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

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• Hash : 0e45984f
  Author :
  Date : 2015-06-21T17:33:46
  

  Fixed crash if initialization of EGL failed but was tried again later. The internal function SDL_EGL_LoadLibrary() did not delete and remove a mostly uninitialized data structure if loading the library first failed. A later try to use EGL then skipped initialization and assumed it was previously successful because the data structure now already existed. This led to at least one crash in the internal function SDL_EGL_ChooseConfig() because a NULL pointer was dereferenced to make a call to eglBindAPI().

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• build-scripts/config.sub

• #! /bin/sh
  # Configuration validation subroutine script.
  #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
  #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
  #   2011, 2012 Free Software Foundation, Inc.
  
  timestamp='2012-08-18'
  
  # 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
  # (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 <http://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.
  
  
  # Please send patches to <config-patches@gnu.org>.  Submit a context
  # diff and a properly formatted GNU ChangeLog entry.
  #
  # 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:
  # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
  
  # 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.
  
  me=`echo "$0" | sed -e 's,.*/,,'`
  
  usage="\
  Usage: $0 [OPTION] CPU-MFR-OPSYS
         $0 [OPTION] ALIAS
  
  Canonicalize a configuration name.
  
  Operation modes:
    -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 (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
  2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
  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"
         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
  
  # 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 $maybe_os in
    nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
    linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
    knetbsd*-gnu* | netbsd*-gnu* | \
    kopensolaris*-gnu* | \
    storm-chaos* | os2-emx* | rtmk-nova*)
      os=-$maybe_os
      basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
      ;;
    android-linux)
      os=-linux-android
      basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown
      ;;
    *)
      basic_machine=`echo $1 | sed 's/-[^-]*$//'`
      if [ $basic_machine != $1 ]
      then os=`echo $1 | sed 's/.*-/-/'`
      else os=; fi
      ;;
  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 | -axis | -knuth | -cray | -microblaze)
  		os=
  		basic_machine=$1
  		;;
  	-bluegene*)
  		os=-cnk
  		;;
  	-sim | -cisco | -oki | -wec | -winbond)
  		os=
  		basic_machine=$1
  		;;
  	-scout)
  		;;
  	-wrs)
  		os=-vxworks
  		basic_machine=$1
  		;;
  	-chorusos*)
  		os=-chorusos
  		basic_machine=$1
  		;;
  	-chorusrdb)
  		os=-chorusrdb
  		basic_machine=$1
  		;;
  	-hiux*)
  		os=-hiuxwe2
  		;;
  	-sco6)
  		os=-sco5v6
  		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  		;;
  	-sco5)
  		os=-sco3.2v5
  		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  		;;
  	-sco4)
  		os=-sco3.2v4
  		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  		;;
  	-sco3.2.[4-9]*)
  		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
  		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  		;;
  	-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/'`
  		;;
  	-sco5v6*)
  		# Don't forget version if it is 3.2v4 or newer.
  		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  		;;
  	-sco*)
  		os=-sco3.2v2
  		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  		;;
  	-udk*)
  		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  		;;
  	-isc)
  		os=-isc2.2
  		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  		;;
  	-clix*)
  		basic_machine=clipper-intergraph
  		;;
  	-isc*)
  		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  		;;
  	-lynx*178)
  		os=-lynxos178
  		;;
  	-lynx*5)
  		os=-lynxos5
  		;;
  	-lynx*)
  		os=-lynxos
  		;;
  	-ptx*)
  		basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
  		;;
  	-windowsnt*)
  		os=`echo $os | sed -e 's/windowsnt/winnt/'`
  		;;
  	-psos*)
  		os=-psos
  		;;
  	-mint | -mint[0-9]*)
  		basic_machine=m68k-atari
  		os=-mint
  		;;
  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.
  	1750a | 580 \
  	| a29k \
  	| aarch64 | aarch64_be \
  	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
  	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
  	| am33_2.0 \
  	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
          | be32 | be64 \
  	| bfin \
  	| c4x | clipper \
  	| d10v | d30v | dlx | dsp16xx \
  	| epiphany \
  	| fido | fr30 | frv \
  	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
  	| hexagon \
  	| i370 | i860 | i960 | ia64 \
  	| ip2k | iq2000 \
  	| le32 | le64 \
  	| lm32 \
  	| m32c | m32r | m32rle | m68000 | m68k | m88k \
  	| maxq | mb | microblaze | mcore | mep | metag \
  	| mips | mipsbe | mipseb | mipsel | mipsle \
  	| mips16 \
  	| mips64 | mips64el \
  	| mips64octeon | mips64octeonel \
  	| mips64orion | mips64orionel \
  	| mips64r5900 | mips64r5900el \
  	| mips64vr | mips64vrel \
  	| mips64vr4100 | mips64vr4100el \
  	| mips64vr4300 | mips64vr4300el \
  	| mips64vr5000 | mips64vr5000el \
  	| mips64vr5900 | mips64vr5900el \
  	| mipsisa32 | mipsisa32el \
  	| mipsisa32r2 | mipsisa32r2el \
  	| mipsisa64 | mipsisa64el \
  	| mipsisa64r2 | mipsisa64r2el \
  	| mipsisa64sb1 | mipsisa64sb1el \
  	| mipsisa64sr71k | mipsisa64sr71kel \
  	| mipstx39 | mipstx39el \
  	| mn10200 | mn10300 \
  	| moxie \
  	| mt \
  	| msp430 \
  	| nds32 | nds32le | nds32be \
  	| nios | nios2 \
  	| ns16k | ns32k \
  	| open8 \
  	| or32 \
  	| pdp10 | pdp11 | pj | pjl \
  	| powerpc | powerpc64 | powerpc64le | powerpcle \
  	| pyramid \
  	| rl78 | rx \
  	| score \
  	| sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
  	| sh64 | sh64le \
  	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
  	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
  	| spu \
  	| tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
  	| ubicom32 \
  	| v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
  	| we32k \
  	| x86 | xc16x | xstormy16 | xtensa \
  	| z8k | z80)
  		basic_machine=$basic_machine-unknown
  		;;
  	c54x)
  		basic_machine=tic54x-unknown
  		;;
  	c55x)
  		basic_machine=tic55x-unknown
  		;;
  	c6x)
  		basic_machine=tic6x-unknown
  		;;
  	m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip)
  		basic_machine=$basic_machine-unknown
  		os=-none
  		;;
  	m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
  		;;
  	ms1)
  		basic_machine=mt-unknown
  		;;
  
