Add ares support in build system.

6 files changed, 397 insertions, 195 deletions

diff --git a/acconfig.h b/acconfig.h
index 3889569..96eb3d1 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -4,6 +4,9 @@
 /* Define to compile with Kerberos support. */
 #undef HAVE_KRB4
 
+/* Define to compile with ares support. */
+#undef HAVE_ARES
+
 /* Define to a signed 32-bit integral type. */
 #define ZEPHYR_INT32 long
 
diff --git a/aclocal.m4 b/aclocal.m4
index cc6d8e5..a389e74 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -22,8 +22,8 @@ dnl		Generates error if com_err not found.
 dnl	ATHENA_UTIL_SS
 dnl		Generates error if ss not found.
 dnl	ATHENA_REGEXP
-dnl		Sets RX_LIBS if rx library used; ensures POSIX regexp
-dnl		support.
+dnl		Sets REGEX_LIBS if rx library used; ensures POSIX
+dnl		regexp support.
 dnl	ATHENA_MOTIF
 dnl		Sets MOTIF_LIBS and defines HAVE_MOTIF if Motif used.
 dnl	ATHENA_MOTIF_REQUIRED
@@ -52,6 +52,11 @@ dnl		Sets HESIOD_LIBS and defines HAVE_HESIOD if Hesiod
 dnl		used.
 dnl	ATHENA_HESIOD_REQUIRED
 dnl		Generates error if Hesiod not found.
+dnl	ATHENA_ARES
+dnl		Sets ARES_LIBS and defines HAVE_ARES if libares
+dnl		used.
+dnl	ATHENA_ARES_REQUIRED
+dnl		Generates error if libares not found.
 dnl
 dnl All of the macros may extend CPPFLAGS and LDFLAGS to let the
 dnl compiler find the requested libraries.  Put ATHENA_UTIL_COM_ERR
@@ -292,3 +297,34 @@ if test "$hesiod" != no; then
 else
 	AC_MSG_ERROR(This package requires Hesiod.)
 fi])
+
+dnl ----- libares -----
+
+AC_DEFUN(ATHENA_ARES_CHECK,
+[AC_CHECK_FUNC(res_send, :, AC_CHECK_LIB(resolv, res_send))
+if test "$ares" != yes; then
+	CPPFLAGS="$CPPFLAGS -I$ares/include"
+	LDFLAGS="$LDFLAGS -L$ares/lib"
+fi
+AC_CHECK_LIB(ares, ares_init, :, [AC_MSG_ERROR(libares not found)])])
+
+AC_DEFUN(ATHENA_ARES,
+[AC_ARG_WITH(ares,
+	[  --with-ares=PREFIX      Use libares],
+	[ares="$withval"], [ares=no])
+if test "$ares" != no; then
+	ATHENA_ARES_CHECK
+	ARES_LIBS="-lares"
+	AC_DEFINE(HAVE_ARES)
+fi
+AC_SUBST(ARES_LIBS)])
+
+AC_DEFUN(ATHENA_ARES_REQUIRED,
+[AC_ARG_WITH(ares,
+	[  --with-ares=PREFIX      Specify location of libares],
+	[ares="$withval"], [ares=yes])
+if test "$ares" != no; then
+	ATHENA_ARES_CHECK
+else
+	AC_MSG_ERROR(This package requires libares.)
+fi])
diff --git a/configure b/configure
index 6f03bd5..070ae2a 100755
--- a/configure
+++ b/configure
@@ -20,6 +20,8 @@ ac_help="$ac_help
 ac_help="$ac_help
   --with-regex=PREFIX     Use installed regex library"
 ac_help="$ac_help
+  --with-ares=PREFIX      Use libares"
+ac_help="$ac_help
   --with-com_err=PREFIX   Specify location of com_err"
 ac_help="$ac_help
   --with-ss=PREFIX        Specify location of ss (requires com_err)"
@@ -586,7 +588,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:590: checking host system type" >&5
+echo "configure:592: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -607,7 +609,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:611: checking target system type" >&5
+echo "configure:613: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -625,7 +627,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:629: checking build system type" >&5
+echo "configure:631: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -655,7 +657,7 @@ EOF
 # 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:659: checking for $ac_word" >&5
+echo "configure:661: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -684,7 +686,7 @@ if test -z "$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:688: checking for $ac_word" >&5
+echo "configure:690: 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
@@ -732,7 +734,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:736: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:738: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -742,11 +744,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 746 "configure"
+#line 748 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:750: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:752: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; 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
@@ -766,12 +768,12 @@ 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""... $ac_c" 1>&6
-echo "configure:770: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:772: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:775: checking whether we are using GNU C" >&5
+echo "configure:777: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -780,7 +782,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:784: \"$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:786: \"$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
@@ -795,7 +797,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:799: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:801: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -827,7 +829,7 @@ do
 # Extract the first word of "$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:831: checking for $ac_word" >&5
+echo "configure:833: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -859,7 +861,7 @@ test -n "$YACC" || YACC="yacc"
 # Extract the first word of "flex", so it can be a program name with args.
 set dummy flex; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:863: checking for $ac_word" >&5
+echo "configure:865: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -892,7 +894,7 @@ then
   *) ac_lib=l ;;
   esac
   echo $ac_n "checking for yywrap in -l$ac_lib""... $ac_c" 1>&6
-echo "configure:896: checking for yywrap in -l$ac_lib" >&5
+echo "configure:898: checking for yywrap in -l$ac_lib" >&5
 ac_lib_var=`echo $ac_lib'_'yywrap | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -900,7 +902,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l$ac_lib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 904 "configure"
+#line 906 "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
@@ -911,7 +913,7 @@ int main() {
 yywrap()
 ; return 0; }
 EOF
-if { (eval echo configure:915: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:917: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -944,7 +946,7 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:948: checking for a BSD compatible install" >&5
+echo "configure:950: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -996,7 +998,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1000: checking for $ac_word" >&5
+echo "configure:1002: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1024,7 +1026,7 @@ fi
 
