diff --git a/INSTALL b/INSTALL
index c86d06f252..70b66ced4b 100644
--- a/INSTALL
+++ b/INSTALL
@@ -267,6 +267,15 @@ PostgreSQL:
                           listens for incoming connections on.  The
                           default for this is port 5432.
 
+       --with-defaults    Use default responses to several queries during
+                          configuration.
+
+       --with-tcl         Enables programs requiring Tcl/Tk and X11,
+                          including pgtclsh and libpgtcl.
+
+       --with-perl        Enables the perl interface.  Note that this
+                          requires an installed version of postgreSQL.
+
      As an example, here is the configure script I use on a Sparc
      Solaris 2.5 system with /opt/postgres being the install base.
 
diff --git a/src/Makefile.global.in b/src/Makefile.global.in
index 39640b9193..de7a7d85e9 100644
--- a/src/Makefile.global.in
+++ b/src/Makefile.global.in
@@ -7,7 +7,7 @@
 #
 #
 # IDENTIFICATION
-#    $Header: /cvsroot/pgsql/src/Makefile.global.in,v 1.34 1998/02/13 05:09:12 scrappy Exp $
+#    $Header: /cvsroot/pgsql/src/Makefile.global.in,v 1.35 1998/02/22 20:02:11 momjian Exp $
 #
 # NOTES
 #    Essentially all Postgres make files include this file and use the 
@@ -160,18 +160,18 @@ endif
 USE_TCL= @USE_TCL@
 # customize these to your site's needs
 #
-TCL_INCDIR= /usr/local/include
+TCL_INCDIR= @TCL_INCDIR@
 TCL_LIBDIR= /usr/local/lib
-TCL_LIB= -ltcl8.0
-TK_INCDIR= /usr/local/include
+TCL_LIB= @TCL_LIB@
+TK_INCDIR= @TK_INCDIR@
 TK_LIBDIR= /usr/local/lib
-TK_LIB= -ltk8.0
+TK_LIB= @TK_LIB@
 
 USE_PERL= @USE_PERL@
 
-X11_INCDIR= /usr/include
-X11_LIBDIR= /usr/lib
-X11_LIB= -lX11 @SOCKET_LIB@ @NSL_LIB@
+X_CFLAGS= @X_CFLAGS@
+X_LIBS= @X_LIBS@
+X11_LIBS= -lX11 @X_EXTRA_LIBS@
 
 
 ##############################################################################
diff --git a/src/bin/pgtclsh/Makefile b/src/bin/pgtclsh/Makefile
index 6c4e8f2ee9..334c20fed7 100644
--- a/src/bin/pgtclsh/Makefile
+++ b/src/bin/pgtclsh/Makefile
@@ -7,14 +7,14 @@
 #
 #
 # IDENTIFICATION
-#    $Header: /cvsroot/pgsql/src/bin/pgtclsh/Attic/Makefile,v 1.10 1998/01/25 04:14:23 scrappy Exp $
+#    $Header: /cvsroot/pgsql/src/bin/pgtclsh/Attic/Makefile,v 1.11 1998/02/22 20:02:28 momjian Exp $
 #
 #-------------------------------------------------------------------------
 
 SRCDIR= ../..
 include ../../Makefile.global
 
-CFLAGS+=  -I$(TCL_INCDIR) -I$(TK_INCDIR) -I$(X11_INCDIR) -I$(SRCDIR)/interfaces/libpgtcl
+CFLAGS+=  $(X_CFLAGS) -I$(TCL_INCDIR) -I$(TK_INCDIR) -I$(SRCDIR)/interfaces/libpgtcl
 
 ifdef KRBVERS
 LDFLAGS+= $(KRBLIBS)
@@ -33,8 +33,8 @@ pgtclsh: pgtclAppInit.o
 
 pgtksh: pgtkAppInit.o
 	$(CC) $(CFLAGS) -o $@ pgtkAppInit.o \
-	  $(LIBPGTCL) $(LIBPQ) -L$(TCL_LIBDIR) -L$(TK_LIBDIR) -L$(X11_LIBDIR) \
-	  $(TK_LIB) $(TCL_LIB) -lX11 -lm $(LDFLAGS)
+	  $(LIBPGTCL) $(LIBPQ) -L$(TCL_LIBDIR) -L$(TK_LIBDIR) $(X_LIBS) \
+	  $(TK_LIB) $(TCL_LIB) $(X11_LIBS) -lm $(LDFLAGS)
 
 install: pgtclsh pgtksh
 	$(INSTALL) $(INSTL_EXE_OPTS) pgtclsh $(DESTDIR)$(BINDIR)/pgtclsh
diff --git a/src/configure b/src/configure
index d250cc9059..a28832d461 100755
--- a/src/configure
+++ b/src/configure
@@ -12,6 +12,8 @@ ac_help=
 ac_default_prefix=/usr/local
 # Any additions from configure.in:
 ac_default_prefix=/usr/local/pgsql
+ac_help="$ac_help
+  --with-x                use the X Window System"
 
 # Initialize some variables set by options.
 # The variables have the same names as the options, with
@@ -547,7 +549,7 @@ 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:551: checking host system type" >&5
+echo "configure:553: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -781,6 +783,7 @@ else
 	USE_TCL=
 fi
 export USE_TCL
+USE_X=$USE_TCL
 
