Update disk requirements.
[bpt/emacs.git] / config.sub
index f62927a..e67a800 100755 (executable)
@@ -1,24 +1,29 @@
-#!/bin/sh
-# Configuration validation subroutine script, version 1.0.
-#   Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+#! /bin/sh
+# Configuration validation subroutine script, version 1.1.
+#   Copyright (C) 1991, 1992, 1993, 1994, 1995 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.
 
-#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., 675 Mass Ave, Cambridge, MA 02139, 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.
 # 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
-# it is wrong to echo any other type of specification
+# 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
@@ -54,82 +68,131 @@ if [ $basic_machine != $1 ]
 then os=`echo $1 | sed 's/.*-/-/'`
 else os=; fi
 
-# Lets recognize common machines as not being OS so that things like
-# config.subr decstation-3100 work.
+### 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* | -osf* | \
+       -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)
+       -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp )
                os=
                basic_machine=$1
                ;;
+       -hiux*)
+               os=-hiuxwe2
+               ;;
+       -sco4)
+               os=-sco3.2v4
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+               ;;
+       -sco3.2.[4-9]*)
+               os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+               ;;
+       -sco3.2v[4-9]*)
+               # Don't forget version if it is 3.2v4 or newer.
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+               ;;
        -sco*)
                os=-sco3.2v2
-               basic_machine=i386-unknown
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+               ;;
+       -isc)
+               os=-isc2.2
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+               ;;
+       -clix*)
+               basic_machine=clipper-intergraph
                ;;
        -isc*)
-               os=-isc
-               basic_machine=i386-unknown
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+               ;;
+       -lynx*)
+               os=-lynxos
+               ;;
+       -ptx*)
+               basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
+               ;;
+       -windowsnt*)
+               os=`echo $os | sed -e 's/windowsnt/winnt/'`
                ;;
 esac
 
 # Decode aliases for certain CPU-COMPANY combinations.
 case $basic_machine in
-       # Recognize the basic CPU types with without company name.
+       # Recognize the basic CPU types without company name.
        # Some are omitted here because they have special meanings below.
-       tahoe | i[34]86 | i860 | m68k | m68000 | m88k | ns32k | arm | pyramid \
-               | tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 | we32k)
+       tahoe | i[345]86 | i860 | m68k | m68000 | m88k | ns32k | arm \
+               | arme[lb] | pyramid \
+               | tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 \
+               | alpha | we32k | ns16k | clipper | sparclite | i370 | sh \
+               | powerpc | powerpcle | sparc64 | 1750a | dsp16xx | mips64 | mipsel \
+               | pdp11 | mips64el | mips64orion | mips64orionel \
+               | sparc)
                basic_machine=$basic_machine-unknown
                ;;
-       # Recognize the basic CPU types with with company name.
-       vax-* | tahoe-* | i[34]86-* | i860-* | m68k-* | m68000-* | m88k-* \
+       # 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[345]86-* | i860-* | m68k-* | m68000-* | m88k-* \
              | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
-             | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
+             | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
              | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
-             | hppa1.0-* | hppa1.1-* | we32k-*)
+             | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \
+             | pn-* | np1-* | xps100-* | clipper-* | orion-* | sparclite-* \
+             | pdp11-* | sh-* | powerpc-* | powerpcle-* | sparc64-* | mips64-* | mipsel-* \
+             | mips64el-* | mips64orion-* | mips64orionel-*)
                ;;
