1 files changed, 263 insertions, 262 deletions

diff --git a/libltdl/config.guess b/libltdl/config.guess
index 45bee139..ad5281e6 100755
--- a/libltdl/config.guess
+++ b/libltdl/config.guess
@@ -3,7 +3,7 @@
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 #   2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
 
-timestamp='2005-04-22'
+timestamp='2005-08-03'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -17,13 +17,15 @@ timestamp='2005-04-22'
 #
 # 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.
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+# 02110-1301, 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.
 
+
 # Originally written by Per Bothner <per@bothner.com>.
 # Please send patches to <config-patches@gnu.org>.  Submit a context
 # diff and a properly formatted ChangeLog entry.
@@ -66,11 +68,11 @@ Try \`$me --help' for more information."
 while test $# -gt 0 ; do
   case $1 in
     --time-stamp | --time* | -t )
-       echo "$timestamp" ; exit 0 ;;
+       echo "$timestamp" ; exit ;;
     --version | -v )
-       echo "$version" ; exit 0 ;;
+       echo "$version" ; exit ;;
     --help | --h* | -h )
-       echo "$usage"; exit 0 ;;
+       echo "$usage"; exit ;;
     -- )     # Stop option processing
        shift; break ;;
     - ) # Use stdin as input.
@@ -123,7 +125,7 @@ case $CC_FOR_BUILD,$HOST_CC,$CC in
         ;;
  ,,*)   CC_FOR_BUILD=$CC ;;
  ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
-esac ;'
+esac ; set_cc_for_build= ;'
 
 # This is needed to find uname on a Pyramid OSx when run in the BSD universe.
 # (ghazi@noc.rutgers.edu 1994-08-24)
@@ -196,55 +198,20 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
         # contains redundant information, the shorter form:
         # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
         echo "${machine}-${os}${release}"
-        exit 0 ;;
-    amd64:OpenBSD:*:*)
-        echo x86_64-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
-    amiga:OpenBSD:*:*)
-        echo m68k-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
-    cats:OpenBSD:*:*)
-        echo arm-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
-    hp300:OpenBSD:*:*)
-        echo m68k-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
-    luna88k:OpenBSD:*:*)
-        echo m88k-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
-    mac68k:OpenBSD:*:*)
-        echo m68k-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
-    macppc:OpenBSD:*:*)
-        echo powerpc-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
-    mvme68k:OpenBSD:*:*)
-        echo m68k-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
-    mvme88k:OpenBSD:*:*)
-        echo m88k-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
-    mvmeppc:OpenBSD:*:*)
-        echo powerpc-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
-    sgi:OpenBSD:*:*)
-        echo mips64-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
-    sun3:OpenBSD:*:*)
-        echo m68k-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:OpenBSD:*:*)
-        echo ${UNAME_MACHINE}-unknown-openbsd${UNAME_RELEASE}
-        exit 0 ;;
+        UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+        echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
+        exit ;;
     *:ekkoBSD:*:*)
         echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     macppc:MirBSD:*:*)
         echo powerppc-unknown-mirbsd${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:MirBSD:*:*)
         echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     alpha:OSF1:*:*)
         case $UNAME_RELEASE in
         *4.0)
@@ -297,40 +264,43 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
         # A Xn.n version is an unreleased experimental baselevel.
         # 1.2 uses "1.2" for uname -r.
         echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
-        exit 0 ;;
+        exit ;;
     Alpha\ *:Windows_NT*:*)
