diff --git a/Makefile.in b/Makefile.in
index 77d1af2c4f..ed1eff18c5 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -50,4 +50,4 @@ kitclean: distclean
 
 tags:
 	rm -f TAGS
-	find lib bin -name "*.[ch]" -print | etags -
+	find lib bin -name "*.[ch]" -print | @ETAGS@ -
diff --git a/configure b/configure
index 6019eee6dc..45e4f87273 100755
--- a/configure
+++ b/configure
@@ -857,6 +857,48 @@ ARFLAGS="cruv"
 
 
 
+for ac_prog in etags emacs-etags
+do
+# Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:866: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_path_ETAGS'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  case "$ETAGS" in
+  /*)
+  ac_cv_path_ETAGS="$ETAGS" # Let the user override the test with a path.
+  ;;
+  ?:/*)			 
+  ac_cv_path_ETAGS="$ETAGS" # Let the user override the test with a dos path.
+  ;;
+  *)
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do 
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_path_ETAGS="$ac_dir/$ac_word"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  ;;
+esac
+fi
+ETAGS="$ac_cv_path_ETAGS"
+if test -n "$ETAGS"; then
+  echo "$ac_t""$ETAGS" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+test -n "$ETAGS" && break
+done
+
+
+
 #
 # Special processing of paths depending on whether --prefix,
 # --sysconfdir or --localstatedir arguments were given.  What's
@@ -973,7 +1015,7 @@ case "$host" in
   *-netbsd*)
 	CC="gcc"
 	echo $ac_n "checking which thread library to use""... $ac_c" 1>&6
-echo "configure:977: checking which thread library to use" >&5
+echo "configure:1019: checking which thread library to use" >&5
 
 	# Check whether --with-mit-pthreads or --without-mit-pthreads was given.
 if test "${with_mit_pthreads+set}" = set; then
@@ -1045,7 +1087,7 @@ esac
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1049: checking for $ac_word" >&5
+echo "configure:1091: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1075,7 +1117,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1079: checking for $ac_word" >&5
+echo "configure:1121: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1126,7 +1168,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1130: checking for $ac_word" >&5
+echo "configure:1172: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1158,7 +1200,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1162: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1204: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1169,12 +1211,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1173 "configure"
+#line 1215 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1178: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1220: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -1200,12 +1242,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1204: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1246: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1209: checking whether we are using GNU C" >&5
+echo "configure:1251: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1214,7 +1256,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1218: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1260: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1233,7 +1275,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1237: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1279: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1269,7 +1311,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1273: checking for $ac_word" >&5
+echo "configure:1315: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1301,7 +1343,7 @@ test -n "$YACC" || YACC="yacc"
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1305: checking how to run the C preprocessor" >&5
+echo "configure:1347: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1316,13 +1358,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1320 "configure"
+#line 1362 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1326: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1368: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1333,13 +1375,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1337 "configure"
+#line 1379 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1343: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1385: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1350,13 +1392,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1354 "configure"
+#line 1396 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1360: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1402: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1381,12 +1423,12 @@ fi
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1385: checking for ANSI C header files" >&5
+echo "configure:1427: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1390 "configure"
+#line 1432 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1394,7 +1436,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1398: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1440: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1411,7 +1453,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1415 "configure"
+#line 1457 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1429,7 +1471,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1433 "configure"
+#line 1475 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1450,7 +1492,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1454 "configure"
+#line 1496 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1461,7 +1503,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1465: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1507: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1488,17 +1530,17 @@ for ac_hdr in fcntl.h sys/time.h unistd.h sys/sockio.h netinet6/in6.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1492: checking for $ac_hdr" >&5
+echo "configure:1534: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1497 "configure"
+#line 1539 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1502: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1544: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1542,12 +1584,12 @@ esac
 
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:1546: checking for working const" >&5
+echo "configure:1588: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1551 "configure"
+#line 1593 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -1596,7 +1638,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:1600: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1642: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -1617,21 +1659,21 @@ EOF
 fi
 
 echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:1621: checking for inline" >&5
+echo "configure:1663: checking for inline" >&5
 if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat > conftest.$ac_ext <<EOF
-#line 1628 "configure"
+#line 1670 "configure"
 #include "confdefs.h"
 
