Drop support for discontinued DGUX

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

config.guess

@@ -396,22 +396,6 @@ EOF
     m88k:*:3*:R3*)
 	echo m88k-motorola-sysv3
 	exit ;;
-    AViiON:dgux:*:*)
-        # DG/UX returns AViiON for all architectures
-        UNAME_PROCESSOR=`/usr/bin/uname -p`
-	if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
-	then
-	    if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
-	       [ ${TARGET_BINARY_INTERFACE}x = x ]
-	    then
-		echo m88k-dg-dgux${UNAME_RELEASE}
-	    else
-		echo m88k-dg-dguxbcs${UNAME_RELEASE}
-	    fi
-	else
-	    echo i586-dg-dgux${UNAME_RELEASE}
-	fi
- 	exit ;;
     M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
 	echo m88k-dolphin-sysv3
 	exit ;;

config.sub

@@ -1141,7 +1141,7 @@ case $os in
 	# -sysv* is not here because it comes later, after sysvr4.
 	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 	      | -*vms* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
-	      | -hpux* | -unos* | -luna* | -dgux* | -solaris* | -sym* \
+	      | -hpux* | -unos* | -luna* | -solaris* | -sym* \
 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
 	      | -aos* \
 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
@@ -1380,9 +1380,6 @@ case $basic_machine in
 	*-cbm)
 		os=-amigaos
 		;;
-	*-dg)
-		os=-dgux
-		;;
 	*-dolphin)
 		os=-sysv3
 		;;
@@ -1479,9 +1476,6 @@ case $basic_machine in
 			-unos*)
 				vendor=crds
 				;;
-			-dgux*)
-				vendor=dg
-				;;
 			-luna*)
 				vendor=omron
 				;;

libtool.m4.in

@@ -2248,15 +2248,6 @@ m4_if([$1], [],[
   sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
   ;;
 
-dgux*)
-  version_type=linux
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
-  soname_spec='${libname}${release}${shared_ext}$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  ;;
-
 freebsd1*)
   dynamic_linker=no
   ;;
@@ -3593,19 +3584,6 @@ m4_if([$1], [CXX], [
 	  ;;
 	esac
 	;;
-      dgux*)
-	case $cc_basename in
-	  ec++*)
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-	    ;;
-	  ghcx*)
-	    # Green Hills C++ Compiler
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
       freebsd* | dragonfly*)
 	# FreeBSD uses GNU C++
 	;;
@@ -4634,12 +4612,6 @@ _LT_EOF
       _LT_DARWIN_LINKER_FEATURES($1)
       ;;
 
-    dgux*)
-      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-
     freebsd1*)
       _LT_TAGVAR(ld_shlibs, $1)=no
       ;;
@@ -5553,24 +5525,6 @@ if test "$_lt_caught_CXX_error" != yes; then
         _LT_DARWIN_LINKER_FEATURES($1)
 	;;
 
-      dgux*)
-        case $cc_basename in
-          ec++*)
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-          ghcx*)
-	    # Green Hills C++ Compiler
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-          *)
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-        esac
-        ;;
-
       freebsd[[12]]*)
         # C++ shared libraries reported to be fairly broken before
 	# switch to ELF