c++ - Include <string> not found compile error in Xcode 4.2

Question

I'm getting include not found compile error in XCode. I have an iOS app project that i use Objective-c and c++ as mix.

Initially, i created one .h file and one .cpp file in my ios project. Then, I renamed the .cpp file to .mm file.

Here is my .h file;

TestLog.h

#ifndef CalculatorDemo_TestLog_h
#define CalculatorDemo_TestLog_h
#include <string>
using namespace std;

class TestLog
{
private:
    string logString;
public:
    void Log(string logMessage);
};


#endif

TestLog.mm

#include "TestLog.h"

void TestLog::Log(string logMessage)
{
    //this->logString->append(logMessage);

}

What am I missing? Do I need to add std c++ library to my targetS? Something related to Search Header Paths?

I just need to use string type.

Thanks much for in advance

Answer 1

select project -> build setting -> apple LLVM compiler 5.1 -> language

In Compile Sources As change to Objective-C++