GN at least used to generate Ninja files. So I suppose now it will be generating Siso files? edit: asked and answered, Siso is a "drop-in" replacement for Ninj

GN at least used to generate Ninja files. So I suppose now it will be generating Siso files? edit: asked and answered, Siso is a "drop-in" replacement for Ninja, so presumably it can read .ninja files, and so GN probably didn't need to change much to accommodate it.