9k7[0-79][0-9] | hp7[0-79][0-9])
+		cpu=hppa1.1
+		vendor=hp
 		;;
-	cray | ymp)
-		basic_machine=ymp-cray
-		os=-unicos
+	hp9k78[0-9] | hp78[0-9])
+		# FIXME: really hppa2.0-hp
+		cpu=hppa1.1
+		vendor=hp
 		;;
-	cray2)
-		basic_machine=cray2-cray
-		os=-unicos
+	hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
+		# FIXME: really hppa2.0-hp
+		cpu=hppa1.1
+		vendor=hp
 		;;
-	[ctj]90-cray)
-		basic_machine=c90-cray
-		os=-unicos
+	hp9k8[0-9][13679] | hp8[0-9][13679])
+		cpu=hppa1.1
+		vendor=hp
 		;;
-	crds | unos)
-		basic_machine=m68k-crds
+	hp9k8[0-9][0-9] | hp8[0-9][0-9])
+		cpu=hppa1.0
+		vendor=hp
+		;;
+	i*86v32)
+		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		vendor=pc
+		basic_os=sysv32
+		;;
+	i*86v4*)
+		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		vendor=pc
+		basic_os=sysv4
+		;;
+	i*86v)
+		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		vendor=pc
+		basic_os=sysv
+		;;
+	i*86sol2)
+		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		vendor=pc
+		basic_os=solaris2
+		;;
+	j90 | j90-cray)
+		cpu=j90
+		vendor=cray
+		basic_os=${basic_os:-unicos}
 		;;
-	da30 | da30-*)
-		basic_machine=m68k-da30
+	iris | iris4d)
+		cpu=mips
+		vendor=sgi
+		case $basic_os in
+		    irix*)
+			;;
+		    *)
+			basic_os=irix4
+			;;
+		esac
 		;;
-	decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
-		basic_machine=mips-dec
+	miniframe)
+		cpu=m68000
+		vendor=convergent
 		;;
-	delta | 3300 | motorola-3300 | motorola-delta \
-	      | 3300-motorola | delta-motorola)
-		basic_machine=m68k-motorola
+	*mint | mint[0-9]* | *MiNT | *MiNT[0-9]*)
+		cpu=m68k
+		vendor=atari
+		basic_os=mint
 		;;
-	delta88)
-		basic_machine=m88k-motorola
-		os=-sysv3
+	news-3600 | risc-news)
+		cpu=mips
+		vendor=sony
+		basic_os=newsos
+		;;
+	next | m*-next)
+		cpu=m68k
+		vendor=next
+		case $basic_os in
+		    openstep*)
+		        ;;
+		    nextstep*)
+			;;
+		    ns2*)
+		      basic_os=nextstep2
+			;;
+		    *)
+		      basic_os=nextstep3
+			;;
+		esac
 		;;
-	dpx20 | dpx20-*)
-		basic_machine=rs6000-bull
-		os=-bosx
+	np1)
+		cpu=np1
+		vendor=gould
 		;;
-	dpx2* | dpx2*-bull)
-		basic_machine=m68k-bull
-		os=-sysv3
+	op50n-* | op60c-*)
+		cpu=hppa1.1
+		vendor=oki
+		basic_os=proelf
 		;;
-	ebmon29k)
-		basic_machine=a29k-amd
-		os=-ebmon
+	pa-hitachi)
+		cpu=hppa1.1
+		vendor=hitachi
+		basic_os=hiuxwe2
 		;;
-	elxsi)
-		basic_machine=elxsi-elxsi
-		os=-bsd
+	pbd)
+		cpu=sparc
+		vendor=tti
 		;;
-	encore | umax | mmax)
-		basic_machine=ns32k-encore
+	pbb)
+		cpu=m68k
+		vendor=tti
 		;;
-	fx2800)
-		basic_machine=i860-alliant
+	pc532)
+		cpu=ns32k
+		vendor=pc532
 		;;
-	genix)
-		basic_machine=ns32k-ns
+	pn)
+		cpu=pn
+		vendor=gould
 		;;
-	gmicro)
-		basic_machine=tron-gmicro
-		os=-sysv
+	power)
+		cpu=power
+		vendor=ibm
 		;;
-	h3050r* | hiux*)
-		basic_machine=hppa1.1-hitachi
-		os=-hiuxwe2
+	ps2)
+		cpu=i386
+		vendor=ibm
 		;;
-	h8300hms)
-		basic_machine=h8300-hitachi
-		os=-hms
+	rm[46]00)
+		cpu=mips
+		vendor=siemens
 		;;
-	harris)
-		basic_machine=m88k-harris
-		os=-sysv3
+	rtpc | rtpc-*)
+		cpu=romp
+		vendor=ibm
 		;;
-	hp300-*)
-		basic_machine=m68k-hp
+	sde)
+		cpu=mipsisa32
+		vendor=sde
+		basic_os=${basic_os:-elf}
 		;;
-	hp300bsd)
-		basic_machine=m68k-hp
-		os=-bsd
+	simso-wrs)
+		cpu=sparclite
+		vendor=wrs
+		basic_os=vxworks
 		;;
-	hp300hpux)
-		basic_machine=m68k-hp
-		os=-hpux
+	tower | tower-32)
+		cpu=m68k
+		vendor=ncr
 		;;
-	hp9k2[0-9][0-9] | hp9k31[0-9])
-		basic_machine=m68000-hp
+	vpp*|vx|vx-*)
+		cpu=f301
+		vendor=fujitsu
 		;;
-	hp9k3[2-9][0-9])
-		basic_machine=m68k-hp
+	w65)
+		cpu=w65
+		vendor=wdc
 		;;
-	hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