         # How do we know it's Interix rather than the generic POSIX subsystem?
         # Should we change UNAME_MACHINE based on the output of uname instead
         # of the specific Alpha model?
         echo alpha-pc-interix
-        exit 0 ;;
+        exit ;;
     21064:Windows_NT:50:3)
         echo alpha-dec-winnt3.5
-        exit 0 ;;
+        exit ;;
     Amiga*:UNIX_System_V:4.0:*)
         echo m68k-unknown-sysv4
-        exit 0;;
+        exit ;;
     *:[Aa]miga[Oo][Ss]:*:*)
         echo ${UNAME_MACHINE}-unknown-amigaos
-        exit 0 ;;
+        exit ;;
     *:[Mm]orph[Oo][Ss]:*:*)
         echo ${UNAME_MACHINE}-unknown-morphos
-        exit 0 ;;
+        exit ;;
     *:OS/390:*:*)
         echo i370-ibm-openedition
-        exit 0 ;;
+        exit ;;
     *:z/VM:*:*)
         echo s390-ibm-zvmoe
-        exit 0 ;;
+        exit ;;
     *:OS400:*:*)
         echo powerpc-ibm-os400
-        exit 0 ;;
+        exit ;;
     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
         echo arm-acorn-riscix${UNAME_RELEASE}
-        exit 0;;
+        exit ;;
+    arm:riscos:*:*|arm:RISCOS:*:*)
+        echo arm-unknown-riscos
+        exit ;;
     SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
         echo hppa1.1-hitachi-hiuxmpp
-        exit 0;;
+        exit ;;
     Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
         # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
         if test "`(/bin/universe) 2>/dev/null`" = att ; then
@@ -338,32 +308,32 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
         else
                 echo pyramid-pyramid-bsd
         fi
-        exit 0 ;;
+        exit ;;
     NILE*:*:*:dcosx)
         echo pyramid-pyramid-svr4
-        exit 0 ;;
+        exit ;;
     DRS?6000:unix:4.0:6*)
         echo sparc-icl-nx6
-        exit 0 ;;
+        exit ;;
     DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
         case `/usr/bin/uname -p` in
-            sparc) echo sparc-icl-nx7 && exit 0 ;;
+            sparc) echo sparc-icl-nx7; exit ;;
         esac ;;
     sun4H:SunOS:5.*:*)
         echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-        exit 0 ;;
+        exit ;;
     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
         echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-        exit 0 ;;
+        exit ;;
     i86pc:SunOS:5.*:*)
         echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-        exit 0 ;;
+        exit ;;
     sun4*:SunOS:6*:*)
         # According to config.sub, this is the proper way to canonicalize
         # SunOS6.  Hard to guess exactly what SunOS6 will be like, but
         # it's likely to be more like Solaris than SunOS4.
         echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-        exit 0 ;;
+        exit ;;
     sun4*:SunOS:*:*)
         case "`/usr/bin/arch -k`" in
             Series*|S4*)
@@ -372,10 +342,10 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
         esac
         # Japanese Language versions have a version number like `4.1.3-JL'.
         echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
-        exit 0 ;;
+        exit ;;
     sun3*:SunOS:*:*)
         echo m68k-sun-sunos${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     sun*:*:4.2BSD:*)
         UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
         test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
@@ -387,10 +357,10 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
                 echo sparc-sun-sunos${UNAME_RELEASE}
                 ;;
         esac
-        exit 0 ;;
+        exit ;;
     aushp:SunOS:*:*)
         echo sparc-auspex-sunos${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     # The situation for MiNT is a little confusing.  The machine name
     # can be virtually everything (everything which is not
     # "atarist" or "atariste" at least should have a processor
@@ -401,40 +371,40 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     # be no problem.
     atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
         echo m68k-atari-mint${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
         echo m68k-atari-mint${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
         echo m68k-atari-mint${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
         echo m68k-milan-mint${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
         echo m68k-hades-mint${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
         echo m68k-unknown-mint${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     m68k:machten:*:*)
         echo m68k-apple-machten${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     powerpc:machten:*:*)
         echo powerpc-apple-machten${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     RISC*:Mach:*:*)
         echo mips-dec-mach_bsd4.3
-        exit 0 ;;
+        exit ;;
     RISC*:ULTRIX:*:*)
         echo mips-dec-ultrix${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     VAX*:ULTRIX*:*:*)
         echo vax-dec-ultrix${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     2020:CLIX:*:* | 2430:CLIX:*:*)
         echo clipper-intergraph-clix${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     mips:*:*:UMIPS | mips:*:*:RISCos)
