* configure.ac: Check for XML_StopParser.

* xml-support.c (gdb_xml_body_text): Check for an error.
	(gdb_xml_start_element_wrapper): Conditionalize call to XML_StopParser.
	(gdb_xml_end_element_wrapper): Likewise.
	* config.in, configure: Regenerated.

gdb/ChangeLog

@@ -1,3 +1,11 @@
+2007-01-09  Daniel Jacobowitz  <dan@codesourcery.com>
+
+	* configure.ac: Check for XML_StopParser.
+	* xml-support.c (gdb_xml_body_text): Check for an error.
+	(gdb_xml_start_element_wrapper): Conditionalize call to XML_StopParser.
+	(gdb_xml_end_element_wrapper): Likewise.
+	* config.in, configure: Regenerated.
+
 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	* varobj.c (install_new_value): Always update print_value.

gdb/config.in

@@ -451,6 +451,9 @@
 /* Define to 1 if `vfork' works. */
 #undef HAVE_WORKING_VFORK
 
+/* Define to 1 if you have the `XML_StopParser' function. */
+#undef HAVE_XML_STOPPARSER
+
 /* Define to 1 if your system has the _etext variable. */
 #undef HAVE__ETEXT
 

gdb/configure

@@ -6352,6 +6352,112 @@ echo "${ECHO_T}$LIBEXPAT" >&6
 if test "$HAVE_LIBEXPAT" != yes; then
   { echo "$as_me:$LINENO: WARNING: expat is missing or unusable; some features may be disabled." >&5
 echo "$as_me: WARNING: expat is missing or unusable; some features may be disabled." >&2;}
+else
+  save_LIBS=$LIBS
+  LIBS="$LIBS $LIBEXPAT"
+
+for ac_func in XML_StopParser
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+  LIBS=$save_LIBS
 fi
 
 # ------------------------- #

gdb/configure.ac

@@ -325,6 +325,11 @@ AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
 		      [XML_Parser p = XML_ParserCreate (0);])
 if test "$HAVE_LIBEXPAT" != yes; then
   AC_MSG_WARN([expat is missing or unusable; some features may be disabled.])
+else
+  save_LIBS=$LIBS
+  LIBS="$LIBS $LIBEXPAT"
+  AC_CHECK_FUNCS(XML_StopParser)
+  LIBS=$save_LIBS
 fi
 
 # ------------------------- #

gdb/xml-support.c

@@ -81,6 +81,9 @@ gdb_xml_body_text (void *data, const XML_Char *text, int length)
   struct gdb_xml_parser *parser = data;
   struct scope_level *scope = VEC_last (scope_level_s, parser->scopes);
 
+  if (parser->error.reason < 0)
+    return;
+
   if (scope->body == NULL)
     {
       scope->body = XZALLOC (struct obstack);
@@ -286,7 +289,9 @@ gdb_xml_start_element_wrapper (void *data, const XML_Char *name,
   if (ex.reason < 0)
     {
       parser->error = ex;
+#ifdef HAVE_XML_STOPPARSER
       XML_StopParser (parser->expat_parser, XML_FALSE);
+#endif
     }
 }
 
@@ -362,7 +367,9 @@ gdb_xml_end_element_wrapper (void *data, const XML_Char *name)
   if (ex.reason < 0)
     {
       parser->error = ex;
+#ifdef HAVE_XML_STOPPARSER
       XML_StopParser (parser->expat_parser, XML_FALSE);
+#endif
     }
 }