 if test "X$with_perl" = "Xyes"
 then
@@ -817,7 +820,7 @@ else
         # 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:821: checking for $ac_word" >&5
+echo "configure:824: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -846,7 +849,7 @@ if test -z "$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:850: checking for $ac_word" >&5
+echo "configure:853: 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
@@ -894,7 +897,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:898: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:901: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -904,11 +907,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 908 "configure"
+#line 911 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:912: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:915: \"$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
@@ -928,12 +931,12 @@ 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""... $ac_c" 1>&6
-echo "configure:932: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:935: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:937: checking whether we are using GNU C" >&5
+echo "configure:940: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -942,7 +945,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:946: \"$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:949: \"$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
@@ -957,7 +960,7 @@ 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:961: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:964: 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
@@ -990,7 +993,7 @@ fi
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:994: checking how to run the C preprocessor" >&5
+echo "configure:997: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1005,13 +1008,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1009 "configure"
+#line 1012 "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:1015: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1018: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1022,13 +1025,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1026 "configure"
+#line 1029 "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:1032: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1035: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1070,7 +1073,7 @@ 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:1074: checking for $ac_word" >&5
+echo "configure:1077: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_INSTALL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1144,7 +1147,7 @@ fi
 # 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:1148: checking for $ac_word" >&5
+echo "configure:1151: 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
@@ -1177,7 +1180,7 @@ then
   *) ac_lib=l ;;
   esac
   echo $ac_n "checking for yywrap in -l$ac_lib""... $ac_c" 1>&6
-echo "configure:1181: checking for yywrap in -l$ac_lib" >&5
+echo "configure:1184: 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) $ac_c" 1>&6
@@ -1185,7 +1188,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l$ac_lib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1189 "configure"
+#line 1192 "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
@@ -1196,7 +1199,7 @@ int main() {
 yywrap()
 ; return 0; }
 EOF
-if { (eval echo configure:1200: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1203: \"$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
@@ -1219,7 +1222,7 @@ fi
 fi
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1223: checking whether ln -s works" >&5
+echo "configure:1226: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1240,7 +1243,7 @@ else
 fi
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:1244: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:1247: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1269,7 +1272,7 @@ fi
 # 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:1273: checking for $ac_word" >&5
+echo "configure:1276: 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
@@ -1298,7 +1301,7 @@ fi
 # Extract the first word of "find", so it can be a program name with args.
 set dummy find; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1302: checking for $ac_word" >&5
+echo "configure:1305: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_find'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1329,7 +1332,7 @@ fi
 # Extract the first word of "tar", so it can be a program name with args.
 set dummy tar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1333: checking for $ac_word" >&5
+echo "configure:1336: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_tar'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1360,7 +1363,7 @@ fi
 # Extract the first word of "split", so it can be a program name with args.
 set dummy split; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1364: checking for $ac_word" >&5
+echo "configure:1367: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_split'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1391,7 +1394,7 @@ fi
 # Extract the first word of "etags", so it can be a program name with args.
 set dummy etags; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1395: checking for $ac_word" >&5
+echo "configure:1398: 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
@@ -1422,7 +1425,7 @@ fi
 # Extract the first word of "xargs", so it can be a program name with args.
 set dummy xargs; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1426: checking for $ac_word" >&5
+echo "configure:1429: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_xargs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1453,7 +1456,7 @@ fi
 # Extract the first word of "ipcs", so it can be a program name with args.
 set dummy ipcs; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1457: checking for $ac_word" >&5
+echo "configure:1460: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_ipcs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1484,7 +1487,7 @@ fi
 # Extract the first word of "ipcrm", so it can be a program name with args.
 set dummy ipcrm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1488: checking for $ac_word" >&5
+echo "configure:1491: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_ipcrm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1517,7 +1520,7 @@ do
 # Extract the first word of "$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:1521: checking for $ac_word" >&5
+echo "configure:1524: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_TR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1568,7 +1571,7 @@ fi
 # Extract the first word of "yacc", so it can be a program name with args.
 set dummy yacc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1572: checking for $ac_word" >&5
+echo "configure:1575: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_yacc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1599,7 +1602,7 @@ fi
 # Extract the first word of "bison", so it can be a program name with args.
 set dummy bison; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1603: checking for $ac_word" >&5
+echo "configure:1606: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_bison'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1643,7 +1646,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lcurses""... $ac_c" 1>&6
-echo "configure:1647: checking for main in -lcurses" >&5
+echo "configure:1650: checking for main in -lcurses" >&5
 ac_lib_var=`echo curses'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1651,14 +1654,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1655 "configure"
+#line 1658 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1662: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1665: \"$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
@@ -1686,7 +1689,7 @@ else
 fi
 
 echo $ac_n "checking for main in -ltermcap""... $ac_c" 1>&6
-echo "configure:1690: checking for main in -ltermcap" >&5
+echo "configure:1693: checking for main in -ltermcap" >&5
 ac_lib_var=`echo termcap'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1694,14 +1697,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltermcap  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1698 "configure"
+#line 1701 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1705: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1708: \"$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
@@ -1729,7 +1732,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lhistory""... $ac_c" 1>&6
-echo "configure:1733: checking for main in -lhistory" >&5
+echo "configure:1736: checking for main in -lhistory" >&5
 ac_lib_var=`echo history'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1737,14 +1740,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lhistory  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1741 "configure"
+#line 1744 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1748: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1751: \"$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
@@ -1772,7 +1775,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lreadline""... $ac_c" 1>&6
-echo "configure:1776: checking for main in -lreadline" >&5
+echo "configure:1779: checking for main in -lreadline" >&5
 ac_lib_var=`echo readline'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1780,14 +1783,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lreadline  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1784 "configure"
+#line 1787 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1791: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1794: \"$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
@@ -1815,7 +1818,7 @@ else
 fi
 
 echo $ac_n "checking for write_history in -lreadline""... $ac_c" 1>&6
-echo "configure:1819: checking for write_history in -lreadline" >&5
+echo "configure:1822: checking for write_history in -lreadline" >&5
 ac_lib_var=`echo readline'_'write_history | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1823,7 +1826,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lreadline  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1827 "configure"
+#line 1830 "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
@@ -1834,7 +1837,7 @@ int main() {
 write_history()
 ; return 0; }
 EOF
-if { (eval echo configure:1838: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1841: \"$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
@@ -1860,7 +1863,7 @@ fi
 if test "$PORTNAME" != "aix"
 then
 	echo $ac_n "checking for main in -lbsd""... $ac_c" 1>&6
-echo "configure:1864: checking for main in -lbsd" >&5
+echo "configure:1867: checking for main in -lbsd" >&5
 ac_lib_var=`echo bsd'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1868,14 +1871,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1872 "configure"
+#line 1875 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1879: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1882: \"$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
@@ -1904,7 +1907,7 @@ fi
 
 fi
 echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:1908: checking for main in -lm" >&5
+echo "configure:1911: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1912,14 +1915,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1916 "configure"
+#line 1919 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1923: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1926: \"$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
@@ -1947,7 +1950,7 @@ else
 fi
 
 echo $ac_n "checking for main in -ldl""... $ac_c" 1>&6
-echo "configure:1951: checking for main in -ldl" >&5
+echo "configure:1954: checking for main in -ldl" >&5
 ac_lib_var=`echo dl'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1955,14 +1958,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1959 "configure"
+#line 1962 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1966: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1969: \"$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
@@ -1990,7 +1993,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lsocket""... $ac_c" 1>&6
-echo "configure:1994: checking for main in -lsocket" >&5
+echo "configure:1997: checking for main in -lsocket" >&5
 ac_lib_var=`echo socket'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1998,14 +2001,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2002 "configure"
+#line 2005 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2009: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2012: \"$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
@@ -2033,7 +2036,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lnsl""... $ac_c" 1>&6
-echo "configure:2037: checking for main in -lnsl" >&5
+echo "configure:2040: checking for main in -lnsl" >&5
 ac_lib_var=`echo nsl'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2041,14 +2044,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2045 "configure"
+#line 2048 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2052: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2055: \"$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
@@ -2076,7 +2079,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lipc""... $ac_c" 1>&6
-echo "configure:2080: checking for main in -lipc" >&5
+echo "configure:2083: checking for main in -lipc" >&5
 ac_lib_var=`echo ipc'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2084,14 +2087,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lipc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2088 "configure"
+#line 2091 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2095: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2098: \"$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
@@ -2119,7 +2122,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lIPC""... $ac_c" 1>&6
-echo "configure:2123: checking for main in -lIPC" >&5
+echo "configure:2126: checking for main in -lIPC" >&5
 ac_lib_var=`echo IPC'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2127,14 +2130,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lIPC  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2131 "configure"
+#line 2134 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2138: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2141: \"$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
@@ -2162,7 +2165,7 @@ else
 fi
 
 echo $ac_n "checking for main in -llc""... $ac_c" 1>&6
-echo "configure:2166: checking for main in -llc" >&5
+echo "configure:2169: checking for main in -llc" >&5
 ac_lib_var=`echo lc'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2170,14 +2173,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-llc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2174 "configure"
+#line 2177 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2181: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2184: \"$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
@@ -2205,7 +2208,7 @@ else
 fi
 
