Uh, really? In my experience Chromium takes far longer than Firefox to build, especially from scratch. Not to mention all the steps and bespoke repo-management

Uh, really? In my experience Chromium takes far longer than Firefox to build, especially from scratch. Not to mention all the steps and bespoke repo-management tools involved in just checking out the code and bringing up a working build environment. What problems did you run into building Firefox?