!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =sci-biology/embassy-topo-2.0.660-r1 ), mode none
!!! trying sci-biology/embassy-topo-2.0.660-r1
!!!   request >=sci-biology/emboss-6.6.0-r1[-mysql,-pdf,-postgres,X,png], mode depend
!!!   trying sci-biology/emboss-6.6.0-r4
!!!     request sci-biology/prosite, mode pdepend
!!!     removing choices involving sci-biology/prosite
!!!   removing choices involving >=sci-biology/emboss-6.6.0-r1[-mysql,-pdf,-postgres,X,png]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =sci-biology/embassy-topo-2.0.660-r1 )'
potentials:
repo gentoo: [ ebuild src: sci-biology/embassy-topo-2.0.660-r1 ]