+ wx_cv_class_stdhashmapset=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ wx_cv_class_stdhashmapset=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+fi
+{ echo "$as_me:$LINENO: result: $wx_cv_class_stdhashmapset" >&5
+echo "${ECHO_T}$wx_cv_class_stdhashmapset" >&6; }
+fi
+
+
+
+ if test "$wx_cv_class_stdhashmapset" = yes; then
+ cat >>confdefs.h <<\_ACEOF
+#define HAVE_HASH_MAP 1
+_ACEOF
+
+ cat >>confdefs.h <<\_ACEOF
+#define HAVE_STD_HASH_MAP 1
+_ACEOF
+
+ fi
+
+ { echo "$as_me:$LINENO: checking for ext/hash_map" >&5
+echo $ECHO_N "checking for ext/hash_map... $ECHO_C" >&6; }
+if test "${ac_cv_header_ext_hash_map+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 <ext/hash_map>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 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 $ac_status); } && {
+ test -z "$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_header_ext_hash_map=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_header_ext_hash_map=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ext_hash_map" >&5
+echo "${ECHO_T}$ac_cv_header_ext_hash_map" >&6; }
+if test $ac_cv_header_ext_hash_map = yes; then
+ { echo "$as_me:$LINENO: checking for GNU hash_map and hash_set" >&5
+echo $ECHO_N "checking for GNU hash_map and hash_set... $ECHO_C" >&6; }
+if test "${wx_cv_class_gnuhashmapset+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 <ext/hash_map>
+ #include <ext/hash_set>
+int
+main ()
+{
+__gnu_cxx::hash_map<double*, char*, __gnu_cxx::hash<double*>, std::equal_to<double*> > test1;
+ __gnu_cxx::hash_set<char*, __gnu_cxx::hash<char*>, std::equal_to<char*> > test2;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 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 $ac_status); } && {
+ test -z "$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ wx_cv_class_gnuhashmapset=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ wx_cv_class_gnuhashmapset=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+fi
+{ echo "$as_me:$LINENO: result: $wx_cv_class_gnuhashmapset" >&5
+echo "${ECHO_T}$wx_cv_class_gnuhashmapset" >&6; }
+fi
+
+
+
+ if test "$wx_cv_class_gnuhashmapset" = yes; then
+ cat >>confdefs.h <<\_ACEOF
+#define HAVE_EXT_HASH_MAP 1
+_ACEOF
+
+ cat >>confdefs.h <<\_ACEOF
+#define HAVE_GNU_CXX_HASH_MAP 1
+_ACEOF
+
+ fi
+fi
+
+
+
+ if test -n "$GCC"; then
+ { echo "$as_me:$LINENO: checking for __sync_fetch_* builtins" >&5
+echo $ECHO_N "checking for __sync_fetch_* builtins... $ECHO_C" >&6; }
+ if test "${wx_cv_cc_gcc_atomic_builtins+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. */
+
+int
+main ()
+{
+
+ int value=0;
+ __sync_fetch_and_add(&value, 1);
+ __sync_sub_and_fetch(&value, 1);
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 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 $ac_status); } && {
+ test -z "$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ wx_cv_cc_gcc_atomic_builtins=yes