Patch #462122: add readline startup and pre_event hooks.
diff --git a/configure b/configure
index ca245d3..d4af9b2 100755
--- a/configure
+++ b/configure
@@ -7027,10 +7027,10 @@
fi
-# check for readline 4.2
-echo $ac_n "checking for rl_completion_matches in -lreadline""... $ac_c" 1>&6
-echo "configure:7033: checking for rl_completion_matches in -lreadline" >&5
-ac_lib_var=`echo readline'_'rl_completion_matches | sed 'y%./+-%__p_%'`
+# check for readline 4.0
+echo $ac_n "checking for rl_pre_input_hook in -lreadline""... $ac_c" 1>&6
+echo "configure:7033: checking for rl_pre_input_hook in -lreadline" >&5
+ac_lib_var=`echo readline'_'rl_pre_input_hook | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7042,13 +7042,58 @@
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
+char rl_pre_input_hook();
+
+int main() {
+rl_pre_input_hook()
+; return 0; }
+EOF
+if { (eval echo configure:7052: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ eval "ac_cv_lib_$ac_lib_var=yes"
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$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 "$ac_t""yes" 1>&6
+ cat >> confdefs.h <<\EOF
+#define HAVE_RL_PRE_INPUT_HOOK 1
+EOF
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+
+# check for readline 4.2
+echo $ac_n "checking for rl_completion_matches in -lreadline""... $ac_c" 1>&6
+echo "configure:7078: checking for rl_completion_matches in -lreadline" >&5
+ac_lib_var=`echo readline'_'rl_completion_matches | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-lreadline -ltermcap $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 7086 "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 rl_completion_matches();
int main() {
rl_completion_matches()
; return 0; }
EOF
-if { (eval echo configure:7052: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7097: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -7073,7 +7118,7 @@
echo $ac_n "checking for broken nice()""... $ac_c" 1>&6
-echo "configure:7077: checking for broken nice()" >&5
+echo "configure:7122: checking for broken nice()" >&5
if eval "test \"`echo '$''{'ac_cv_broken_nice'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7082,7 +7127,7 @@
ac_cv_broken_nice=no
else
cat > conftest.$ac_ext <<EOF
-#line 7086 "configure"
+#line 7131 "configure"
#include "confdefs.h"
int main()
@@ -7094,7 +7139,7 @@
}
EOF
-if { (eval echo configure:7098: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7143: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_broken_nice=yes
else
@@ -7125,12 +7170,12 @@
#endif
EOF
echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
-echo "configure:7129: checking for socklen_t" >&5
+echo "configure:7174: checking for socklen_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 7134 "configure"
+#line 7179 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
@@ -7179,7 +7224,7 @@
SRCDIRS="Parser Grammar Objects Python Modules"
echo $ac_n "checking for build directories""... $ac_c" 1>&6
-echo "configure:7183: checking for build directories" >&5
+echo "configure:7228: checking for build directories" >&5
for dir in $SRCDIRS; do
if test ! -d $dir; then
mkdir $dir