The ebuild tries to apply cups-filters-1.0.71-poppler0340.patch and fails to find OPVPOutputDev.cxx. Removing the patch allows it to compile. Reproducible: Always
Please attach the build log. Also, check if cups-filters-1.0.73 (added today) fixes the problem.
Created attachment 410484 [details] net-print/cups-filters-1.0.71 build.log with app-text/poppler-0.35.0 net-print/cups-filters-1.0.73 built fine with app-text/poppler-0.35.0
As later versions seem to work, I've restricted the dep for the stable version. commit 58751e235011d39f8436644231a54a61c1de1247 Author: Manuel Rüger <mrueg@gentoo.org> Date: Fri Aug 28 15:25:54 2015 +0200 net-print/cups-filters: Restrict poppler dependency to <0.35.0 for stable version Gentoo-Bug: #558876 Package-Manager: portage-2.2.20.1