  	strongarm | thumb | xscale)
  		basic_machine=arm-unknown
  		;;
  	xgate)
  		basic_machine=$basic_machine-unknown
  		os=-none
  		;;
  	xscaleeb)
  		basic_machine=armeb-unknown
  		;;
  
  	xscaleel)
  		basic_machine=armel-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*86 | x86_64)
  	  basic_machine=$basic_machine-pc
  	  ;;
  	nacl64*)
  		basic_machine=x86_64-pc
  		os=-nacl
  		;;
  	nacl*)
  		basic_machine=i686-pc
  		os=-nacl
  		;;
  	pnacl*)
  		# le32-unknown-pnacl comes from http://www.chromium.org/nativeclient/pnacl/stability-of-the-pnacl-bitcode-abi
  		basic_machine=le32-unknown
  		os=-pnacl
  		;;
  	# 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.
  	580-* \
  	| a29k-* \
  	| aarch64-* | aarch64_be-* \
  	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
  	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
  	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
  	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
  	| avr-* | avr32-* \
  	| be32-* | be64-* \
  	| bfin-* | bs2000-* \
  	| c[123]* | c30-* | [cjt]90-* | c4x-* \
  	| clipper-* | craynv-* | cydra-* \
  	| d10v-* | d30v-* | dlx-* \
  	| elxsi-* \
  	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
  	| h8300-* | h8500-* \
  	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
  	| hexagon-* \
  	| i*86-* | i860-* | i960-* | ia64-* \
  	| ip2k-* | iq2000-* \
  	| le32-* | le64-* \
  	| lm32-* \
  	| m32c-* | m32r-* | m32rle-* \
  	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
  	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \
  	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
  	| mips16-* \
  	| mips64-* | mips64el-* \
  	| mips64octeon-* | mips64octeonel-* \
  	| mips64orion-* | mips64orionel-* \
  	| mips64r5900-* | mips64r5900el-* \
  	| mips64vr-* | mips64vrel-* \
  	| mips64vr4100-* | mips64vr4100el-* \
  	| mips64vr4300-* | mips64vr4300el-* \
  	| mips64vr5000-* | mips64vr5000el-* \
  	| mips64vr5900-* | mips64vr5900el-* \
  	| mipsisa32-* | mipsisa32el-* \
  	| mipsisa32r2-* | mipsisa32r2el-* \
  	| mipsisa64-* | mipsisa64el-* \
  	| mipsisa64r2-* | mipsisa64r2el-* \
  	| mipsisa64sb1-* | mipsisa64sb1el-* \
  	| mipsisa64sr71k-* | mipsisa64sr71kel-* \
  	| mipstx39-* | mipstx39el-* \
  	| mmix-* \
  	| mt-* \
  	| msp430-* \
  	| nds32-* | nds32le-* | nds32be-* \
  	| nios-* | nios2-* \
  	| none-* | np1-* | ns16k-* | ns32k-* \
  	| open8-* \
  	| orion-* \
  	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
  	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
  	| pyramid-* \
  	| rl78-* | romp-* | rs6000-* | rx-* \
  	| sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
  	| shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
  	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
  	| sparclite-* \
  	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \
  	| tahoe-* \
  	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
  	| tile*-* \
  	| tron-* \
  	| ubicom32-* \
  	| v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
  	| vax-* \
  	| we32k-* \
  	| x86-* | x86_64-* | xc16x-* | xps100-* \
  	| xstormy16-* | xtensa*-* \
  	| ymp-* \
  	| z8k-* | z80-*)
  		;;
  	# Recognize the basic CPU types without company name, with glob match.
  	xtensa*)
  		basic_machine=$basic_machine-unknown
  		;;
  	# Recognize the various machine names and aliases which stand
  	# for a CPU type and a company and sometimes even an OS.
  	386bsd)
  		basic_machine=i386-unknown
  		os=-bsd
  		;;
  	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