 int main() {
 } $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:1635: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1677: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_inline=$ac_kw; break
 else
@@ -1657,12 +1699,12 @@ EOF
 esac
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:1661: checking for size_t" >&5
+echo "configure:1703: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1666 "configure"
+#line 1708 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1690,12 +1732,12 @@ EOF
 fi
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:1694: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:1736: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1699 "configure"
+#line 1741 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -1704,7 +1746,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:1708: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1750: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -1726,7 +1768,7 @@ fi
 
 
 echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:1730: checking for pthread_create in -lpthread" >&5
+echo "configure:1772: checking for pthread_create in -lpthread" >&5
 ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1734,7 +1776,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1738 "configure"
+#line 1780 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1745,7 +1787,7 @@ int main() {
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:1749: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1791: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1771,7 +1813,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for __pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:1775: checking for __pthread_create in -lpthread" >&5
+echo "configure:1817: checking for __pthread_create in -lpthread" >&5
 ac_lib_var=`echo pthread'_'__pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1779,7 +1821,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1783 "configure"
+#line 1825 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1790,7 +1832,7 @@ int main() {
 __pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:1794: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1836: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1818,7 +1860,7 @@ else
 fi
 
              echo $ac_n "checking for __pthread_create_system in -lpthread""... $ac_c" 1>&6
-echo "configure:1822: checking for __pthread_create_system in -lpthread" >&5
+echo "configure:1864: checking for __pthread_create_system in -lpthread" >&5
 ac_lib_var=`echo pthread'_'__pthread_create_system | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1826,7 +1868,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1830 "configure"
+#line 1872 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1837,7 +1879,7 @@ int main() {
 __pthread_create_system()
 ; return 0; }
 EOF
-if { (eval echo configure:1841: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1883: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1872,7 +1914,7 @@ fi
 # We'd like to use sigwait() too
 #
 echo $ac_n "checking for sigwait in -lc""... $ac_c" 1>&6
-echo "configure:1876: checking for sigwait in -lc" >&5
+echo "configure:1918: checking for sigwait in -lc" >&5
 ac_lib_var=`echo c'_'sigwait | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1880,7 +1922,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1884 "configure"
+#line 1926 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1891,7 +1933,7 @@ int main() {
 sigwait()
 ; return 0; }
 EOF
-if { (eval echo configure:1895: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1937: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1913,7 +1955,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for sigwait in -lpthread""... $ac_c" 1>&6
-echo "configure:1917: checking for sigwait in -lpthread" >&5
+echo "configure:1959: checking for sigwait in -lpthread" >&5
 ac_lib_var=`echo pthread'_'sigwait | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1921,7 +1963,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1925 "configure"
+#line 1967 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1932,7 +1974,7 @@ int main() {
 sigwait()
 ; return 0; }
 EOF
-if { (eval echo configure:1936: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1978: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1954,7 +1996,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for _Psigwait in -lpthread""... $ac_c" 1>&6
-echo "configure:1958: checking for _Psigwait in -lpthread" >&5
+echo "configure:2000: checking for _Psigwait in -lpthread" >&5
 ac_lib_var=`echo pthread'_'_Psigwait | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1962,7 +2004,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1966 "configure"
+#line 2008 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1973,7 +2015,7 @@ int main() {
 _Psigwait()
 ; return 0; }
 EOF
-if { (eval echo configure:1977: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2019: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2011,7 +2053,7 @@ case "$host" in
         #
 	*-freebsd*)
 		echo $ac_n "checking for sigwait in -lc_r""... $ac_c" 1>&6
-echo "configure:2015: checking for sigwait in -lc_r" >&5
+echo "configure:2057: checking for sigwait in -lc_r" >&5
 ac_lib_var=`echo c_r'_'sigwait | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2019,7 +2061,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lc_r  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2023 "configure"
+#line 2065 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2030,7 +2072,7 @@ int main() {
 sigwait()
 ; return 0; }
 EOF
-if { (eval echo configure:2034: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2076: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2088,12 +2130,12 @@ esac
 # NLS
 #
 echo $ac_n "checking for catgets""... $ac_c" 1>&6
-echo "configure:2092: checking for catgets" >&5
+echo "configure:2134: checking for catgets" >&5
 if eval "test \"`echo '$''{'ac_cv_func_catgets'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2097 "configure"
+#line 2139 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char catgets(); below.  */
@@ -2116,7 +2158,7 @@ catgets();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2120: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2162: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_catgets=yes"
 else
@@ -2154,7 +2196,7 @@ case "$host" in
 		;;
 	*)
 		echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
-echo "configure:2158: checking for socket in -lsocket" >&5
+echo "configure:2200: checking for socket in -lsocket" >&5
 ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2162,7 +2204,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2166 "configure"
+#line 2208 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2173,7 +2215,7 @@ int main() {
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:2177: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2219: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2201,7 +2243,7 @@ else
 fi
 
