william@bad:~/poky/build/conf$ bitbake core-image-sato
Parsing recipes: 100% |##########################################| Time: 0:00:44
Parsing of 846 .bb files complete (0 cached, 846 parsed). 1317 targets, 76 skipped, 0 masked, 0 errors.
NOTE: Resolving any missing task queue dependencies
ERROR: Nothing RPROVIDES 'libegl' (but /home/william/poky/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.19.1.bb RDEPENDS on or otherwise requires it)
NOTE: Runtime target 'libegl' is unbuildable, removing...
Missing or unbuildable dependency chain was: ['libegl']
NOTE: Runtime target 'xf86-input-evdev' is unbuildable, removing...
Missing or unbuildable dependency chain was: ['xf86-input-evdev', 'virtual/xserver', 'libegl']
NOTE: Runtime target 'packagegroup-core-x11-xserver' is unbuildable, removing...
Missing or unbuildable dependency chain was: ['packagegroup-core-x11-xserver', 'xf86-input-evdev', 'virtual/xserver', 'libegl']
NOTE: Runtime target 'packagegroup-core-x11-base' is unbuildable, removing...
Missing or unbuildable dependency chain was: ['packagegroup-core-x11-base', 'packagegroup-core-x11-xserver', 'xf86-input-evdev', 'virtual/xserver', 'libegl']
ERROR: Required build target 'core-image-sato' has no buildable providers.
Missing or unbuildable dependency chain was: ['core-image-sato', 'packagegroup-core-x11-base', 'packagegroup-core-x11-xserver', 'xf86-input-evdev', 'virtual/xserver', 'libegl']

Summary: There were 2 ERROR messages shown, returning a non-zero exit code.