  		basic_machine=m68000-att
  		;;
  	3b*)
  		basic_machine=we32k-att
  		;;
  	a29khif)
  		basic_machine=a29k-amd
  		os=-udi
  		;;
  	abacus)
  		basic_machine=abacus-unknown
  		;;
  	adobe68k)
  		basic_machine=m68010-adobe
  		os=-scout
  		;;
  	alliant | fx80)
  		basic_machine=fx80-alliant
  		;;
  	altos | altos3068)
  		basic_machine=m68k-altos
  		;;
  	am29k)
  		basic_machine=a29k-none
  		os=-bsd
  		;;
  	amd64)
  		basic_machine=x86_64-pc
  		;;
  	amd64-*)
  		basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	amdahl)
  		basic_machine=580-amdahl
  		os=-sysv
  		;;
  	amiga | amiga-*)
  		basic_machine=m68k-unknown
  		;;
  	amigaos | amigados)
  		basic_machine=m68k-unknown
  		os=-amigaos
  		;;
  	amigaunix | amix)
  		basic_machine=m68k-unknown
  		os=-sysv4
  		;;
  	apollo68)
  		basic_machine=m68k-apollo
  		os=-sysv
  		;;
  	apollo68bsd)
  		basic_machine=m68k-apollo
  		os=-bsd
  		;;
  	aros)
  		basic_machine=i386-pc
  		os=-aros
  		;;
  	aux)
  		basic_machine=m68k-apple
  		os=-aux
  		;;
  	balance)
  		basic_machine=ns32k-sequent
  		os=-dynix
  		;;
  	blackfin)
  		basic_machine=bfin-unknown
  		os=-linux
  		;;
  	blackfin-*)
  		basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
  		os=-linux
  		;;
  	bluegene*)
  		basic_machine=powerpc-ibm
  		os=-cnk
  		;;
  	c54x-*)
  		basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	c55x-*)
  		basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	c6x-*)
  		basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	c90)
  		basic_machine=c90-cray
  		os=-unicos
  		;;
  	cegcc)
  		basic_machine=arm-unknown
  		os=-cegcc
  		;;
  	convex-c1)
  		basic_machine=c1-convex
  		os=-bsd
  		;;
  	convex-c2)
  		basic_machine=c2-convex
  		os=-bsd
  		;;
  	convex-c32)
  		basic_machine=c32-convex
  		os=-bsd
  		;;
  	convex-c34)
  		basic_machine=c34-convex
  		os=-bsd
  		;;
  	convex-c38)
  		basic_machine=c38-convex
  		os=-bsd
  		;;
  	cray | j90)
  		basic_machine=j90-cray
  		os=-unicos
  		;;
  	craynv)
  		basic_machine=craynv-cray
  		os=-unicosmp
  		;;
  	cr16 | cr16-*)
  		basic_machine=cr16-unknown
  		os=-elf
  		;;
  	crds | unos)
  		basic_machine=m68k-crds
  		;;
  	crisv32 | crisv32-* | etraxfs*)
  		basic_machine=crisv32-axis
  		;;
  	cris | cris-* | etrax*)
  		basic_machine=cris-axis
  		;;
  	crx)
  		basic_machine=crx-unknown
  		os=-elf
  		;;
  	da30 | da30-*)
  		basic_machine=m68k-da30
  		;;
  	decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
  		basic_machine=mips-dec
  		;;
  	decsystem10* | dec10*)
  		basic_machine=pdp10-dec
  		os=-tops10
  		;;
  	decsystem20* | dec20*)
  		basic_machine=pdp10-dec
  		os=-tops20
  		;;
  	delta | 3300 | motorola-3300 | motorola-delta \
  	      | 3300-motorola | delta-motorola)
  		basic_machine=m68k-motorola
  		;;
  	delta88)
  		basic_machine=m88k-motorola
  		os=-sysv3
  		;;
  	dicos)
  		basic_machine=i686-pc
  		os=-dicos
  		;;
  	djgpp)
  		basic_machine=i586-pc
  		os=-msdosdjgpp
  		;;
  	dpx20 | dpx20-*)
  		basic_machine=rs6000-bull
  		os=-bosx
  		;;
  	dpx2* | dpx2*-bull)
  		basic_machine=m68k-bull
  		os=-sysv3
  		;;
  	ebmon29k)
  		basic_machine=a29k-amd
  		os=-ebmon
  		;;
  	elxsi)
  		basic_machine=elxsi-elxsi
  		os=-bsd
  		;;
  	encore | umax | mmax)
  		basic_machine=ns32k-encore
  		;;
  	es1800 | OSE68k | ose68k | ose | OSE)
  		basic_machine=m68k-ericsson
  		os=-ose
  		;;
  	fx2800)
  		basic_machine=i860-alliant
  		;;
  	genix)
  		basic_machine=ns32k-ns
  		;;
  	gmicro)