         eval $set_cc_for_build
         sed 's/^        //' << EOF >$dummy.c
@@ -458,32 +428,33 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
           exit (-1);
         }
 EOF
-        $CC_FOR_BUILD -o $dummy $dummy.c \
-          && $dummy `echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` \
-          && exit 0
+        $CC_FOR_BUILD -o $dummy $dummy.c &&
+          dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` &&
+          SYSTEM_NAME=`$dummy $dummyarg` &&
+            { echo "$SYSTEM_NAME"; exit; }
         echo mips-mips-riscos${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     Motorola:PowerMAX_OS:*:*)
         echo powerpc-motorola-powermax
-        exit 0 ;;
+        exit ;;
     Motorola:*:4.3:PL8-*)
         echo powerpc-harris-powermax
-        exit 0 ;;
+        exit ;;
     Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
         echo powerpc-harris-powermax
-        exit 0 ;;
+        exit ;;
     Night_Hawk:Power_UNIX:*:*)
         echo powerpc-harris-powerunix
-        exit 0 ;;
+        exit ;;
     m88k:CX/UX:7*:*)
         echo m88k-harris-cxux7
-        exit 0 ;;
+        exit ;;
     m88k:*:4*:R4*)
         echo m88k-motorola-sysv4
-        exit 0 ;;
+        exit ;;
     m88k:*:3*:R3*)
         echo m88k-motorola-sysv3
-        exit 0 ;;
+        exit ;;
     AViiON:dgux:*:*)
         # DG/UX returns AViiON for all architectures
         UNAME_PROCESSOR=`/usr/bin/uname -p`
@@ -499,29 +470,29 @@ EOF
         else
             echo i586-dg-dgux${UNAME_RELEASE}
         fi
-        exit 0 ;;
+        exit ;;
     M88*:DolphinOS:*:*) # DolphinOS (SVR3)
         echo m88k-dolphin-sysv3
-        exit 0 ;;
+        exit ;;
     M88*:*:R3*:*)
         # Delta 88k system running SVR3
         echo m88k-motorola-sysv3
-        exit 0 ;;
+        exit ;;
     XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
         echo m88k-tektronix-sysv3
-        exit 0 ;;
+        exit ;;
     Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
         echo m68k-tektronix-bsd
-        exit 0 ;;
+        exit ;;
     *:IRIX*:*:*)
         echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
-        exit 0 ;;
+        exit ;;
     ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
-        echo romp-ibm-aix      # uname -m gives an 8 hex-code CPU id
-        exit 0 ;;              # Note that: echo "'`uname -s`'" gives 'AIX '
+        echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
+        exit ;;               # Note that: echo "'`uname -s`'" gives 'AIX '
     i*86:AIX:*:*)
         echo i386-ibm-aix
-        exit 0 ;;
+        exit ;;
     ia64:AIX:*:*)
         if [ -x /usr/bin/oslevel ] ; then
                 IBM_REV=`/usr/bin/oslevel`
@@ -529,7 +500,7 @@ EOF
                 IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
         fi
         echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
-        exit 0 ;;
+        exit ;;
     *:AIX:2:3)
         if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
                 eval $set_cc_for_build
@@ -544,14 +515,18 @@ EOF
                         exit(0);
                         }
 EOF
-                $CC_FOR_BUILD -o $dummy $dummy.c && $dummy && exit 0
-                echo rs6000-ibm-aix3.2.5
+                if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy`
+                then
+                        echo "$SYSTEM_NAME"
+                else
+                        echo rs6000-ibm-aix3.2.5
+                fi
         elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
                 echo rs6000-ibm-aix3.2.4
         else
                 echo rs6000-ibm-aix3.2
         fi
-        exit 0 ;;
+        exit ;;
     *:AIX:*:[45])
         IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
         if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
@@ -565,28 +540,28 @@ EOF
                 IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
         fi
         echo ${IBM_ARCH}-ibm-aix${IBM_REV}
-        exit 0 ;;
+        exit ;;
     *:AIX:*:*)
         echo rs6000-ibm-aix
-        exit 0 ;;
+        exit ;;
     ibmrt:4.4BSD:*|romp-ibm:BSD:*)
         echo romp-ibm-bsd4.4
-        exit 0 ;;
+        exit ;;
     ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
         echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
-        exit 0 ;;                           # report: romp-ibm BSD 4.3
+        exit ;;                             # report: romp-ibm BSD 4.3
     *:BOSX:*:*)
         echo rs6000-bull-bosx
-        exit 0 ;;
+        exit ;;
     DPX/2?00:B.O.S.:*:*)
         echo m68k-bull-sysv3
-        exit 0 ;;
+        exit ;;
     9000/[34]??:4.3bsd:1.*:*)
         echo m68k-hp-bsd
-        exit 0 ;;
+        exit ;;
     hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
         echo m68k-hp-bsd4.4
-        exit 0 ;;
+        exit ;;
     9000/[34678]??:HP-UX:*:*)
         HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
         case "${UNAME_MACHINE}" in
@@ -648,9 +623,19 @@ EOF
         esac
         if [ ${HP_ARCH} = "hppa2.0w" ]
         then
-            # avoid double evaluation of $set_cc_for_build
-            test -n "$CC_FOR_BUILD" || eval $set_cc_for_build
