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kc3-lang/SDL/build-scripts/config.sub

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  • Author : Ozkan Sezer
    Date : 2022-01-08 23:00:32
    Hash : 63d10a0a
    Message : updates to config.guess and config.sub from mainstream.

  • build-scripts/config.sub
  • #! /bin/sh
    # Configuration validation subroutine script.
    #   Copyright 1992-2022 Free Software Foundation, Inc.
    
    # shellcheck disable=SC2006,SC2268 # see below for rationale
    
    timestamp='2022-01-03'
    
    # 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.
    #
    # You should have received a copy of the GNU General Public License
    # 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.  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.
    # Each package is responsible for reporting which valid configurations
    # it does not support.  The user should be able to distinguish
    # a failure to support a valid configuration from a meaningless
    # configuration.
    
    # The goal of this file is to map all the various variations of a given
    # machine specification into a single specification in the form:
    #	CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
    # or in some cases, the newer four-part form:
    #	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
    # It is wrong to echo any other type of specification.
    
    # 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.
    
    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 1992-2022 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 ;;
    
        *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
    
    # 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 \`"$1"\': more than four components >&2
    		exit 1
    		;;
    	*-*-*-*)
    		basic_machine=$field1-$field2
    		basic_os=$field3-$field4
    		;;
    	*-*-*)
    		# Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two
    		# parts
    		maybe_os=$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
    		;;
    	*-*)
    		# 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
    		;;
    	*)
    		# 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
    		;;
    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
    		;;
    	op50n)
    		cpu=hppa1.1
    		vendor=oki
    		;;
    	op60c)
    		cpu=hppa1.1
    		vendor=oki
    		;;
    	ibm*)
    		cpu=i370
    		vendor=ibm
    		;;
    	orion105)
    		cpu=clipper
    		vendor=highlevel
    		;;
    	mac | mpw | mac-mpw)
    		cpu=m68k
    		vendor=apple
    		;;
    	pmac | pmac-mpw)
    		cpu=powerpc
    		vendor=apple
    		;;
    