 
 echo $ac_n "checking location of temporary directory""... $ac_c" 1>&6
-echo "configure:1028: checking location of temporary directory" >&5
+echo "configure:1030: checking location of temporary directory" >&5
 if test -d /var/tmp; then
 	found_tmp=/var/tmp/
 elif test -d /usr/tmp; then
@@ -1039,7 +1041,7 @@ EOF
 echo "$ac_t""${found_tmp}" 1>&6
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1043: checking how to run the C preprocessor" >&5
+echo "configure:1045: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1054,13 +1056,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1058 "configure"
+#line 1060 "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:1064: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1066: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1071,13 +1073,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1075 "configure"
+#line 1077 "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:1081: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1083: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1104,7 +1106,7 @@ echo "$ac_t""$CPP" 1>&6
 # Uses ac_ vars as temps to allow command line to override cache and checks.
 # --without-x overrides everything else, but does not touch the cache.
 echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:1108: checking for X" >&5
+echo "configure:1110: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -1166,12 +1168,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 1170 "configure"
+#line 1172 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1175: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1177: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1240,14 +1242,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1244 "configure"
+#line 1246 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:1251: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1253: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -1353,17 +1355,17 @@ else
     case "`(uname -sr) 2>/dev/null`" in
     "SunOS 5"*)
       echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
-echo "configure:1357: checking whether -R must be followed by a space" >&5
+echo "configure:1359: checking whether -R must be followed by a space" >&5
       ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
       cat > conftest.$ac_ext <<EOF
-#line 1360 "configure"
+#line 1362 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1367: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1369: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   ac_R_nospace=yes
 else
@@ -1379,14 +1381,14 @@ rm -f conftest*
       else
 	LIBS="$ac_xsave_LIBS -R $x_libraries"
 	cat > conftest.$ac_ext <<EOF
-#line 1383 "configure"
+#line 1385 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1390: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1392: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   ac_R_space=yes
 else
@@ -1418,7 +1420,7 @@ rm -f conftest*
     # libraries were built with DECnet support.  And karl@cs.umb.edu says
     # the Alpha needs dnet_stub (dnet does not exist).
     echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
-echo "configure:1422: checking for dnet_ntoa in -ldnet" >&5
+echo "configure:1424: checking for dnet_ntoa in -ldnet" >&5
 ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1426,7 +1428,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1430 "configure"
+#line 1432 "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
@@ -1437,7 +1439,7 @@ int main() {
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:1441: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1443: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1459,7 +1461,7 @@ fi
 
     if test $ac_cv_lib_dnet_dnet_ntoa = no; then
       echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
-echo "configure:1463: checking for dnet_ntoa in -ldnet_stub" >&5
+echo "configure:1465: checking for dnet_ntoa in -ldnet_stub" >&5
 ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1467,7 +1469,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet_stub  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1471 "configure"
+#line 1473 "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
@@ -1478,7 +1480,7 @@ int main() {
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:1482: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1484: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1507,12 +1509,12 @@ fi
     # The nsl library prevents programs from opening the X display
     # on Irix 5.2, according to dickey@clark.net.
     echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:1511: checking for gethostbyname" >&5
+echo "configure:1513: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1516 "configure"
+#line 1518 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -1535,7 +1537,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1539: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1541: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname=yes"
 else
@@ -1556,7 +1558,7 @@ fi
 