-            if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E -) | grep __LP64__ >/dev/null
+            eval $set_cc_for_build
+
+            # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
+            # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
+            # generating 64-bit code.  GNU and HP use different nomenclature:
+            #
+            # $ CC_FOR_BUILD=cc ./config.guess
+            # => hppa2.0w-hp-hpux11.23
+            # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
+            # => hppa64-hp-hpux11.23
+
+            if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
+                grep __LP64__ >/dev/null
             then
                 HP_ARCH="hppa2.0w"
             else
@@ -658,11 +643,11 @@ EOF
             fi
         fi
         echo ${HP_ARCH}-hp-hpux${HPUX_REV}
-        exit 0 ;;
+        exit ;;
     ia64:HP-UX:*:*)
         HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
         echo ia64-hp-hpux${HPUX_REV}
-        exit 0 ;;
+        exit ;;
     3050*:HI-UX:*:*)
         eval $set_cc_for_build
         sed 's/^        //' << EOF >$dummy.c
@@ -690,161 +675,166 @@ EOF
           exit (0);
         }
 EOF
-        $CC_FOR_BUILD -o $dummy $dummy.c && $dummy && exit 0
+        $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` &&
+                { echo "$SYSTEM_NAME"; exit; }
         echo unknown-hitachi-hiuxwe2
-        exit 0 ;;
+        exit ;;
     9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
         echo hppa1.1-hp-bsd
-        exit 0 ;;
+        exit ;;
     9000/8??:4.3bsd:*:*)
         echo hppa1.0-hp-bsd
-        exit 0 ;;
+        exit ;;
     *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
         echo hppa1.0-hp-mpeix
-        exit 0 ;;
+        exit ;;
     hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
         echo hppa1.1-hp-osf
-        exit 0 ;;
+        exit ;;
     hp8??:OSF1:*:*)
         echo hppa1.0-hp-osf
-        exit 0 ;;
+        exit ;;
     i*86:OSF1:*:*)
         if [ -x /usr/sbin/sysversion ] ; then
             echo ${UNAME_MACHINE}-unknown-osf1mk
         else
             echo ${UNAME_MACHINE}-unknown-osf1
         fi
-        exit 0 ;;
+        exit ;;
     parisc*:Lites*:*:*)
         echo hppa1.1-hp-lites
-        exit 0 ;;
+        exit ;;
     C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
         echo c1-convex-bsd
-        exit 0 ;;
+        exit ;;
     C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
         if getsysinfo -f scalar_acc
         then echo c32-convex-bsd
         else echo c2-convex-bsd
         fi
-        exit 0 ;;
+        exit ;;
     C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
         echo c34-convex-bsd
-        exit 0 ;;
+        exit ;;
     C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
         echo c38-convex-bsd
-        exit 0 ;;
+        exit ;;
     C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
         echo c4-convex-bsd
-        exit 0 ;;
+        exit ;;
     CRAY*Y-MP:*:*:*)
         echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
-        exit 0 ;;
+        exit ;;
     CRAY*[A-Z]90:*:*:*)
         echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
         | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
               -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
               -e 's/\.[^.]*$/.X/'
-        exit 0 ;;
+        exit ;;
     CRAY*TS:*:*:*)
         echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
-        exit 0 ;;
+        exit ;;
     CRAY*T3E:*:*:*)
         echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
-        exit 0 ;;
+        exit ;;
     CRAY*SV1:*:*:*)
         echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
-        exit 0 ;;
+        exit ;;
     *:UNICOS/mp:*:*)
         echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
-        exit 0 ;;
+        exit ;;
     F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
         FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
         FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
         FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
         echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
-        exit 0 ;;
+        exit ;;
     5000:UNIX_System_V:4.*:*)
         FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
         FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
         echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
-        exit 0 ;;
+        exit ;;
     i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
         echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     sparc*:BSD/OS:*:*)
         echo sparc-unknown-bsdi${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:BSD/OS:*:*)
         echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:FreeBSD:*:*)
         echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
-        exit 0 ;;
+        exit ;;
     i*:CYGWIN*:*)
         echo ${UNAME_MACHINE}-pc-cygwin
-        exit 0 ;;
+        exit ;;
     i*:MINGW*:*)
         echo ${UNAME_MACHINE}-pc-mingw32
-        exit 0 ;;
+        exit ;;
+    i*:windows32*:*)
+        # uname -m includes "-pc" on this system.