-		basic_machine=hppa1.1-hp
+	w89k-*)
+		cpu=hppa1.1
+		vendor=winbond
+		basic_os=proelf
 		;;
-	hp9k8[0-9][0-9] | hp8[0-9][0-9])
-		basic_machine=hppa1.0-hp
+	none)
+		cpu=none
+		vendor=none
 		;;
-	hppa-next)
-		os=-nextstep3
+	leon|leon[3-9])
+		cpu=sparc
+		vendor=$basic_machine
 		;;
-	i370-ibm* | ibm*)
-		basic_machine=i370-ibm
-		os=-mvs
+	leon-*|leon[3-9]-*)
+		cpu=sparc
+		vendor=`echo "$basic_machine" | sed 's/-.*//'`
 		;;
-	s390 | s390-ibm*)
-# OS/390 support after:
-#  Linkname: Mortice Kern Systems (MKS) Inc. - OS/390 OpenEdition -- GNU Utilities Downloads
-#       URL: http://www.mks.com/s390/gnu/download.htm#autoconf
-		basic_machine=s390-ibm  #  /* S/390 -- gil -- 1419 */
-		os=-os390
+
+	*-*)
+		# shellcheck disable=SC2162
+		saved_IFS=$IFS
+		IFS="-" read cpu vendor <<EOF
+$basic_machine
+EOF
+		IFS=$saved_IFS
 		;;
-# I'm not sure what "Sysv32" means.  Should this be sysv3.2?
-	i[34567]86v32)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
-		os=-sysv32
+	# We use `pc' rather than `unknown'
+	# because (1) that's what they normally are, and
+	# (2) the word "unknown" tends to confuse beginning users.
+	i*86 | x86_64)
+		cpu=$basic_machine
+		vendor=pc
 		;;
-	i[34567]86v4*)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
-		os=-sysv4
+	# These rules are duplicated from below for sake of the special case above;
+	# i.e. things that normalized to x86 arches should also default to "pc"
+	pc98)
+		cpu=i386
+		vendor=pc
 		;;
-	i[34567]86v)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
-		os=-sysv
+	x64 | amd64)
+		cpu=x86_64
+		vendor=pc
 		;;
-	i[34567]86sol2)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
-		os=-solaris2
+	# Recognize the basic CPU types without company name.
+	*)
+		cpu=$basic_machine
+		vendor=unknown
 		;;
-	iris | iris4d)
-		basic_machine=mips-sgi
-		case $os in
-		    -irix*)
-			;;
-		    *)
-			os=-irix4
-			;;
-		esac
+esac
+
+unset -v basic_machine
+
+# Decode basic machines in the full and proper CPU-Company form.
+case $cpu-$vendor in
+	# Here we handle the default manufacturer of certain CPU types in canonical form. It is in
+	# some cases the only manufacturer, in others, it is the most popular.
+	craynv-unknown)
+		vendor=cray
+		basic_os=${basic_os:-unicosmp}
 		;;
-	isi68 | isi)
-		basic_machine=m68k-isi
-		os=-sysv
+	c90-unknown | c90-cray)
+		vendor=cray
+		basic_os=${Basic_os:-unicos}
 		;;
-	m88k-omron*)
-		basic_machine=m88k-omron
+	fx80-unknown)
+		vendor=alliant
 		;;
-	magnum | m3230)
-		basic_machine=mips-mips
-		os=-sysv
+	romp-unknown)
+		vendor=ibm
 		;;
-	merlin)
-		basic_machine=ns32k-utek
-		os=-sysv
+	mmix-unknown)
+		vendor=knuth
 		;;
-	miniframe)
-		basic_machine=m68000-convergent
+	microblaze-unknown | microblazeel-unknown)
+		vendor=xilinx
 		;;
-	mipsel*-linux*)
-		basic_machine=mipsel-unknown
-		os=-linux-gnu
+	rs6000-unknown)
+		vendor=ibm
 		;;
-	mips*-linux*)
-		basic_machine=mips-unknown
-		os=-linux-gnu
+	vax-unknown)
+		vendor=dec
 		;;
-	mips3*-*)
-		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
+	pdp11-unknown)
+		vendor=dec
 		;;
-	mips3*)
-		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
+	we32k-unknown)
+		vendor=att
 		;;
-	ncr3000)
-		basic_machine=i486-ncr
-		os=-sysv4
+	cydra-unknown)
+		vendor=cydrome
 		;;
-	news | news700 | news800 | news900)
-		basic_machine=m68k-sony
-		os=-newsos
+	i370-ibm*)
+		vendor=ibm
 		;;
-	news1000)
-		basic_machine=m68030-sony
-		os=-newsos
+	orion-unknown)
+		vendor=highlevel
 		;;
-	news-3600 | risc-news)
-		basic_machine=mips-sony
-		os=-newsos
+	xps-unknown | xps100-unknown)
+		cpu=xps100
+		vendor=honeywell
 		;;
