>>> Emerging : portage://games-action/shadowgrounds-bin-0_p1-r1:run?{[]}

These are the packages that would be merged, in order:

Calculating dependencies... done!

 └─step  1─┤ unmask  portage://games-action/shadowgrounds-bin-0_p1-r1

 └─step  2─┤ verify  gnome-base/libglade (unsatisfied constraints, assumed running)
             │ download  portage://games-action/shadowgrounds-bin-0_p1-r1
             │           └─ file ─┤ 779.59 Mb  	 shadowgroundsUpdate1.run

 └─step  3─┤ install   portage://games-action/shadowgrounds-bin-0_p1-r1 (unmasked)

 └─step  4─┤ run     portage://games-action/shadowgrounds-bin-0_p1-r1

Total: 4 actions (1 unmask, 1 download, 1 install, 1 run), grouped into 4 steps.
       779.59 Mb to be downloaded.



>>> Assumptions taken during proving & planning:

  Package unmask (1 package):
  Add to /etc/portage/package.unmask:
    =games-action/shadowgrounds-bin-0_p1-r1


Error The proof for your build plan contains domain assumptions. Please verify:


>>> Domain assumptions

- REQUIRED_USE violation: 
  gnome-base/libglade
  No ebuild satisfies USE deps for portage://gnome-base/libglade-2.6.4-r5 (use_dep_unsat)
  USE deps force:   [abi_x86_32]
  conflicts with profile use.mask / use.force
  required by: portage://games-action/shadowgrounds-bin-0_p1-r1


>>> Bug report drafts (Gentoo Bugzilla)

---
Summary: portage://games-action/shadowgrounds-bin-0_p1-r1: unsatisfied_constraints dependency on gnome-base/libglade

Affected package: portage://games-action/shadowgrounds-bin-0_p1-r1
Dependency: gnome-base/libglade
Phases: [run]

Unsatisfiable constraint(s):
  >=gnome-base/libglade-2.6.4-r1

Observed:
  portage-ng reports no available candidate satisfies the above constraint(s).
  Available versions in repo set (sample, first 1 of 1): [2.6.4-r5]

Potential fix (suggestion):
  Review dependency metadata in portage://games-action/shadowgrounds-bin-0_p1-r1; constraint set: [constraint(greaterequal,2.6.4-r1,[])].