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    1 #! /bin/sh
    2 # Configuration validation subroutine script, version 1.1.
    3 #   Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
    4 # This file is (in principle) common to ALL GNU software.
    5 # The presence of a machine in this file suggests that SOME GNU software
    6 # can handle that machine.  It does not imply ALL GNU software can.
    7 #
    8 # This file is free software; you can redistribute it and/or modify
    9 # it under the terms of the GNU General Public License as published by
   10 # the Free Software Foundation; either version 2 of the License, or
   11 # (at your option) any later version.
   12 #
   13 # This program is distributed in the hope that it will be useful,
   14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   16 # GNU General Public License for more details.
   17 #
   18 # You should have received a copy of the GNU General Public License
   19 # along with this program; if not, write to the Free Software
   20 # Foundation, Inc., 59 Temple Place - Suite 330,
   21 # Boston, MA 02111-1307, USA.
   22 
   23 # As a special exception to the GNU General Public License, if you
   24 # distribute this file as part of a program that contains a
   25 # configuration script generated by Autoconf, you may include it under
   26 # the same distribution terms that you use for the rest of that program.
   27 
   28 # Configuration subroutine to validate and canonicalize a configuration type.
   29 # Supply the specified configuration type as an argument.
   30 # If it is invalid, we print an error message on stderr and exit with code 1.
   31 # Otherwise, we print the canonical config type on stdout and succeed.
   32 
   33 # This file is supposed to be the same for all GNU packages
   34 # and recognize all the CPU types, system types and aliases
   35 # that are meaningful with *any* GNU software.
   36 # Each package is responsible for reporting which valid configurations
   37 # it does not support.  The user should be able to distinguish
   38 # a failure to support a valid configuration from a meaningless
   39 # configuration.
   40 
   41 # The goal of this file is to map all the various variations of a given
   42 # machine specification into a single specification in the form:
   43 #	CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
   44 # or in some cases, the newer four-part form:
   45 #	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
   46 # It is wrong to echo any other type of specification.
   47 
   48 if [ x$1 = x ]
   49 then
   50 	echo Configuration name missing. 1>&2
   51 	echo "Usage: $0 CPU-MFR-OPSYS" 1>&2
   52 	echo "or     $0 ALIAS" 1>&2
   53 	echo where ALIAS is a recognized configuration type. 1>&2
   54 	exit 1
   55 fi
   56 
   57 # First pass through any local machine types.
   58 case $1 in
   59 	*local*)
   60 		echo $1
   61 		exit 0
   62 		;;
   63 	*)
   64 	;;
   65 esac
   66 
   67 # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
   68 # Here we must recognize all the valid KERNEL-OS combinations.
   69 maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
   70 case $maybe_os in
   71   linux-gnu*)
   72     os=-$maybe_os
   73     basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
   74     ;;
   75   *)
   76     basic_machine=`echo $1 | sed 's/-[^-]*$//'`
   77     if [ $basic_machine != $1 ]
   78     then os=`echo $1 | sed 's/.*-/-/'`
   79     else os=; fi
   80     ;;
   81 esac
   82 
   83 ### Let's recognize common machines as not being operating systems so
   84 ### that things like config.sub decstation-3100 work.  We also
   85 ### recognize some manufacturers as not being operating systems, so we
   86 ### can provide default operating systems below.
   87 case $os in
   88 	-sun*os*)
   89 		# Prevent following clause from handling this invalid input.
   90 		;;
   91 	-dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
   92 	-att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
   93 	-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
   94 	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
   95 	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
   96 	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
   97 	-apple)
   98 		os=
   99 		basic_machine=$1
  100 		;;
  101 	-hiux*)
  102 		os=-hiuxwe2
  103 		;;
  104 	-sco5)
  105 		os=sco3.2v5
  106 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  107 		;;
  108 	-sco4)
  109 		os=-sco3.2v4
  110 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  111 		;;
  112 	-sco3.2.[4-9]*)
  113 		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
  114 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  115 		;;
  116 	-sco3.2v[4-9]*)
  117 		# Don't forget version if it is 3.2v4 or newer.