 echo $ac_n "checking for main in -ldld""... $ac_c" 1>&6
-echo "configure:2209: checking for main in -ldld" >&5
+echo "configure:2212: checking for main in -ldld" >&5
 ac_lib_var=`echo dld'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2213,14 +2216,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2217 "configure"
+#line 2220 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2224: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2227: \"$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
@@ -2248,7 +2251,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lln""... $ac_c" 1>&6
-echo "configure:2252: checking for main in -lln" >&5
+echo "configure:2255: checking for main in -lln" >&5
 ac_lib_var=`echo ln'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2256,14 +2259,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lln  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2260 "configure"
+#line 2263 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2267: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2270: \"$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
@@ -2291,7 +2294,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lld""... $ac_c" 1>&6
-echo "configure:2295: checking for main in -lld" >&5
+echo "configure:2298: checking for main in -lld" >&5
 ac_lib_var=`echo ld'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2299,14 +2302,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2303 "configure"
+#line 2306 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2310: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2313: \"$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
@@ -2334,7 +2337,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lcompat""... $ac_c" 1>&6
-echo "configure:2338: checking for main in -lcompat" >&5
+echo "configure:2341: checking for main in -lcompat" >&5
 ac_lib_var=`echo compat'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2342,14 +2345,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcompat  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2346 "configure"
+#line 2349 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2353: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2356: \"$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
@@ -2377,7 +2380,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lBSD""... $ac_c" 1>&6
-echo "configure:2381: checking for main in -lBSD" >&5
+echo "configure:2384: checking for main in -lBSD" >&5
 ac_lib_var=`echo BSD'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2385,14 +2388,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lBSD  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2389 "configure"
+#line 2392 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2396: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2399: \"$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
@@ -2420,7 +2423,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lcrypt""... $ac_c" 1>&6
-echo "configure:2424: checking for main in -lcrypt" >&5
+echo "configure:2427: checking for main in -lcrypt" >&5
 ac_lib_var=`echo crypt'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2428,14 +2431,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcrypt  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2432 "configure"
+#line 2435 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2439: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2442: \"$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
@@ -2463,7 +2466,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lgen""... $ac_c" 1>&6
-echo "configure:2467: checking for main in -lgen" >&5
+echo "configure:2470: checking for main in -lgen" >&5
 ac_lib_var=`echo gen'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2471,14 +2474,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lgen  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2475 "configure"
+#line 2478 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2482: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2485: \"$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
@@ -2506,7 +2509,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lPW""... $ac_c" 1>&6
-echo "configure:2510: checking for main in -lPW" >&5
+echo "configure:2513: checking for main in -lPW" >&5
 ac_lib_var=`echo PW'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2514,14 +2517,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lPW  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2518 "configure"
+#line 2521 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2525: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2528: \"$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
@@ -2550,12 +2553,12 @@ fi
 
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:2554: checking for ANSI C header files" >&5
+echo "configure:2557: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2559 "configure"
+#line 2562 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -2563,7 +2566,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2567: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2570: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2580,7 +2583,7 @@ 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 2584 "configure"
+#line 2587 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -2598,7 +2601,7 @@ 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 2602 "configure"
+#line 2605 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -2619,7 +2622,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 2623 "configure"
+#line 2626 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -2630,7 +2633,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:2634: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2637: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -2654,12 +2657,12 @@ EOF
 fi
 
 echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
-echo "configure:2658: checking for sys/wait.h that is POSIX.1 compatible" >&5
+echo "configure:2661: checking for sys/wait.h that is POSIX.1 compatible" >&5
 if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2663 "configure"
+#line 2666 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -2675,7 +2678,7 @@ wait (&s);
 s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
 ; return 0; }
 EOF
-if { (eval echo configure:2679: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2682: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_sys_wait_h=yes
 else
@@ -2699,17 +2702,17 @@ for ac_hdr in limits.h unistd.h termios.h values.h sys/select.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2703: checking for $ac_hdr" >&5
+echo "configure:2706: 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 2708 "configure"
+#line 2711 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2713: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2716: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2739,17 +2742,17 @@ for ac_hdr in sys/resource.h netdb.h arpa/inet.h getopt.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2743: checking for $ac_hdr" >&5
+echo "configure:2746: 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 2748 "configure"
+#line 2751 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2753: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2756: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2779,17 +2782,17 @@ for ac_hdr in readline.h history.h dld.h crypt.h endian.h float.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2783: checking for $ac_hdr" >&5
+echo "configure:2786: 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 2788 "configure"
+#line 2791 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2793: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2796: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2819,17 +2822,17 @@ for ac_hdr in readline/history.h ieeefp.h fp_class.h netinet/in.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2823: checking for $ac_hdr" >&5
+echo "configure:2826: 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 2828 "configure"
+#line 2831 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2833: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2836: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2857,12 +2860,12 @@ done
 
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:2861: checking for working const" >&5
+echo "configure:2864: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2866 "configure"
+#line 2869 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -2911,7 +2914,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:2915: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2918: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -2932,12 +2935,12 @@ EOF
 fi
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:2936: checking for uid_t in sys/types.h" >&5
+echo "configure:2939: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2941 "configure"
+#line 2944 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -2966,21 +2969,21 @@ EOF
 fi
 
 echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:2970: checking for inline" >&5
+echo "configure:2973: checking for inline" >&5
 if eval "test \"`echo '$''{'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 2977 "configure"
+#line 2980 "configure"
 #include "confdefs.h"
 
 int main() {
 } $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:2984: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2987: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_inline=$ac_kw; break
 else
@@ -3006,12 +3009,12 @@ EOF
 esac
 
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:3010: checking for mode_t" >&5
+echo "configure:3013: checking for mode_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3015 "configure"
+#line 3018 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -3039,12 +3042,12 @@ EOF
 fi
 
 echo $ac_n "checking for off_t""... $ac_c" 1>&6
-echo "configure:3043: checking for off_t" >&5
+echo "configure:3046: checking for off_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_off_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3048 "configure"
+#line 3051 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -3072,12 +3075,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:3076: checking for size_t" >&5
+echo "configure:3079: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3081 "configure"
+#line 3084 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -3105,12 +3108,12 @@ EOF
 fi
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:3109: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:3112: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3114 "configure"
+#line 3117 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -3119,7 +3122,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:3123: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3126: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -3140,12 +3143,12 @@ EOF
 fi
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:3144: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:3147: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3149 "configure"
+#line 3152 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -3153,7 +3156,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:3157: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3160: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -3175,16 +3178,16 @@ fi
 
 
 echo $ac_n "checking for int timezone""... $ac_c" 1>&6
-echo "configure:3179: checking for int timezone" >&5
+echo "configure:3182: checking for int timezone" >&5
 cat > conftest.$ac_ext <<EOF
-#line 3181 "configure"
+#line 3184 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 int res = timezone / 60; 
 ; return 0; }
 EOF
-if { (eval echo configure:3188: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3191: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_INT_TIMEZONE 1
@@ -3199,9 +3202,9 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking for union semun""... $ac_c" 1>&6
-echo "configure:3203: checking for union semun" >&5
+echo "configure:3206: checking for union semun" >&5
 cat > conftest.$ac_ext <<EOF
-#line 3205 "configure"
+#line 3208 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/ipc.h>
@@ -3210,7 +3213,7 @@ int main() {
 union semun semun;
 ; return 0; }
 EOF
-if { (eval echo configure:3214: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3217: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_UNION_SEMUN 1
@@ -3226,13 +3229,13 @@ rm -f conftest*
 
 if test $ac_cv_prog_gcc = yes; then
     echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
-echo "configure:3230: checking whether ${CC-cc} needs -traditional" >&5
+echo "configure:3233: 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 3236 "configure"
+#line 3239 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
@@ -3250,7 +3253,7 @@ rm -f conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 3254 "configure"
+#line 3257 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
@@ -3272,7 +3275,7 @@ echo "$ac_t""$ac_cv_prog_gcc_traditional" 1>&6
 fi
 