    	# 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)
    		cpu=m68000
    		vendor=att
    		;;
    	3b*)
    		cpu=we32k
    		vendor=att
    		;;
    	bluegene*)
    		cpu=powerpc
    		vendor=ibm
    		basic_os=cnk
    		;;
    	decsystem10* | dec10*)
    		cpu=pdp10
    		vendor=dec
    		basic_os=tops10
    		;;
    	decsystem20* | dec20*)
    		cpu=pdp10
    		vendor=dec
    		basic_os=tops20
    		;;
    	delta | 3300 | motorola-3300 | motorola-delta \
    	      | 3300-motorola | delta-motorola)
    		cpu=m68k
    		vendor=motorola
    		;;
    	dpx2*)
    		cpu=m68k
    		vendor=bull
    		basic_os=sysv3
    		;;
    	encore | umax | mmax)
    		cpu=ns32k
    		vendor=encore
    		;;
    	elxsi)
    		cpu=elxsi
    		vendor=elxsi
    		basic_os=${basic_os:-bsd}
    		;;
    	fx2800)
    		cpu=i860
    		vendor=alliant
    		;;
    	genix)
    		cpu=ns32k
    		vendor=ns
    		;;
    	h3050r* | hiux*)
    		cpu=hppa1.1
    		vendor=hitachi
    		basic_os=hiuxwe2
    		;;
    	hp3k9[0-9][0-9] | hp9[0-9][0-9])
    		cpu=hppa1.0
    		vendor=hp
    		;;
    	hp9k2[0-9][0-9] | hp9k31[0-9])
    		cpu=m68000
    		vendor=hp
    		;;
    	hp9k3[2-9][0-9])
    		cpu=m68k
    		vendor=hp
    		;;
    	hp9k6[0-9][0-9] | hp6[0-9][0-9])
    		cpu=hppa1.0
    		vendor=hp
    		;;
    	hp9k7[0-79][0-9] | hp7[0-79][0-9])
    		cpu=hppa1.1
    		vendor=hp
    		;;
    	hp9k78[0-9] | hp78[0-9])
    		# FIXME: really hppa2.0-hp
    		cpu=hppa1.1
    		vendor=hp
    		;;
    	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
    		;;
    	hp9k8[0-9][13679] | hp8[0-9][13679])
    		cpu=hppa1.1
    		vendor=hp
    		;;
    	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}
    		;;
    	iris | iris4d)
    		cpu=mips
    		vendor=sgi
    		case $basic_os in
    		    irix*)
    			;;
    		    *)
    			basic_os=irix4
    			;;
    		esac
    		;;
    	miniframe)
    		cpu=m68000
    		vendor=convergent
    		;;
    	*mint | mint[0-9]* | *MiNT | *MiNT[0-9]*)
    		cpu=m68k
    		vendor=atari
    		basic_os=mint
    		;;
    	news-3600 | risc-news)
    		cpu=mips
    		vendor=sony
    		basic_os=newsos
    		;;
    	next | m*-next)
    		cpu=m68k
    		vendor=next
    		case $basic_os in
    		    openstep*)
    		        ;;
    		    nextstep*)
    			;;
    		    ns2*)
    		      basic_os=nextstep2
    			;;
    		    *)
    		      basic_os=nextstep3
    			;;
    		esac
    		;;
    	np1)
    		cpu=np1
    		vendor=gould
    		;;
    	op50n-* | op60c-*)
    		cpu=hppa1.1
    		vendor=oki
    		basic_os=proelf
    		;;
    	pa-hitachi)
    		cpu=hppa1.1
    		vendor=hitachi
    		basic_os=hiuxwe2
    		;;
    	pbd)
    		cpu=sparc
    		vendor=tti
    		;;
    	pbb)
    		cpu=m68k
    		vendor=tti
    		;;
    	pc532)
    		cpu=ns32k
    		vendor=pc532
    		;;
    	pn)
    		cpu=pn
    		vendor=gould
    		;;
    	power)
    		cpu=power
    		vendor=ibm
    		;;
    	ps2)
    		cpu=i386
    		vendor=ibm
    		;;
    	rm[46]00)
    		cpu=mips
    		vendor=siemens
    		;;
    	rtpc | rtpc-*)
    		cpu=romp
    		vendor=ibm
    		;;
    	sde)
    		cpu=mipsisa32
    		vendor=sde
    		basic_os=${basic_os:-elf}
    		;;
    	simso-wrs)
    		cpu=sparclite
    		vendor=wrs
    		basic_os=vxworks
    		;;
    	tower | tower-32)
    		cpu=m68k
    		vendor=ncr
    		;;
    	vpp*|vx|vx-*)
    		cpu=f301
    		vendor=fujitsu
    		;;
    	w65)
    		cpu=w65
    		vendor=wdc
    		;;
    	w89k-*)
    		cpu=hppa1.1
    		vendor=winbond
    		basic_os=proelf
    		;;
    	none)
    		cpu=none
    		vendor=none
    		;;
    	leon|leon[3-9])
    		cpu=sparc
    		vendor=$basic_machine
    		;;
    	leon-*|leon[3-9]-*)
    		cpu=sparc
    		vendor=`echo "$basic_machine" | sed 's/-.*//'`
    		;;
    
    	*-*)
    		# shellcheck disable=SC2162
    		saved_IFS=$IFS
    		IFS="-" read cpu vendor <<EOF
    $basic_machine
    EOF
    		IFS=$saved_IFS
    		;;
    	# 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=$basic_machine
    		vendor=pc
    		;;
    	# These rules are duplicated from below for sake of the special case above;
    	# i.e. things that normalized to x86 arches should also default to "pc"
    	pc98)
    		cpu=i386
    		vendor=pc
    		;;
    	x64 | amd64)
    		cpu=x86_64
    		vendor=pc
    		;;
    	# Recognize the basic CPU types without company name.
    	*)
    		cpu=$basic_machine
    		vendor=unknown
    		;;
    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=${basic_os:-unicosmp}
    		;;
    	c90-unknown | c90-cray)
    		vendor=cray
    		basic_os=${Basic_os:-unicos}
    		;;
    	fx80-unknown)
    		vendor=alliant
    		;;
    	romp-unknown)
    		vendor=ibm
    		;;
    	mmix-unknown)
    		vendor=knuth
    		;;
    	microblaze-unknown | microblazeel-unknown)
    		vendor=xilinx
    		;;
    	rs6000-unknown)
    		vendor=ibm
    		;;
    	vax-unknown)
    		vendor=dec
    		;;
    	pdp11-unknown)
    		vendor=dec
    		;;
    	we32k-unknown)
    		vendor=att
    		;;
    	cydra-unknown)
    		vendor=cydrome
    		;;
    	i370-ibm*)
    		vendor=ibm
    		;;
    	orion-unknown)
    		vendor=highlevel
    		;;
    	xps-unknown | xps100-unknown)
    		cpu=xps100
    		vendor=honeywell
    		;;
    