-	next | m*-next )
-		basic_machine=m68k-next
-		case $os in
-		    -nextstep* )
-			;;
-		    -ns2*)
-		      os=-nextstep2
-			;;
-		    *)
-		      os=-nextstep3
-			;;
-		esac
+
+	# Here we normalize CPU types with a missing or matching vendor
+	dpx20-unknown | dpx20-bull)
+		cpu=rs6000
+		vendor=bull
+		basic_os=${basic_os:-bosx}
 		;;
-	nh3000)
-		basic_machine=m68k-harris
-		os=-cxux
+
+	# Here we normalize CPU types irrespective of the vendor
+	amd64-*)
+		cpu=x86_64
 		;;
-	nh[45]000)
-		basic_machine=m88k-harris
-		os=-cxux
+	blackfin-*)
+		cpu=bfin
+		basic_os=linux
 		;;
-	nindy960)
-		basic_machine=i960-intel
-		os=-nindy
+	c54x-*)
+		cpu=tic54x
 		;;
-	np1)
-		basic_machine=np1-gould
+	c55x-*)
+		cpu=tic55x
 		;;
-	pa-hitachi)
-		basic_machine=hppa1.1-hitachi
-		os=-hiuxwe2
+	c6x-*)
+		cpu=tic6x
 		;;
-	paragon)
-		basic_machine=i860-intel
-		os=-osf
+	e500v[12]-*)
+		cpu=powerpc
+		basic_os=${basic_os}"spe"
 		;;
-	pbd)
-		basic_machine=sparc-tti
+	mips3*-*)
+		cpu=mips64
 		;;
-	pbb)
-		basic_machine=m68k-tti
+	ms1-*)
+		cpu=mt
 		;;
-        pc532 | pc532-*)
-		basic_machine=ns32k-pc532
+	m68knommu-*)
+		cpu=m68k
+		basic_os=linux
 		;;
-	pentium | p5 | k5 | nexen)
-		basic_machine=i586-pc
+	m9s12z-* | m68hcs12z-* | hcs12z-* | s12z-*)
+		cpu=s12z
 		;;
-	pentiumpro | p6 | k6 | 6x86)
-		basic_machine=i686-pc
+	openrisc-*)
+		cpu=or32
 		;;
-	pentiumii | pentium2)
-		basic_machine=i786-pc
+	parisc-*)
+		cpu=hppa
+		basic_os=linux
 		;;
-	pentium-* | p5-* | k5-* | nexen-*)
-		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
+	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+		cpu=i586
 		;;
-	pentiumpro-* | p6-* | k6-* | 6x86-*)
-		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+	pentiumpro-* | p6-* | 6x86-* | athlon-* | athalon_*-*)
+		cpu=i686
 		;;
-	pentiumii-* | pentium2-*)
-		basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
+	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+		cpu=i686
 		;;
-	pn)
-		basic_machine=pn-gould
+	pentium4-*)
+		cpu=i786
 		;;
-	power)	basic_machine=rs6000-ibm
+	pc98-*)
+		cpu=i386
 		;;
-	ppc)	basic_machine=powerpc-unknown
-	        ;;
-	ppc-*)	basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+	ppc-* | ppcbe-*)
+		cpu=powerpc
 		;;
-	ppcle | powerpclittle | ppc-le | powerpc-little)
-		basic_machine=powerpcle-unknown
-	        ;;
 	ppcle-* | powerpclittle-*)
-		basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
+		cpu=powerpcle
 		;;
-	ps2)
-		basic_machine=i386-ibm
+	ppc64-*)
+		cpu=powerpc64
 		;;
-	rm[46]00)
-		basic_machine=mips-siemens
+	ppc64le-* | powerpc64little-*)
+		cpu=powerpc64le
 		;;
-	rtpc | rtpc-*)
-		basic_machine=romp-ibm
+	sb1-*)
+		cpu=mipsisa64sb1
 		;;
-	sequent)
-		basic_machine=i386-sequent
+	sb1el-*)
+		cpu=mipsisa64sb1el
 		;;
-	sh)
-		basic_machine=sh-hitachi
-		os=-hms
+	sh5e[lb]-*)
+		cpu=`echo "$cpu" | sed 's/^\(sh.\)e\(.\)$/\1\2e/'`
 		;;
-	sps7)
-		basic_machine=m68k-bull
-		os=-sysv2
+	spur-*)
+		cpu=spur
 		;;
-	spur)
-		basic_machine=spur-unknown
+	strongarm-* | thumb-*)
+		cpu=arm
 		;;
-	sun2)
-		basic_machine=m68000-sun
+	tx39-*)
+		cpu=mipstx39
 		;;
-	sun2os3)
-		basic_machine=m68000-sun
-		os=-sunos3
+	tx39el-*)
+		cpu=mipstx39el
 		;;
-	sun2os4)
-		basic_machine=m68000-sun
-		os=-sunos4
+	x64-*)
+		cpu=x86_64
 		;;
-	sun3os3)
-		basic_machine=m68k-sun
-		os=-sunos3
+	xscale-* | xscalee[bl]-*)
+		cpu=`echo "$cpu" | sed 's/^xscale/arm/'`
 		;;
-	sun3os4)
-		basic_machine=m68k-sun
-		os=-sunos4
+	arm64-*)
+		cpu=aarch64
 		;;
-	sun4os3)
-		basic_machine=sparc-sun
-		os=-sunos3
+
+	# Recognize the canonical CPU Types that limit and/or modify the
+	# company names they are paired with.