 echo $ac_n "checking for 8-bit clean memcmp""... $ac_c" 1>&6
-echo "configure:3276: checking for 8-bit clean memcmp" >&5
+echo "configure:3279: checking for 8-bit clean memcmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_memcmp_clean'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3280,7 +3283,7 @@ else
   ac_cv_func_memcmp_clean=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 3284 "configure"
+#line 3287 "configure"
 #include "confdefs.h"
 
 main()
@@ -3290,7 +3293,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3294: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3297: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_memcmp_clean=yes
 else
@@ -3308,12 +3311,12 @@ echo "$ac_t""$ac_cv_func_memcmp_clean" 1>&6
 test $ac_cv_func_memcmp_clean = no && LIBOBJS="$LIBOBJS memcmp.o"
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:3312: checking return type of signal handlers" >&5
+echo "configure:3315: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3317 "configure"
+#line 3320 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -3330,7 +3333,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:3334: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3337: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -3349,12 +3352,12 @@ EOF
 
 
 echo $ac_n "checking for vprintf""... $ac_c" 1>&6
-echo "configure:3353: checking for vprintf" >&5
+echo "configure:3356: checking for vprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3358 "configure"
+#line 3361 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vprintf(); below.  */
@@ -3377,7 +3380,7 @@ vprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3381: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3384: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_vprintf=yes"
 else
@@ -3401,12 +3404,12 @@ fi
 
 if test "$ac_cv_func_vprintf" != yes; then
 echo $ac_n "checking for _doprnt""... $ac_c" 1>&6
-echo "configure:3405: checking for _doprnt" >&5
+echo "configure:3408: checking for _doprnt" >&5
 if eval "test \"`echo '$''{'ac_cv_func__doprnt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3410 "configure"
+#line 3413 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char _doprnt(); below.  */
@@ -3429,7 +3432,7 @@ _doprnt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3433: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3436: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func__doprnt=yes"
 else
@@ -3456,12 +3459,12 @@ fi
 for ac_func in tzset vfork memmove sigsetjmp kill sysconf fpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3460: checking for $ac_func" >&5
+echo "configure:3463: 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 3465 "configure"
+#line 3468 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3484,7 +3487,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3488: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3491: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3511,12 +3514,12 @@ done
 for ac_func in fp_class fp_class_d class
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3515: checking for $ac_func" >&5
+echo "configure:3518: 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 3520 "configure"
+#line 3523 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3539,7 +3542,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3543: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3546: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3566,12 +3569,12 @@ done
 for ac_func in sigprocmask waitpid setsid fcvt
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3570: checking for $ac_func" >&5
+echo "configure:3573: 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 3575 "configure"
+#line 3578 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3594,7 +3597,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3598: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3601: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3619,12 +3622,12 @@ fi
 done
 
 echo $ac_n "checking for isinf""... $ac_c" 1>&6
-echo "configure:3623: checking for isinf" >&5
+echo "configure:3626: checking for isinf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_isinf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3628 "configure"
+#line 3631 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char isinf(); below.  */
@@ -3647,7 +3650,7 @@ isinf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3651: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3654: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_isinf=yes"
 else
@@ -3672,12 +3675,12 @@ fi
 
 
 echo $ac_n "checking for getrusage""... $ac_c" 1>&6
-echo "configure:3676: checking for getrusage" >&5
+echo "configure:3679: checking for getrusage" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getrusage'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3681 "configure"
+#line 3684 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getrusage(); below.  */
@@ -3700,7 +3703,7 @@ getrusage();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3704: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3707: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_getrusage=yes"
 else
@@ -3725,12 +3728,12 @@ fi
 
 
 echo $ac_n "checking for srandom""... $ac_c" 1>&6
-echo "configure:3729: checking for srandom" >&5
+echo "configure:3732: checking for srandom" >&5
 if eval "test \"`echo '$''{'ac_cv_func_srandom'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3734 "configure"
+#line 3737 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char srandom(); below.  */
@@ -3753,7 +3756,7 @@ srandom();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3757: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3760: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_srandom=yes"
 else
@@ -3778,12 +3781,12 @@ fi
 
 
 echo $ac_n "checking for gethostname""... $ac_c" 1>&6
-echo "configure:3782: checking for gethostname" >&5
+echo "configure:3785: checking for gethostname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3787 "configure"
+#line 3790 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostname(); below.  */
@@ -3806,7 +3809,7 @@ gethostname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3810: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3813: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_gethostname=yes"
 else
@@ -3831,12 +3834,12 @@ fi
 
 
 echo $ac_n "checking for random""... $ac_c" 1>&6
-echo "configure:3835: checking for random" >&5
+echo "configure:3838: checking for random" >&5
 if eval "test \"`echo '$''{'ac_cv_func_random'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3840 "configure"
+#line 3843 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char random(); below.  */
@@ -3859,7 +3862,7 @@ random();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3863: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3866: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_random=yes"
 else
@@ -3884,12 +3887,12 @@ fi
 
 
 echo $ac_n "checking for inet_aton""... $ac_c" 1>&6
-echo "configure:3888: checking for inet_aton" >&5
+echo "configure:3891: checking for inet_aton" >&5
 if eval "test \"`echo '$''{'ac_cv_func_inet_aton'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3893 "configure"
+#line 3896 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char inet_aton(); below.  */
@@ -3912,7 +3915,7 @@ inet_aton();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3916: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3919: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_inet_aton=yes"
 else
@@ -3937,12 +3940,12 @@ fi
 
 
 echo $ac_n "checking for strerror""... $ac_c" 1>&6
-echo "configure:3941: checking for strerror" >&5
+echo "configure:3944: checking for strerror" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strerror'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3946 "configure"
+#line 3949 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strerror(); below.  */
@@ -3965,7 +3968,7 @@ strerror();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3969: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3972: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_strerror=yes"
 else
@@ -3991,12 +3994,12 @@ fi
 
 
 echo $ac_n "checking for strdup""... $ac_c" 1>&6
-echo "configure:3995: checking for strdup" >&5
+echo "configure:3998: checking for strdup" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strdup'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4000 "configure"
+#line 4003 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strdup(); below.  */
@@ -4019,7 +4022,7 @@ strdup();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4023: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4026: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_strdup=yes"
 else
@@ -4044,12 +4047,12 @@ fi
 
 
 echo $ac_n "checking for strtol""... $ac_c" 1>&6
-echo "configure:4048: checking for strtol" >&5
+echo "configure:4051: checking for strtol" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtol'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4053 "configure"
+#line 4056 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtol(); below.  */
@@ -4072,7 +4075,7 @@ strtol();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4076: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4079: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_strtol=yes"
 else
@@ -4096,12 +4099,12 @@ STRDUP='strtol.o'
 fi
 
 echo $ac_n "checking for strcasecmp""... $ac_c" 1>&6
-echo "configure:4100: checking for strcasecmp" >&5
+echo "configure:4103: checking for strcasecmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strcasecmp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4105 "configure"
+#line 4108 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strcasecmp(); below.  */
@@ -4124,7 +4127,7 @@ strcasecmp();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4128: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4131: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_strcasecmp=yes"
 else
@@ -4149,12 +4152,12 @@ fi
 
