>>>>> "JW" == Jason White <jason@jasonjgw.net> writes: JW> Reading the build instructions, it appears to need a build JW> configuration file. I use the following .mozconfig file: mk_add_options MOZ_CO_PROJECT=browser mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/obj-@CONFIG_GUESS@ . $topsrcdir/browser/config/mozconfig This is all configuration data needed to be supplied by the user to build the browser. Regards, Milan Zamazal