     if test $ac_cv_func_gethostbyname = no; then
       echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:1560: checking for gethostbyname in -lnsl" >&5
+echo "configure:1562: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1564,7 +1566,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1568 "configure"
+#line 1570 "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
@@ -1575,7 +1577,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:1579: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1581: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1605,12 +1607,12 @@ fi
     # -lsocket must be given before -lnsl if both are needed.
     # We assume that if connect needs -lnsl, so does gethostbyname.
     echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:1609: checking for connect" >&5
+echo "configure:1611: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1614 "configure"
+#line 1616 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -1633,7 +1635,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1637: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1639: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_connect=yes"
 else
@@ -1654,7 +1656,7 @@ fi
 
     if test $ac_cv_func_connect = no; then
       echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
-echo "configure:1658: checking for connect in -lsocket" >&5
+echo "configure:1660: checking for connect in -lsocket" >&5
 ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1662,7 +1664,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1666 "configure"
+#line 1668 "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
@@ -1673,7 +1675,7 @@ int main() {
 connect()
 ; return 0; }
 EOF
-if { (eval echo configure:1677: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1679: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1697,12 +1699,12 @@ fi
 
     # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
     echo $ac_n "checking for remove""... $ac_c" 1>&6
-echo "configure:1701: checking for remove" >&5
+echo "configure:1703: checking for remove" >&5
 if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1706 "configure"
+#line 1708 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char remove(); below.  */
@@ -1725,7 +1727,7 @@ remove();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1729: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1731: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_remove=yes"
 else
@@ -1746,7 +1748,7 @@ fi
 
     if test $ac_cv_func_remove = no; then
       echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
-echo "configure:1750: checking for remove in -lposix" >&5
+echo "configure:1752: checking for remove in -lposix" >&5
 ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1754,7 +1756,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lposix  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1758 "configure"
+#line 1760 "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
@@ -1765,7 +1767,7 @@ int main() {
 remove()
 ; return 0; }
 EOF
-if { (eval echo configure:1769: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1771: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1789,12 +1791,12 @@ fi
 
     # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
     echo $ac_n "checking for shmat""... $ac_c" 1>&6
-echo "configure:1793: checking for shmat" >&5
+echo "configure:1795: checking for shmat" >&5
 if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1798 "configure"
+#line 1800 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char shmat(); below.  */
@@ -1817,7 +1819,7 @@ shmat();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1821: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_shmat=yes"
 else
@@ -1838,7 +1840,7 @@ fi
 
     if test $ac_cv_func_shmat = no; then
       echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
-echo "configure:1842: checking for shmat in -lipc" >&5
+echo "configure:1844: checking for shmat in -lipc" >&5
 ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1846,7 +1848,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lipc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1850 "configure"
+#line 1852 "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
@@ -1857,7 +1859,7 @@ int main() {
 shmat()
 ; return 0; }
 EOF
-if { (eval echo configure:1861: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1863: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1890,7 +1892,7 @@ fi
   # libraries we check for below, so use a different variable.
   #  --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
   echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
-echo "configure:1894: checking for IceConnectionNumber in -lICE" >&5
+echo "configure:1896: checking for IceConnectionNumber in -lICE" >&5
 ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1898,7 +1900,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lICE  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1902 "configure"
+#line 1904 "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
@@ -1909,7 +1911,7 @@ int main() {
 IceConnectionNumber()
 ; return 0; }
 EOF
-if { (eval echo configure:1913: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1915: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1934,12 +1936,12 @@ fi
 fi
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1938: checking for ANSI C header files" >&5
+echo "configure:1940: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1943 "configure"
+#line 1945 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1947,7 +1949,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1951: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1953: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1964,7 +1966,7 @@ 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 1968 "configure"
+#line 1970 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1982,7 +1984,7 @@ 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 1986 "configure"
+#line 1988 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -2003,7 +2005,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 2007 "configure"
+#line 2009 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -2014,7 +2016,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:2018: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2020: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -2038,12 +2040,12 @@ EOF
 fi
 
 echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
-echo "configure:2042: checking for sys/wait.h that is POSIX.1 compatible" >&5
+echo "configure:2044: checking for sys/wait.h that is POSIX.1 compatible" >&5
 if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2047 "configure"
+#line 2049 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -2059,7 +2061,7 @@ wait (&s);
 s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
 ; return 0; }
 EOF
-if { (eval echo configure:2063: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2065: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_sys_wait_h=yes
 else
@@ -2083,17 +2085,17 @@ for ac_hdr in fcntl.h paths.h termios.h sgtty.h unistd.h malloc.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2087: checking for $ac_hdr" >&5
+echo "configure:2089: 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 2092 "configure"
+#line 2094 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2097: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2099: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2123,17 +2125,17 @@ for ac_hdr in sys/filio.h sys/ioctl.h sys/time.h sys/file.h sys/utsname.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2127: checking for $ac_hdr" >&5
+echo "configure:2129: 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 2132 "configure"
+#line 2134 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2137: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2139: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2163,17 +2165,17 @@ for ac_hdr in sys/select.h sys/msgbuf.h sys/cdefs.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2167: checking for $ac_hdr" >&5
+echo "configure:2169: 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 2172 "configure"
+#line 2174 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2177: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2179: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2208,12 +2210,12 @@ fi
 
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:2212: checking return type of signal handlers" >&5
+echo "configure:2214: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2217 "configure"
+#line 2219 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -2230,7 +2232,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:2234: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2236: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -2249,12 +2251,12 @@ EOF
 
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:2253: checking for uid_t in sys/types.h" >&5
+echo "configure:2255: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2258 "configure"
+#line 2260 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -2283,7 +2285,7 @@ EOF
 fi
 
 echo $ac_n "checking size of short""... $ac_c" 1>&6
-echo "configure:2287: checking size of short" >&5
+echo "configure:2289: checking size of short" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2291,7 +2293,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2295 "configure"
+#line 2297 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2302,7 +2304,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2306: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2308: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_short=`cat conftestval`
 else
@@ -2322,7 +2324,7 @@ EOF
 
 
 echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:2326: checking size of int" >&5
+echo "configure:2328: checking size of int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2330,7 +2332,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2334 "configure"
+#line 2336 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2341,7 +2343,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2345: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2347: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_int=`cat conftestval`
 else
@@ -2361,7 +2363,7 @@ EOF
 
 
 echo $ac_n "checking size of long""... $ac_c" 1>&6
-echo "configure:2365: checking size of long" >&5
+echo "configure:2367: checking size of long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2369,7 +2371,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2373 "configure"
+#line 2375 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2380,7 +2382,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2384: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2386: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long=`cat conftestval`
 else
@@ -2400,7 +2402,7 @@ EOF
 
 
 echo $ac_n "checking for 32-bit integer type""... $ac_c" 1>&6
-echo "configure:2404: checking for 32-bit integer type" >&5
+echo "configure:2406: checking for 32-bit integer type" >&5
 if test "$ac_cv_sizeof_long" = 4; then
 	int32=long
 elif test "$ac_cv_sizeof_int" = 4; then
@@ -2418,7 +2420,7 @@ EOF
 echo "$ac_t""${int32}" 1>&6
 
 echo $ac_n "checking for wslen in -lw""... $ac_c" 1>&6
-echo "configure:2422: checking for wslen in -lw" >&5
+echo "configure:2424: checking for wslen in -lw" >&5
 ac_lib_var=`echo w'_'wslen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2426,7 +2428,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lw  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2430 "configure"
+#line 2432 "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
@@ -2437,7 +2439,7 @@ int main() {
 wslen()
 ; return 0; }
 EOF
-if { (eval echo configure:2441: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2443: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2465,7 +2467,7 @@ else
 fi
 
 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:2469: checking for dlopen in -ldl" >&5
+echo "configure:2471: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2473,7 +2475,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2477 "configure"
+#line 2479 "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
@@ -2484,7 +2486,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:2488: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2490: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2518,12 +2520,12 @@ fi
 # only looks in /etc/hosts), so we only look for -lsocket if we need
 # it.
 echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:2522: checking for connect" >&5
+echo "configure:2524: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2527 "configure"
+#line 2529 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -2546,7 +2548,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2550: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2552: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_connect=yes"
 else
@@ -2564,7 +2566,7 @@ if eval "test \"`echo '$ac_cv_func_'connect`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
-echo "configure:2568: checking for socket in -lsocket" >&5
+echo "configure:2570: checking for socket in -lsocket" >&5
 ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2572,7 +2574,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2576 "configure"
+#line 2578 "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
@@ -2583,7 +2585,7 @@ int main() {
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:2587: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2589: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2611,7 +2613,7 @@ else
 fi
 