 		echo $ac_n "checking for inet_ntoa in -lnsl""... $ac_c" 1>&6
-echo "configure:2205: checking for inet_ntoa in -lnsl" >&5
+echo "configure:2247: checking for inet_ntoa in -lnsl" >&5
 ac_lib_var=`echo nsl'_'inet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2209,7 +2251,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2213 "configure"
+#line 2255 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2220,7 +2262,7 @@ int main() {
 inet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:2224: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2266: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2304,9 +2346,9 @@ esac
 # Look for a 4.4BSD-style sa_len member in struct sockaddr.
 #
 echo $ac_n "checking for sa_len in struct sockaddr""... $ac_c" 1>&6
-echo "configure:2308: checking for sa_len in struct sockaddr" >&5
+echo "configure:2350: checking for sa_len in struct sockaddr" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2310 "configure"
+#line 2352 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -2315,7 +2357,7 @@ int main() {
 struct sockaddr sa; sa.sa_len = 0; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:2319: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2361: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_PLATFORM_HAVESALEN="#define ISC_PLATFORM_HAVESALEN 1"
@@ -2336,9 +2378,9 @@ rm -f conftest*
 # Look for a 4.4BSD or 4.3BSD struct msghdr
 #
 echo $ac_n "checking for struct msghdr flavor""... $ac_c" 1>&6
-echo "configure:2340: checking for struct msghdr flavor" >&5
+echo "configure:2382: checking for struct msghdr flavor" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2342 "configure"
+#line 2384 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -2347,7 +2389,7 @@ int main() {
 struct msghdr msg; msg.msg_flags = 0; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:2351: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2393: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""4.4BSD" 1>&6
 	ISC_PLATFORM_MSGHDRFLAVOR="#define ISC_NET_BSD44MSGHDR 1"
@@ -2365,9 +2407,9 @@ rm -f conftest*
 # Look for in_port_t.
 #
 echo $ac_n "checking for type in_port_t""... $ac_c" 1>&6
-echo "configure:2369: checking for type in_port_t" >&5
+echo "configure:2411: checking for type in_port_t" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2371 "configure"
+#line 2413 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -2376,7 +2418,7 @@ int main() {
 in_port_t port = 25; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:2380: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2422: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_PLATFORM_NEEDPORTT="#undef ISC_PLATFORM_NEEDPORTT"
@@ -2394,9 +2436,9 @@ rm -f conftest*
 # Check for addrinfo
 #
 echo $ac_n "checking for struct addrinfo""... $ac_c" 1>&6
-echo "configure:2398: checking for struct addrinfo" >&5
+echo "configure:2440: checking for struct addrinfo" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2400 "configure"
+#line 2442 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -2404,7 +2446,7 @@ int main() {
 struct addrinfo a; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:2408: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2450: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_NEEDADDRINFO="#undef ISC_LWRES_NEEDADDRINFO"
@@ -2419,9 +2461,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for int sethostent""... $ac_c" 1>&6
-echo "configure:2423: checking for int sethostent" >&5
+echo "configure:2465: checking for int sethostent" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2425 "configure"
+#line 2467 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -2429,7 +2471,7 @@ int main() {
 int i = sethostent(0); return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:2433: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2475: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_SETHOSTENTINT="#define ISC_LWRES_SETHOSTENTINT 1"
@@ -2444,9 +2486,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for int endhostent""... $ac_c" 1>&6
-echo "configure:2448: checking for int endhostent" >&5
+echo "configure:2490: checking for int endhostent" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2450 "configure"
+#line 2492 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -2454,7 +2496,7 @@ int main() {
 int i = endhostent(); return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:2458: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2500: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_ENDHOSTENTINT="#define ISC_LWRES_ENDHOSTENTINT 1"
@@ -2469,9 +2511,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for getnetbyaddr(in_addr_t, ...)""... $ac_c" 1>&6
-echo "configure:2473: checking for getnetbyaddr(in_addr_t, ...)" >&5
+echo "configure:2515: checking for getnetbyaddr(in_addr_t, ...)" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2475 "configure"
+#line 2517 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -2480,7 +2522,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2484: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2526: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_GETNETBYADDRINADDR="#define ISC_LWRES_GETNETBYADDRINADDR 1"
@@ -2495,9 +2537,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for int setnetent""... $ac_c" 1>&6
-echo "configure:2499: checking for int setnetent" >&5
+echo "configure:2541: checking for int setnetent" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2501 "configure"
+#line 2543 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -2505,7 +2547,7 @@ int main() {
 int i = setnetent(0); return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:2509: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2551: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_SETNETENTINT="#define ISC_LWRES_SETNETENTINT 1"
@@ -2520,9 +2562,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for int endnetent""... $ac_c" 1>&6
-echo "configure:2524: checking for int endnetent" >&5
+echo "configure:2566: checking for int endnetent" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2526 "configure"
+#line 2568 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -2530,7 +2572,7 @@ int main() {
 int i = endnetent(); return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:2534: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2576: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_ENDNETENTINT="#define ISC_LWRES_ENDNETENTINT 1"
@@ -2545,9 +2587,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for gethostbyadd(const void *, size_t, ...)""... $ac_c" 1>&6
-echo "configure:2549: checking for gethostbyadd(const void *, size_t, ...)" >&5
+echo "configure:2591: checking for gethostbyadd(const void *, size_t, ...)" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2551 "configure"
+#line 2593 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -2556,7 +2598,7 @@ int main() {
 return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:2560: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2602: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_GETHOSTBYADDRVOID="#define ISC_LWRES_GETHOSTBYADDRVOID 1"
@@ -2571,9 +2613,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for h_errno in netdb.h""... $ac_c" 1>&6
-echo "configure:2575: checking for h_errno in netdb.h" >&5
+echo "configure:2617: checking for h_errno in netdb.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2577 "configure"
+#line 2619 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -2581,7 +2623,7 @@ int main() {
 h_errno = 1; return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:2585: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2627: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_NEEDHERRNO="#undef ISC_LWRES_NEEDHERRNO"
@@ -2596,12 +2638,12 @@ rm -f conftest*
 