 
 echo $ac_n "checking for cbrt""... $ac_c" 1>&6
-echo "configure:4153: checking for cbrt" >&5
+echo "configure:4156: checking for cbrt" >&5
 if eval "test \"`echo '$''{'ac_cv_func_cbrt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4158 "configure"
+#line 4161 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char cbrt(); below.  */
@@ -4177,7 +4180,7 @@ cbrt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4181: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4184: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_cbrt=yes"
 else
@@ -4198,7 +4201,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for cbrt in -lm""... $ac_c" 1>&6
-echo "configure:4202: checking for cbrt in -lm" >&5
+echo "configure:4205: checking for cbrt in -lm" >&5
 ac_lib_var=`echo m'_'cbrt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4206,7 +4209,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4210 "configure"
+#line 4213 "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
@@ -4217,7 +4220,7 @@ int main() {
 cbrt()
 ; return 0; }
 EOF
-if { (eval echo configure:4221: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4224: \"$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
@@ -4243,12 +4246,12 @@ fi
 fi
 
 echo $ac_n "checking for rint""... $ac_c" 1>&6
-echo "configure:4247: checking for rint" >&5
+echo "configure:4250: checking for rint" >&5
 if eval "test \"`echo '$''{'ac_cv_func_rint'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4252 "configure"
+#line 4255 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char rint(); below.  */
@@ -4271,7 +4274,7 @@ rint();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4275: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4278: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_rint=yes"
 else
@@ -4292,7 +4295,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for rint in -lm""... $ac_c" 1>&6
-echo "configure:4296: checking for rint in -lm" >&5
+echo "configure:4299: checking for rint in -lm" >&5
 ac_lib_var=`echo m'_'rint | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4300,7 +4303,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4304 "configure"
+#line 4307 "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
@@ -4311,7 +4314,7 @@ int main() {
 rint()
 ; return 0; }
 EOF
-if { (eval echo configure:4315: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4318: \"$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
@@ -4338,7 +4341,7 @@ fi
 
 
 echo $ac_n "checking setting USE_LOCALE""... $ac_c" 1>&6
-echo "configure:4342: checking setting USE_LOCALE" >&5
+echo "configure:4345: checking setting USE_LOCALE" >&5
 if test "$USE_LOCALE" = "yes"
 then
 	echo "$ac_t""enabled" 1>&6
@@ -4350,13 +4353,1198 @@ else
 	echo "$ac_t""disabled" 1>&6
 fi
 echo $ac_n "checking setting DEF_PGPORT""... $ac_c" 1>&6
-echo "configure:4354: checking setting DEF_PGPORT" >&5
+echo "configure:4357: checking setting DEF_PGPORT" >&5
 cat >> confdefs.h <<EOF
 #define DEF_PGPORT "${DEF_PGPORT}"
 EOF
 