 			   echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:2615: checking for gethostbyname in -lnsl" >&5
+echo "configure:2617: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2619,7 +2621,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2623 "configure"
+#line 2625 "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
@@ -2630,7 +2632,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:2634: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2636: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2663,7 +2665,7 @@ fi
 # Hesiod needs -lresolv on Sun systems for res_send.
 if test "$hesiod" != "no"; then
 	echo $ac_n "checking for strerror in -l44bsd""... $ac_c" 1>&6
-echo "configure:2667: checking for strerror in -l44bsd" >&5
+echo "configure:2669: checking for strerror in -l44bsd" >&5
 ac_lib_var=`echo 44bsd'_'strerror | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2671,7 +2673,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l44bsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2675 "configure"
+#line 2677 "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
@@ -2682,7 +2684,7 @@ int main() {
 strerror()
 ; return 0; }
 EOF
-if { (eval echo configure:2686: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2710,7 +2712,7 @@ else
 fi
 
 	echo $ac_n "checking for res_send in -lresolv""... $ac_c" 1>&6
-echo "configure:2714: checking for res_send in -lresolv" >&5
+echo "configure:2716: checking for res_send in -lresolv" >&5
 ac_lib_var=`echo resolv'_'res_send | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2718,7 +2720,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lresolv  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2722 "configure"
+#line 2724 "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
@@ -2729,7 +2731,7 @@ int main() {
 res_send()
 ; return 0; }
 EOF
-if { (eval echo configure:2733: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2735: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2759,7 +2761,7 @@ fi
 fi
 
 echo $ac_n "checking for tgetstr in -lcurses""... $ac_c" 1>&6
-echo "configure:2763: checking for tgetstr in -lcurses" >&5
+echo "configure:2765: checking for tgetstr in -lcurses" >&5
 ac_lib_var=`echo curses'_'tgetstr | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2767,7 +2769,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2771 "configure"
+#line 2773 "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
@@ -2778,7 +2780,7 @@ int main() {
 tgetstr()
 ; return 0; }
 EOF
-if { (eval echo configure:2782: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2784: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2800,7 +2802,7 @@ TLIB=-ltermcap
 fi
 
 echo $ac_n "checking for srcsrpy in -lsrc""... $ac_c" 1>&6
-echo "configure:2804: checking for srcsrpy in -lsrc" >&5
+echo "configure:2806: checking for srcsrpy in -lsrc" >&5
 ac_lib_var=`echo src'_'srcsrpy | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2808,7 +2810,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsrc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2812 "configure"
+#line 2814 "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
@@ -2819,7 +2821,7 @@ int main() {
 srcsrpy()
 ; return 0; }
 EOF
-if { (eval echo configure:2823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2825: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2856,12 +2858,12 @@ fi
 
 if test "$krb4" != no; then
 	echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:2860: checking for gethostbyname" >&5
+echo "configure:2862: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2865 "configure"
+#line 2867 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -2884,7 +2886,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2890: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname=yes"
 else
@@ -2902,7 +2904,7 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:2906: checking for gethostbyname in -lnsl" >&5
+echo "configure:2908: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2910,7 +2912,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2914 "configure"
+#line 2916 "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
@@ -2921,7 +2923,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:2925: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2927: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2951,12 +2953,12 @@ fi
 fi
 
 echo $ac_n "checking for socket""... $ac_c" 1>&6
-echo "configure:2955: checking for socket" >&5
+echo "configure:2957: checking for socket" >&5
 if eval "test \"`echo '$''{'ac_cv_func_socket'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2960 "configure"
+#line 2962 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char socket(); below.  */
@@ -2979,7 +2981,7 @@ socket();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2983: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2985: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_socket=yes"
 else
@@ -2997,7 +2999,7 @@ if eval "test \"`echo '$ac_cv_func_'socket`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
-echo "configure:3001: checking for socket in -lsocket" >&5
+echo "configure:3003: checking for socket in -lsocket" >&5
 ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3005,7 +3007,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3009 "configure"
+#line 3011 "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
@@ -3016,7 +3018,7 @@ int main() {
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:3020: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3022: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3046,7 +3048,7 @@ fi
 fi
 