  118 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  119 		;;
  120 	-sco*)
  121 		os=-sco3.2v2
  122 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  123 		;;
  124 	-isc)
  125 		os=-isc2.2
  126 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  127 		;;
  128 	-clix*)
  129 		basic_machine=clipper-intergraph
  130 		;;
  131 	-isc*)
  132 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
  133 		;;
  134 	-lynx*)
  135 		os=-lynxos
  136 		;;
  137 	-ptx*)
  138 		basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
  139 		;;
  140 	-windowsnt*)
  141 		os=`echo $os | sed -e 's/windowsnt/winnt/'`
  142 		;;
  143 	-psos*)
  144 		os=-psos
  145 		;;
  146 esac
  147 
  148 # Decode aliases for certain CPU-COMPANY combinations.
  149 case $basic_machine in
  150 	# Recognize the basic CPU types without company name.
  151 	# Some are omitted here because they have special meanings below.
  152 	tahoe | i860 | m68k | m68000 | m88k | ns32k | arm \
  153 		| arme[lb] | pyramid \
  154 		| tron | a29k | 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 \
  155 		| alpha | we32k | ns16k | clipper | i370 | sh \
  156 		| powerpc | powerpcle | 1750a | dsp16xx | mips64 | mipsel \
  157 		| pdp11 | mips64el | mips64orion | mips64orionel \
  158 		| sparc | sparclet | sparclite | sparc64)
  159 		basic_machine=$basic_machine-unknown
  160 		;;
  161 	# We use `pc' rather than `unknown'
  162 	# because (1) that's what they normally are, and
  163 	# (2) the word "unknown" tends to confuse beginning users.
  164 	i[3456]86)
  165 	  basic_machine=$basic_machine-pc
  166 	  ;;
  167 	# Object if more than one company name word.
  168 	*-*-*)
  169 		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
  170 		exit 1
  171 		;;
  172 	# Recognize the basic CPU types with company name.
  173 	vax-* | tahoe-* | i[3456]86-* | i860-* | m68k-* | m68000-* | m88k-* \
  174 	      | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
  175 	      | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
  176 	      | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
  177 	      | hppa-* | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \
  178 	      | pn-* | np1-* | xps100-* | clipper-* | orion-* | sparclite-* \
  179 	      | pdp11-* | sh-* | powerpc-* | powerpcle-* | sparc64-* | mips64-* | mipsel-* \
  180 	      | mips64el-* | mips64orion-* | mips64orionel-* | f301-*)
  181 		;;
  182 	# Recognize the various machine names and aliases which stand
  183 	# for a CPU type and a company and sometimes even an OS.
  184 	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
  185 		basic_machine=m68000-att
  186 		;;
  187 	3b*)
  188 		basic_machine=we32k-att
  189 		;;
  190 	alliant | fx80)
  191 		basic_machine=fx80-alliant
  192 		;;
  193 	altos | altos3068)
  194 		basic_machine=m68k-altos
  195 		;;
  196 	am29k)
  197 		basic_machine=a29k-none
  198 		os=-bsd
  199 		;;
  200 	amdahl)
  201 		basic_machine=580-amdahl
  202 		os=-sysv
  203 		;;
  204 	amiga | amiga-*)
  205 		basic_machine=m68k-cbm
  206 		;;
  207 	amigados)
  208 		basic_machine=m68k-cbm
  209 		os=-amigados
  210 		;;
  211 	amigaunix | amix)
