#! /bin/sh

# Configuration validation subroutine script, version 1.1.

#   Copyright (C) 1991, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.

# This file is (in principle) common to ALL GNU software.

# The presence of a machine in this file suggests that SOME GNU software

# can handle that machine.  It does not imply ALL GNU software can.

#

# This file is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (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, write to the Free Software

# Foundation, Inc., 59 Temple Place - Suite 330,

# Boston, MA 02111-1307, USA.

# 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.

# 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.

# 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.

if [ x$1 = x ]

then

	echo Configuration name missing. 1>&2

	echo "Usage: $0 CPU-MFR-OPSYS" 1>&2

	echo "or     $0 ALIAS" 1>&2

	echo where ALIAS is a recognized configuration type. 1>&2

	exit 1

fi

# First pass through any local machine types.

case $1 in

	*local*)

		echo $1

		exit 0

		;;

	*)

	;;

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

  linux-gnu*)

    os=-$maybe_os

    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`

    ;;

  *)

    basic_machine=`echo $1 | sed 's/-[^-]*$//'`

    if [ $basic_machine != $1 ]

    then os=`echo $1 | sed 's/.*-/-/'`

    else os=; fi

    ;;

esac

### Let's recognize common machines as not being operating systems so

### that things like config.sub decstation-3100 work.  We also

### recognize some manufacturers as not being operating systems, so we

### can provide default operating systems below.

case $os in

	-sun*os*)

		# Prevent following clause from handling this invalid input.

		;;

	-dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \

	-att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \

	-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \

	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\

	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \

	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \

	-apple)

		os=

		basic_machine=$1

		;;

	-hiux*)

		os=-hiuxwe2

		;;

	-sco5)

		os=sco3.2v5

		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`

		;;

	-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/'`

		;;

	-sco*)

		os=-sco3.2v2

		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*)

		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

		;;

esac

# Decode aliases for certain CPU-COMPANY combinations.

case $basic_machine in

	# Recognize the basic CPU types without company name.

	# Some are omitted here because they have special meanings below.

	tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \

		| arme[lb] | pyramid | mn10200 | mn10300 \

		| tron | a29k | 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 \

		| alpha | alphaev5 | alphaev56 | we32k | ns16k | clipper \

		| i370 | sh | powerpc | powerpcle | 1750a | dsp16xx | pdp11 \

		| mips64 | mipsel | mips64el | mips64orion | mips64orionel \

		| mipstx39 | mipstx39el \

		| sparc | sparclet | sparclite | sparc64 | v850)

		basic_machine=$basic_machine-unknown

		;;

	# We use `pc' rather than `unknown'

	# because (1) that's what they normally are, and

	# (2) the word "unknown" tends to confuse beginning users.

	i[3456]86)

	  basic_machine=$basic_machine-pc

	  ;;

	# Object if more than one company name word.

	*-*-*)

		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2

		exit 1

		;;

	# Recognize the basic CPU types with company name.

	vax-* | tahoe-* | i[3456]86-* | i860-* | m32r-* | m68k-* | m68000-* \

	      | m88k-* | sparc-* | ns32k-* | fx80-* | arc-* | arm-* | c[123]* \

	      | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \

	      | power-* | none-* | 580-* | cray2-* | h8300-* | i960-* \

	      | xmp-* | ymp-* | hppa-* | hppa1.0-* | hppa1.1-* \

	      | alpha-* | alphaev5-* | alphaev56-* | we32k-* | cydra-* \

	      | ns16k-* | pn-* | np1-* | xps100-* | clipper-* | orion-* \

	      | sparclite-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \

	      | sparc64-* | mips64-* | mipsel-* \

	      | mips64el-* | mips64orion-* | mips64orionel-*  \

	      | mipstx39-* | mipstx39el-* \

	      | f301-*)

		;;

	# Recognize the various machine names and aliases which stand

	# for a CPU type and a company and sometimes even an OS.

	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)

		basic_machine=m68000-att

		;;