        # Recognize the various machine names and aliases which stand
        # for a CPU type and a company and sometimes even an OS.
-       vaxv)
-               basic_machine=vax-dec
-               os=-sysv
+       3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
+               basic_machine=m68000-att
                ;;
-       vms)
-               basic_machine=vax-dec
-               os=-vms
+       3b*)
+               basic_machine=we32k-att
                ;;
-       i386v32)
-               basic_machine=i386-unknown
-               os=-sysv32
+       alliant | fx80)
+               basic_machine=fx80-alliant
                ;;
-       i386-sco* | i386sco | sco)
-               basic_machine=i386-unknown
-               os=-sco3.2v2
+       altos | altos3068)
+               basic_machine=m68k-altos
                ;;
-       i386-isc* | isc)
-               basic_machine=i386-unknown
-               os=-isc
+       am29k)
+               basic_machine=a29k-none
+               os=-bsd
                ;;
-       i386v4*)
-               basic_machine=i386-unknown
-               os=-sysv4
+       amdahl)
+               basic_machine=580-amdahl
+               os=-sysv
+               ;;
+       amiga | amiga-*)
+               basic_machine=m68k-cbm
+               ;;
+       amigados)
+               basic_machine=m68k-cbm
+               os=-amigados
                ;;
-       i486v4*)
-               basic_machine=i486-unknown
+       amigaunix | amix)
+               basic_machine=m68k-cbm
                os=-sysv4
                ;;
-       i386v)
-               basic_machine=i386-unknown
+       apollo68)
+               basic_machine=m68k-apollo
                os=-sysv
                ;;
-       spur)
-               basic_machine=spur-unknown
-               ;;
-       alliant | fx80)
-               basic_machine=fx80-alliant
+       balance)
+               basic_machine=ns32k-sequent
+               os=-dynix
                ;;
        convex-c1)
                basic_machine=c1-convex
@@ -151,248 +214,328 @@ case $basic_machine in
                basic_machine=c38-convex
                os=-bsd
                ;;
-       m88k-omron*)
-               basic_machine=m88k-omron
+       cray | ymp)
+               basic_machine=ymp-cray
+               os=-unicos
                ;;
-       merlin)
-               basic_machine=ns32k-utek
-               os=-sysv
+       cray2)
+               basic_machine=cray2-cray
+               os=-unicos
                ;;
        crds | unos)
                basic_machine=m68k-crds
                ;;
-       encore | umax | mmax)
-               basic_machine=ns32k-encore
-               os=-bsd
+       da30 | da30-*)
+               basic_machine=m68k-da30
                ;;
-       genix)
-               basic_machine=ns32k-ns
-               ;;
-       iris | iris4d)
-               basic_machine=mips-sgi
-               case $os in
-                   -irix*)
-                       ;;
-                   *)
-                       os=-irix4
-                       ;;
-               esac
-               ;;
-       news | news700 | news800 | news900)
-               basic_machine=m68k-sony
-               os=-newsos
-               ;;
-       3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
-               basic_machine=m68000-att
-               ;;
-       3b*)
-               basic_machine=we32k-att
+       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
                ;;
-       balance)
-               basic_machine=ns32k-sequent
-               os=-dynix
-               ;;
-        pc532)
-               basic_machine=ns32k-pc532
-               ;;
-       symmetry)
-               basic_machine=i386-sequent
-               os=-dynix
-               ;;
-       sun2)
-               basic_machine=m68000-sun
-               ;;
-       sun2os3)
-               basic_machine=m68000-sun
-               os=-sunos3
+       delta88)
+               basic_machine=m88k-motorola
+               os=-sysv3
                ;;
-       sun2os4)
-               basic_machine=m68000-sun
-               os=-sunos4
+       dpx20 | dpx20-*)
+               basic_machine=rs6000-bull
+               os=-bosx
                ;;
-       sun3os3)
-               basic_machine=m68k-sun
-               os=-sunos3
+       dpx2* | dpx2*-bull)
+               basic_machine=m68k-bull
+               os=-sysv3
                ;;
-       sun3os4)
-               basic_machine=m68k-sun
-               os=-sunos4
+       ebmon29k)
+               basic_machine=a29k-amd
+               os=-ebmon
                ;;
-       sun4os3)
-               basic_machine=sparc-sun
-               os=-sunos3
+       elxsi)
+               basic_machine=elxsi-elxsi
+               os=-bsd
                ;;
-       sun4os4)
-               basic_machine=sparc-sun
-               os=-sunos4
+       encore | umax | mmax)
+               basic_machine=ns32k-encore
                ;;
-       sun3)
-               basic_machine=m68k-sun
+       fx2800)
+               basic_machine=i860-alliant
                ;;
-       sun4)
-               basic_machine=sparc-sun
+       genix)
+               basic_machine=ns32k-ns
                ;;
-       pbd)
-               basic_machine=sparc-tti
+       gmicro)
+               basic_machine=tron-gmicro
+               os=-sysv
                ;;
-       pbb)
-               basic_machine=m68k-tti
+       h3050r* | hiux*)
+               basic_machine=hppa1.1-hitachi
+               os=-hiuxwe2
                ;;
-       sun386 | sun386i | roadrunner)
-               basic_machine=i386-sun
+       h8300hms)
+               basic_machine=h8300-hitachi
+               os=-hms
                ;;
-       ps2)
-               basic_machine=i386-ibm
+       harris)
+               basic_machine=m88k-harris
+               os=-sysv3
                ;;
-       fx2800)
-               basic_machine=i860-alliant
+       hp300-*)
+               basic_machine=m68k-hp
                ;;
-       next)
-               basic_machine=m68k-next
+       hp300bsd)
+               basic_machine=m68k-hp
                os=-bsd
                ;;
-       amiga)
-               basic_machine=m68k-cbm
-               ;;
-       hp9k3[2-9][0-9])
+       hp300hpux)
                basic_machine=m68k-hp
+               os=-hpux
                ;;
-       hp9k31[0-9] | hp9k2[0-9][0-9])
+       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
                ;;
+       i370-ibm* | ibm*)
+               basic_machine=i370-ibm
+               os=-mvs
+               ;;
+# I'm not sure what "Sysv32" means.  Should this be sysv3.2?