+	cr16-*)
+		basic_os=${basic_os:-elf}
 		;;
-	sun4os4)
-		basic_machine=sparc-sun
-		os=-sunos4
+	crisv32-* | etraxfs*-*)
+		cpu=crisv32
+		vendor=axis
 		;;
-	sun4sol2)
-		basic_machine=sparc-sun
-		os=-solaris2
+	cris-* | etrax*-*)
+		cpu=cris
+		vendor=axis
 		;;
-	sun3 | sun3-*)
-		basic_machine=m68k-sun
+	crx-*)
+		basic_os=${basic_os:-elf}
 		;;
-	sun4)
-		basic_machine=sparc-sun
+	neo-tandem)
+		cpu=neo
+		vendor=tandem
 		;;
-	sun386 | sun386i | roadrunner)
-		basic_machine=i386-sun
+	nse-tandem)
+		cpu=nse
+		vendor=tandem
 		;;
-	symmetry)
-		basic_machine=i386-sequent
-		os=-dynix
+	nsr-tandem)
+		cpu=nsr
+		vendor=tandem
 		;;
-	tx39)
-		basic_machine=mipstx39-unknown
+	nsv-tandem)
+		cpu=nsv
+		vendor=tandem
 		;;
-	tx39el)
-		basic_machine=mipstx39el-unknown
+	nsx-tandem)
+		cpu=nsx
+		vendor=tandem
 		;;
-	tower | tower-32)
-		basic_machine=m68k-ncr
+	mipsallegrexel-sony)
+		cpu=mipsallegrexel
+		vendor=sony
 		;;
-	udi29k)
-		basic_machine=a29k-amd
-		os=-udi
+	tile*-*)
+		basic_os=${basic_os:-linux-gnu}
 		;;
-	ultra3)
-		basic_machine=a29k-nyu
-		os=-sym1
+
+	*)
+		# Recognize the canonical CPU types that are allowed with any
+		# company name.
+		case $cpu in
+			1750a | 580 \
+			| a29k \
+			| aarch64 | aarch64_be \
+			| abacus \
+			| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
+			| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
+			| alphapca5[67] | alpha64pca5[67] \
+			| am33_2.0 \
+			| amdgcn \
+			| arc | arceb | arc32 | arc64 \
+			| arm | arm[lb]e | arme[lb] | armv* \
+			| avr | avr32 \
+			| asmjs \
+			| ba \
+			| be32 | be64 \
+			| bfin | bpf | bs2000 \
+			| c[123]* | c30 | [cjt]90 | c4x \
+			| c8051 | clipper | craynv | csky | cydra \
+			| d10v | d30v | dlx | dsp16xx \
+			| e2k | elxsi | epiphany \
+			| f30[01] | f700 | fido | fr30 | frv | ft32 | fx80 \
+			| h8300 | h8500 \
+			| hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+			| hexagon \
+			| i370 | i*86 | i860 | i960 | ia16 | ia64 \
+			| ip2k | iq2000 \
+			| k1om \
+			| le32 | le64 \
+			| lm32 \
+			| loongarch32 | loongarch64 | loongarchx32 \
+			| m32c | m32r | m32rle \
+			| m5200 | m68000 | m680[012346]0 | m68360 | m683?2 | m68k \
+			| m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x \
+			| m88110 | m88k | maxq | mb | mcore | mep | metag \
+			| microblaze | microblazeel \
+			| mips | mipsbe | mipseb | mipsel | mipsle \
+			| mips16 \
+			| mips64 | mips64eb | mips64el \
+			| mips64octeon | mips64octeonel \
+			| mips64orion | mips64orionel \
+			| mips64r5900 | mips64r5900el \
+			| mips64vr | mips64vrel \
+			| mips64vr4100 | mips64vr4100el \
+			| mips64vr4300 | mips64vr4300el \
+			| mips64vr5000 | mips64vr5000el \
+			| mips64vr5900 | mips64vr5900el \
+			| mipsisa32 | mipsisa32el \
+			| mipsisa32r2 | mipsisa32r2el \
+			| mipsisa32r3 | mipsisa32r3el \
+			| mipsisa32r5 | mipsisa32r5el \
+			| mipsisa32r6 | mipsisa32r6el \
+			| mipsisa64 | mipsisa64el \
+			| mipsisa64r2 | mipsisa64r2el \
+			| mipsisa64r3 | mipsisa64r3el \
+			| mipsisa64r5 | mipsisa64r5el \
+			| mipsisa64r6 | mipsisa64r6el \
+			| mipsisa64sb1 | mipsisa64sb1el \
+			| mipsisa64sr71k | mipsisa64sr71kel \
+			| mipsr5900 | mipsr5900el \
+			| mipstx39 | mipstx39el \
+			| mmix \
+			| mn10200 | mn10300 \
+			| moxie \
+			| mt \
+			| msp430 \
+			| nds32 | nds32le | nds32be \
+			| nfp \
+			| nios | nios2 | nios2eb | nios2el \
+			| none | np1 | ns16k | ns32k | nvptx \
+			| open8 \
+			| or1k* \
+			| or32 \
+			| orion \
+			| picochip \
+			| pdp10 | pdp11 | pj | pjl | pn | power \
+			| powerpc | powerpc64 | powerpc64le | powerpcle | powerpcspe \
+			| pru \
+			| pyramid \
+			| riscv | riscv32 | riscv32be | riscv64 | riscv64be \
+			| rl78 | romp | rs6000 | rx \
+			| s390 | s390x \
+			| score \
+			| sh | shl \
+			| sh[1234] | sh[24]a | sh[24]ae[lb] | sh[23]e | she[lb] | sh[lb]e \
+			| sh[1234]e[lb] |  sh[12345][lb]e | sh[23]ele | sh64 | sh64le \
+			| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet \
+			| sparclite \
+			| sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
+			| spu \
+			| tahoe \
+			| thumbv7* \
+			| tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
+			| tron \
+			| ubicom32 \
+			| v70 | v850 | v850e | v850e1 | v850es | v850e2 | v850e2v3 \
+			| vax \
+			| visium \
+			| w65 \
+			| wasm32 | wasm64 \
+			| we32k \
+			| x86 | x86_64 | xc16x | xgate | xps100 \
+			| xstormy16 | xtensa* \
+			| ymp \
+			| z8k | z80)
+				;;
+
+			*)
+				echo Invalid configuration \`"$1"\': machine \`"$cpu-$vendor"\' not recognized 1>&2
+				exit 1
+				;;
+		esac
 		;;
-	vaxv)
-		basic_machine=vax-dec
-		os=-sysv
+esac
+
+# Here we canonicalize certain aliases for manufacturers.