 
 echo $ac_n "checking for getipnodebyname""... $ac_c" 1>&6
-echo "configure:2600: checking for getipnodebyname" >&5
+echo "configure:2642: checking for getipnodebyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getipnodebyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2605 "configure"
+#line 2647 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getipnodebyname(); below.  */
@@ -2624,7 +2666,7 @@ getipnodebyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2628: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2670: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getipnodebyname=yes"
 else
@@ -2645,12 +2687,12 @@ ISC_LWRES_GETIPNODEPROTO="#define ISC_LWRES_GETIPNODEPROTO 1"
 fi
 
 echo $ac_n "checking for getnameinfo""... $ac_c" 1>&6
-echo "configure:2649: checking for getnameinfo" >&5
+echo "configure:2691: checking for getnameinfo" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getnameinfo'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2654 "configure"
+#line 2696 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getnameinfo(); below.  */
@@ -2673,7 +2715,7 @@ getnameinfo();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2677: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2719: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getnameinfo=yes"
 else
@@ -2694,12 +2736,12 @@ ISC_LWRES_GETNAMEINFOPROTO="#define ISC_LWRES_GETNAMEINFOPROTO 1"
 fi
 
 echo $ac_n "checking for getaddrinfo""... $ac_c" 1>&6
-echo "configure:2698: checking for getaddrinfo" >&5
+echo "configure:2740: checking for getaddrinfo" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getaddrinfo'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2703 "configure"
+#line 2745 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getaddrinfo(); below.  */
@@ -2722,7 +2764,7 @@ getaddrinfo();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2726: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2768: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getaddrinfo=yes"
 else
@@ -2750,9 +2792,9 @@ fi
 # Look for a sysctl call to get the list of network interfaces.
 #
 echo $ac_n "checking for interface list sysctl""... $ac_c" 1>&6
-echo "configure:2754: checking for interface list sysctl" >&5
+echo "configure:2796: checking for interface list sysctl" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2756 "configure"
+#line 2798 "configure"
 #include "confdefs.h"
 
