diff --git a/configure b/configure
index b47e224a48..da2d4e0be6 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Id: configure.in 60294 2009-04-24 04:23:31Z RD .
+# From configure.in Id: configure.in 62501 2009-10-25 17:48:32Z PC .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.59 for wxWidgets 2.8.10.
 #
@@ -36738,42 +36738,44 @@ _ACEOF
 fi
 
 if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
-    echo "$as_me:$LINENO: checking for backtrace() in <execinfo.h>" >&5
-echo $ECHO_N "checking for backtrace() in <execinfo.h>... $ECHO_C" >&6
-if test "${wx_cv_func_backtrace+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-
-            ac_ext=cc
+    ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-            cat >conftest.$ac_ext <<_ACEOF
+    echo "$as_me:$LINENO: checking for library containing backtrace" >&5
+echo $ECHO_N "checking for library containing backtrace... $ECHO_C" >&6
+if test "${ac_cv_search_backtrace+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+ac_cv_search_backtrace=no
+cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <execinfo.h>
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char backtrace ();
 int
 main ()
 {
-
-                    void *trace[1];
-                    char **messages;
-
-                    backtrace(trace, 1);
-                    messages = backtrace_symbols(trace, 1);
-
+backtrace ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
+rm -f conftest.$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
@@ -36786,7 +36788,124 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
+	 { 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 $ac_status); }; }; then
+  ac_cv_search_backtrace="none required"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+if test "$ac_cv_search_backtrace" = no; then
+  for ac_lib in execinfo; do
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* 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 backtrace ();
+int
+main ()
+{
+backtrace ();
+  ;
+  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_cxx_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 $ac_status); }; }; then
+  ac_cv_search_backtrace="-l$ac_lib"
+break
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+  done
+fi
+LIBS=$ac_func_search_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_search_backtrace" >&5
+echo "${ECHO_T}$ac_cv_search_backtrace" >&6
+if test "$ac_cv_search_backtrace" != no; then
+  test "$ac_cv_search_backtrace" = "none required" || LIBS="$ac_cv_search_backtrace $LIBS"
+  echo "$as_me:$LINENO: checking for backtrace() in <execinfo.h>" >&5
+echo $ECHO_N "checking for backtrace() in <execinfo.h>... $ECHO_C" >&6
+if test "${wx_cv_func_backtrace+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.  */
+#include <execinfo.h>
+int
+main ()
+{
+
+                    void *trace[1];
+                    char **messages;
+                    backtrace(trace, 1);
+                    messages = backtrace_symbols(trace, 1);
+
+  ;
+  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_cxx_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 $ac_try) 2>&5
   ac_status=$?
@@ -36800,18 +36919,15 @@ sed 's/^/| /' conftest.$ac_ext >&5
 wx_cv_func_backtrace=no
 
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-            ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 
 fi
 echo "$as_me:$LINENO: result: $wx_cv_func_backtrace" >&5
 echo "${ECHO_T}$wx_cv_func_backtrace" >&6
+else
+  wx_cv_func_backtrace=no
+fi
 
 
     if test "$wx_cv_func_backtrace" = "no"; then
@@ -36825,12 +36941,6 @@ if test "${wx_cv_func_cxa_demangle+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-                ac_ext=cc
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
                 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -36880,12 +36990,6 @@ wx_cv_func_cxa_demangle=no
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-                ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
 
 
 fi
@@ -36899,6 +37003,12 @@ _ACEOF
 
         fi
     fi
+    ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
 fi
 
 if test "$wxUSE_STACKWALKER" = "yes" -a "$USE_WIN32" != "1" -a "$USE_UNIX" != "1"; then
diff --git a/configure.in b/configure.in
index a564e6ce50..6c733dec55 100644
--- a/configure.in
+++ b/configure.in
@@ -5034,24 +5034,21 @@ fi
 
 dnl backtrace() and backtrace_symbols() for wxStackWalker
 if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
-    AC_CACHE_CHECK([for backtrace() in <execinfo.h>], wx_cv_func_backtrace,
-        [
-            AC_LANG_PUSH(C++)
-            AC_TRY_COMPILE([#include <execinfo.h>],
+    AC_LANG_PUSH(C++)
+    AC_SEARCH_LIBS(backtrace, execinfo,
+        [AC_CACHE_CHECK([for backtrace() in <execinfo.h>], wx_cv_func_backtrace,
+            [AC_TRY_LINK([#include <execinfo.h>],
                 [
                     void *trace[1];
                     char **messages;
-
                     backtrace(trace, 1);
                     messages = backtrace_symbols(trace, 1);
                 ],
                 wx_cv_func_backtrace=yes,
                 wx_cv_func_backtrace=no
-            )
-            AC_LANG_POP()
-        ]
-    )
-
+            )]
+        )],
+        wx_cv_func_backtrace=no)
 
     if test "$wx_cv_func_backtrace" = "no"; then
         AC_MSG_WARN([backtrace() is not available, wxStackWalker will not be available])
@@ -5059,7 +5056,6 @@ if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
     else
         AC_CACHE_CHECK([for __cxa_demangle() in <cxxabi.h>], wx_cv_func_cxa_demangle,
             [
-                AC_LANG_PUSH(C++)
                 AC_TRY_LINK([#include <cxxabi.h>],
                     [
                         int rc;
@@ -5068,7 +5064,6 @@ if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
                     wx_cv_func_cxa_demangle=yes,
                     wx_cv_func_cxa_demangle=no
                 )
-                AC_LANG_POP()
             ]
         )
 
@@ -5076,6 +5071,7 @@ if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
             AC_DEFINE(HAVE_CXA_DEMANGLE)
         fi
     fi
+    AC_LANG_POP()
 fi
 
 if test "$wxUSE_STACKWALKER" = "yes" -a "$USE_WIN32" != "1" -a "$USE_UNIX" != "1"; then