$ bitbake -g gtk+3
Parsing recipes: 100% |#######################################################################################################################| Time: 00:00:09
Parsing of 1597 .bb files complete (0 cached, 1597 parsed). 1967 targets, 256 skipped, 0 masked, 0 errors.
NOTE: Resolving any missing task queue dependencies
ERROR: Nothing PROVIDES 'libxext' (but /OE/oe-core/meta/recipes-gnome/gtk+/gtk+3_3.4.4.bb DEPENDS on or otherwise requires it)
ERROR: libxext was skipped: 'x11' not in DISTRO_FEATURES
ERROR: libxext was skipped: 'x11' not in DISTRO_FEATURES
ERROR: Nothing PROVIDES 'libxcursor' (but /OE/oe-core/meta/recipes-gnome/gtk+/gtk+3_3.4.4.bb DEPENDS on or otherwise requires it)
ERROR: libxcursor was skipped: 'x11' not in DISTRO_FEATURES
ERROR: Nothing PROVIDES 'libxrandr' (but /OE/oe-core/meta/recipes-gnome/gtk+/gtk+3_3.4.4.bb DEPENDS on or otherwise requires it)
ERROR: libxrandr was skipped: 'x11' not in DISTRO_FEATURES
ERROR: Nothing PROVIDES 'libxdamage' (but /OE/oe-core/meta/recipes-gnome/gtk+/gtk+3_3.4.4.bb DEPENDS on or otherwise requires it)
ERROR: libxdamage was skipped: 'x11' not in DISTRO_FEATURES
ERROR: Nothing PROVIDES 'libxrender' (but /OE/oe-core/meta/recipes-gnome/gtk+/gtk+3_3.4.4.bb DEPENDS on or otherwise requires it)
ERROR: libxrender was skipped: 'x11' not in DISTRO_FEATURES
ERROR: Nothing PROVIDES 'libxcomposite' (but /OE/oe-core/meta/recipes-gnome/gtk+/gtk+3_3.4.4.bb DEPENDS on or otherwise requires it)
ERROR: libxcomposite was skipped: 'x11' not in DISTRO_FEATURES
ERROR: Nothing PROVIDES 'libxi' (but /OE/oe-core/meta/recipes-gnome/gtk+/gtk+3_3.4.4.bb DEPENDS on or otherwise requires it)
ERROR: libxi was skipped: 'x11' not in DISTRO_FEATURES
ERROR: libxi was skipped: 'x11' not in DISTRO_FEATURES
ERROR: Nothing RPROVIDES 'gtk+3' (but /OE/oe-core/meta/recipes-gnome/gtk+/gtk+3_3.4.4.bb RDEPENDS on or otherwise requires it)
ERROR: No eligible RPROVIDERs exist for 'gtk+3'
NOTE: Runtime target 'gtk+3' is unbuildable, removing...
Missing or unbuildable dependency chain was: ['gtk+3']
ERROR: Nothing RPROVIDES 'gtk+3-dev' (but /OE/oe-core/meta/recipes-gnome/gtk+/gtk+3_3.4.4.bb RDEPENDS on or otherwise requires it)
ERROR: No eligible RPROVIDERs exist for 'gtk+3-dev'
NOTE: Runtime target 'gtk+3-dev' is unbuildable, removing...
Missing or unbuildable dependency chain was: ['gtk+3-dev']
NOTE: Preparing runqueue
ERROR: All buildable tasks have been run but the build is incomplete (--continue mode). Errors for the tasks that failed will have been printed above.
ERROR: Command execution failed: Exited with 1

Summary: There were 11 ERROR messages shown, returning a non-zero exit code.