!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =mate-base/mate-control-center-1.28.0-r3 ), mode none
!!! trying mate-base/mate-control-center-1.28.0-r3
!!!   request dev-libs/libayatana-appindicator, mode bdepend
!!!   trying dev-libs/libayatana-appindicator-0.6.0
!!!     request >=x11-libs/gtk+-3.24:3[introspection], mode depend
!!!     removing choices involving >=x11-libs/gtk+-3.24:3[introspection]
!!!   removing choices involving dev-libs/libayatana-appindicator

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =mate-base/mate-control-center-1.28.0-r3 )'
potentials:
repo gentoo: [ ebuild src: mate-base/mate-control-center-1.28.0-r3 ]