+        echo ${UNAME_MACHINE}-mingw32
+        exit ;;
     i*:PW*:*)
         echo ${UNAME_MACHINE}-pc-pw32
-        exit 0 ;;
+        exit ;;
     x86:Interix*:[34]*)
         echo i586-pc-interix${UNAME_RELEASE}|sed -e 's/\..*//'
-        exit 0 ;;
+        exit ;;
     [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
         echo i${UNAME_MACHINE}-pc-mks
-        exit 0 ;;
+        exit ;;
     i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
         # How do we know it's Interix rather than the generic POSIX subsystem?
         # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
         # UNAME_MACHINE based on the output of uname instead of i386?
         echo i586-pc-interix
-        exit 0 ;;
+        exit ;;
     i*:UWIN*:*)
         echo ${UNAME_MACHINE}-pc-uwin
-        exit 0 ;;
-    amd64:CYGWIN*:*:*)
+        exit ;;
+    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
         echo x86_64-unknown-cygwin
-        exit 0 ;;
+        exit ;;
     p*:CYGWIN*:*)
         echo powerpcle-unknown-cygwin
-        exit 0 ;;
+        exit ;;
     prep*:SunOS:5.*:*)
         echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
-        exit 0 ;;
+        exit ;;
     *:GNU:*:*)
         # the GNU system
         echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
-        exit 0 ;;
+        exit ;;
     *:GNU/*:*:*)
         # other systems with GNU libc and userland
         echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
-        exit 0 ;;
+        exit ;;
     i*86:Minix:*:*)
         echo ${UNAME_MACHINE}-pc-minix
-        exit 0 ;;
+        exit ;;
     arm*:Linux:*:*)
         echo ${UNAME_MACHINE}-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     cris:Linux:*:*)
         echo cris-axis-linux-gnu
-        exit 0 ;;
+        exit ;;
     crisv32:Linux:*:*)
         echo crisv32-axis-linux-gnu
-        exit 0 ;;
+        exit ;;
     frv:Linux:*:*)
         echo frv-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     ia64:Linux:*:*)
         echo ${UNAME_MACHINE}-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     m32r*:Linux:*:*)
         echo ${UNAME_MACHINE}-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     m68*:Linux:*:*)
         echo ${UNAME_MACHINE}-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     mips:Linux:*:*)
         eval $set_cc_for_build
         sed 's/^        //' << EOF >$dummy.c
@@ -862,7 +852,7 @@ EOF
         #endif
 EOF
         eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^CPU=`
-        test x"${CPU}" != x && echo "${CPU}-unknown-linux-gnu" && exit 0
+        test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
         ;;
     mips64:Linux:*:*)
         eval $set_cc_for_build
@@ -881,14 +871,17 @@ EOF
         #endif
 EOF
         eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^CPU=`
-        test x"${CPU}" != x && echo "${CPU}-unknown-linux-gnu" && exit 0
+        test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
         ;;
+    or32:Linux:*:*)
+        echo or32-unknown-linux-gnu
+        exit ;;
     ppc:Linux:*:*)
         echo powerpc-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     ppc64:Linux:*:*)
         echo powerpc64-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     alpha:Linux:*:*)
         case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
           EV5)   UNAME_MACHINE=alphaev5 ;;
@@ -902,7 +895,7 @@ EOF
         objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
         if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
         echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
-        exit 0 ;;
+        exit ;;
     parisc:Linux:*:* | hppa:Linux:*:*)
         # Look for CPU level
         case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
@@ -910,25 +903,25 @@ EOF
           PA8*) echo hppa2.0-unknown-linux-gnu ;;
           *)    echo hppa-unknown-linux-gnu ;;
         esac
-        exit 0 ;;
+        exit ;;
     parisc64:Linux:*:* | hppa64:Linux:*:*)
         echo hppa64-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     s390:Linux:*:* | s390x:Linux:*:*)
         echo ${UNAME_MACHINE}-ibm-linux
-        exit 0 ;;
+        exit ;;
     sh64*:Linux:*:*)
         echo ${UNAME_MACHINE}-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     sh*:Linux:*:*)
         echo ${UNAME_MACHINE}-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     sparc:Linux:*:* | sparc64:Linux:*:*)
         echo ${UNAME_MACHINE}-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     x86_64:Linux:*:*)
         echo x86_64-unknown-linux-gnu
-        exit 0 ;;
+        exit ;;
     i*86:Linux:*:*)
         # The BFD linker knows what the default object file format is, so
         # first see if it will tell us. cd to the root directory to prevent
@@ -946,15 +939,15 @@ EOF
                 ;;
           a.out-i386-linux)
                 echo "${UNAME_MACHINE}-pc-linux-gnuaout"
-                exit 0 ;;
+                exit ;;
           coff-i386)
                 echo "${UNAME_MACHINE}-pc-linux-gnucoff"
-                exit 0 ;;
+                exit ;;
           "")
