#include <cstdio>
#include <QLoggingCategory>

int main(int, char **)
{
#if 1
    const QLoggingCategory *p = QLoggingCategory::defaultCategory();
    printf("debug=%d\n",p->isDebugEnabled()?1:0);
#else
    qDebug() << "hello world";
#endif
    return 0;
}