  		basic_machine=tron-gmicro
  		os=-sysv
  		;;
  	go32)
  		basic_machine=i386-pc
  		os=-go32
  		;;
  	h3050r* | hiux*)
  		basic_machine=hppa1.1-hitachi
  		os=-hiuxwe2
  		;;
  	h8300hms)
  		basic_machine=h8300-hitachi
  		os=-hms
  		;;
  	h8300xray)
  		basic_machine=h8300-hitachi
  		os=-xray
  		;;
  	h8500hms)
  		basic_machine=h8500-hitachi
  		os=-hms
  		;;
  	harris)
  		basic_machine=m88k-harris
  		os=-sysv3
  		;;
  	hp300-*)
  		basic_machine=m68k-hp
  		;;
  	hp300bsd)
  		basic_machine=m68k-hp
  		os=-bsd
  		;;
  	hp300hpux)
  		basic_machine=m68k-hp
  		os=-hpux
  		;;
  	hp3k9[0-9][0-9] | hp9[0-9][0-9])
  		basic_machine=hppa1.0-hp
  		;;
  	hp9k2[0-9][0-9] | hp9k31[0-9])
  		basic_machine=m68000-hp
  		;;
  	hp9k3[2-9][0-9])
  		basic_machine=m68k-hp
  		;;
  	hp9k6[0-9][0-9] | hp6[0-9][0-9])
  		basic_machine=hppa1.0-hp
  		;;
  	hp9k7[0-79][0-9] | hp7[0-79][0-9])
  		basic_machine=hppa1.1-hp
  		;;
  	hp9k78[0-9] | hp78[0-9])
  		# FIXME: really hppa2.0-hp
  		basic_machine=hppa1.1-hp
  		;;
  	hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
  		# FIXME: really hppa2.0-hp
  		basic_machine=hppa1.1-hp
  		;;
  	hp9k8[0-9][13679] | hp8[0-9][13679])
  		basic_machine=hppa1.1-hp
  		;;
  	hp9k8[0-9][0-9] | hp8[0-9][0-9])
  		basic_machine=hppa1.0-hp
  		;;
  	hppa-next)
  		os=-nextstep3
  		;;
  	hppaosf)
  		basic_machine=hppa1.1-hp
  		os=-osf
  		;;
  	hppro)
  		basic_machine=hppa1.1-hp
  		os=-proelf
  		;;
  	i370-ibm* | ibm*)
  		basic_machine=i370-ibm
  		;;
  	i*86v32)
  		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  		os=-sysv32
  		;;
  	i*86v4*)
  		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  		os=-sysv4
  		;;
  	i*86v)
  		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  		os=-sysv
  		;;
  	i*86sol2)
  		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  		os=-solaris2
  		;;
  	i386mach)
  		basic_machine=i386-mach
  		os=-mach
  		;;
  	i386-vsta | vsta)
  		basic_machine=i386-unknown
  		os=-vsta
  		;;
  	iris | iris4d)
  		basic_machine=mips-sgi
  		case $os in
  		    -irix*)
  			;;
  		    *)
  			os=-irix4
  			;;
  		esac
  		;;
  	isi68 | isi)
  		basic_machine=m68k-isi
  		os=-sysv
  		;;
  	m68knommu)
  		basic_machine=m68k-unknown
  		os=-linux
  		;;
  	m68knommu-*)
  		basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
  		os=-linux
  		;;
  	m88k-omron*)
  		basic_machine=m88k-omron
  		;;
  	magnum | m3230)
  		basic_machine=mips-mips
  		os=-sysv
  		;;
  	merlin)
  		basic_machine=ns32k-utek
  		os=-sysv
  		;;
  	microblaze)
  		basic_machine=microblaze-xilinx
  		;;
  	mingw64)
  		basic_machine=x86_64-pc
  		os=-mingw64
  		;;
  	mingw32)
  		basic_machine=i386-pc
  		os=-mingw32
  		;;
  	mingw32ce)
  		basic_machine=arm-unknown
  		os=-mingw32ce
  		;;
  	miniframe)
  		basic_machine=m68000-convergent
  		;;
  	*mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
  		basic_machine=m68k-atari
  		os=-mint
  		;;
  	mips3*-*)
  		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
  		;;
  	mips3*)
  		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
  		;;
  	monitor)
  		basic_machine=m68k-rom68k
  		os=-coff
  		;;
  	morphos)
  		basic_machine=powerpc-unknown
  		os=-morphos
  		;;
  	msdos)
  		basic_machine=i386-pc
  		os=-msdos
  		;;
  	ms1-*)
  		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
  		;;
  	msys)
  		basic_machine=i386-pc
  		os=-msys
  		;;
  	mvs)
  		basic_machine=i370-ibm
  		os=-mvs
  		;;
  	nacl)
  		basic_machine=le32-unknown
  		os=-nacl
  		;;