                 # Either a pre-BFD a.out linker (linux-gnuoldld) or
                 # one that does not give us useful --help.
                 echo "${UNAME_MACHINE}-pc-linux-gnuoldld"
-                exit 0 ;;
+                exit ;;
         esac
         # Determine whether the default compiler is a.out or elf
         eval $set_cc_for_build
@@ -982,15 +975,18 @@ EOF
         #endif
 EOF
         eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^LIBC=`
-        test x"${LIBC}" != x && echo "${UNAME_MACHINE}-pc-linux-${LIBC}" && exit 0
-        test x"${TENTATIVE}" != x && echo "${TENTATIVE}" && exit 0
+        test x"${LIBC}" != x && {
+                echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
+                exit
+        }
+        test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; }
         ;;
     i*86:DYNIX/ptx:4*:*)
         # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
         # earlier versions are messed up and put the nodename in both
         # sysname and nodename.
         echo i386-sequent-sysv4
-        exit 0 ;;
+        exit ;;
     i*86:UNIX_SV:4.2MP:2.*)
         # Unixware is an offshoot of SVR4, but it has its own version
         # number series starting with 2...
@@ -998,27 +994,27 @@ EOF
         # I just have to hope.  -- rms.
         # Use sysv4.2uw... so that sysv4* matches it.
         echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
-        exit 0 ;;
+        exit ;;
     i*86:OS/2:*:*)
         # If we were able to find `uname', then EMX Unix compatibility
         # is probably installed.
         echo ${UNAME_MACHINE}-pc-os2-emx
-        exit 0 ;;
+        exit ;;
     i*86:XTS-300:*:STOP)
         echo ${UNAME_MACHINE}-unknown-stop
-        exit 0 ;;
+        exit ;;
     i*86:atheos:*:*)
         echo ${UNAME_MACHINE}-unknown-atheos
-        exit 0 ;;
-        i*86:syllable:*:*)
+        exit ;;
+    i*86:syllable:*:*)
         echo ${UNAME_MACHINE}-pc-syllable
-        exit 0 ;;
+        exit ;;
     i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*)
         echo i386-unknown-lynxos${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     i*86:*DOS:*:*)
         echo ${UNAME_MACHINE}-pc-msdosdjgpp
-        exit 0 ;;
+        exit ;;
     i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
         UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
         if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
@@ -1026,15 +1022,16 @@ EOF
         else
                 echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
         fi
-        exit 0 ;;
-    i*86:*:5:[78]*)
+        exit ;;
+    i*86:*:5:[678]*)
+        # UnixWare 7.x, OpenUNIX and OpenServer 6.
         case `/bin/uname -X | grep "^Machine"` in
             *486*)           UNAME_MACHINE=i486 ;;
             *Pentium)        UNAME_MACHINE=i586 ;;
             *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
         esac
         echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
-        exit 0 ;;
+        exit ;;
     i*86:*:3.2:*)
         if test -f /usr/options/cb.name; then
                 UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
@@ -1052,73 +1049,73 @@ EOF
         else
                 echo ${UNAME_MACHINE}-pc-sysv32
         fi
-        exit 0 ;;
+        exit ;;
     pc:*:*:*)
         # Left here for compatibility:
         # uname -m prints for DJGPP always 'pc', but it prints nothing about
         # the processor, so we play safe by assuming i386.
         echo i386-pc-msdosdjgpp
-        exit 0 ;;
+        exit ;;
     Intel:Mach:3*:*)
         echo i386-pc-mach3
-        exit 0 ;;
+        exit ;;
     paragon:*:*:*)
         echo i860-intel-osf1
-        exit 0 ;;
+        exit ;;
     i860:*:4.*:*) # i860-SVR4
         if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
           echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
         else # Add other i860-SVR4 vendors below as they are discovered.
