Custom build directory in GNOME Builder

As a WebKit developer, I want to use GNOME Builder to work on it. In WebKit, we have in-house scripts that expect binaries and libraries to be found in a specific location. Currently, Builder doesn’t allow specifying a custom build directory. I want to implement that. I came up with this prototype:


This is how similar settings look in XCode:

But before continuing, I’d like to get Builder developers’ opinion on that.