【iOS】Xcodeでビルドした時にNSObjCRuntimeでエラー？【cocos2d-x】 ref: http://qiita.com/kuuki_yomenaio/items/6edc7cb16a81d2bc9ef5

file2.txt

/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator8.0.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSObjCRuntime.h:397:1: error: expected unqualified-id
@class NSString, Protocol;
^
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator8.0.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSObjCRuntime.h:399:19: error: unknown type name 'NSString'
FOUNDATION_EXPORT NSString *NSStringFromSelector(SEL aSelector);

NativeUtil.cpp

//  NativeUtil.cpp
#include "NativeUtil.h"


#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
#import <objc/runtime.h>
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
#endif

/**
 * URLを指定して端末ブラウザと連携する
 */
void NativeUtil::showWebBrowser(std::string url)
{
    NSString *urlString = [NSString stringWithFormat:@"%s" , url.c_str()];
    NSURL *nsUrl = [NSURL URLWithString:urlString];

    // ブラウザを起動する
    [[UIApplication sharedApplication] openURL:nsUrl];
}

NativeUtil.h

//  NativeUtil.h
#ifndef __Cocos2dxNSObjCRuntimeErrorTest__NativeUtil__
#define __Cocos2dxNSObjCRuntimeErrorTest__NativeUtil__

#include <stdio.h>

class NativeUtil
{
public:
    static void showWebBrowser(std::string url);
};

#endif /* defined(__Cocos2dxNSObjCRuntimeErrorTest__NativeUtil__) */