FEATURES= test USE='  ' emerge -1v x11-drivers/xf86-video-r128 succeeded
FEATURES= test USE='  '  emerge -1v x11-apps/intel-gpu-tools failed
FEATURES= test USE='  ' emerge -1v x11-apps/xtrap succeeded
USE='-multislot -multitarget -nls -vanilla'  succeeded for =sys-devel/binutils-2.21.1
USE='multislot -multitarget nls -vanilla'  succeeded for =sys-devel/binutils-2.21.1
USE='multislot multitarget nls -vanilla'  succeeded for =sys-devel/binutils-2.21.1
USE='multislot -multitarget -nls vanilla'  failed for =sys-devel/binutils-2.21.1
USE='multislot multitarget nls vanilla'  failed for =sys-devel/binutils-2.21.1
  FEATURES= test succeeded for =sys-devel/binutils-2.21.1