The package app-text/poppler without the flag xpdf-headers. But the package has a dependency. >=app-text/poppler-0.32:=[cxx,jpeg?,lcms,tiff?,utils,xpdf-headers(+)] As a result, there is an error: emerge: there are no ebuilds to satisfy ">=app-text/poppler-0.32:0/51=[cxx,jpeg,lcms,tiff,xpdf-headers(+)]". (dependency required by "net-print/cups-filters-1.5.0::gentoo" [installed])
paste full emerge -pv output.
The package app-text/poppler does not have any more xpdf-headers use flag. But the package net-pint/cups-filters requires the flag xpdf-headers as depend.
*poppler-0.18.4-r2 (08 Aug 2012) 08 Aug 2012; Andreas K. Huettel <dilfridge@gentoo.org> -poppler-0.18.4-r1.ebuild, +poppler-0.18.4-r2.ebuild: Revbump to stable, removing xpdf-headers useflag *poppler-0.20.2-r2 (08 Aug 2012) 08 Aug 2012; Andreas K. Huettel <dilfridge@gentoo.org> -poppler-0.20.2.ebuild, -poppler-0.20.2-r1.ebuild, +poppler-0.20.2-r2.ebuild: Remove xpdf-headers useflag; the headers are now always installed. https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/app-text/poppler/ChangeLog