    	# Here we normalize CPU types with a missing or matching vendor
    	armh-unknown | armh-alt)
    		cpu=armv7l
    		vendor=alt
    		basic_os=${basic_os:-linux-gnueabihf}
    		;;
    	dpx20-unknown | dpx20-bull)
    		cpu=rs6000
    		vendor=bull
    		basic_os=${basic_os:-bosx}
    		;;
    
    	# Here we normalize CPU types irrespective of the vendor
    	amd64-*)
    		cpu=x86_64
    		;;
    	blackfin-*)
    		cpu=bfin
    		basic_os=linux
    		;;
    	c54x-*)
    		cpu=tic54x
    		;;
    	c55x-*)
    		cpu=tic55x
    		;;
    	c6x-*)
    		cpu=tic6x
    		;;
    	e500v[12]-*)
    		cpu=powerpc
    		basic_os=${basic_os}"spe"
    		;;
    	mips3*-*)
    		cpu=mips64
    		;;
    	ms1-*)
    		cpu=mt
    		;;
    	m68knommu-*)
    		cpu=m68k
    		basic_os=linux
    		;;
    	m9s12z-* | m68hcs12z-* | hcs12z-* | s12z-*)
    		cpu=s12z
    		;;
    	openrisc-*)
    		cpu=or32
    		;;
    	parisc-*)
    		cpu=hppa
    		basic_os=linux
    		;;
    	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
    		cpu=i586
    		;;
    	pentiumpro-* | p6-* | 6x86-* | athlon-* | athalon_*-*)
    		cpu=i686
    		;;
    	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
    		cpu=i686
    		;;
    	pentium4-*)
    		cpu=i786
    		;;
    	pc98-*)
    		cpu=i386
    		;;
    	ppc-* | ppcbe-*)
    		cpu=powerpc
    		;;
    	ppcle-* | powerpclittle-*)
    		cpu=powerpcle
    		;;
    	ppc64-*)
    		cpu=powerpc64
    		;;
    	ppc64le-* | powerpc64little-*)
    		cpu=powerpc64le
    		;;
    	sb1-*)
    		cpu=mipsisa64sb1
    		;;
    	sb1el-*)
    		cpu=mipsisa64sb1el
    		;;
    	sh5e[lb]-*)
    		cpu=`echo "$cpu" | sed 's/^\(sh.\)e\(.\)$/\1\2e/'`
    		;;
    	spur-*)
    		cpu=spur
    		;;
    	strongarm-* | thumb-*)
    		cpu=arm
    		;;
    	tx39-*)
    		cpu=mipstx39
    		;;
    	tx39el-*)
    		cpu=mipstx39el
    		;;
    	x64-*)
    		cpu=x86_64
    		;;
    	xscale-* | xscalee[bl]-*)
    		cpu=`echo "$cpu" | sed 's/^xscale/arm/'`
    		;;
    	arm64-* | aarch64le-*)
    		cpu=aarch64
    		;;
    
    	# Recognize the canonical CPU Types that limit and/or modify the
    	# company names they are paired with.
    	cr16-*)
    		basic_os=${basic_os:-elf}
    		;;
    	crisv32-* | etraxfs*-*)
    		cpu=crisv32
    		vendor=axis
    		;;
    	cris-* | etrax*-*)
    		cpu=cris
    		vendor=axis
    		;;
    	crx-*)
    		basic_os=${basic_os:-elf}
    		;;
    	neo-tandem)
    		cpu=neo
    		vendor=tandem
    		;;
    	nse-tandem)
    		cpu=nse
    		vendor=tandem
    		;;
    	nsr-tandem)
    		cpu=nsr
    		vendor=tandem
    		;;
    	nsv-tandem)
    		cpu=nsv
    		vendor=tandem
    		;;
    	nsx-tandem)
    		cpu=nsx
    		vendor=tandem
    		;;
    	mipsallegrexel-sony)
    		cpu=mipsallegrexel
    		vendor=sony
    		;;
    	tile*-*)
    		basic_os=${basic_os:-linux-gnu}
    		;;
    