+       i[345]86v32)
+               basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
+               os=-sysv32
+               ;;
+       i[345]86v4*)
+               basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
+               os=-sysv4
+               ;;
+       i[345]86v)
+               basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
+               os=-sysv
+               ;;
+       i[345]86sol2)
+               basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
+               os=-solaris2
+               ;;
+       iris | iris4d)
+               basic_machine=mips-sgi
+               case $os in
+                   -irix*)
+                       ;;
+                   *)
+                       os=-irix4
+                       ;;
+               esac
+               ;;
        isi68 | isi)
                basic_machine=m68k-isi
                os=-sysv
                ;;
-       apollo68)
-               basic_machine=m68k-apollo
+       m88k-omron*)
+               basic_machine=m88k-omron
+               ;;
+       magnum | m3230)
+               basic_machine=mips-mips
                os=-sysv
                ;;
-       altos | altos3068)
-               basic_machine=m68k-altos
+       merlin)
+               basic_machine=ns32k-utek
+               os=-sysv
                ;;
        miniframe)
                basic_machine=m68000-convergent
                ;;
-       tower | tower-32)
-               basic_machine=m68k-ncr
+       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
                ;;
-       decstation | decstation-3100 | pmax | pmin | dec3100 | decstatn)
-               basic_machine=mips-dec
+       next | m*-next )
+               basic_machine=m68k-next
+               case $os in
+                   -nextstep* )
+                       ;;
+                   -ns2*)
+                     os=-nextstep2
+                       ;;
+                   *)
+                     os=-nextstep3
+                       ;;
+               esac
                ;;
-       magnum | m3230)
-               basic_machine=mips-mips
-               os=-sysv
+       nh3000)
+               basic_machine=m68k-harris
+               os=-cxux
                ;;
-       gmicro)
-               basic_machine=tron-gmicro
-               os=-sysv
+       nh[45]000)
+               basic_machine=m88k-harris
+               os=-cxux
                ;;
-       rtpc | rtpc-*)
-               basic_machine=romp-ibm
+       nindy960)
+               basic_machine=i960-intel
+               os=-nindy
                ;;
-       am29k)
-               basic_machine=a29k-none
-               os=-bsd
+       np1)
+               basic_machine=np1-gould
                ;;
-       amdahl)
-               basic_machine=580-amdahl
-               os=-sysv
+       pa-hitachi)
+               basic_machine=hppa1.1-hitachi
+               os=-hiuxwe2
                ;;
-       amigados)
-               basic_machine=m68k-cbm
-               os=-amigados
+       paragon)
+               basic_machine=i860-intel
+               os=-osf
                ;;
-       amigaunix | amix)
-               basic_machine=m68k-cbm
-               os=-amix
+       pbd)
+               basic_machine=sparc-tti
                ;;
-       cray | ymp)
-               basic_machine=ymp-cray
-               os=-unicos
+       pbb)
+               basic_machine=m68k-tti
                ;;
-       cray2)
-               basic_machine=cray2-cray
-               os=-unicos
+        pc532 | pc532-*)
+               basic_machine=ns32k-pc532
                ;;
-       xmp)
-               basic_machine=xmp-cray
-               os=-unicos
+       pentium | p5 | p6)
+               # We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium
+               basic_machine=i586-intel