  	pnacl)
  		basic_machine=le32-unknown
  		os=-pnacl
  		;;
  	ncr3000)
  		basic_machine=i486-ncr
  		os=-sysv4
  		;;
  	netbsd386)
  		basic_machine=i386-unknown
  		os=-netbsd
  		;;
  	netwinder)
  		basic_machine=armv4l-rebel
  		os=-linux
  		;;
  	news | news700 | news800 | news900)
  		basic_machine=m68k-sony
  		os=-newsos
  		;;
  	news1000)
  		basic_machine=m68030-sony
  		os=-newsos
  		;;
  	news-3600 | risc-news)
  		basic_machine=mips-sony
  		os=-newsos
  		;;
  	necv70)
  		basic_machine=v70-nec
  		os=-sysv
  		;;
  	next | m*-next )
  		basic_machine=m68k-next
  		case $os in
  		    -nextstep* )
  			;;
  		    -ns2*)
  		      os=-nextstep2
  			;;
  		    *)
  		      os=-nextstep3
  			;;
  		esac
  		;;
  	nh3000)
  		basic_machine=m68k-harris
  		os=-cxux
  		;;
  	nh[45]000)
  		basic_machine=m88k-harris
  		os=-cxux
  		;;
  	nindy960)
  		basic_machine=i960-intel
  		os=-nindy
  		;;
  	mon960)
  		basic_machine=i960-intel
  		os=-mon960
  		;;
  	nonstopux)
  		basic_machine=mips-compaq
  		os=-nonstopux
  		;;
  	np1)
  		basic_machine=np1-gould
  		;;
  	neo-tandem)
  		basic_machine=neo-tandem
  		;;
  	nse-tandem)
  		basic_machine=nse-tandem
  		;;
  	nsr-tandem)
  		basic_machine=nsr-tandem
  		;;
  	op50n-* | op60c-*)
  		basic_machine=hppa1.1-oki
  		os=-proelf
  		;;
  	openrisc | openrisc-*)
  		basic_machine=or32-unknown
  		;;
  	os400)
  		basic_machine=powerpc-ibm
  		os=-os400
  		;;
  	OSE68000 | ose68000)
  		basic_machine=m68000-ericsson
  		os=-ose
  		;;
  	os68k)
  		basic_machine=m68k-none
  		os=-os68k
  		;;
  	pa-hitachi)
  		basic_machine=hppa1.1-hitachi
  		os=-hiuxwe2
  		;;
  	paragon)
  		basic_machine=i860-intel
  		os=-osf
  		;;
  	parisc)
  		basic_machine=hppa-unknown
  		os=-linux
  		;;
  	parisc-*)
  		basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
  		os=-linux
  		;;
  	pbd)
  		basic_machine=sparc-tti
  		;;
  	pbb)
  		basic_machine=m68k-tti
  		;;
  	pc532 | pc532-*)
  		basic_machine=ns32k-pc532
  		;;
  	pc98)
  		basic_machine=i386-pc
  		;;
  	pc98-*)
  		basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	pentium | p5 | k5 | k6 | nexgen | viac3)
  		basic_machine=i586-pc
  		;;
  	pentiumpro | p6 | 6x86 | athlon | athlon_*)
  		basic_machine=i686-pc
  		;;
  	pentiumii | pentium2 | pentiumiii | pentium3)
  		basic_machine=i686-pc
  		;;
  	pentium4)
  		basic_machine=i786-pc
  		;;
  	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
  		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	pentiumpro-* | p6-* | 6x86-* | athlon-*)
  		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
  		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	pentium4-*)
  		basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	pn)
  		basic_machine=pn-gould
  		;;
  	power)	basic_machine=power-ibm
  		;;
  	ppc | ppcbe)	basic_machine=powerpc-unknown
  		;;
  	ppc-* | ppcbe-*)
  		basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	ppcle | powerpclittle | ppc-le | powerpc-little)
  		basic_machine=powerpcle-unknown
  		;;
  	ppcle-* | powerpclittle-*)
  		basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	ppc64)	basic_machine=powerpc64-unknown
  		;;
  	ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	ppc64le | powerpc64little | ppc64-le | powerpc64-little)
  		basic_machine=powerpc64le-unknown
  		;;
  	ppc64le-* | powerpc64little-*)
  		basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	ps2)
  		basic_machine=i386-ibm
  		;;
  	pw32)
  		basic_machine=i586-unknown
  		os=-pw32
  		;;
  	rdos)