 #include <sys/param.h>
@@ -2862,7 +2904,7 @@ else
 fi
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:2866: checking build system type" >&5
+echo "configure:2908: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -2891,7 +2933,7 @@ ac_prog=ld
 if test "$ac_cv_prog_gcc" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   echo $ac_n "checking for ld used by GCC""... $ac_c" 1>&6
-echo "configure:2895: checking for ld used by GCC" >&5
+echo "configure:2937: checking for ld used by GCC" >&5
   ac_prog=`($CC -print-prog-name=ld) 2>&5`
   case "$ac_prog" in
     # Accept absolute paths.
@@ -2915,10 +2957,10 @@ echo "configure:2895: checking for ld used by GCC" >&5
   esac
 elif test "$with_gnu_ld" = yes; then
   echo $ac_n "checking for GNU ld""... $ac_c" 1>&6
-echo "configure:2919: checking for GNU ld" >&5
+echo "configure:2961: checking for GNU ld" >&5
 else
   echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
-echo "configure:2922: checking for non-GNU ld" >&5
+echo "configure:2964: checking for non-GNU ld" >&5
 fi
 if eval "test \"`echo '$''{'ac_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2954,7 +2996,7 @@ fi
 test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
 
 echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
-echo "configure:2958: checking if the linker ($LD) is GNU ld" >&5
+echo "configure:3000: checking if the linker ($LD) is GNU ld" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gnu_ld'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2970,7 +3012,7 @@ echo "$ac_t""$ac_cv_prog_gnu_ld" 1>&6
 
 
 echo $ac_n "checking for BSD-compatible nm""... $ac_c" 1>&6
-echo "configure:2974: checking for BSD-compatible nm" >&5
+echo "configure:3016: checking for BSD-compatible nm" >&5
 if eval "test \"`echo '$''{'ac_cv_path_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3007,7 +3049,7 @@ echo "$ac_t""$NM" 1>&6
 
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:3011: checking whether ln -s works" >&5
+echo "configure:3053: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3051,8 +3093,8 @@ test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
 case "$host" in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 3055 "configure"' > conftest.$ac_ext
-  if { (eval echo configure:3056: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  echo '#line 3097 "configure"' > conftest.$ac_ext
+  if { (eval echo configure:3098: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
     case "`/usr/bin/file conftest.o`" in
     *32-bit*)
       LD="${LD-ld} -32"
@@ -3073,19 +3115,19 @@ case "$host" in
   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
   echo $ac_n "checking whether the C compiler needs -belf""... $ac_c" 1>&6
-echo "configure:3077: checking whether the C compiler needs -belf" >&5
+echo "configure:3119: checking whether the C compiler needs -belf" >&5
 if eval "test \"`echo '$''{'lt_cv_cc_needs_belf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3082 "configure"
+#line 3124 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:3089: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3131: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   lt_cv_cc_needs_belf=yes
 else
@@ -3222,9 +3264,9 @@ fi
 case "$enable_ipv6" in
 	yes|''|autodetect)
 		echo $ac_n "checking for IPv6 structures""... $ac_c" 1>&6
-echo "configure:3226: checking for IPv6 structures" >&5
+echo "configure:3268: checking for IPv6 structures" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 3228 "configure"
+#line 3270 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -3234,7 +3276,7 @@ int main() {
 struct sockaddr_in6 sin6; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:3238: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3280: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 			 found_ipv6=yes
@@ -3278,7 +3320,7 @@ esac
 # IPv6 support provided via Kame
 #
 echo $ac_n "checking for Kame IPv6 support""... $ac_c" 1>&6
-echo "configure:3282: checking for Kame IPv6 support" >&5
+echo "configure:3324: checking for Kame IPv6 support" >&5
 # Check whether --with-kame or --without-kame was given.
 if test "${with_kame+set}" = set; then
   withval="$with_kame"
@@ -3325,12 +3367,12 @@ esac
 # the files.
 #
 echo $ac_n "checking for inet_ntop""... $ac_c" 1>&6
-echo "configure:3329: checking for inet_ntop" >&5
+echo "configure:3371: checking for inet_ntop" >&5
 if eval "test \"`echo '$''{'ac_cv_func_inet_ntop'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3334 "configure"
+#line 3376 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char inet_ntop(); below.  */
@@ -3353,7 +3395,7 @@ inet_ntop();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3357: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3399: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_inet_ntop=yes"
 else
@@ -3377,12 +3419,12 @@ ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_ntop.$O"
 fi
 
 echo $ac_n "checking for inet_pton""... $ac_c" 1>&6
-echo "configure:3381: checking for inet_pton" >&5
+echo "configure:3423: checking for inet_pton" >&5
 if eval "test \"`echo '$''{'ac_cv_func_inet_pton'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3386 "configure"
+#line 3428 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char inet_pton(); below.  */
@@ -3405,7 +3447,7 @@ inet_pton();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3409: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3451: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_inet_pton=yes"
 else
@@ -3429,12 +3471,12 @@ ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_pton.$O"
 fi
 