 echo $ac_n "checking for compile in -lgen""... $ac_c" 1>&6
-echo "configure:3050: checking for compile in -lgen" >&5
+echo "configure:3052: checking for compile in -lgen" >&5
 ac_lib_var=`echo gen'_'compile | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3054,7 +3056,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lgen  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3058 "configure"
+#line 3060 "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
@@ -3065,7 +3067,7 @@ int main() {
 compile()
 ; return 0; }
 EOF
-if { (eval echo configure:3069: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3071: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3102,7 +3104,7 @@ elif test -d /usr/include/kerberosIV; then
 	CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
 fi
 echo $ac_n "checking for krb_rd_req in -lkrb4""... $ac_c" 1>&6
-echo "configure:3106: checking for krb_rd_req in -lkrb4" >&5
+echo "configure:3108: checking for krb_rd_req in -lkrb4" >&5
 ac_lib_var=`echo krb4'_'krb_rd_req | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3110,7 +3112,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3114 "configure"
+#line 3116 "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
@@ -3121,7 +3123,7 @@ int main() {
 krb_rd_req()
 ; return 0; }
 EOF
-if { (eval echo configure:3125: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3127: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3140,7 +3142,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for krb_rd_req in -lkrb""... $ac_c" 1>&6
-echo "configure:3144: checking for krb_rd_req in -lkrb" >&5
+echo "configure:3146: checking for krb_rd_req in -lkrb" >&5
 ac_lib_var=`echo krb'_'krb_rd_req | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3148,7 +3150,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lkrb -ldes $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3152 "configure"
+#line 3154 "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
@@ -3159,7 +3161,7 @@ int main() {
 krb_rd_req()
 ; return 0; }
 EOF
-if { (eval echo configure:3163: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3165: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3198,12 +3200,12 @@ fi
 
 if test "$hesiod" != no; then
 	echo $ac_n "checking for res_send""... $ac_c" 1>&6
-echo "configure:3202: checking for res_send" >&5
+echo "configure:3204: checking for res_send" >&5
 if eval "test \"`echo '$''{'ac_cv_func_res_send'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3207 "configure"
+#line 3209 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char res_send(); below.  */
@@ -3226,7 +3228,7 @@ res_send();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3230: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3232: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_res_send=yes"
 else
@@ -3244,7 +3246,7 @@ if eval "test \"`echo '$ac_cv_func_'res_send`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for res_send in -lresolv""... $ac_c" 1>&6
-echo "configure:3248: checking for res_send in -lresolv" >&5
+echo "configure:3250: checking for res_send in -lresolv" >&5
 ac_lib_var=`echo resolv'_'res_send | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3252,7 +3254,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lresolv  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3256 "configure"
+#line 3258 "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
@@ -3263,7 +3265,7 @@ int main() {
 res_send()
 ; return 0; }
 EOF
-if { (eval echo configure:3267: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3297,7 +3299,7 @@ if test "$hesiod" != yes; then
 	LDFLAGS="$LDFLAGS -L$hesiod/lib"
 fi
 echo $ac_n "checking for hes_resolve in -lhesiod""... $ac_c" 1>&6
-echo "configure:3301: checking for hes_resolve in -lhesiod" >&5
+echo "configure:3303: checking for hes_resolve in -lhesiod" >&5
 ac_lib_var=`echo hesiod'_'hes_resolve | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3305,7 +3307,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lhesiod  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3309 "configure"
+#line 3311 "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
@@ -3316,7 +3318,7 @@ int main() {
 hes_resolve()
 ; return 0; }
 EOF
-if { (eval echo configure:3320: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3322: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3358,7 +3360,7 @@ if test "$regex" != no; then
 		LDFLAGS="$LDFLAGS -L$regex/lib"
 	fi
 	echo $ac_n "checking for regcomp in -lregex""... $ac_c" 1>&6
-echo "configure:3362: checking for regcomp in -lregex" >&5
+echo "configure:3364: checking for regcomp in -lregex" >&5
 ac_lib_var=`echo regex'_'regcomp | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3366,7 +3368,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lregex  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3370 "configure"
+#line 3372 "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
@@ -3377,7 +3379,7 @@ int main() {
 regcomp()
 ; return 0; }
 EOF
-if { (eval echo configure:3381: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3383: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3400,12 +3402,12 @@ fi
 
 else
 	echo $ac_n "checking for regcomp""... $ac_c" 1>&6
-echo "configure:3404: checking for regcomp" >&5
+echo "configure:3406: checking for regcomp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_regcomp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3409 "configure"
+#line 3411 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char regcomp(); below.  */
@@ -3428,7 +3430,7 @@ regcomp();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3432: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3434: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_regcomp=yes"
 else
@@ -3450,6 +3452,162 @@ fi
 
