failed building Mozilla-Mechanize prerequisite Gtk2-MozEmbed aborting build of Mozilla-Mechanize: failed prerequisites failed building Mozilla-Mechanize prerequisite Gtk2-MozEmbed aborting build of Mozilla-Mechanize: failed prerequisites failed building Mozilla-Mechanize prerequisite Gtk2-MozEmbed aborting build of Mozilla-Mechanize: failed prerequisites failed building Mozilla-Mechanize prerequisite Gtk2-MozEmbed aborting build of Mozilla-Mechanize: failed prerequisites failed building Mozilla-Mechanize prerequisite Gtk2-MozEmbed aborting build of Mozilla-Mechanize: failed prerequisites