 echo "$ac_t""$DEF_PGPORT" 1>&6
 
+
+if test "$USE_X" = true; then
+
+ice_save_LIBS="$LIBS"
+ice_save_CFLAGS="$CFLAGS"
+ice_save_CPPFLAGS="$CPPFLAGS"
+ice_save_LDFLAGS="$LDFLAGS"
+
+# If we find X, set shell vars x_includes and x_libraries to the
+# paths, otherwise set no_x=yes.
+# 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""... $ac_c" 1>&6
+echo "configure:4377: checking for X" >&5
+
+# Check whether --with-x or --without-x was given.
+if test "${with_x+set}" = set; then
+  withval="$with_x"
+  :
+fi
+
+# $have_x is `yes', `no', `disabled', or empty when we do not yet know.
+if test "x$with_x" = xno; then
+  # The user explicitly disabled X.
+  have_x=disabled
+else
+  if test "x$x_includes" != xNONE && test "x$x_libraries" != xNONE; then
+    # Both variables are already set.
+    have_x=yes
+  else
+if eval "test \"`echo '$''{'ac_cv_have_x'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  # One or both of the vars are not set, and there is no cached value.
+ac_x_includes=NO ac_x_libraries=NO
+rm -fr conftestdir
+if mkdir conftestdir; then
+  cd conftestdir
+  # Make sure to not put "make" in the Imakefile rules, since we grep it out.
+  cat > Imakefile <<'EOF'
+acfindx:
+	@echo 'ac_im_incroot="${INCROOT}"; ac_im_usrlibdir="${USRLIBDIR}"; ac_im_libdir="${LIBDIR}"'
+EOF
+  if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
+    # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+    eval `${MAKE-make} acfindx 2>/dev/null | grep -v make`
+    # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR.
+    for ac_extension in a so sl; do
+      if test ! -f $ac_im_usrlibdir/libX11.$ac_extension &&
+        test -f $ac_im_libdir/libX11.$ac_extension; then
+        ac_im_usrlibdir=$ac_im_libdir; break
+      fi
+    done
+    # Screen out bogus values from the imake configuration.  They are
+    # bogus both because they are the default anyway, and because
+    # using them would break gcc on systems where it needs fixed includes.
+    case "$ac_im_incroot" in
+	/usr/include) ;;
+	*) test -f "$ac_im_incroot/X11/Xos.h" && ac_x_includes="$ac_im_incroot" ;;
+    esac
+    case "$ac_im_usrlibdir" in
+	/usr/lib | /lib) ;;
+	*) test -d "$ac_im_usrlibdir" && ac_x_libraries="$ac_im_usrlibdir" ;;
+    esac
+  fi
+  cd ..
+  rm -fr conftestdir
+fi
+
+if test "$ac_x_includes" = NO; then
+  # Guess where to find include files, by looking for this one X11 .h file.
+  test -z "$x_direct_test_include" && x_direct_test_include=X11/Intrinsic.h
+
+  # First, try using that file with no special directory specified.
+cat > conftest.$ac_ext <<EOF
+#line 4439 "configure"
+#include "confdefs.h"
+#include <$x_direct_test_include>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:4444: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  # We can compile using X headers with no special include directory.
+ac_x_includes=
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  # Look for the header file in a standard set of common directories.
+# Check X11 before X11Rn because it is often a symlink to the current release.
+  for ac_dir in               \
+    /usr/X11/include          \
+    /usr/X11R6/include        \
+    /usr/X11R5/include        \
+    /usr/X11R4/include        \
+                              \
+    /usr/include/X11          \
+    /usr/include/X11R6        \
+    /usr/include/X11R5        \
+    /usr/include/X11R4        \
+                              \
+    /usr/local/X11/include    \
+    /usr/local/X11R6/include  \
+    /usr/local/X11R5/include  \
+    /usr/local/X11R4/include  \
+                              \
+    /usr/local/include/X11    \
+    /usr/local/include/X11R6  \
+    /usr/local/include/X11R5  \
+    /usr/local/include/X11R4  \
+                              \
+    /usr/X386/include         \
+    /usr/x386/include         \
+    /usr/XFree86/include/X11  \
+                              \
+    /usr/include              \
+    /usr/local/include        \
+    /usr/unsupported/include  \
+    /usr/athena/include       \
+    /usr/local/x11r5/include  \
+    /usr/lpp/Xamples/include  \
+                              \
+    /usr/openwin/include      \
+    /usr/openwin/share/include \
+    ; \
+  do
+    if test -r "$ac_dir/$x_direct_test_include"; then
+      ac_x_includes=$ac_dir
+      break
+    fi
+  done
+fi
+rm -f conftest*
+fi # $ac_x_includes = NO
+
+if test "$ac_x_libraries" = NO; then
+  # Check for the libraries.
+
+  test -z "$x_direct_test_library" && x_direct_test_library=Xt
+  test -z "$x_direct_test_function" && x_direct_test_function=XtMalloc
+
+  # See if we find them without any special options.
+  # Don't add to $LIBS permanently.
+  ac_save_LIBS="$LIBS"
+  LIBS="-l$x_direct_test_library $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 4513 "configure"
+#include "confdefs.h"
+
+int main() {
+${x_direct_test_function}()
+; return 0; }
+EOF
+if { (eval echo configure:4520: \"$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.
+ac_x_libraries=
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  LIBS="$ac_save_LIBS"
+# First see if replacing the include by lib works.
+# Check X11 before X11Rn because it is often a symlink to the current release.
+for ac_dir in `echo "$ac_x_includes" | sed s/include/lib/` \
+    /usr/X11/lib          \
+    /usr/X11R6/lib        \
+    /usr/X11R5/lib        \
+    /usr/X11R4/lib        \
+                          \
+    /usr/lib/X11          \
+    /usr/lib/X11R6        \
+    /usr/lib/X11R5        \
+    /usr/lib/X11R4        \
+                          \
+    /usr/local/X11/lib    \
+    /usr/local/X11R6/lib  \
+    /usr/local/X11R5/lib  \
+    /usr/local/X11R4/lib  \
+                          \
+    /usr/local/lib/X11    \
+    /usr/local/lib/X11R6  \
+    /usr/local/lib/X11R5  \
+    /usr/local/lib/X11R4  \
+                          \
+    /usr/X386/lib         \
+    /usr/x386/lib         \
+    /usr/XFree86/lib/X11  \
+                          \
+    /usr/lib              \
+    /usr/local/lib        \
+    /usr/unsupported/lib  \
+    /usr/athena/lib       \
+    /usr/local/x11r5/lib  \
+    /usr/lpp/Xamples/lib  \
+    /lib/usr/lib/X11	  \
+                          \
+    /usr/openwin/lib      \
+    /usr/openwin/share/lib \
+    ; \
+do
+  for ac_extension in a so sl; do
+    if test -r $ac_dir/lib${x_direct_test_library}.$ac_extension; then
+      ac_x_libraries=$ac_dir
+      break 2
+    fi
+  done
+done
+fi
+rm -f conftest*
+fi # $ac_x_libraries = NO
+
+if test "$ac_x_includes" = NO || test "$ac_x_libraries" = NO; then
+  # Didn't find X anywhere.  Cache the known absence of X.
+  ac_cv_have_x="have_x=no"
+else
+  # Record where we found X for the cache.
+  ac_cv_have_x="have_x=yes \
+	        ac_x_includes=$ac_x_includes ac_x_libraries=$ac_x_libraries"
+fi
+fi
+  fi
+  eval "$ac_cv_have_x"
+fi # $with_x != no
+
+if test "$have_x" != yes; then
+  echo "$ac_t""$have_x" 1>&6
+  no_x=yes
+else
+  # If each of the values was on the command line, it overrides each guess.
+  test "x$x_includes" = xNONE && x_includes=$ac_x_includes
+  test "x$x_libraries" = xNONE && x_libraries=$ac_x_libraries
+  # Update the cache value to reflect the command line values.
+  ac_cv_have_x="have_x=yes \
+		ac_x_includes=$x_includes ac_x_libraries=$x_libraries"
+  echo "$ac_t""libraries $x_libraries, headers $x_includes" 1>&6
+fi
+
+if test "$no_x" = yes; then
+  # Not all programs may use this symbol, but it does not hurt to define it.
+  cat >> confdefs.h <<\EOF
+#define X_DISPLAY_MISSING 1
+EOF
+
+  X_CFLAGS= X_PRE_LIBS= X_LIBS= X_EXTRA_LIBS=
+else
+  if test -n "$x_includes"; then
+    X_CFLAGS="$X_CFLAGS -I$x_includes"
+  fi
+
+  # It would also be nice to do this for all -L options, not just this one.
+  if test -n "$x_libraries"; then
+    X_LIBS="$X_LIBS -L$x_libraries"
+    # For Solaris; some versions of Sun CC require a space after -R and
+    # others require no space.  Words are not sufficient . . . .
+    case "`(uname -sr) 2>/dev/null`" in
+    "SunOS 5"*)
+      echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
+echo "configure:4626: checking whether -R must be followed by a space" >&5
+      ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
+      cat > conftest.$ac_ext <<EOF
+#line 4629 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:4636: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  ac_R_nospace=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_R_nospace=no
+fi
+rm -f conftest*
+      if test $ac_R_nospace = yes; then
+	echo "$ac_t""no" 1>&6
+	X_LIBS="$X_LIBS -R$x_libraries"
+      else
+	LIBS="$ac_xsave_LIBS -R $x_libraries"
+	cat > conftest.$ac_ext <<EOF
+#line 4652 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:4659: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  ac_R_space=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_R_space=no
+fi
+rm -f conftest*
+	if test $ac_R_space = yes; then
+	  echo "$ac_t""yes" 1>&6
+	  X_LIBS="$X_LIBS -R $x_libraries"
+	else
+	  echo "$ac_t""neither works" 1>&6
+	fi
+      fi
+      LIBS="$ac_xsave_LIBS"
+    esac
+  fi
+
+  # Check for system-dependent libraries X programs must link with.
+  # Do this before checking for the system-independent R6 libraries
+  # (-lICE), since we may need -lsocket or whatever for X linking.
+
+  if test "$ISC" = yes; then
+    X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl_s -linet"
+  else
+    # Martyn.Johnson@cl.cam.ac.uk says this is needed for Ultrix, if the X
+    # 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""... $ac_c" 1>&6
+echo "configure:4691: checking for dnet_ntoa in -ldnet" >&5
+ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-ldnet  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 4699 "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 dnet_ntoa();
+
+int main() {
+dnet_ntoa()
+; return 0; }
+EOF
+if { (eval echo configure:4710: \"$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
+  X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+    if test $ac_cv_lib_dnet_dnet_ntoa = no; then
+      echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
+echo "configure:4732: checking for dnet_ntoa in -ldnet_stub" >&5
+ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-ldnet_stub  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 4740 "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 dnet_ntoa();
+
+int main() {
+dnet_ntoa()
+; return 0; }
+EOF
+if { (eval echo configure:4751: \"$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
+  X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+    fi
+
+    # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
+    # to get the SysV transport functions.
+    # chad@anasazi.com says the Pyramis MIS-ES running DC/OSx (SVR4)
+    # needs -lnsl.
+    # 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""... $ac_c" 1>&6
+echo "configure:4780: checking for gethostbyname" >&5
+if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 4785 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char gethostbyname(); 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 gethostbyname();
+
+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_gethostbyname) || defined (__stub___gethostbyname)
+choke me
+#else
+gethostbyname();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:4808: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_gethostbyname=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_gethostbyname=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+    if test $ac_cv_func_gethostbyname = no; then
+      echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