+case $vendor in
+	digital*)
+		vendor=dec
 		;;
-	vms)
-		basic_machine=vax-dec
-		os=-vms
+	commodore*)
+		vendor=cbm
 		;;
-	vpp*|vx|vx-*)
-               basic_machine=f301-fujitsu
-               ;;
-	vxworks960)
-		basic_machine=i960-wrs
-		os=-vxworks
+	*)
 		;;
-	vxworks68)
-		basic_machine=m68k-wrs
-		os=-vxworks
+esac
+
+# Decode manufacturer-specific aliases for certain operating systems.
+
+if test x$basic_os != x
+then
+
+# First recognize some ad-hoc caes, or perhaps split kernel-os, or else just
+# set os.
+case $basic_os in
+	gnu/linux*)
+		kernel=linux
+		os=`echo "$basic_os" | sed -e 's|gnu/linux|gnu|'`
+		;;
+	os2-emx)
+		kernel=os2
+		os=`echo "$basic_os" | sed -e 's|os2-emx|emx|'`
+		;;
+	nto-qnx*)
+		kernel=nto
+		os=`echo "$basic_os" | sed -e 's|nto-qnx|qnx|'`
+		;;
+	*-*)
+		# shellcheck disable=SC2162
+		saved_IFS=$IFS
+		IFS="-" read kernel os <<EOF
+$basic_os
+EOF
+		IFS=$saved_IFS
+		;;
+	# Default OS when just kernel was specified
+	nto*)
+		kernel=nto
+		os=`echo "$basic_os" | sed -e 's|nto|qnx|'`
+		;;
+	linux*)
+		kernel=linux
+		os=`echo "$basic_os" | sed -e 's|linux|gnu|'`
 		;;
-	vxworks29k)
-		basic_machine=a29k-wrs
-		os=-vxworks
+	*)
+		kernel=
+		os=$basic_os
 		;;
-	xmp)
-		basic_machine=xmp-cray
-		os=-unicos
+esac
+
+# Now, normalize the OS (knowing we just have one component, it's not a kernel,
+# etc.)
+case $os in
+	# First match some system type aliases that might get confused
+	# with valid system types.
+	# solaris* is a basic system type, with this one exception.
+	auroraux)
+		os=auroraux
 		;;
-        xps | xps100)
-		basic_machine=xps100-honeywell
+	bluegene*)
+		os=cnk
 		;;
-	none)
-		basic_machine=none-none
-		os=-none
+	solaris1 | solaris1.*)
+		os=`echo "$os" | sed -e 's|solaris1|sunos4|'`
 		;;
-
-# Here we handle the default manufacturer of certain CPU types.  It is in
-# some cases the only manufacturer, in others, it is the most popular.
-	mips)
-		if [ x$os = x-linux-gnu ]; then
-			basic_machine=mips-unknown
-		else
-			basic_machine=mips-mips
-		fi
+	solaris)
+		os=solaris2
 		;;
-	romp)
-		basic_machine=romp-ibm
+	unixware*)
+		os=sysv4.2uw
 		;;
-	rs6000)
-		basic_machine=rs6000-ibm
+	# es1800 is here to avoid being matched by es* (a different OS)
+	es1800*)
+		os=ose
 		;;
-	vax)
-		basic_machine=vax-dec
+	# Some version numbers need modification
+	chorusos*)
+		os=chorusos
 		;;
-	pdp11)
-		basic_machine=pdp11-dec
+	isc)
+		os=isc2.2
 		;;
-	we32k)
-		basic_machine=we32k-att
+	sco6)
+		os=sco5v6
 		;;
-	sparc)
-		basic_machine=sparc-sun
+	sco5)
+		os=sco3.2v5
 		;;
-        cydra)
-		basic_machine=cydra-cydrome
+	sco4)
+		os=sco3.2v4
 		;;
-	orion)
-		basic_machine=orion-highlevel
+	sco3.2.[4-9]*)
+		os=`echo "$os" | sed -e 's/sco3.2./sco3.2v/'`
 		;;
-	orion105)
-		basic_machine=clipper-highlevel
+	sco*v* | scout)
+		# Don't match below
 		;;
-	*)
-		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
-		exit 1
+	sco*)
+		os=sco3.2v2
 		;;
-esac
-
-# Here we canonicalize certain aliases for manufacturers.