 echo $ac_n "checking for inet_aton""... $ac_c" 1>&6
-echo "configure:3433: checking for inet_aton" >&5
+echo "configure:3475: checking for inet_aton" >&5
 if eval "test \"`echo '$''{'ac_cv_func_inet_aton'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3438 "configure"
+#line 3480 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char inet_aton(); below.  */
@@ -3457,7 +3499,7 @@ inet_aton();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3461: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3503: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_inet_aton=yes"
 else
@@ -3481,12 +3523,12 @@ ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_aton.$O"
 fi
 
 echo $ac_n "checking for strsep""... $ac_c" 1>&6
-echo "configure:3485: checking for strsep" >&5
+echo "configure:3527: checking for strsep" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strsep'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3490 "configure"
+#line 3532 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strsep(); below.  */
@@ -3509,7 +3551,7 @@ strsep();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3513: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3555: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strsep=yes"
 else
@@ -3532,12 +3574,12 @@ ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS strsep.$O"
 fi
 
 echo $ac_n "checking for vsnprintf""... $ac_c" 1>&6
-echo "configure:3536: checking for vsnprintf" >&5
+echo "configure:3578: checking for vsnprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vsnprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3541 "configure"
+#line 3583 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vsnprintf(); below.  */
@@ -3560,7 +3602,7 @@ vsnprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3564: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3606: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_vsnprintf=yes"
 else
@@ -3590,17 +3632,17 @@ fi
 
 
 echo $ac_n "checking for sizeof(long long int) == sizeof(long int)""... $ac_c" 1>&6
-echo "configure:3594: checking for sizeof(long long int) == sizeof(long int)" >&5
+echo "configure:3636: checking for sizeof(long long int) == sizeof(long int)" >&5
 if test "$cross_compiling" = yes; then
   echo "$ac_t""default yes" 1>&6
 	ISC_PLATFORM_LONGLONGEQUALLONG="#define ISC_PLATFORM_LONGLONGEQUALLONG 1"
 else
   cat > conftest.$ac_ext <<EOF
-#line 3600 "configure"
+#line 3642 "configure"
 #include "confdefs.h"
 main() { exit(!(sizeof(long long int) == sizeof(long int))); }
 EOF
-if { (eval echo configure:3604: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3646: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   echo "$ac_t""yes" 1>&6
 	ISC_PLATFORM_LONGLONGEQUALLONG="#define ISC_PLATFORM_LONGLONGEQUALLONG 1"
@@ -3620,12 +3662,12 @@ fi
 # Security Stuff
 #
 echo $ac_n "checking for chroot""... $ac_c" 1>&6
-echo "configure:3624: checking for chroot" >&5
+echo "configure:3666: checking for chroot" >&5
 if eval "test \"`echo '$''{'ac_cv_func_chroot'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3629 "configure"
+#line 3671 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char chroot(); below.  */
@@ -3648,7 +3690,7 @@ chroot();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3652: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3694: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_chroot=yes"
 else
@@ -3674,17 +3716,17 @@ for ac_hdr in linux/capability.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3678: checking for $ac_hdr" >&5
+echo "configure:3720: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3683 "configure"
+#line 3725 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3688: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3730: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3958,6 +4000,7 @@ s%@STD_CDEFINES@%$STD_CDEFINES%g
 s%@STD_CWARNINGS@%$STD_CWARNINGS%g
 s%@AR@%$AR%g
 s%@ARFLAGS@%$ARFLAGS%g
+s%@ETAGS@%$ETAGS%g
 s%@CC@%$CC%g
 s%@YACC@%$YACC%g
 s%@CPP@%$CPP%g
diff --git a/configure.in b/configure.in
index 04d6e16fae..192fb86b45 100644
--- a/configure.in
+++ b/configure.in
@@ -13,7 +13,7 @@
 # ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 # SOFTWARE.
 
-AC_REVISION($Revision: 1.104 $)
+AC_REVISION($Revision: 1.105 $)
 
 AC_PREREQ(2.13)
 
@@ -38,6 +38,9 @@ ARFLAGS="cruv"
 AC_SUBST(AR)
 AC_SUBST(ARFLAGS)
 
+AC_PATH_PROGS(ETAGS, etags emacs-etags)
+AC_SUBST(ETAGS)
+
 #
 # Special processing of paths depending on whether --prefix,
 # --sysconfdir or --localstatedir arguments were given.  What's