+echo "configure:4829: checking for gethostbyname in -lnsl" >&5
+ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lnsl  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 4837 "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 gethostbyname();
+
+int main() {
+gethostbyname()
+; return 0; }
+EOF
+if { (eval echo configure:4848: \"$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
+  X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+    fi
+
+    # lieder@skyler.mavd.honeywell.com says without -lsocket,
+    # socket/setsockopt and other routines are undefined under SCO ODT
+    # 2.0.  But -lsocket is broken on IRIX 5.2 (and is not necessary
+    # on later versions), says simon@lia.di.epfl.ch: it contains
+    # gethostby* variants that don't use the nameserver (or something).
+    # -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""... $ac_c" 1>&6
+echo "configure:4878: checking for connect" >&5
+if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 4883 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char connect(); 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 connect();
+
+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_connect) || defined (__stub___connect)
+choke me
+#else
+connect();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:4906: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_connect=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_connect=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'connect`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+    if test $ac_cv_func_connect = no; then
+      echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
+echo "configure:4927: checking for connect in -lsocket" >&5
+ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 4935 "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 connect();
+
+int main() {
+connect()
+; return 0; }
+EOF
+if { (eval echo configure:4946: \"$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
+  X_EXTRA_LIBS="-lsocket $X_EXTRA_LIBS"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+    fi
+
+    # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
+    echo $ac_n "checking for remove""... $ac_c" 1>&6
+echo "configure:4970: checking for remove" >&5
+if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 4975 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char remove(); 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 remove();
+
+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_remove) || defined (__stub___remove)
+choke me
+#else
+remove();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:4998: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_remove=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_remove=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'remove`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+    if test $ac_cv_func_remove = no; then
+      echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
+echo "configure:5019: checking for remove in -lposix" >&5
+ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lposix  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5027 "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 remove();
+
+int main() {
+remove()
+; return 0; }
+EOF
+if { (eval echo configure:5038: \"$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
+  X_EXTRA_LIBS="$X_EXTRA_LIBS -lposix"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+    fi
+
+    # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
+    echo $ac_n "checking for shmat""... $ac_c" 1>&6
+echo "configure:5062: checking for shmat" >&5
+if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5067 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char shmat(); 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 shmat();
+
+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_shmat) || defined (__stub___shmat)
+choke me
+#else
+shmat();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:5090: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_shmat=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_shmat=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'shmat`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+    if test $ac_cv_func_shmat = no; then
+      echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
+echo "configure:5111: checking for shmat in -lipc" >&5
+ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lipc  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5119 "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 shmat();
+
+int main() {
+shmat()
+; return 0; }
+EOF
+if { (eval echo configure:5130: \"$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
+  X_EXTRA_LIBS="$X_EXTRA_LIBS -lipc"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+    fi
+  fi
+
+  # Check for libraries that X11R6 Xt/Xaw programs need.
+  ac_save_LDFLAGS="$LDFLAGS"
+  test -n "$x_libraries" && LDFLAGS="$LDFLAGS -L$x_libraries"
+  # SM needs ICE to (dynamically) link under SunOS 4.x (so we have to
+  # check for ICE first), but we must link in the order -lSM -lICE or
+  # we get undefined symbols.  So assume we have SM if we have ICE.
+  # These have to be linked with before -lX11, unlike the other
+  # 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""... $ac_c" 1>&6
+echo "configure:5163: checking for IceConnectionNumber in -lICE" >&5
+ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lICE  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5171 "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 IceConnectionNumber();
+
+int main() {
+IceConnectionNumber()
+; return 0; }
+EOF
+if { (eval echo configure:5182: \"$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
+  X_PRE_LIBS="$X_PRE_LIBS -lSM -lICE"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  LDFLAGS="$ac_save_LDFLAGS"
+
+fi
+
+
+LIBS="$LIBS $X_EXTRA_LIBS"
+CFLAGS="$CFLAGS $X_CFLAGS"
+CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+LDFLAGS="$LDFLAGS $X_LIBS"
+
+
+X11_LIBS=""
+echo $ac_n "checking for XOpenDisplay in -lX11""... $ac_c" 1>&6
+echo "configure:5215: checking for XOpenDisplay in -lX11" >&5
+ac_lib_var=`echo X11'_'XOpenDisplay | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lX11 ${X_PRE_LIBS} $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5223 "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 XOpenDisplay();
+
+int main() {
+XOpenDisplay()
+; return 0; }
+EOF
+if { (eval echo configure:5234: \"$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
+  X11_LIBS="-lX11"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+if test "$X11_LIBS" = ""; then
+echo "configure: warning: The X11 library '-lX11' could not be found.
+                    Please use the configure options '--x-includes=DIR'
+                    and '--x-libraries=DIR' to specify the X location.
+                    See the file 'config.log' for further diagnostics." 1>&2
+fi
+
+
+
+
+LIBS="$ice_save_LIBS"
+CFLAGS="$ice_save_CFLAGS"
+CPPFLAGS="$ice_save_CPPFLAGS"
+LDFLAGS="$ice_save_LDFLAGS"
+fi
+
+
+if test "$USE_TCL" = "true"
+then
+TCL_INCDIR=no
+ac_safe=`echo "tcl.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for tcl.h""... $ac_c" 1>&6
+echo "configure:5276: checking for tcl.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5281 "configure"
+#include "confdefs.h"
+#include <tcl.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5286: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  TCL_INCDIR=
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+for f in /usr/include /usr/include/tcl8.0 /usr/local/include /usr/local/include/tcl8.0; do
+if test "$TCL_INCDIR" = "no"; then
+ac_safe=`echo "$f/tcl.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $f/tcl.h""... $ac_c" 1>&6
+echo "configure:5311: checking for $f/tcl.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5316 "configure"
+#include "confdefs.h"
+#include <$f/tcl.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5321: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  TCL_INCDIR=$f
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+fi
+done
+if test "$TCL_INCDIR" = "no"; then
+echo "configure: warning: tcl support disabled; tcl.h missing" 1>&2
+USE_TCL=
+fi
+
+fi
+
+if test "$USE_TCL" = "true"
+then
+TCL_LIB=
+for f in tcl8.0 tcl80; do
+if test -z "$TCL_LIB"; then
+echo $ac_n "checking for main in -l$f""... $ac_c" 1>&6
+echo "configure:5357: checking for main in -l$f" >&5
+ac_lib_var=`echo $f'_'main | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-l$f  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5365 "configure"
+#include "confdefs.h"
+
+int main() {
+main()
+; return 0; }
+EOF
+if { (eval echo configure:5372: \"$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
+  TCL_LIB=$f
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+fi
+done
+if test -z "$TCL_LIB"; then
+echo "configure: warning: tcl support disabled; Tcl library missing" 1>&2
+USE_TCL=
+else
+TCL_LIB=-l$TCL_LIB
+fi
+
+fi
+
+
+if test "$USE_TCL" = "true"
+then
+
+ice_save_LIBS="$LIBS"
+ice_save_CFLAGS="$CFLAGS"
+ice_save_CPPFLAGS="$CPPFLAGS"
+ice_save_LDFLAGS="$LDFLAGS"
+
+CPPFLAGS="$CPPFLAGS $X_CFLAGS -I$TCL_INCDIR"
+
+TK_INCDIR=no
+ac_safe=`echo "tk.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for tk.h""... $ac_c" 1>&6
+echo "configure:5417: checking for tk.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5422 "configure"
+#include "confdefs.h"
+#include <tk.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5427: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  TK_INCDIR=
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+for f in /usr/include /usr/include/tk8.0 /usr/local/include /usr/local/include/tk8.0; do
+if test "$TK_INCDIR" = "no"; then
+ac_safe=`echo "$f/tk.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $f/tk.h""... $ac_c" 1>&6
+echo "configure:5452: checking for $f/tk.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5457 "configure"
+#include "confdefs.h"
+#include <$f/tk.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5462: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  TK_INCDIR=$f
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+fi
+done
+if test "$TK_INCDIR" = "no"; then
+echo "configure: warning: tcl support disabled; tk.h missing" 1>&2
+USE_TCL=
+fi
+
+
+LIBS="$ice_save_LIBS"
+CFLAGS="$ice_save_CFLAGS"
+CPPFLAGS="$ice_save_CPPFLAGS"
+LDFLAGS="$ice_save_LDFLAGS"
+fi
+
+if test "$USE_TCL" = "true"
+then
+TK_LIB=
+for f in tk8.0 tk80; do
+if test -z "$TK_LIB"; then
+echo $ac_n "checking for main in -l$f""... $ac_c" 1>&6
+echo "configure:5503: checking for main in -l$f" >&5
+ac_lib_var=`echo $f'_'main | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-l$f  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5511 "configure"
+#include "confdefs.h"
+
+int main() {
+main()
+; return 0; }
+EOF
+if { (eval echo configure:5518: \"$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
+  TK_LIB=$f
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+fi
+done
+if test -z "$TK_LIB"; then
+echo "configure: warning: tcl support disabled; Tk library missing" 1>&2
+USE_TCL=
+else
+TK_LIB=-l$TK_LIB
+fi
+
+fi
+
 trap '' 1 2 15
 cat > confcache <<\EOF
 # This file is a shell script that caches the results of configure
@@ -4538,6 +5726,15 @@ s%@STRERROR@%$STRERROR%g
 s%@STRERROR2@%$STRERROR2%g
 s%@STRDUP@%$STRDUP%g
 s%@STRCASECMP@%$STRCASECMP%g
+s%@X_CFLAGS@%$X_CFLAGS%g
+s%@X_PRE_LIBS@%$X_PRE_LIBS%g
+s%@X_LIBS@%$X_LIBS%g
+s%@X_EXTRA_LIBS@%$X_EXTRA_LIBS%g
+s%@X11_LIBS@%$X11_LIBS%g
+s%@TCL_INCDIR@%$TCL_INCDIR%g
+s%@TCL_LIB@%$TCL_LIB%g
+s%@TK_INCDIR@%$TK_INCDIR%g
+s%@TK_LIB@%$TK_LIB%g
 