-case $basic_machine in
-	*-digital*)
-		basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
+	psos*)
+		os=psos
 		;;
-	*-commodore*)
-		basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
+	qnx*)
+		os=qnx
 		;;
-	*)
+	hiux*)
+		os=hiuxwe2
 		;;
-esac
-
-# Decode manufacturer-specific aliases for certain operating systems.
-
-if [ x"$os" != x"" ]
-then
-case $os in
-        # First match some system type aliases
-        # that might get confused with valid system types.
-	# -solaris* is a basic system type, with this one exception.
-	-solaris1 | -solaris1.*)
-		os=`echo $os | sed -e 's|solaris1|sunos4|'`
+	lynx*178)
+		os=lynxos178
 		;;
-	-solaris)
-		os=-solaris2
+	lynx*5)
+		os=lynxos5
 		;;
-	-svr4*)
-		os=-sysv4
+	lynxos*)
+		# don't get caught up in next wildcard
 		;;
-	-unixware*)
-		os=-sysv4.2uw
+	lynx*)
+		os=lynxos
 		;;
-	-gnu/linux*)
-		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
+	mac[0-9]*)
+		os=`echo "$os" | sed -e 's|mac|macos|'`
 		;;
-	# First accept the basic system types.
-	# The portable systems comes first.
-	# Each alternative MUST END IN A *, to match a version number.
-	# -sysv* is not here because it comes later, after sysvr4.
-	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
-	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
-	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
-	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
-	      | -aos* \
-	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* | -os390* \
-	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
-	      | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
-	      | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
-	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
-	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
-	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
-	      | -mingw32* | -linux-gnu* | -uxpv* | -beos*)
-	# Remember, each alternative MUST END IN *, to match a version number.
+	opened*)
+		os=openedition
 		;;
-	-linux*)
-		os=`echo $os | sed -e 's|linux|linux-gnu|'`
+	os400*)
+		os=os400
 		;;
-	-sunos5*)
-		os=`echo $os | sed -e 's|sunos5|solaris2|'`
+	sunos5*)
+		os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
 		;;
-	-sunos6*)
-		os=`echo $os | sed -e 's|sunos6|solaris3|'`
+	sunos6*)
+		os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
 		;;
-	-osfrose*)
-		os=-osfrose
+	wince*)
+		os=wince
 		;;
-	-osf*)
-		os=-osf
+	utek*)
+		os=bsd
 		;;
-	-utek*)
-		os=-bsd
+	dynix*)
+		os=bsd
 		;;
-	-dynix*)
-		os=-bsd
+	acis*)
+		os=aos
 		;;
-	-acis*)
-		os=-aos
+	atheos*)
+		os=atheos
 		;;
-	-ctix* | -uts*)
-		os=-sysv
+	syllable*)
+		os=syllable
 		;;
-	-ns2 )
-	        os=-nextstep2
+	386bsd)
+		os=bsd
+		;;
+	ctix* | uts*)
+		os=sysv
+		;;
+	nova*)
+		os=rtmk-nova
+		;;
+	ns2)
+		os=nextstep2
 		;;
 	# Preserve the version number of sinix5.
-	-sinix5.*)
-		os=`echo $os | sed -e 's|sinix|sysv|'`
+	sinix5.*)
+		os=`echo "$os" | sed -e 's|sinix|sysv|'`
 		;;
-	-sinix*)
-		os=-sysv4
+	sinix*)
+		os=sysv4
 		;;
-	-triton*)
-		os=-sysv3
+	tpf*)
+		os=tpf
 		;;
-	-oss*)
-		os=-sysv3
+	triton*)
+		os=sysv3
 		;;
-	-svr4)
-		os=-sysv4
+	oss*)
+		os=sysv3
 		;;
-	-svr3)
-		os=-sysv3
+	svr4*)
+		os=sysv4
 		;;
-	-sysvr4)
-		os=-sysv4
+	svr3)
+		os=sysv3
 		;;
-	# This must come after -sysvr4.
-	-sysv*)
+	sysvr4)
+		os=sysv4
 		;;
-	-xenix)
-		os=-xenix
+	ose*)
+		os=ose
 		;;
-	-none)
+	*mint | mint[0-9]* | *MiNT | MiNT[0-9]*)
+		os=mint
+		;;
+	dicos*)
+		os=dicos
+		;;
+	pikeos*)
+		# Until real need of OS specific support for
+		# particular features comes up, bare metal
+		# configurations are quite functional.
+		case $cpu in
+		    arm*)
+			os=eabi
+			;;
+		    *)
+			os=elf
+			;;
+		esac
 		;;
 	*)
-		# Get rid of the `-' at the beginning of $os.
-		os=`echo $os | sed 's/[^-]*-//'`
-		echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
-		exit 1
+		# No normalization, but not necessarily accepted, that comes below.