                ;;
-       delta88)
-               basic_machine=m88k-motorola
-               os=-m88kbcs
+       pentium-* | p5-* | p6-*)
+               # We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium
+               basic_machine=i586-`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
                ;;
-       dpx2)
+       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=-sysv
+               os=-sysv2
                ;;
-       ebmon29k)
-               basic_machine=a29k-amd
-               os=-ebmon
+       spur)
+               basic_machine=spur-unknown
                ;;
-       h8300hds)
-               basic_machine=h8300-hitachi
-               os=-hds
+       sun2)
+               basic_machine=m68000-sun
                ;;
-       harris)
-               basic_machine=m88k-harris
-               os=-m88kbcs
+       sun2os3)
+               basic_machine=m68000-sun
+               os=-sunos3
                ;;
-       hp300bsd)
-               basic_machine=m68k-hp
-               os=-bsd
+       sun2os4)
+               basic_machine=m68000-sun
+               os=-sunos4
                ;;
-       hp300hpux)
-               basic_machine=m68k-hp
-               os=-hpux
+       sun3os3)
+               basic_machine=m68k-sun
+               os=-sunos3
                ;;
-       hp9k2[0-9][0-9] | hp9k31[0-9])
-               basic_machine=m68000-hp
-               os=-hpux
+       sun3os4)
+               basic_machine=m68k-sun
+               os=-sunos4
                ;;
-       hp9k3[2-9][0-9])
-               basic_machine=m68k-hp
-               os=-hpux
+       sun4os3)
+               basic_machine=sparc-sun
+               os=-sunos3
                ;;
-       ncr3000)
-               basic_machine=i486-ncr
-               os=-sysv4
+       sun4os4)
+               basic_machine=sparc-sun
+               os=-sunos4
                ;;
-       news1000)
-               basic_machine=m68030-sony
-               os=-newsos
+       sun4sol2)
+               basic_machine=sparc-sun
+               os=-solaris2
                ;;
-       nindy960)
-               basic_machine=i960-intel
-               os=-nindy
+       sun3 | sun3-*)
+               basic_machine=m68k-sun
                ;;
-       pn)
-               basic_machine=pn-gould
-               os=-sysv
+       sun4)
+               basic_machine=sparc-sun
                ;;
-       np1)
-               basic_machine=np1-gould
-               os=-sysv
+       sun386 | sun386i | roadrunner)
+               basic_machine=i386-sun
+               ;;
+       symmetry)
+               basic_machine=i386-sequent
+               os=-dynix
+               ;;
+       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
+               ;;
        vxworks960)
                basic_machine=i960-wrs
                os=-vxworks
@@ -401,6 +544,17 @@ case $basic_machine in
                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
@@ -420,12 +574,24 @@ case $basic_machine in
        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
@@ -446,22 +612,51 @@ esac
 
 # Decode manufacturer-specific aliases for certain operating systems.
 
-if [ "$os" ]
+if [ x"$os" != x"" ]
 then
 case $os in
+       # -solaris* is a basic system type, with this one exception.
+       -solaris1 | -solaris1.*)
+               os=`echo $os | sed -e 's|solaris1|sunos4|'`
+               ;;
+       -solaris)
+               os=-solaris2
+               ;;
+       -unixware* | svr4*)
+               os=-sysv4
+               ;;
+       -gnu/linux*)
+               os=`echo $os | sed -e 's|gnu/linux|linux|'`
+               ;;
        # First accept the basic system types.
        # The portable systems comes first.
-       # Each alternative must end in a *, to match a version number.
