ld returned 1 exit status

问题:

This is the code that i'm trying to run:

#include <QApplication>
#include <QPushButton>

int main(int argc,char *argv[])
{
    QApplication app(argc,argv);

    return app.exec();
}

And this is the error that i'm getting:

:-1: error: collect2: ld returned 1 exit status

回答1:

If you read the error message carefully, you will see the problem.

...ld.exe: cannot open output file ...

The linker is trying to write the generated executable file (debug.exe) to disk, but is not allowed to (Permission denied). This is mostly due to the fact that the application you built is currently running.

Close it and rebuild the application.

回答2:

You have to close the application before rebuilding it.

回答3:

This can also happen if you're running out of disc space.