string: ignore codecvt deprecation for the moment

string.cpp

@@ -12,6 +12,11 @@
 #include <codecvt>
 #include <locale>
 
+// HACK: cxx#xxx, codecvt is deprecated, but we don't have a good solution right now.
+//       Ignoring the warning is the best past forward in the short term.
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignore "-Wdeprecated-declaration"
+
 
 ///////////////////////////////////////////////////////////////////////////////
 std::string
@@ -39,3 +44,6 @@ strbegins (const char *restrict str,
            const char *restrict prefix) {
     return 0 == strncmp (prefix, str, strlen (prefix));
 }
+
+
+#pragma GCC diagnostic pop