William H. Macy Says Emmy Rossum Deserves Equal Pay

William H. Macy is adamant Emmy Rossum deserves everything she's asking for ... in fact, he says it's about f****** time.

We caught up with the "Shameless" star Monday at The Grove where we ask him about Emmy's contract dispute demanding equal pay. Check it out ... William gives our photog a history lesson on the Equal Rights Amendment.

Pretty damn clear Frank's pulling for Fiona ... maybe except in the looks department.