config.guess revision 1.4 on 13 March changed the host string for UnixWare

systems; adjusted all tests that used it to use the new string.

configure.in

@@ -18,7 +18,7 @@ AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
 esyscmd([sed "s/^/# /" COPYRIGHT])dnl
 AC_DIVERT_POP()dnl
 
-AC_REVISION($Revision: 1.261 $)
+AC_REVISION($Revision: 1.262 $)
 
 AC_INIT(lib/dns/name.c)
 AC_PREREQ(2.13)
@@ -424,7 +424,8 @@ case $host in
 	use_threads=true ;;
 *-sgi-irix*)
 	use_threads=true ;;
-*-UnixWare*)
+*-sco-sysv*uw*)
+        # UnixWare
 	use_threads=false ;;
 *-netbsd*)
 	# Socket I/O optimizations introduced in 9.2 expose a
@@ -584,7 +585,7 @@ then
 		#
 		# UnixWare does things its own way.
 		#
-		*-UnixWare*)
+		*-sco-sysv*uw*)
 			AC_DEFINE(HAVE_UNIXWARE_SIGWAIT)
 			;;
 	esac
@@ -625,7 +626,7 @@ then
 		*-ibm-aix*)
 			STD_CDEFINES="$STD_CDEFINES -D_THREAD_SAFE"
 			;;
-		*-UnixWare*)
+		*-sco-sysv*uw*)
 			CC="$CC -Kthread"
 			CCOPT="$CCOPT -Kthread"
 			;;
@@ -715,7 +716,8 @@ else
 	*-solaris*)
 		MKDEPCFLAGS="-xM"
 		;;
-	*-UnixWare*)
+	*-sco-sysv*uw*)
+                # UnixWare
 		CC="$CC -w"
 		;;
 	esac
@@ -926,7 +928,8 @@ changequote([, ])
 # This is similar to the netinet6/in6.h issue.
 #
 case "$host" in
-*-UnixWare*)
+*-sco-sysv*uw*)
+        # UnixWare
 	ISC_PLATFORM_NEEDNETINETIN6H="#define ISC_PLATFORM_NEEDNETINETIN6H 1"
 	LWRES_PLATFORM_NEEDNETINETIN6H="#define LWRES_PLATFORM_NEEDNETINETIN6H 1"
         ISC_PLATFORM_FIXIN6ISADDR="#define ISC_PLATFORM_FIXIN6ISADDR 1"