	3b*)

		basic_machine=we32k-att

		;;

	alliant | fx80)

		basic_machine=fx80-alliant

		;;

	altos | altos3068)

		basic_machine=m68k-altos

		;;

	am29k)

		basic_machine=a29k-none

		os=-bsd

		;;

	amdahl)

		basic_machine=580-amdahl

		os=-sysv

		;;

	amiga | amiga-*)

		basic_machine=m68k-cbm

		;;

	amigaos | amigados)

		basic_machine=m68k-cbm

		os=-amigaos

		;;

	amigaunix | amix)

		basic_machine=m68k-cbm

		os=-sysv4

		;;

	apollo68)

		basic_machine=m68k-apollo

		os=-sysv

		;;

	aux)

		basic_machine=m68k-apple

		os=-aux

		;;

	balance)

		basic_machine=ns32k-sequent

		os=-dynix

		;;

	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 | ymp)

		basic_machine=ymp-cray

		os=-unicos

		;;

	cray2)

		basic_machine=cray2-cray

		os=-unicos

		;;

	[ctj]90-cray)

		basic_machine=c90-cray

		os=-unicos

		;;

	crds | unos)

		basic_machine=m68k-crds

		;;

	da30 | da30-*)

		basic_machine=m68k-da30

		;;

	decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)

		basic_machine=mips-dec

		;;

	delta | 3300 | motorola-3300 | motorola-delta \

	      | 3300-motorola | delta-motorola)

		basic_machine=m68k-motorola

		;;

	delta88)

		basic_machine=m88k-motorola

		os=-sysv3

		;;

	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

		;;

	fx2800)

		basic_machine=i860-alliant

		;;

	genix)

		basic_machine=ns32k-ns

		;;

	gmicro)

		basic_machine=tron-gmicro

		os=-sysv

		;;

	h3050r* | hiux*)

		basic_machine=hppa1.1-hitachi

		os=-hiuxwe2

		;;

	h8300hms)

		basic_machine=h8300-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

		;;

	hp9k2[0-9][0-9] | hp9k31[0-9])

		basic_machine=m68000-hp

		;;

	hp9k3[2-9][0-9])

		basic_machine=m68k-hp

		;;

	hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)

		basic_machine=hppa1.1-hp

		;;

	hp9k8[0-9][0-9] | hp8[0-9][0-9])

		basic_machine=hppa1.0-hp

		;;

	hppa-next)

		os=-nextstep3

		;;

	i370-ibm* | ibm*)

		basic_machine=i370-ibm

		os=-mvs

		;;

# I'm not sure what "Sysv32" means.  Should this be sysv3.2?

	i[3456]86v32)

		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`

		os=-sysv32

		;;

	i[3456]86v4*)

		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`

		os=-sysv4

		;;

	i[3456]86v)

		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`

		os=-sysv

		;;

	i[3456]86sol2)

		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`

		os=-solaris2

		;;

	iris | iris4d)

		basic_machine=mips-sgi

		case $os in

		    -irix*)

			;;

		    *)

			os=-irix4

			;;

		esac

		;;

	isi68 | isi)

		basic_machine=m68k-isi

		os=-sysv

		;;

	m88k-omron*)

		basic_machine=m88k-omron

		;;

	magnum | m3230)

		basic_machine=mips-mips

		os=-sysv

		;;

	merlin)

		basic_machine=ns32k-utek

		os=-sysv

		;;

	miniframe)

		basic_machine=m68000-convergent

		;;

	mipsel*-linux*)

		basic_machine=mipsel-unknown

		os=-linux-gnu

		;;

	mips*-linux*)

		basic_machine=mips-unknown

		os=-linux-gnu

		;;

	mips3*-*)

		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`

		;;

	mips3*)

		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown

		;;

	ncr3000)

		basic_machine=i486-ncr

		os=-sysv4

		;;

	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

		;;

	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

		;;

	np1)

		basic_machine=np1-gould

		;;

	pa-hitachi)

		basic_machine=hppa1.1-hitachi

		os=-hiuxwe2

		;;

	paragon)

		basic_machine=i860-intel

		os=-osf

		;;

	pbd)

		basic_machine=sparc-tti

		;;

	pbb)

		basic_machine=m68k-tti

		;;

        pc532 | pc532-*)

		basic_machine=ns32k-pc532

		;;

	pentium | p5)

		basic_machine=i586-intel

		;;

	pentiumpro | p6)

		basic_machine=i686-intel

		;;

	pentium-* | p5-*)

		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`

		;;

	pentiumpro-* | p6-*)

		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`

		;;

	k5)

		# We don't have specific support for AMD's K5 yet, so just call it a Pentium

		basic_machine=i586-amd

		;;

	nexen)

