gentoo-overlay/x11-drivers/nvidia-drivers/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer>
  <email>jer@gentoo.org</email>
</maintainer>
<use>
	<flag name='X'>Install the X.org driver, OpenGL libraries, XvMC libraries, and VDPAU libraries</flag>
	<flag name='gtk2'>Install nvidia-settings with support for GTK+ 2</flag>
	<flag name='gtk3'>Install nvidia-settings with support for GTK+ 3</flag>
	<flag name='pax_kernel'>PaX patches from the PaX project</flag> 
	<flag name='tools'>Install additional tools such as nvidia-settings</flag>
	<flag name='uvm'>Install the Unified Memory kernel module (nvidia-uvm) for sharing memory between CPU and GPU in CUDA programs</flag>
</use>
</pkgmetadata>