Disable type_traits

test/unittest/stringbuffertest.cpp

@@ -74,6 +74,8 @@ TEST(StringBuffer, Pop) {
 
 #if RAPIDJSON_HAS_CXX11_RVALUE_REFS
 
+#if 0 // Many old compiler does not support these. Turn it off temporaily.
+
 #include <type_traits>
 
 TEST(StringBuffer, Traits) {
@@ -111,6 +113,8 @@ TEST(StringBuffer, Traits) {
 #endif
 }
 
+#endif
+
 TEST(StringBuffer, MoveConstructor) {
     StringBuffer x;
     x.Put('A');