  		basic_machine=i386-pc
  		os=-rdos
  		;;
  	rom68k)
  		basic_machine=m68k-rom68k
  		os=-coff
  		;;
  	rm[46]00)
  		basic_machine=mips-siemens
  		;;
  	rtpc | rtpc-*)
  		basic_machine=romp-ibm
  		;;
  	s390 | s390-*)
  		basic_machine=s390-ibm
  		;;
  	s390x | s390x-*)
  		basic_machine=s390x-ibm
  		;;
  	sa29200)
  		basic_machine=a29k-amd
  		os=-udi
  		;;
  	sb1)
  		basic_machine=mipsisa64sb1-unknown
  		;;
  	sb1el)
  		basic_machine=mipsisa64sb1el-unknown
  		;;
  	sde)
  		basic_machine=mipsisa32-sde
  		os=-elf
  		;;
  	sei)
  		basic_machine=mips-sei
  		os=-seiux
  		;;
  	sequent)
  		basic_machine=i386-sequent
  		;;
  	sh)
  		basic_machine=sh-hitachi
  		os=-hms
  		;;
  	sh5el)
  		basic_machine=sh5le-unknown
  		;;
  	sh64)
  		basic_machine=sh64-unknown
  		;;
  	sparclite-wrs | simso-wrs)
  		basic_machine=sparclite-wrs
  		os=-vxworks
  		;;
  	sps7)
  		basic_machine=m68k-bull
  		os=-sysv2
  		;;
  	spur)
  		basic_machine=spur-unknown
  		;;
  	st2000)
  		basic_machine=m68k-tandem
  		;;
  	stratus)
  		basic_machine=i860-stratus
  		os=-sysv4
  		;;
  	strongarm-* | thumb-*)
  		basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'`
  		;;
  	sun2)
  		basic_machine=m68000-sun
  		;;
  	sun2os3)
  		basic_machine=m68000-sun
  		os=-sunos3
  		;;
  	sun2os4)
  		basic_machine=m68000-sun
  		os=-sunos4
  		;;
  	sun3os3)
  		basic_machine=m68k-sun
  		os=-sunos3
  		;;
  	sun3os4)
  		basic_machine=m68k-sun
  		os=-sunos4
  		;;
  	sun4os3)
  		basic_machine=sparc-sun
  		os=-sunos3
  		;;
  	sun4os4)
  		basic_machine=sparc-sun
  		os=-sunos4
  		;;
  	sun4sol2)
  		basic_machine=sparc-sun
  		os=-solaris2
  		;;
  	sun3 | sun3-*)
  		basic_machine=m68k-sun
  		;;
  	sun4)
  		basic_machine=sparc-sun
  		;;
  	sun386 | sun386i | roadrunner)
  		basic_machine=i386-sun
  		;;
  	sv1)
  		basic_machine=sv1-cray
  		os=-unicos
  		;;
  	symmetry)
  		basic_machine=i386-sequent
  		os=-dynix
  		;;
  	t3e)
  		basic_machine=alphaev5-cray
  		os=-unicos
  		;;
  	t90)
  		basic_machine=t90-cray
  		os=-unicos
  		;;
  	tile*)
  		basic_machine=$basic_machine-unknown
  		os=-linux-gnu
  		;;
  	tx39)
  		basic_machine=mipstx39-unknown
  		;;
  	tx39el)
  		basic_machine=mipstx39el-unknown
  		;;
  	toad1)
  		basic_machine=pdp10-xkl
  		os=-tops20
  		;;
  	tower | tower-32)
  		basic_machine=m68k-ncr
  		;;
  	tpf)
  		basic_machine=s390x-ibm
  		os=-tpf
  		;;
  	udi29k)
  		basic_machine=a29k-amd
  		os=-udi
  		;;
  	ultra3)
  		basic_machine=a29k-nyu
  		os=-sym1
  		;;
  	v810 | necv810)
  		basic_machine=v810-nec
  		os=-none
  		;;
  	vaxv)
  		basic_machine=vax-dec
  		os=-sysv
  		;;
  	vms)
  		basic_machine=vax-dec
  		os=-vms
  		;;
  	vpp*|vx|vx-*)
  		basic_machine=f301-fujitsu
  		;;
  	vxworks960)
  		basic_machine=i960-wrs
  		os=-vxworks
  		;;
  	vxworks68)
  		basic_machine=m68k-wrs
  		os=-vxworks
  		;;
  	vxworks29k)
  		basic_machine=a29k-wrs
  		os=-vxworks
  		;;
  	w65*)
  		basic_machine=w65-wdc
  		os=-none
  		;;
  	w89k-*)
  		basic_machine=hppa1.1-winbond
  		os=-proelf
  		;;
  	xbox)
  		basic_machine=i686-pc
  		os=-mingw32
  		;;
  	xps | xps100)
  		basic_machine=xps100-honeywell
  		;;
  	xscale-* | xscalee[bl]-*)
  		basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'`
  		;;
  	ymp)
  		basic_machine=ymp-cray
  		os=-unicos
  		;;
  	z8k-*-coff)
  		basic_machine=z8k-unknown
  		os=-sim
  		;;
  	z80-*-coff)
  		basic_machine=z80-unknown
  		os=-sim
  		;;
  	none)
  		basic_machine=none-none
  		os=-none
  		;;
  