 CEOF
 EOF
diff --git a/src/configure.in b/src/configure.in
index 0db08480d9..927cff72ad 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -229,6 +229,7 @@ else
 	USE_TCL=
 fi
 export USE_TCL
+USE_X=$USE_TCL
 
 dnl We exclude perl support unless we override it with --with-perl
 if test "X$with_perl" = "Xyes"
@@ -515,4 +516,130 @@ AC_MSG_CHECKING(setting DEF_PGPORT)
 AC_DEFINE_UNQUOTED(DEF_PGPORT, "${DEF_PGPORT}")
 AC_MSG_RESULT($DEF_PGPORT)
 
+dnl Check for X libraries
+
+if test "$USE_X" = true; then
+
+ice_save_LIBS="$LIBS"
+ice_save_CFLAGS="$CFLAGS"
+ice_save_CPPFLAGS="$CPPFLAGS"
+ice_save_LDFLAGS="$LDFLAGS"
+
+AC_PATH_XTRA
+
+LIBS="$LIBS $X_EXTRA_LIBS"
+CFLAGS="$CFLAGS $X_CFLAGS"
+CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+LDFLAGS="$LDFLAGS $X_LIBS"
+
+dnl Check for X library
+
+X11_LIBS=""
+AC_CHECK_LIB(X11, XOpenDisplay, X11_LIBS="-lX11",,${X_PRE_LIBS})
+if test "$X11_LIBS" = ""; then
+dnl Not having X may be fatal.  Let the user fix this.
+AC_MSG_WARN([The X11 library '-lX11' could not be found.
+                    Please use the configure options '--x-includes=DIR'
+                    and '--x-libraries=DIR' to specify the X location.
+                    See the file 'config.log' for further diagnostics.])
+fi
+AC_SUBST(X_LIBS)
+AC_SUBST(X11_LIBS)
+AC_SUBST(X_PRE_LIBS)
+
+LIBS="$ice_save_LIBS"
+CFLAGS="$ice_save_CFLAGS"
+CPPFLAGS="$ice_save_CPPFLAGS"
+LDFLAGS="$ice_save_LDFLAGS"
+fi
+
+dnl Check for location of Tcl support
+dnl Disable Tcl support if not found
+
+dnl Check for tcl.h
+if test "$USE_TCL" = "true"
+then
+TCL_INCDIR=no
+AC_CHECK_HEADER(tcl.h, TCL_INCDIR=)
+for f in /usr/include /usr/include/tcl8.0 /usr/local/include /usr/local/include/tcl8.0; do
+if test "$TCL_INCDIR" = "no"; then
+AC_CHECK_HEADER($f/tcl.h, TCL_INCDIR=$f)
+fi
+done
+if test "$TCL_INCDIR" = "no"; then
+AC_MSG_WARN(tcl support disabled; tcl.h missing)
+USE_TCL=
+fi
+AC_SUBST(TCL_INCDIR)
+fi
+
+dnl Check for Tcl archive
+if test "$USE_TCL" = "true"
+then
+TCL_LIB=
+for f in tcl8.0 tcl80; do
+if test -z "$TCL_LIB"; then
+AC_CHECK_LIB($f, main, TCL_LIB=$f)
+fi
+done
+if test -z "$TCL_LIB"; then
+AC_MSG_WARN(tcl support disabled; Tcl library missing)
+USE_TCL=
+else
+TCL_LIB=-l$TCL_LIB
+fi
+AC_SUBST(TCL_LIB)
+fi
+
+dnl Check for location of Tk support (only if Tcl used)
+dnl Disable Tcl support if Tk not found
+
+dnl Check for tk.h
+if test "$USE_TCL" = "true"
+then
+
+ice_save_LIBS="$LIBS"
+ice_save_CFLAGS="$CFLAGS"
+ice_save_CPPFLAGS="$CPPFLAGS"
+ice_save_LDFLAGS="$LDFLAGS"
+
+CPPFLAGS="$CPPFLAGS $X_CFLAGS -I$TCL_INCDIR"
+
+TK_INCDIR=no
+AC_CHECK_HEADER(tk.h, TK_INCDIR=)
+for f in /usr/include /usr/include/tk8.0 /usr/local/include /usr/local/include/tk8.0; do
+if test "$TK_INCDIR" = "no"; then
+AC_CHECK_HEADER($f/tk.h, TK_INCDIR=$f)
+fi
+done
+if test "$TK_INCDIR" = "no"; then
+AC_MSG_WARN(tcl support disabled; tk.h missing)
+USE_TCL=
+fi
+AC_SUBST(TK_INCDIR)
+
+LIBS="$ice_save_LIBS"
+CFLAGS="$ice_save_CFLAGS"
+CPPFLAGS="$ice_save_CPPFLAGS"
+LDFLAGS="$ice_save_LDFLAGS"
+fi
+
+dnl Check for Tk archive
+if test "$USE_TCL" = "true"
+then
+TK_LIB=
+for f in tk8.0 tk80; do
+if test -z "$TK_LIB"; then
+AC_CHECK_LIB($f, main, TK_LIB=$f)
+fi
+done
+if test -z "$TK_LIB"; then
+AC_MSG_WARN(tcl support disabled; Tk library missing)
+USE_TCL=
+else
+TK_LIB=-l$TK_LIB
+fi
+AC_SUBST(TK_LIB)
+fi
+
 AC_OUTPUT(GNUmakefile Makefile.global backend/port/Makefile bin/pg_version/Makefile bin/psql/Makefile bin/pg_dump/Makefile backend/utils/Gen_fmgrtab.sh interfaces/libpq/Makefile interfaces/libpgtcl/Makefile interfaces/ecpg/lib/Makefile ) 
diff --git a/src/test/regress/checkresults b/src/test/regress/checkresults
index 39783cf468..6fffa08007 100755
--- a/src/test/regress/checkresults
+++ b/src/test/regress/checkresults
@@ -7,7 +7,7 @@
 for file in `cat "$@" | grep 'failed$' | cut -d " " -f 1`
 do
 	echo "======   $file   ======"
-	diff -w expected/$file.out results
+	diff -uw expected/$file.out results
 done