           echo i860-unknown-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
         fi
-        exit 0 ;;
+        exit ;;
     mini*:CTIX:SYS*5:*)
         # "miniframe"
         echo m68010-convergent-sysv
-        exit 0 ;;
+        exit ;;
     mc68k:UNIX:SYSTEM5:3.51m)
         echo m68k-convergent-sysv
-        exit 0 ;;
+        exit ;;
     M680?0:D-NIX:5.3:*)
         echo m68k-diab-dnix
-        exit 0 ;;
+        exit ;;
     M68*:*:R3V[5678]*:*)
-        test -r /sysV68 && echo 'm68k-motorola-sysv' && exit 0 ;;
+        test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
     3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
         OS_REL=''
         test -r /etc/.relid \
         && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
         /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-          && echo i486-ncr-sysv4.3${OS_REL} && exit 0
+          && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
         /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
-          && echo i586-ncr-sysv4.3${OS_REL} && exit 0 ;;
+          && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
     3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
         /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-          && echo i486-ncr-sysv4 && exit 0 ;;
+          && { echo i486-ncr-sysv4; exit; } ;;
     m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
         echo m68k-unknown-lynxos${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     mc68030:UNIX_System_V:4.*:*)
         echo m68k-atari-sysv4
-        exit 0 ;;
+        exit ;;
     TSUNAMI:LynxOS:2.*:*)
         echo sparc-unknown-lynxos${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     rs6000:LynxOS:2.*:*)
         echo rs6000-unknown-lynxos${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*)
         echo powerpc-unknown-lynxos${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     SM[BE]S:UNIX_SV:*:*)
         echo mips-dde-sysv${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     RM*:ReliantUNIX-*:*:*)
         echo mips-sni-sysv4
-        exit 0 ;;
+        exit ;;
     RM*:SINIX-*:*:*)
         echo mips-sni-sysv4
-        exit 0 ;;
+        exit ;;
     *:SINIX-*:*:*)
         if uname -p 2>/dev/null >/dev/null ; then
                 UNAME_MACHINE=`(uname -p) 2>/dev/null`
@@ -1126,65 +1123,65 @@ EOF
         else
                 echo ns32k-sni-sysv
         fi
-        exit 0 ;;
+        exit ;;
     PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
                       # says <Richard.M.Bartel@ccMail.Census.GOV>
         echo i586-unisys-sysv4
-        exit 0 ;;
+        exit ;;
     *:UNIX_System_V:4*:FTX*)
         # From Gerald Hewes <hewes@openmarket.com>.
         # How about differentiating between stratus architectures? -djm
         echo hppa1.1-stratus-sysv4
-        exit 0 ;;
+        exit ;;
     *:*:*:FTX*)
         # From seanf@swdc.stratus.com.
         echo i860-stratus-sysv4
-        exit 0 ;;
+        exit ;;
     i*86:VOS:*:*)
         # From Paul.Green@stratus.com.
         echo ${UNAME_MACHINE}-stratus-vos
-        exit 0 ;;
+        exit ;;
     *:VOS:*:*)
         # From Paul.Green@stratus.com.
         echo hppa1.1-stratus-vos
-        exit 0 ;;
+        exit ;;
     mc68*:A/UX:*:*)
         echo m68k-apple-aux${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     news*:NEWS-OS:6*:*)
         echo mips-sony-newsos6
-        exit 0 ;;
+        exit ;;
     R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
         if [ -d /usr/nec ]; then
                 echo mips-nec-sysv${UNAME_RELEASE}
         else
                 echo mips-unknown-sysv${UNAME_RELEASE}
         fi
-        exit 0 ;;
+        exit ;;
     BeBox:BeOS:*:*)     # BeOS running on hardware made by Be, PPC only.
         echo powerpc-be-beos
-        exit 0 ;;
+        exit ;;
     BeMac:BeOS:*:*)     # BeOS running on Mac or Mac clone, PPC only.
         echo powerpc-apple-beos
-        exit 0 ;;
+        exit ;;
     BePC:BeOS:*:*)      # BeOS running on Intel PC compatible.
