This repo contains a few extra packages from the gnome project. It may also contain a few non-gnome packages that depend on these packages or personal packages I use.
brew tap TingPing/gnome
Where possible I avoid repackaging things in the main repo. This comes with some issues though;
Homebrew has some issues handling --without-x11. For many packages such as cairo or gtk+3
you will have to use that flag yourself and manually install them. There is no exaustive list
of these but if you get an XQuartz error that is what you must do. If this still does not work
Try following the steps mentioned in this issue #5
Read the wiki for more information on configuration you will need for things such as proper theming.