Preprocessor Macros区分target

原文：https://blog.csdn.net/apple_app/article/details/38663367

给不同的target的Build Settings->Preprocessor Macros里添加不同的宏，

然后

#ifdef MYAPP

static NSString *AppSting = @"myapp";

#elif MYAPP_L

static NSString *AppSting = @"myapp_l";

#endif