+#check_cxx_source_compiles(
+# "
+# #include <algorithm>
+# using std::count;
+# int countChar(char * b, char * e, char const c)
+# {
+# return count(b, e, c);
+# }
+# int main(){return 0;}
+# "
+#HAVE_STD_COUNT)
+
+#check_cxx_source_compiles(
+# "
+# #include <cctype>
+# using std::tolower;
+# int main(){return 0;}
+# "
+#CXX_GLOBAL_CSTD)
+