 		;;
 esac
+
 else
 
 # Here we handle the default operating systems that come with various machines.
@@ -805,163 +1522,363 @@ else
 # will signal an error saying that MANUFACTURER isn't an operating
 # system, and we'll never get to this point.
 
-case $basic_machine in
+kernel=
+case $cpu-$vendor in
+	score-*)
+		os=elf
+		;;
+	spu-*)
+		os=elf
+		;;
 	*-acorn)
-		os=-riscix1.2
+		os=riscix1.2
+		;;
+	arm*-rebel)
+		kernel=linux
+		os=gnu
 		;;
 	arm*-semi)
-		os=-aout
+		os=aout
+		;;
+	c4x-* | tic4x-*)
+		os=coff
+		;;
+	c8051-*)
+		os=elf
+		;;
+	clipper-intergraph)
+		os=clix
 		;;
-        pdp11-*)
-		os=-none
+	hexagon-*)
+		os=elf
+		;;
+	tic54x-*)
+		os=coff
+		;;
+	tic55x-*)
+		os=coff
+		;;
+	tic6x-*)
+		os=coff
+		;;
+	# This must come before the *-dec entry.
+	pdp10-*)
+		os=tops20
+		;;
+	pdp11-*)
+		os=none
 		;;
 	*-dec | vax-*)
-		os=-ultrix4.2
+		os=ultrix4.2
 		;;
 	m68*-apollo)
-		os=-domain
+		os=domain
 		;;
 	i386-sun)
-		os=-sunos4.0.2
+		os=sunos4.0.2
 		;;
 	m68000-sun)
-		os=-sunos3
-		# This also exists in the configure program, but was not the
-		# default.
-		# os=-sunos4
+		os=sunos3
+		;;
+	m68*-cisco)
+		os=aout
+		;;
+	mep-*)
+		os=elf
+		;;
+	mips*-cisco)
+		os=elf
+		;;
+	mips*-*)
+		os=elf
+		;;
+	or32-*)
+		os=coff
 		;;
 	*-tti)	# must be before sparc entry or we get the wrong os.
-		os=-sysv3
+		os=sysv3
 		;;
 	sparc-* | *-sun)
-		os=-sunos4.1.1
+		os=sunos4.1.1
 		;;
-	*-be)
-		os=-beos
+	pru-*)
+		os=elf
 		;;
-	s390-ibm)
-		os=-os390  #  /* S/390 -- gil -- 1451 */
+	*-be)
+		os=beos
 		;;
 	*-ibm)
-		os=-aix
+		os=aix
+		;;
+	*-knuth)
+		os=mmixware
+		;;
+	*-wec)
+		os=proelf
+		;;
+	*-winbond)
+		os=proelf
+		;;
+	*-oki)
+		os=proelf
 		;;
 	*-hp)
-		os=-hpux
+		os=hpux
 		;;
 	*-hitachi)
-		os=-hiux
+		os=hiux
 		;;
 	i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
-		os=-sysv
+		os=sysv
 		;;
 	*-cbm)
-		os=-amigaos
+		os=amigaos
 		;;
 	*-dg)
-		os=-dgux
+		os=dgux
 		;;
 	*-dolphin)
-		os=-sysv3
+		os=sysv3
 		;;
 	m68k-ccur)
-		os=-rtu
+		os=rtu
 		;;
 	m88k-omron*)
-		os=-luna
+		os=luna
 		;;
-	*-next )
-		os=-nextstep
+	*-next)
+		os=nextstep
 		;;
 	*-sequent)
-		os=-ptx
+		os=ptx
 		;;
 	*-crds)
-		os=-unos
+		os=unos
 		;;
 	*-ns)
-		os=-genix
+		os=genix
 		;;
 	i370-*)
-		os=-mvs
+		os=mvs
 		;;
-	*-next)
-		os=-nextstep3
+	*-gould)
+		os=sysv
 		;;
-        *-gould)
-		os=-sysv
-		;;
-        *-highlevel)
-		os=-bsd
+	*-highlevel)
+		os=bsd
 		;;
 	*-encore)
-		os=-bsd
+		os=bsd
 		;;
-        *-sgi)
-		os=-irix
+	*-sgi)
+		os=irix
 		;;
-        *-siemens)
-		os=-sysv4
+	*-siemens)
+		os=sysv4
 		;;
 	*-masscomp)
-		os=-rtu
+		os=rtu
+		;;
+	f30[01]-fujitsu | f700-fujitsu)
+		os=uxpv
+		;;
+	*-rom68k)
+		os=coff
+		;;
+	*-*bug)
+		os=coff
+		;;
+	*-apple)
+		os=macos
 		;;
-	f301-fujitsu)
-		os=-uxpv
+	*-atari*)
+		os=mint
+		;;
+	*-wrs)
+		os=vxworks
 		;;
 	*)
-		os=-none
+		os=none
 		;;
 esac
+
 fi
 
+# Now, validate our (potentially fixed-up) OS.
+case $os in
+	# Sometimes we do "kernel-libc", so those need to count as OSes.
+	musl* | newlib* | relibc* | uclibc*)
+		;;
+	# Likewise for "kernel-abi"
+	eabi* | gnueabi*)
+		;;
+	# VxWorks passes extra cpu info in the 4th filed.
+	simlinux | simwindows | spe)
+		;;
+	# Now accept the basic system types.
+	# The portable systems comes first.
+	# Each alternative MUST end in a * to match a version number.