         echo i586-pc-beos
-        exit 0 ;;
+        exit ;;
     SX-4:SUPER-UX:*:*)
         echo sx4-nec-superux${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     SX-5:SUPER-UX:*:*)
         echo sx5-nec-superux${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     SX-6:SUPER-UX:*:*)
         echo sx6-nec-superux${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     Power*:Rhapsody:*:*)
         echo powerpc-apple-rhapsody${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:Rhapsody:*:*)
         echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:Darwin:*:*)
         UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
         case $UNAME_PROCESSOR in
@@ -1192,7 +1189,7 @@ EOF
             unknown) UNAME_PROCESSOR=powerpc ;;
         esac
         echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:procnto*:*:* | *:QNX:[0123456789]*:*)
         UNAME_PROCESSOR=`uname -p`
         if test "$UNAME_PROCESSOR" = "x86"; then
@@ -1200,25 +1197,25 @@ EOF
                 UNAME_MACHINE=pc
         fi
         echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:QNX:*:4*)
         echo i386-pc-qnx
-        exit 0 ;;
+        exit ;;
     NSE-?:NONSTOP_KERNEL:*:*)
         echo nse-tandem-nsk${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     NSR-?:NONSTOP_KERNEL:*:*)
         echo nsr-tandem-nsk${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:NonStop-UX:*:*)
         echo mips-compaq-nonstopux
-        exit 0 ;;
+        exit ;;
     BS2000:POSIX*:*:*)
         echo bs2000-siemens-sysv
-        exit 0 ;;
+        exit ;;
     DS/*:UNIX_System_V:*:*)
         echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:Plan9:*:*)
         # "uname -m" is not consistent, so use $cputype instead. 386
         # is converted to i386 for consistency with other x86
@@ -1229,41 +1226,44 @@ EOF
             UNAME_MACHINE="$cputype"
         fi
         echo ${UNAME_MACHINE}-unknown-plan9
-        exit 0 ;;
+        exit ;;
     *:TOPS-10:*:*)
         echo pdp10-unknown-tops10
-        exit 0 ;;
+        exit ;;
     *:TENEX:*:*)
         echo pdp10-unknown-tenex
-        exit 0 ;;
+        exit ;;
     KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
         echo pdp10-dec-tops20
-        exit 0 ;;
+        exit ;;
     XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
         echo pdp10-xkl-tops20
-        exit 0 ;;
+        exit ;;
     *:TOPS-20:*:*)
         echo pdp10-unknown-tops20
-        exit 0 ;;
+        exit ;;
     *:ITS:*:*)
         echo pdp10-unknown-its
-        exit 0 ;;
+        exit ;;
     SEI:*:*:SEIUX)
         echo mips-sei-seiux${UNAME_RELEASE}
-        exit 0 ;;
+        exit ;;
     *:DragonFly:*:*)
         echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
-        exit 0 ;;
+        exit ;;
     *:*VMS:*:*)
         UNAME_MACHINE=`(uname -p) 2>/dev/null`
         case "${UNAME_MACHINE}" in
-            A*) echo alpha-dec-vms && exit 0 ;;
-            I*) echo ia64-dec-vms && exit 0 ;;
-            V*) echo vax-dec-vms && exit 0 ;;
+            A*) echo alpha-dec-vms ; exit ;;
+            I*) echo ia64-dec-vms ; exit ;;
+            V*) echo vax-dec-vms ; exit ;;
         esac ;;
     *:XENIX:*:SysV)
         echo i386-pc-xenix
-        exit 0 ;;
+        exit ;;
+    i*86:skyos:*:*)
+        echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//'
+        exit ;;
 esac
 
 #echo '(No uname command or uname output not recognized.)' 1>&2
@@ -1295,7 +1295,7 @@ main ()
 #endif
 
 #if defined (__arm) && defined (__acorn) && defined (__unix)
-  printf ("arm-acorn-riscix"); exit (0);
+  printf ("arm-acorn-riscix\n"); exit (0);
 #endif
 
 #if defined (hp300) && !defined (hpux)
@@ -1384,11 +1384,12 @@ main ()
 }
 EOF
 
-$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && $dummy && exit 0
+$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` &&
+        { echo "$SYSTEM_NAME"; exit; }
 
 # Apollos put the system type in the environment.
 
-test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit 0; }
+test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; }
 
 # Convex versions that predate uname can use getsysinfo(1)
 
@@ -1397,22 +1398,22 @@ then
     case `getsysinfo -f cpu_type` in
     c1*)
         echo c1-convex-bsd
-        exit 0 ;;
+        exit ;;
     c2*)
         if getsysinfo -f scalar_acc
         then echo c32-convex-bsd
         else echo c2-convex-bsd
         fi
-        exit 0 ;;
+        exit ;;
     c34*)
         echo c34-convex-bsd
-        exit 0 ;;
+        exit ;;
     c38*)
         echo c38-convex-bsd
-        exit 0 ;;
+        exit ;;
     c4*)
         echo c4-convex-bsd
-        exit 0 ;;
+        exit ;;
     esac
 fi