不在Qmake项目中构建OBJ-C代码

Question

/Users/uuu/Projects/osx/Menu.mm:28: error: attempting to use the forward class 'NSObject' as superclass of 'MenuProvider' @interface MenuProvider : NSObject ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^

in code:

@interface MenuProvider : NSObject
- (void)share:(bool)force userData:(NSString*)data;
@end

Qt Creator (qt 5.3), clang-600.0.51, osx

Answer 1

在该@interface定义上方添加#import <Foundation/Foundation.h> 。