  # 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)
  		basic_machine=hppa1.1-winbond
  		;;
  	op50n)
  		basic_machine=hppa1.1-oki
  		;;
  	op60c)
  		basic_machine=hppa1.1-oki
  		;;
  	romp)
  		basic_machine=romp-ibm
  		;;
  	mmix)
  		basic_machine=mmix-knuth
  		;;
  	rs6000)
  		basic_machine=rs6000-ibm
  		;;
  	vax)
  		basic_machine=vax-dec
  		;;
  	pdp10)
  		# there are many clones, so DEC is not a safe bet
  		basic_machine=pdp10-unknown
  		;;
  	pdp11)
  		basic_machine=pdp11-dec
  		;;
  	we32k)
  		basic_machine=we32k-att
  		;;
  	sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
  		basic_machine=sh-unknown
  		;;
  	sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
  		basic_machine=sparc-sun
  		;;
  	cydra)
  		basic_machine=cydra-cydrome
  		;;
  	orion)
  		basic_machine=orion-highlevel
  		;;
  	orion105)
  		basic_machine=clipper-highlevel
  		;;
  	mac | mpw | mac-mpw)
  		basic_machine=m68k-apple
  		;;
  	pmac | pmac-mpw)
  		basic_machine=powerpc-apple
  		;;
  	*-unknown)
  		# Make sure to match an already-canonicalized machine name.
  		;;
  	*)
  		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
  		exit 1
  		;;
  esac
  