    	*)
    		# 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
    		;;
    esac
    
    # Here we canonicalize certain aliases for manufacturers.
    case $vendor in
    	digital*)
    		vendor=dec
    		;;
    	commodore*)
    		vendor=cbm
    		;;
    	*)
    		;;
    esac
    
    # Decode manufacturer-specific aliases for certain operating systems.
    
    if test x$basic_os != x
    then
    
    # First recognize some ad-hoc cases, 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|'`
    		;;
    	*)
    		kernel=
    		os=$basic_os
    		;;
    esac
    
    # Now, normalize the OS (knowing we just have one component, it's not a kernel,
    # etc.)
    case $os in
    	# First match some system type aliases that might get confused
    	# with valid system types.
    	# solaris* is a basic system type, with this one exception.
    	auroraux)
    		os=auroraux
    		;;
    	bluegene*)
    		os=cnk
    		;;
    	solaris1 | solaris1.*)
    		os=`echo "$os" | sed -e 's|solaris1|sunos4|'`
    		;;
    	solaris)
    		os=solaris2
    		;;
    	unixware*)
    		os=sysv4.2uw
    		;;
    	# es1800 is here to avoid being matched by es* (a different OS)
    	es1800*)
    		os=ose
    		;;
    	# Some version numbers need modification
    	chorusos*)
    		os=chorusos
    		;;
    	isc)
    		os=isc2.2
    		;;
    	sco6)
    		os=sco5v6
    		;;
    	sco5)
    		os=sco3.2v5
    		;;
    	sco4)
    		os=sco3.2v4
    		;;
    	sco3.2.[4-9]*)
    		os=`echo "$os" | sed -e 's/sco3.2./sco3.2v/'`
    		;;
    	sco*v* | scout)
    		# Don't match below
    		;;
    	sco*)
    		os=sco3.2v2
    		;;
    	psos*)
    		os=psos
    		;;
    	qnx*)
    		os=qnx
    		;;
    	hiux*)
    		os=hiuxwe2
    		;;
    	lynx*178)
    		os=lynxos178
    		;;
    	lynx*5)
    		os=lynxos5
    		;;
    	lynxos*)
    		# don't get caught up in next wildcard
    		;;
    	lynx*)
    		os=lynxos
    		;;
    	mac[0-9]*)
    		os=`echo "$os" | sed -e 's|mac|macos|'`
    		;;
    	opened*)
    		os=openedition
    		;;
    	os400*)
    		os=os400
    		;;
    	sunos5*)
    		os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
    		;;
    	sunos6*)
    		os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
    		;;
    	wince*)
    		os=wince
    		;;
    	utek*)
    		os=bsd
    		;;
    	dynix*)
    		os=bsd
    		;;
    	acis*)
    		os=aos
    		;;
    	atheos*)
    		os=atheos
    		;;
    	syllable*)
    		os=syllable
    		;;
    	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|'`
    		;;
    	sinix*)
    		os=sysv4
    		;;
    	tpf*)
    		os=tpf
    		;;
    	triton*)
    		os=sysv3
    		;;
    	oss*)
    		os=sysv3
    		;;
    	svr4*)
    		os=sysv4
    		;;
    	svr3)
    		os=sysv3
    		;;
    	sysvr4)
    		os=sysv4
    		;;
    	ose*)
    		os=ose
    		;;
    	*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
    		;;
    	*)
    		# No normalization, but not necessarily accepted, that comes below.
    		;;
    esac
    
    else
    
    # Here we handle the default operating systems that come with various machines.
    # The value should be what the vendor currently ships out the door with their
    # machine or put another way, the most popular os provided with the machine.
    