		# We don't have specific support for Nexgen yet, so just call it a Pentium

		basic_machine=i586-nexgen

		;;

	pn)

		basic_machine=pn-gould

		;;

	power)	basic_machine=rs6000-ibm

		;;

	ppc)	basic_machine=powerpc-unknown

	        ;;

	ppc-*)	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/^[^-]*-//'`

		;;

	ps2)

		basic_machine=i386-ibm

		;;

	rm[46]00)

		basic_machine=mips-siemens

		;;

	rtpc | rtpc-*)

		basic_machine=romp-ibm

		;;

	sequent)

		basic_machine=i386-sequent

		;;

	sh)

		basic_machine=sh-hitachi

		os=-hms

		;;

	sps7)

		basic_machine=m68k-bull

		os=-sysv2

		;;

	spur)

		basic_machine=spur-unknown

		;;

	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

		;;

	symmetry)

		basic_machine=i386-sequent

		os=-dynix

		;;

	tx39)

		basic_machine=mipstx39-unknown

		;;

	tx39el)

		basic_machine=mipstx39el-unknown

		;;

	tower | tower-32)

		basic_machine=m68k-ncr

		;;

	udi29k)

		basic_machine=a29k-amd

		os=-udi

		;;

	ultra3)

		basic_machine=a29k-nyu

		os=-sym1

		;;

	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

		;;

	xmp)

		basic_machine=xmp-cray

		os=-unicos

		;;

        xps | xps100)

		basic_machine=xps100-honeywell

		;;

	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.

	mips)

		if [ x$os = x-linux-gnu ]; then

			basic_machine=mips-unknown

		else

			basic_machine=mips-mips

		fi

		;;

	romp)

		basic_machine=romp-ibm

		;;

	rs6000)

		basic_machine=rs6000-ibm

		;;

	vax)

		basic_machine=vax-dec

		;;

	pdp11)

		basic_machine=pdp11-dec

		;;

	we32k)

		basic_machine=we32k-att

		;;

	sparc)

		basic_machine=sparc-sun

		;;

        cydra)

		basic_machine=cydra-cydrome

		;;

	orion)

		basic_machine=orion-highlevel

		;;

	orion105)

		basic_machine=clipper-highlevel

		;;

	*)

		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.

	-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* | -sunos | -sunos[34]*\

	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \

	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \

	      | -aos* \

	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \

	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \

	      | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \

	      | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \

	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \

	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \

	      | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems* \

	      | -mingw32* | -linux-gnu* | -uxpv*)

	# Remember, each alternative MUST END IN *, to match a version number.

		;;

	-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|'`

		;;

	-osfrose*)

		os=-osfrose

		;;

	-osf*)

		os=-osf

		;;

	-utek*)

		os=-bsd

		;;

	-dynix*)

		os=-bsd

		;;

	-acis*)

		os=-aos

		;;

	-ctix* | -uts*)

		os=-sysv

		;;

	-ns2 )

	        os=-nextstep2

		;;

	# Preserve the version number of sinix5.

	-sinix5.*)

		os=`echo $os | sed -e 's|sinix|sysv|'`

		;;

	-sinix*)

		os=-sysv4

		;;

	-triton*)

		os=-sysv3

		;;

	-oss*)

		os=-sysv3

		;;

	-svr4)

		os=-sysv4

		;;

	-svr3)

		os=-sysv3

		;;

	-sysvr4)

		os=-sysv4

		;;

	# This must come after -sysvr4.

	-sysv*)

		;;

	-xenix)

		os=-xenix

		;;

	-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

	*-acorn)

		os=-riscix1.2

		;;

	arm*-semi)

		os=-aout

		;;

        pdp11-*)

		os=-none

		;;

	*-dec | vax-*)

		os=-ultrix4.2

		;;

	m68*-apollo)

		os=-domain

		;;

	i386-sun)

		os=-sunos4.0.2

		;;

	m68000-sun)

		os=-sunos3

		# This also exists in the configure program, but was not the

		# default.

		# os=-sunos4

		;;

	*-tti)	# must be before sparc entry or we get the wrong os.

		os=-sysv3

		;;

	sparc-* | *-sun)

		os=-sunos4.1.1

		;;

	*-ibm)

		os=-aix

		;;

	*-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

		;;