  # Here we canonicalize certain aliases for manufacturers.
  case $basic_machine in
  	*-digital*)
  		basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
  		;;
  	*-commodore*)
  		basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
  		;;
  	*)
  		;;
  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.
  	-auroraux)
  		os=-auroraux
  		;;
  	-solaris1 | -solaris1.*)
  		os=`echo $os | sed -e 's|solaris1|sunos4|'`
  		;;
  	-solaris)
  		os=-solaris2
  		;;
  	-svr4*)
  		os=-sysv4
  		;;
  	-unixware*)
  		os=-sysv4.2uw
  		;;
  	-gnu/linux*)
  		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
  		;;
  	# 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* | -cnk* | -sunos | -sunos[34]*\
  	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
  	      | -sym* | -kopensolaris* \
  	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
  	      | -aos* | -aros* \
  	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
  	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
  	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
  	      | -bitrig* | -openbsd* | -solidbsd* \
  	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
  	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
  	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
  	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
  	      | -chorusos* | -chorusrdb* | -cegcc* \
  	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
  	      | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
  	      | -linux-newlib* | -linux-musl* | -linux-uclibc* \
  	      | -uxpv* | -beos* | -mpeix* | -udk* \
  	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
  	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
  	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
  	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
  	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
  	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
  	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*)
  	# Remember, each alternative MUST END IN *, to match a version number.
  		;;
  	-qnx*)
  		case $basic_machine in
  		    x86-* | i*86-*)
  			;;
  		    *)
  			os=-nto$os
  			;;
  		esac
  		;;
  	-nacl*)
  		os=-nacl
  		;;
  	-pnacl*)
  		os=-pnacl
  		;;
  	-nto-qnx*)
  		;;
  	-nto*)
  		os=`echo $os | sed -e 's|nto|nto-qnx|'`
  		;;
  	-sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
  	      | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
  	      | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
  		;;
  	-mac*)
  		os=`echo $os | sed -e 's|mac|macos|'`
  		;;
  	-linux-dietlibc)
  		os=-linux-dietlibc
  		;;
  	-linux*)
  		os=`echo $os | sed -e 's|linux|linux-gnu|'`
  		;;
  	-sunos5*)
  		os=`echo $os | sed -e 's|sunos5|solaris2|'`
  		;;
  	-sunos6*)
  		os=`echo $os | sed -e 's|sunos6|solaris3|'`
  		;;
  	-opened*)
  		os=-openedition
  		;;
  	-os400*)
  		os=-os400
  		;;
  	-wince*)
  		os=-wince
  		;;
  	-osfrose*)
  		os=-osfrose
  		;;
  	-osf*)
  		os=-osf
  		;;
  	-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
  		;;
  	-nsk*)
  		os=-nsk
  		;;
  	# 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
  		;;
  	# This must come after -sysvr4.
  	-sysv*)
  		;;
  	-ose*)
  		os=-ose
  		;;
  	-es1800*)
  		os=-ose
  		;;
  	-xenix)
  		os=-xenix
  		;;
  	-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
  		os=-mint
  		;;
  	-aros*)
  		os=-aros
  		;;
  	-kaos*)
  		os=-kaos
  		;;
  	-zvmoe)
  		os=-zvmoe
  		;;
  	-dicos*)
  		os=-dicos
  		;;
  	-nacl*)
          os=-nacl
          ;;
  	-pnacl*)
  		os=-pnacl
  		;;
  	-emscripten*)
  		;;
  	-none)
  		;;
  	*)
  		# 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
  		;;
  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.
  
  case $basic_machine in
  	score-*)
  		os=-elf
  		;;
  	spu-*)
  		os=-elf
  		;;
  	*-acorn)
  		os=-riscix1.2
  		;;
  	arm*-rebel)
  		os=-linux
  		;;
  	arm*-semi)
  		os=-aout
  		;;
  	c4x-* | tic4x-*)
  		os=-coff
  		;;
  	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
  		;;
  	*-be)
  		os=-beos
  		;;
  	*-haiku)
  		os=-haiku
  		;;
  	*-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
  		;;
  	*-next)
  		os=-nextstep3
  		;;
  	*-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
  		;;
  	*)
  		os=-none
  		;;
  esac
  fi
  
  # 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*)
  				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
  				;;
  			-mvs* | -opened*)
  				vendor=ibm
  				;;
  			-os400*)
  				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
  		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
  		;;
  esac
  
  echo $basic_machine$os
  exit
  
  # Local variables:
  # eval: (add-hook 'write-file-hooks 'time-stamp)
  # time-stamp-start: "timestamp='"
  # time-stamp-format: "%:y-%02m-%02d"
  # time-stamp-end: "'"
  # End:
  

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