  212 		basic_machine=m68k-cbm
  213 		os=-sysv4
  214 		;;
  215 	apollo68)
  216 		basic_machine=m68k-apollo
  217 		os=-sysv
  218 		;;
  219 	aux)
  220 		basic_machine=m68k-apple
  221 		os=-aux
  222 		;;
  223 	balance)
  224 		basic_machine=ns32k-sequent
  225 		os=-dynix
  226 		;;
  227 	convex-c1)
  228 		basic_machine=c1-convex
  229 		os=-bsd
  230 		;;
  231 	convex-c2)
  232 		basic_machine=c2-convex
  233 		os=-bsd
  234 		;;
  235 	convex-c32)
  236 		basic_machine=c32-convex
  237 		os=-bsd
  238 		;;
  239 	convex-c34)
  240 		basic_machine=c34-convex
  241 		os=-bsd
  242 		;;
  243 	convex-c38)
  244 		basic_machine=c38-convex
  245 		os=-bsd
  246 		;;
  247 	cray | ymp)
  248 		basic_machine=ymp-cray
  249 		os=-unicos
  250 		;;
  251 	cray2)
  252 		basic_machine=cray2-cray
  253 		os=-unicos
  254 		;;
  255 	[ctj]90-cray)
  256 		basic_machine=c90-cray
  257 		os=-unicos
  258 		;;
  259 	crds | unos)
  260 		basic_machine=m68k-crds
  261 		;;
  262 	da30 | da30-*)
  263 		basic_machine=m68k-da30
  264 		;;
  265 	decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
  266 		basic_machine=mips-dec
  267 		;;
  268 	delta | 3300 | motorola-3300 | motorola-delta \
  269 	      | 3300-motorola | delta-motorola)
  270 		basic_machine=m68k-motorola
  271 		;;
  272 	delta88)
  273 		basic_machine=m88k-motorola
  274 		os=-sysv3
  275 		;;
  276 	dpx20 | dpx20-*)
  277 		basic_machine=rs6000-bull
  278 		os=-bosx
  279 		;;
  280 	dpx2* | dpx2*-bull)
  281 		basic_machine=m68k-bull
  282 		os=-sysv3
  283 		;;
  284 	ebmon29k)
  285 		basic_machine=a29k-amd
  286 		os=-ebmon
  287 		;;
  288 	elxsi)
  289 		basic_machine=elxsi-elxsi
  290 		os=-bsd
  291 		;;
  292 	encore | umax | mmax)
  293 		basic_machine=ns32k-encore
  294 		;;
  295 	fx2800)
  296 		basic_machine=i860-alliant
  297 		;;
  298 	genix)
  299 		basic_machine=ns32k-ns
  300 		;;
  301 	gmicro)
  302 		basic_machine=tron-gmicro
  303 		os=-sysv
  304 		;;
  305 	h3050r* | hiux*)
  306 		basic_machine=hppa1.1-hitachi
  307 		os=-hiuxwe2
  308 		;;
  309 	h8300hms)
  310 		basic_machine=h8300-hitachi
  311 		os=-hms
  312 		;;
  313 	harris)
  314 		basic_machine=m88k-harris
  315 		os=-sysv3
  316 		;;
  317 	hp300-*)
  318 		basic_machine=m68k-hp
  319 		;;
  320 	hp300bsd)
  321 		basic_machine=m68k-hp
  322 		os=-bsd
  323 		;;
  324 	hp300hpux)
  325 		basic_machine=m68k-hp
  326 		os=-hpux
  327 		;;
  328 	hp9k2[0-9][0-9] | hp9k31[0-9])
  329 		basic_machine=m68000-hp
  330 		;;
  331 	hp9k3[2-9][0-9])
  332 		basic_machine=m68k-hp
  333 		;;
  334 	hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
  335 		basic_machine=hppa1.1-hp
  336 		;;
  337 	hp9k8[0-9][0-9] | hp8[0-9][0-9])
  338 		basic_machine=hppa1.0-hp
  339 		;;
  340 	hppa-next)
  341 		os=-nextstep3
  342 		;;
  343 	i370-ibm* | ibm*)
  344 		basic_machine=i370-ibm
  345 		os=-mvs
  346 		;;
  347 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
  348 	i[3456]86v32)
  349 		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  350 		os=-sysv32
  351 		;;
  352 	i[3456]86v4*)
  353 		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  354 		os=-sysv4
  355 		;;
  356 	i[3456]86v)
  357 		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  358 		os=-sysv
  359 		;;
  360 	i[3456]86sol2)
  361 		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
  362 		os=-solaris2
  363 		;;
  364 	iris | iris4d)
  365 		basic_machine=mips-sgi
  366 		case $os in
  367 		    -irix*)
  368 			;;
  369 		    *)
  370 			os=-irix4
  371 			;;
  372 		esac
  373 		;;
  374 	isi68 | isi)
  375 		basic_machine=m68k-isi
  376 		os=-sysv
  377 		;;
  378 	m88k-omron*)
  379 		basic_machine=m88k-omron
  380 		;;
  381 	magnum | m3230)
  382 		basic_machine=mips-mips
  383 		os=-sysv
  384 		;;
  385 	merlin)
  386 		basic_machine=ns32k-utek
  387 		os=-sysv
  388 		;;
  389 	miniframe)
  390 		basic_machine=m68000-convergent
  391 		;;
  392 	mips3*-*)
  393 		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
  394 		;;
  395 	mips3*)
  396 		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
  397 		;;
  398 	ncr3000)
  399 		basic_machine=i486-ncr
  400 		os=-sysv4
  401 		;;
  402 	news | news700 | news800 | news900)
  403 		basic_machine=m68k-sony
  404 		os=-newsos
  405 		;;
  406 	news1000)
  407 		basic_machine=m68030-sony
  408 		os=-newsos
  409 		;;
  410 	news-3600 | risc-news)
  411 		basic_machine=mips-sony
  412 		os=-newsos
  413 		;;
  414 	next | m*-next )
  415 		basic_machine=m68k-next
  416 		case $os in
  417 		    -nextstep* )
  418 			;;
  419 		    -ns2*)
  420 		      os=-nextstep2
  421 			;;
  422 		    *)
  423 		      os=-nextstep3
  424 			;;
  425 		esac
  426 		;;
  427 	nh3000)
  428 		basic_machine=m68k-harris
  429 		os=-cxux
  430 		;;
  431 	nh[45]000)
  432 		basic_machine=m88k-harris
  433 		os=-cxux
  434 		;;
  435 	nindy960)
  436 		basic_machine=i960-intel
  437 		os=-nindy
  438 		;;
  439 	np1)
  440 		basic_machine=np1-gould
  441 		;;
  442 	pa-hitachi)
  443 		basic_machine=hppa1.1-hitachi
  444 		os=-hiuxwe2
  445 		;;
  446 	paragon)
  447 		basic_machine=i860-intel
  448 		os=-osf
  449 		;;
  450 	pbd)
  451 		basic_machine=sparc-tti
  452 		;;
  453 	pbb)
  454 		basic_machine=m68k-tti
  455 		;;
  456         pc532 | pc532-*)
  457 		basic_machine=ns32k-pc532
  458 		;;
  459 	pentium | p5)
  460 		basic_machine=i586-intel
  461 		;;
  462 	pentiumpro | p6)
  463 		basic_machine=i686-intel
  464 		;;
  465 	pentium-* | p5-*)
  466 		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
  467 		;;
  468 	pentiumpro-* | p6-*)
  469 		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
  470 		;;
  471 	k5)
  472 		# We don't have specific support for AMD's K5 yet, so just call it a Pentium
  473 		basic_machine=i586-amd
  474 		;;
  475 	nexen)
  476 		# We don't have specific support for Nexgen yet, so just call it a Pentium
  477 		basic_machine=i586-nexgen
  478 		;;
  479 	pn)
  480 		basic_machine=pn-gould
  481 		;;
  482 	power)	basic_machine=rs6000-ibm
  483 		;;
  484 	ppc)	basic_machine=powerpc-unknown
  485 	        ;;
  486 	ppc-*)	basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
  487 		;;
  488 	ppcle | powerpclittle | ppc-le | powerpc-little)
  489 		basic_machine=powerpcle-unknown
  490 	        ;;
  491 	ppcle-* | powerpclittle-*)
  492 		basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
  493 		;;
  494 	ps2)
  495 		basic_machine=i386-ibm
  496 		;;
  497 	rm[46]00)
  498 		basic_machine=mips-siemens
  499 		;;
  500 	rtpc | rtpc-*)
  501 		basic_machine=romp-ibm
  502 		;;
  503 	sequent)
  504 		basic_machine=i386-sequent
  505 		;;
  506 	sh)
  507 		basic_machine=sh-hitachi
  508 		os=-hms
  509 		;;
  510 	sps7)
  511 		basic_machine=m68k-bull
  512 		os=-sysv2
  513 		;;
  514 	spur)
  515 		basic_machine=spur-unknown
  516 		;;
  517 	sun2)
  518 		basic_machine=m68000-sun
  519 		;;
  520 	sun2os3)
  521 		basic_machine=m68000-sun
  522 		os=-sunos3
  523 		;;
  524 	sun2os4)
  525 		basic_machine=m68000-sun
  526 		os=-sunos4
  527 		;;
  528 	sun3os3)
  529 		basic_machine=m68k-sun
  530 		os=-sunos3
  531 		;;
  532 	sun3os4)
  533 		basic_machine=m68k-sun
  534 		os=-sunos4
  535 		;;
  536 	sun4os3)
  537 		basic_machine=sparc-sun
  538 		os=-sunos3
  539 		;;
  540 	sun4os4)
  541 		basic_machine=sparc-sun
  542 		os=-sunos4
  543 		;;
  544 	sun4sol2)
  545 		basic_machine=sparc-sun
  546 		os=-solaris2
  547 		;;
  548 	sun3 | sun3-*)
  549 		basic_machine=m68k-sun
  550 		;;
  551 	sun4)
  552 		basic_machine=sparc-sun
  553 		;;
  554 	sun386 | sun386i | roadrunner)
  555 		basic_machine=i386-sun
  556 		;;
  557 	symmetry)
  558 		basic_machine=i386-sequent
  559 		os=-dynix
  560 		;;
  561 	tower | tower-32)
  562 		basic_machine=m68k-ncr
  563 		;;
  564 	udi29k)
  565 		basic_machine=a29k-amd
  566 		os=-udi
  567 		;;
  568 	ultra3)
  569 		basic_machine=a29k-nyu
  570 		os=-sym1
  571 		;;
  572 	vaxv)
  573 		basic_machine=vax-dec
  574 		os=-sysv
  575 		;;
  576 	vms)
  577 		basic_machine=vax-dec
  578 		os=-vms
  579 		;;
  580        vpp*|vx|vx-*)
  581                basic_machine=f301-fujitsu
  582                ;;
  583 	vxworks960)
  584 		basic_machine=i960-wrs
  585 		os=-vxworks
  586 		;;
  587 	vxworks68)
  588 		basic_machine=m68k-wrs
  589 		os=-vxworks
  590 		;;
  591 	vxworks29k)
  592 		basic_machine=a29k-wrs
  593 		os=-vxworks
  594 		;;
  595 	xmp)
  596 		basic_machine=xmp-cray
  597 		os=-unicos
  598 		;;
  599         xps | xps100)
  600 		basic_machine=xps100-honeywell
  601 		;;
  602 	none)
  603 		basic_machine=none-none
  604 		os=-none
  605 		;;
  606 
  607 # Here we handle the default manufacturer of certain CPU types.  It is in
  608 # some cases the only manufacturer, in others, it is the most popular.
  609 	mips)
  610 		basic_machine=mips-mips
  611 		;;
  612 	romp)
  613 		basic_machine=romp-ibm
  614 		;;
  615 	rs6000)
  616 		basic_machine=rs6000-ibm
  617 		;;
  618 	vax)
  619 		basic_machine=vax-dec
  620 		;;
  621 	pdp11)
  622 		basic_machine=pdp11-dec
  623 		;;
  624 	we32k)
  625 		basic_machine=we32k-att
  626 		;;
  627 	sparc)
  628 		basic_machine=sparc-sun
  629 		;;
  630         cydra)
  631 		basic_machine=cydra-cydrome
  632 		;;
  633 	orion)
  634 		basic_machine=orion-highlevel
  635 		;;
  636 	orion105)
  637 		basic_machine=clipper-highlevel
  638 		;;
  639 	*)
  640 		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
  641 		exit 1
  642 		;;
  643 esac
  644 
  645 # Here we canonicalize certain aliases for manufacturers.
  646 case $basic_machine in
  647 	*-digital*)
  648 		basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
  649 		;;
  650 	*-commodore*)
  651 		basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
  652 		;;
  653 	*)
  654 		;;
  655 esac
  656 
  657 # Decode manufacturer-specific aliases for certain operating systems.
  658 
  659 if [ x"$os" != x"" ]
  660 then
  661 case $os in
  662         # First match some system type aliases
  663         # that might get confused with valid system types.
  664 	# -solaris* is a basic system type, with this one exception.
  665 	-solaris1 | -solaris1.*)
  666 		os=`echo $os | sed -e 's|solaris1|sunos4|'`
  667 		;;
  668 	-solaris)
  669 		os=-solaris2
  670 		;;
  671 	-unixware* | svr4*)
  672 		os=-sysv4
  673 		;;
  674 	-gnu/linux*)
  675 		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
  676 		;;
  677 	# First accept the basic system types.
  678 	# The portable systems comes first.
  679 	# Each alternative MUST END IN A *, to match a version number.
  680 	# -sysv* is not here because it comes later, after sysvr4.
  681 	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
  682 	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
  683 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
  684 	      | -amigados* | -msdos* | -newsos* | -unicos* | -aof* | -aos* \
  685 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
  686 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
  687 	      | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
  688 	      | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
  689 	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
  690 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
  691 	      | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
  692 	      | -linux-gnu* | -uxpv*)
  693 	# Remember, each alternative MUST END IN *, to match a version number.
  694 		;;
  695 	-linux*)
  696 		os=`echo $os | sed -e 's|linux|linux-gnu|'`
  697 		;;
  698 	-sunos5*)
  699 		os=`echo $os | sed -e 's|sunos5|solaris2|'`
  700 		;;
  701 	-sunos6*)
  702 		os=`echo $os | sed -e 's|sunos6|solaris3|'`
  703 		;;
  704 	-osfrose*)
  705 		os=-osfrose
  706 		;;
  707 	-osf*)
  708 		os=-osf
  709 		;;
  710 	-utek*)
  711 		os=-bsd
  712 		;;
  713 	-dynix*)
  714 		os=-bsd
  715 		;;
  716 	-acis*)
  717 		os=-aos
  718 		;;
  719 	-ctix* | -uts*)
  720 		os=-sysv
  721 		;;
  722 	-ns2 )
  723 	        os=-nextstep2
  724 		;;
  725 	# Preserve the version number of sinix5.
  726 	-sinix5.*)
  727 		os=`echo $os | sed -e 's|sinix|sysv|'`
  728 		;;
  729 	-sinix*)
  730 		os=-sysv4
  731 		;;
  732 	-triton*)
  733 		os=-sysv3
  734 		;;
  735 	-oss*)
  736 		os=-sysv3
  737 		;;
  738 	-svr4)
  739 		os=-sysv4
  740 		;;
  741 	-svr3)
  742 		os=-sysv3
  743 		;;
  744 	-sysvr4)
  745 		os=-sysv4
  746 		;;
  747 	# This must come after -sysvr4.
  748 	-sysv*)
  749 		;;
  750 	-xenix)
  751 		os=-xenix
  752 		;;
  753 	-none)
  754 		;;
  755 	*)
  756 		# Get rid of the `-' at the beginning of $os.
  757 		os=`echo $os | sed 's/[^-]*-//'`
  758 		echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
  759 		exit 1
  760 		;;
  761 esac
  762 else
  763 
  764 # Here we handle the default operating systems that come with various machines.
  765 # The value should be what the vendor currently ships out the door with their
  766 # machine or put another way, the most popular os provided with the machine.
  767 
  768 # Note that if you're going to try to match "-MANUFACTURER" here (say,
  769 # "-sun"), then you have to tell the case statement up towards the top
  770 # that MANUFACTURER isn't an operating system.  Otherwise, code above
  771 # will signal an error saying that MANUFACTURER isn't an operating
  772 # system, and we'll never get to this point.