+	gnu* | android* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
+	     | *vms* | esix* | aix* | cnk* | sunos | sunos[34]* \
+	     | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
+	     | sym* |  plan9* | psp* | sim* | xray* | os68k* | v88r* \
+	     | hiux* | abug | nacl* | netware* | windows* \
+	     | os9* | macos* | osx* | ios* \
+	     | mpw* | magic* | mmixware* | mon960* | lnews* \
+	     | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
+	     | aos* | aros* | cloudabi* | sortix* | twizzler* \
+	     | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
+	     | clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
+	     | mirbsd* | netbsd* | dicos* | openedition* | ose* \
+	     | bitrig* | openbsd* | secbsd* | solidbsd* | libertybsd* | os108* \
+	     | ekkobsd* | freebsd* | riscix* | lynxos* | os400* \
+	     | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
+	     | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
+	     | udi* | lites* | ieee* | go32* | aux* | hcos* \
+	     | chorusrdb* | cegcc* | glidix* | serenity* \
+	     | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
+	     | midipix* | mingw32* | mingw64* | mint* \
+	     | uxpv* | beos* | mpeix* | udk* | moxiebox* \
+	     | interix* | uwin* | mks* | rhapsody* | darwin* \
+	     | openstep* | oskit* | conix* | pw32* | nonstopux* \
+	     | storm-chaos* | tops10* | tenex* | tops20* | its* \
+	     | os2* | vos* | palmos* | uclinux* | nucleus* | morphos* \
+	     | scout* | superux* | sysv* | rtmk* | tpf* | windiss* \
+	     | powermax* | dnix* | nx6 | nx7 | sei* | dragonfly* \
+	     | skyos* | haiku* | rdos* | toppers* | drops* | es* \
+	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
+	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
+	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr*)
+		;;
+	# This one is extra strict with allowed versions
+	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
+		# Don't forget version if it is 3.2v4 or newer.
+		;;
+	none)
+		;;
+	*)
+		echo Invalid configuration \`"$1"\': OS \`"$os"\' not recognized 1>&2
+		exit 1
+		;;
+esac
+
+# As a final step for OS-related things, validate the OS-kernel combination
+# (given a valid OS), if there is a kernel.
+case $kernel-$os in
+	linux-gnu* | linux-dietlibc* | linux-android* | linux-newlib* \
+		   | linux-musl* | linux-relibc* | linux-uclibc* )
+		;;
+	uclinux-uclibc* )
+		;;
+	-dietlibc* | -newlib* | -musl* | -relibc* | -uclibc* )
+		# These are just libc implementations, not actual OSes, and thus
+		# require a kernel.
+		echo "Invalid configuration \`$1': libc \`$os' needs explicit kernel." 1>&2
+		exit 1
+		;;
+	kfreebsd*-gnu* | kopensolaris*-gnu*)
+		;;
+	vxworks-simlinux | vxworks-simwindows | vxworks-spe)
+		;;
+	nto-qnx*)
+		;;
+	os2-emx)
+		;;
+	*-eabi* | *-gnueabi*)
+		;;
+	-*)
+		# Blank kernel with real OS is always fine.
+		;;
+	*-*)
+		echo "Invalid configuration \`$1': Kernel \`$kernel' not known to work with OS \`$os'." 1>&2
+		exit 1
+		;;
+esac
+
 # Here we handle the case where we know the os, and the CPU type, but not the
 # manufacturer.  We pick the logical manufacturer.
-vendor=unknown
-case $basic_machine in
-	*-unknown)
-		case $os in
-			-riscix*)
+case $vendor in
+	unknown)
+		case $cpu-$os in
+			*-riscix*)
 				vendor=acorn
 				;;
-			-sunos*)
+			*-sunos*)
 				vendor=sun
 				;;
-			-aix*)
+			*-cnk* | *-aix*)
 				vendor=ibm
 				;;
-			-hpux*)
+			*-beos*)
+				vendor=be
+				;;
+			*-hpux*)
+				vendor=hp
+				;;
+			*-mpeix*)
 				vendor=hp
 				;;
-			-hiux*)
+			*-hiux*)
 				vendor=hitachi
 				;;
-			-unos*)
+			*-unos*)
 				vendor=crds
 				;;
-			-dgux*)
+			*-dgux*)
 				vendor=dg
 				;;
-			-luna*)
+			*-luna*)
 				vendor=omron
 				;;
-			-genix*)
+			*-genix*)
 				vendor=ns
 				;;
-			-mvs*)
+			*-clix*)
+				vendor=intergraph
+				;;
+			*-mvs* | *-opened*)
+				vendor=ibm
+				;;
+			*-os400*)
 				vendor=ibm
 				;;
-			-ptx*)
+			s390-* | s390x-*)
+				vendor=ibm
+				;;
+			*-ptx*)
 				vendor=sequent
 				;;
-			-vxsim* | -vxworks*)
+			*-tpf*)
+				vendor=ibm
+				;;
+			*-vxsim* | *-vxworks* | *-windiss*)
 				vendor=wrs
 				;;
-			-aux*)
+			*-aux*)
 				vendor=apple
 				;;
+			*-hms*)
+				vendor=hitachi
+				;;
+			*-mpw* | *-macos*)
+				vendor=apple
+				;;
+			*-*mint | *-mint[0-9]* | *-*MiNT | *-MiNT[0-9]*)
+				vendor=atari
+				;;
+			*-vos*)
+				vendor=stratus
+				;;
 		esac
-		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 		;;
 esac
 
-echo $basic_machine$os
+echo "$cpu-$vendor-${kernel:+$kernel-}$os"
+exit
+
+# Local variables:
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End: