In my Mac my code is:
#import <Foundation/Foundation.h>
#include "db_cxx.h"
int main(int argc, const char * argv[]) {
[@autoreleasepool](https://forums.oracle.com/ords/apexds/user/autoreleasepool) {
return 0;
}
when i run, there are some errors:

environment:
Max OSX(10.11) Xcode8.0
what is happend about it, please give me some direct ?