  773 
  774 case $basic_machine in
  775 	*-acorn)
  776 		os=-riscix1.2
  777 		;;
  778 	arm*-semi)
  779 		os=-aout
  780 		;;
  781         pdp11-*)
  782 		os=-none
  783 		;;
  784 	*-dec | vax-*)
  785 		os=-ultrix4.2
  786 		;;
  787 	m68*-apollo)
  788 		os=-domain
  789 		;;
  790 	i386-sun)
  791 		os=-sunos4.0.2
  792 		;;
  793 	m68000-sun)
  794 		os=-sunos3
  795 		# This also exists in the configure program, but was not the
  796 		# default.
  797 		# os=-sunos4
  798 		;;
  799 	*-tti)	# must be before sparc entry or we get the wrong os.
  800 		os=-sysv3
  801 		;;
  802 	sparc-* | *-sun)
  803 		os=-sunos4.1.1
  804 		;;
  805 	*-ibm)
  806 		os=-aix
  807 		;;
  808 	*-hp)
  809 		os=-hpux
  810 		;;
  811 	*-hitachi)
  812 		os=-hiux
  813 		;;
  814 	i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
  815 		os=-sysv
  816 		;;
  817 	*-cbm)
  818 		os=-amigados
  819 		;;
  820 	*-dg)
  821 		os=-dgux
  822 		;;
  823 	*-dolphin)
  824 		os=-sysv3
  825 		;;
  826 	m68k-ccur)
  827 		os=-rtu
  828 		;;
  829 	m88k-omron*)
  830 		os=-luna
  831 		;;
  832 	*-next )
  833 		os=-nextstep
  834 		;;
  835 	*-sequent)
  836 		os=-ptx
  837 		;;
  838 	*-crds)
  839 		os=-unos
  840 		;;
  841 	*-ns)
  842 		os=-genix
  843 		;;
  844 	i370-*)
  845 		os=-mvs
  846 		;;
  847 	*-next)
  848 		os=-nextstep3
  849 		;;
  850         *-gould)
  851 		os=-sysv
  852 		;;
  853         *-highlevel)
  854 		os=-bsd
  855 		;;
  856 	*-encore)
  857 		os=-bsd
  858 		;;
  859         *-sgi)
  860 		os=-irix
  861 		;;
  862         *-siemens)
  863 		os=-sysv4
  864 		;;
  865 	*-masscomp)
  866 		os=-rtu
  867 		;;
  868 	f301-fujitsu)
  869 		os=-uxpv
  870 		;;
  871 	*)
  872 		os=-none
  873 		;;
  874 esac
  875 fi
  876 
  877 # Here we handle the case where we know the os, and the CPU type, but not the
  878 # manufacturer.  We pick the logical manufacturer.
  879 vendor=unknown
  880 case $basic_machine in
  881 	*-unknown)
  882 		case $os in
  883 			-riscix*)
  884 				vendor=acorn
  885 				;;
  886 			-sunos*)
  887 				vendor=sun
  888 				;;
  889 			-aix*)
  890 				vendor=ibm
  891 				;;
  892 			-hpux*)
  893 				vendor=hp
  894 				;;
  895 			-hiux*)
  896 				vendor=hitachi
  897 				;;
  898 			-unos*)
  899 				vendor=crds
  900 				;;
  901 			-dgux*)
  902 				vendor=dg
  903 				;;
  904 			-luna*)
  905 				vendor=omron
  906 				;;
  907 			-genix*)
  908 				vendor=ns
  909 				;;
  910 			-mvs*)
  911 				vendor=ibm
  912 				;;
  913 			-ptx*)
  914 				vendor=sequent
  915 				;;
  916 			-vxsim* | -vxworks*)
  917 				vendor=wrs
  918 				;;
  919 			-aux*)
  920 				vendor=apple
  921 				;;
  922 		esac
  923 		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
  924 		;;
  925 esac
  926 
  927 echo $basic_machine$os