pacman -Syufully update your system, inclusive gcc and glibc
pacman -Syu git
create a xine-lib2 package
@4on6 be sure you are fully up to date
@sweetthdevil everything is on that page. scroll up one section and see abs
don't forget to sent the working changes up to aur in comments
a logout is enough because the session needs to know that your user is in a new group.
maybe you should not set the driver to sna.
usbfs was dropped in linux 3.5