-       -bsd* | -sysv* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
-             | -vms* | -sco* | -esix* | -isc* | -aix* | -sunos* | -hpux* \
-             | -unos* | -osf* | -luna* | -dgux* | -solari* | -sym* | -amix* \
+       # 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[345]* \
+             | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
              | -amigados* | -msdos* | -newsos* | -unicos* | -aos* \
-             | -nindy* | -vxworks* | -ebmon* | -hds* | -m88kbcs*)
+             | -nindy* | -vxworks* | -ebmon* | -hms* | -mvs* | -clix* \
+             | -riscos* | -linux* | -uniplus* | -iris* | -rtu* | -xenix* \
+             | -hiux* | -386bsd* | -netbsd* | -freebsd* | -riscix* \
+             | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
+             | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
+             | -udi* | -eabi* | -lites* )
+       # Remember, each alternative MUST END IN *, to match a version number.
+               ;;
+       -sunos5*)
+               os=`echo $os | sed -e 's|sunos5|solaris2|'`
+               ;;
+       -sunos6*)
+               os=`echo $os | sed -e 's|sunos6|solaris3|'`
                ;;
        -osfrose*)
-               os=-osf
+               os=-osfrose
                ;;
        -osf*)
+               os=-osf
+               ;;
+       -utek*)
                os=-bsd
                ;;
        -dynix*)
@@ -473,6 +668,13 @@ case $os in
        -ctix* | -uts*)
                os=-sysv
                ;;
+       # Preserve the version number of sinix5.
+       -sinix5.*)
+               os=`echo $os | sed -e 's|sinix|sysv|'`
+               ;;
+       -sinix*)
+               os=-sysv4
+               ;;
        -triton*)
                os=-sysv3
                ;;
@@ -485,11 +687,20 @@ case $os in
        -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 $1 | sed 's/[^-]*-//'`
+               os=`echo $os | sed 's/[^-]*-//'`
                echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
                exit 1
                ;;
@@ -499,12 +710,31 @@ 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=-ultrix42
+               os=-ultrix4.2
+               ;;
+       m68*-apollo)
+               os=-domain
                ;;
        i386-sun)
-               os=-sunos402
+               os=-sunos4.0.2
                ;;
        m68000-sun)
                os=-sunos3
@@ -516,7 +746,7 @@ case $basic_machine in
                os=-sysv3
                ;;
        sparc-* | *-sun)
-               os=-sunos411
+               os=-sunos4.1.1
                ;;
        *-ibm)
                os=-aix
@@ -524,7 +754,10 @@ case $basic_machine in
        *-hp)
                os=-hpux
                ;;
-       *-sgi | i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
+       *-hitachi)
+               os=-hiux
+               ;;
+       i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
                os=-sysv
                ;;
        *-cbm)
@@ -536,17 +769,44 @@ case $basic_machine in
        *-dolphin)
                os=-sysv3
                ;;
+       m68k-ccur)
+               os=-rtu
+               ;;
        m88k-omron*)
                os=-luna
                ;;
+       *-sequent)
+               os=-ptx
+               ;;
        *-crds)
                os=-unos
                ;;
        *-ns)
                os=-genix
                ;;
-       i386-*)
-               os=-sco3.2v2
+       i370-*)
+               os=-mvs
+               ;;
+       *-next)
+               os=-nextstep3
+               ;;
+        *-gould)
+               os=-sysv
+               ;;
+        *-highlevel)
+               os=-bsd
+               ;;
+       *-encore)
+               os=-bsd
+               ;;
+        *-sgi)
+               os=-irix
+               ;;
+        *-siemens)
+               os=-sysv4
+               ;;
+       *-masscomp)
+               os=-rtu
                ;;
        *)
                os=-none
@@ -560,15 +820,24 @@ vendor=unknown
 case $basic_machine in
        *-unknown)
                case $os in
+                       -riscix*)
+                               vendor=acorn
+                               ;;
                        -sunos*)
                                vendor=sun
                                ;;
+                       -lynxos*)
+                               vendor=lynx
+                               ;;
                        -aix*)
                                vendor=ibm
                                ;;
                        -hpux*)
                                vendor=hp
                                ;;
+                       -hiux*)
+                               vendor=hitachi
+                               ;;
                        -unos*)
                                vendor=crds
                                ;;
@@ -581,6 +850,15 @@ case $basic_machine in
                        -genix*)
                                vendor=ns
                                ;;
+                       -mvs*)
+                               vendor=ibm
+                               ;;
+                       -ptx*)
+                               vendor=sequent
+                               ;;
+                       -vxworks*)
+                               vendor=wrs
+                               ;;
                esac
                basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
                ;;