    # Note that if you're going to try to match "-MANUFACTURER" here (say,
    # "-sun"), then you have to tell the case statement up towards the top
    # that MANUFACTURER isn't an operating system.  Otherwise, code above
    # will signal an error saying that MANUFACTURER isn't an operating
    # system, and we'll never get to this point.
    
    kernel=
    case $cpu-$vendor in
    	score-*)
    		os=elf
    		;;
    	spu-*)
    		os=elf
    		;;
    	*-acorn)
    		os=riscix1.2
    		;;
    	arm*-rebel)
    		kernel=linux
    		os=gnu
    		;;
    	arm*-semi)
    		os=aout
    		;;
    	c4x-* | tic4x-*)
    		os=coff
    		;;
    	c8051-*)
    		os=elf
    		;;
    	clipper-intergraph)
    		os=clix
    		;;
    	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
    		;;
    	m68*-apollo)
    		os=domain
    		;;
    	i386-sun)
    		os=sunos4.0.2
    		;;
    	m68000-sun)
    		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
    		;;
    	sparc-* | *-sun)
    		os=sunos4.1.1
    		;;
    	pru-*)
    		os=elf
    		;;
    	*-be)
    		os=beos
    		;;
    	*-ibm)
    		os=aix
    		;;
    	*-knuth)
    		os=mmixware
    		;;
    	*-wec)
    		os=proelf
    		;;
    	*-winbond)
    		os=proelf
    		;;
    	*-oki)
    		os=proelf
    		;;
    	*-hp)
    		os=hpux
    		;;
    	*-hitachi)
    		os=hiux
    		;;
    	i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
    		os=sysv
    		;;
    	*-cbm)
    		os=amigaos
    		;;
    	*-dg)
    		os=dgux
    		;;
    	*-dolphin)
    		os=sysv3
    		;;
    	m68k-ccur)
    		os=rtu
    		;;
    	m88k-omron*)
    		os=luna
    		;;
    	*-next)
    		os=nextstep
    		;;
    	*-sequent)
    		os=ptx
    		;;
    	*-crds)
    		os=unos
    		;;
    	*-ns)
    		os=genix
    		;;
    	i370-*)
    		os=mvs
    		;;
    	*-gould)
    		os=sysv
    		;;
    	*-highlevel)
    		os=bsd
    		;;
    	*-encore)
    		os=bsd
    		;;
    	*-sgi)
    		os=irix
    		;;
    	*-siemens)
    		os=sysv4
    		;;
    	*-masscomp)
    		os=rtu
    		;;
    	f30[01]-fujitsu | f700-fujitsu)
    		os=uxpv
    		;;
    	*-rom68k)
    		os=coff
    		;;
    	*-*bug)
    		os=coff
    		;;
    	*-apple)
    		os=macos
    		;;
    	*-atari*)
    		os=mint
    		;;
    	*-wrs)
    		os=vxworks
    		;;
    	*)
    		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* \
    	     | fiwix* )
    		;;
    	# 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.
    case $vendor in
    	unknown)
    		case $cpu-$os in
    			*-riscix*)
    				vendor=acorn
    				;;
    			*-sunos*)
    				vendor=sun
    				;;
    			*-cnk* | *-aix*)
    				vendor=ibm
    				;;
    			*-beos*)
    				vendor=be
    				;;
    			*-hpux*)
    				vendor=hp
    				;;
    			*-mpeix*)
    				vendor=hp
    				;;
    			*-hiux*)
    				vendor=hitachi
    				;;
    			*-unos*)
    				vendor=crds
    				;;
    			*-dgux*)
    				vendor=dg
    				;;
    			*-luna*)
    				vendor=omron
    				;;
    			*-genix*)
    				vendor=ns
    				;;
    			*-clix*)
    				vendor=intergraph
    				;;
    			*-mvs* | *-opened*)
    				vendor=ibm
    				;;
    			*-os400*)
    				vendor=ibm
    				;;
    			s390-* | s390x-*)
    				vendor=ibm
    				;;
    			*-ptx*)
    				vendor=sequent
    				;;
    			*-tpf*)
    				vendor=ibm
    				;;
    			*-vxsim* | *-vxworks* | *-windiss*)
    				vendor=wrs
    				;;
    			*-aux*)
    				vendor=apple
    				;;
    			*-hms*)
    				vendor=hitachi
    				;;
    			*-mpw* | *-macos*)
    				vendor=apple
    				;;
    			*-*mint | *-mint[0-9]* | *-*MiNT | *-MiNT[0-9]*)
    				vendor=atari
    				;;
    			*-vos*)
    				vendor=stratus
    				;;
    		esac
    		;;
    esac
    
    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: