gcc options in netbeans 8.0

I'm trying to debug a c++ project (existing code) in Netbeans.

I can run the code fine by hitting the Run button, but debugging isn't working for some reason. I've seen a lot of suggestions telling that the -g flag needs to be added to the gcc compiler options in Netbeans.

From what I understand this used to be done through the *Aditional options" field in the project properties. But this field doesn't exist anymore in Netbeans 8.

Where can I add the -g flag to the gcc compiler options in Netbeans 8?