 fi
 
+# Check whether --with-ares or --without-ares was given.
+if test "${with_ares+set}" = set; then
+  withval="$with_ares"
+  ares="$withval"
+else
+  ares=no
+fi
+
+if test "$ares" != no; then
+	echo $ac_n "checking for res_send""... $ac_c" 1>&6
+echo "configure:3466: checking for res_send" >&5
+if eval "test \"`echo '$''{'ac_cv_func_res_send'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3471 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char res_send(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char res_send();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_res_send) || defined (__stub___res_send)
+choke me
+#else
+res_send();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3494: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_res_send=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_res_send=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'res_send`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+echo $ac_n "checking for res_send in -lresolv""... $ac_c" 1>&6
+echo "configure:3512: checking for res_send in -lresolv" >&5
+ac_lib_var=`echo resolv'_'res_send | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lresolv  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3520 "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
+    builtin and then its argument prototype would still apply.  */
+char res_send();
+
+int main() {
+res_send()
+; return 0; }
+EOF
+if { (eval echo configure:3531: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo resolv | sed -e 's/^a-zA-Z0-9_/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lresolv $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+fi
+
+if test "$ares" != yes; then
+	CPPFLAGS="$CPPFLAGS -I$ares/include"
+	LDFLAGS="$LDFLAGS -L$ares/lib"
+fi
+echo $ac_n "checking for ares_init in -lares""... $ac_c" 1>&6
+echo "configure:3565: checking for ares_init in -lares" >&5
+ac_lib_var=`echo ares'_'ares_init | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lares  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3573 "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
+    builtin and then its argument prototype would still apply.  */
+char ares_init();
+
+int main() {
+ares_init()
+; return 0; }
+EOF
+if { (eval echo configure:3584: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+{ echo "configure: error: libares not found" 1>&2; exit 1; }
+fi
+
+	ARES_LIBS="-lares"
+	cat >> confdefs.h <<\EOF
+#define HAVE_ARES 1
+EOF
+
+fi
+
 # Check whether --with-com_err or --without-com_err was given.
 if test "${with_com_err+set}" = set; then
   withval="$with_com_err"
@@ -3464,7 +3622,7 @@ if test "$com_err" != no; then
 		LDFLAGS="$LDFLAGS -L$com_err/lib"
 	fi
 	echo $ac_n "checking for com_err in -lcom_err""... $ac_c" 1>&6
-echo "configure:3468: checking for com_err in -lcom_err" >&5
+echo "configure:3626: checking for com_err in -lcom_err" >&5
 ac_lib_var=`echo com_err'_'com_err | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3472,7 +3630,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcom_err  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3476 "configure"
+#line 3634 "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
@@ -3483,7 +3641,7 @@ int main() {
 com_err()
 ; return 0; }
 EOF
-if { (eval echo configure:3487: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3645: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3521,7 +3679,7 @@ if test "$ss" != no; then
 		LDFLAGS="$LDFLAGS -L$ss/lib"
 	fi
 	echo $ac_n "checking for ss_perror in -lss""... $ac_c" 1>&6
-echo "configure:3525: checking for ss_perror in -lss" >&5
+echo "configure:3683: checking for ss_perror in -lss" >&5
 ac_lib_var=`echo ss'_'ss_perror | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3529,7 +3687,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lss -lcom_err $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3533 "configure"
+#line 3691 "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
@@ -3540,7 +3698,7 @@ int main() {
 ss_perror()
 ; return 0; }
 EOF
-if { (eval echo configure:3544: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3702: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3568,13 +3726,13 @@ LIBS="$KRB4_LIBS $HESIOD_LIBS $LIBS"
 
 if test $ac_cv_prog_gcc = yes; then
     echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
-echo "configure:3572: checking whether ${CC-cc} needs -traditional" >&5
+echo "configure:3730: checking whether ${CC-cc} needs -traditional" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     ac_pattern="Autoconf.*'x'"
   cat > conftest.$ac_ext <<EOF
-#line 3578 "configure"
+#line 3736 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
@@ -3592,7 +3750,7 @@ rm -f conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 3596 "configure"
+#line 3754 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
@@ -3614,12 +3772,12 @@ echo "$ac_t""$ac_cv_prog_gcc_traditional" 1>&6
 fi
 
 echo $ac_n "checking for vprintf""... $ac_c" 1>&6
-echo "configure:3618: checking for vprintf" >&5
+echo "configure:3776: checking for vprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3623 "configure"
+#line 3781 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vprintf(); below.  */
@@ -3642,7 +3800,7 @@ vprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3646: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3804: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_vprintf=yes"
 else
@@ -3666,12 +3824,12 @@ fi
 
