improve the detection for GCC

source/deploy.cpp

@@ -294,6 +294,74 @@ namespace std
 			*pos = (std::size_t)(end - ptr);
 		return result;
 	}
+}//end namespace std
+#endif //STD_NUMERIC_CONVERSIONS_NOT_SUPPORTED
+
+#ifdef STD_TO_STRING_NOT_SUPPORTED
+namespace std
+{
+	std::string to_string(double v)
+	{
+		std::stringstream ss;
+		ss << v;
+		return ss.str();
+	}
+
+	std::string to_string(long double v)
+	{
+		std::stringstream ss;
+		ss << v;
+		return ss.str();
+	}
+
+	std::string to_string(unsigned v)
+	{
+		std::stringstream ss;
+		ss << v;
+		return ss.str();
+	}
+
+	std::string to_string(int v)
+	{
+		std::stringstream ss;
+		ss << v;
+		return ss.str();
+	}
+
+	std::string to_string(long v)
+	{
+		std::stringstream ss;
+		ss << v;
+		return ss.str();
+	}
+
+	std::string to_string(unsigned long v)
+	{
+		std::stringstream ss;
+		ss << v;
+		return ss.str();
+	}
+
+	std::string to_string(long long v)
+	{
+		std::stringstream ss;
+		ss << v;
+		return ss.str();
+	}
+
+	std::string to_string(unsigned long long v)
+	{
+		std::stringstream ss;
+		ss << v;
+		return ss.str();
+	}
+
+	std::string to_string(float v)
+	{
+		std::stringstream ss;
+		ss << v;
+		return ss.str();
+	}
 
 	std::wstring to_wstring(double v)
 	{