>>> Emerging : portage://app-editors/emacs-18.59-r17:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ unmask  portage://app-editors/emacs-18.59-r17

 └─step  2─┤ verify  sys-libs/ncurses (unsatisfied constraints, assumed installed)
             │ verify  sys-libs/ncurses (unsatisfied constraints, assumed running)
             │ download  portage://app-editors/emacs-18.59-r17
             │           └─ file ─┤ 34.00 Kb  	 emacs-18.59-patches-17.tar.xz
             │                    │ 2.83 Mb  	 emacs-18.59.tar.gz
             │ download  portage://app-eselect/eselect-ctags-1.20
             │           └─ file ─┤ 8.96 Kb  	 eselect-emacs-1.20.tar.xz
             │ download  portage://app-eselect/eselect-emacs-1.20
             │           └─ file ─┤ 8.96 Kb  	 eselect-emacs-1.20.tar.xz

Total: 4 actions (1 unmask, 3 downloads), grouped into 2 steps.
       2.88 Mb to be downloaded.



>>> Assumptions taken during proving & planning:

  Package unmask (1 package):
  Add to /etc/portage/package.unmask:
    =app-editors/emacs-18.59-r17


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


>>> Domain assumptions

- REQUIRED_USE violation: 
  sys-libs/ncurses
  No ebuild satisfies USE deps for portage://sys-libs/ncurses-6.5_p20251220 (use_dep_unsat)
  USE deps force:   [abi_x86_32]
  conflicts with profile use.mask / use.force
  required by: portage://app-editors/emacs-18.59-r17

- REQUIRED_USE violation: 
  sys-libs/ncurses
  No ebuild satisfies USE deps for portage://sys-libs/ncurses-6.5_p20251220 (use_dep_unsat)
  USE deps force:   [abi_x86_32]
  conflicts with profile use.mask / use.force
  required by: portage://app-editors/emacs-18.59-r17


>>> Bug report drafts (Gentoo Bugzilla)

---
Summary: portage://app-editors/emacs-18.59-r17: unsatisfied_constraints dependency on sys-libs/ncurses

Affected package: portage://app-editors/emacs-18.59-r17
Dependency: sys-libs/ncurses
Phases: [install,run]

Unsatisfiable constraint(s):
  sys-libs/ncurses-:0=

Observed:
  portage-ng reports no available candidate satisfies the above constraint(s).
  Available versions in repo set (sample, first 3 of 3): [6.5_p20251220,6.6_p20260411-r1,6.6_p20260912]

Potential fix (suggestion):
  Review dependency metadata in portage://app-editors/emacs-18.59-r17; constraint set: [constraint(none,,[slot(0),equal])].