 if test "$ac_cv_func_vprintf" != yes; then
 echo $ac_n "checking for _doprnt""... $ac_c" 1>&6
-echo "configure:3670: checking for _doprnt" >&5
+echo "configure:3828: checking for _doprnt" >&5
 if eval "test \"`echo '$''{'ac_cv_func__doprnt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3675 "configure"
+#line 3833 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char _doprnt(); below.  */
@@ -3694,7 +3852,7 @@ _doprnt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3698: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3856: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func__doprnt=yes"
 else
@@ -3719,7 +3877,7 @@ fi
 fi
 
 echo $ac_n "checking whether getpgrp takes no argument""... $ac_c" 1>&6
-echo "configure:3723: checking whether getpgrp takes no argument" >&5
+echo "configure:3881: checking whether getpgrp takes no argument" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getpgrp_void'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3727,7 +3885,7 @@ else
   { echo "configure: error: cannot check getpgrp if cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 3731 "configure"
+#line 3889 "configure"
 #include "confdefs.h"
 
 /*
@@ -3782,7 +3940,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3786: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3944: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_getpgrp_void=yes
 else
@@ -3806,7 +3964,7 @@ EOF
 fi
 
 echo $ac_n "checking whether setpgrp takes no argument""... $ac_c" 1>&6
-echo "configure:3810: checking whether setpgrp takes no argument" >&5
+echo "configure:3968: checking whether setpgrp takes no argument" >&5
 if eval "test \"`echo '$''{'ac_cv_func_setpgrp_void'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3814,7 +3972,7 @@ else
   { echo "configure: error: cannot check setpgrp if cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 3818 "configure"
+#line 3976 "configure"
 #include "confdefs.h"
 
 /*
@@ -3830,7 +3988,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3834: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3992: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_setpgrp_void=no
 else
@@ -3856,12 +4014,12 @@ fi
 for ac_func in putenv strchr memcpy memmove waitpid getlogin strerror random
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3860: checking for $ac_func" >&5
+echo "configure:4018: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3865 "configure"
+#line 4023 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3884,7 +4042,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4046: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3911,12 +4069,12 @@ done
 for ac_func in lrand48 gethostid getsid getpgid krb_get_err_text krb_log
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3915: checking for $ac_func" >&5
+echo "configure:4073: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3920 "configure"
+#line 4078 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3939,7 +4097,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3943: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4101: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4139,6 +4297,7 @@ s%@SLIB@%$SLIB%g
 s%@KRB4_LIBS@%$KRB4_LIBS%g
 s%@HESIOD_LIBS@%$HESIOD_LIBS%g
 s%@REGEX_LIBS@%$REGEX_LIBS%g
+s%@ARES_LIBS@%$ARES_LIBS%g
 
 CEOF
 EOF
diff --git a/configure.in b/configure.in
index 1de2c76..fe1dac4 100644
--- a/configure.in
+++ b/configure.in
@@ -91,6 +91,7 @@ AC_SUBST(SLIB)
 ATHENA_KRB4
 ATHENA_HESIOD
 ATHENA_REGEXP
+ATHENA_ARES
 ATHENA_UTIL_COM_ERR
 ATHENA_UTIL_SS
 LIBS="$KRB4_LIBS $HESIOD_LIBS $LIBS"
diff --git a/h/config.h.in b/h/config.h.in
index 015d9d3..1a3dd61 100644
--- a/h/config.h.in
+++ b/h/config.h.in
@@ -36,6 +36,9 @@
 /* Define to compile with Kerberos support. */
 #undef HAVE_KRB4
 
+/* Define to compile with ares support. */
+#undef HAVE_ARES
+
 /* Define to a signed 32-bit integral type. */
 #define ZEPHYR_INT32 long
 
diff --git a/zwgc/Makefile.in b/zwgc/Makefile.in
index e754c9d..76cb2c3 100644
--- a/zwgc/Makefile.in
+++ b/zwgc/Makefile.in
@@ -28,7 +28,7 @@ ALL_CFLAGS=${CFLAGS} -DDATADIR=\"${datadir}\" -I${top_srcdir}/h \
 YFLAGS=-d
 LDFLAGS=-L${BUILDTOP}/lib @X_LIBS@ @LDFLAGS@
 LIBS=-lzephyr @LIBS@ -lcom_err @X_PRE_LIBS@ @ZWGC_LIBX11@ @X_EXTRA_LIBS@ \
-     @TLIB@ @REGEX_LIBS@
+     @TLIB@ @REGEX_LIBS@ @ARES_LIBS@
 
 OBJS=	port_dictionary.o pointer_dictionary.o unsigned_long_dictionary.o \
 	string_dictionary.o int_dictionary.o string_dictionary_aux.o \