dev-libs/girara-0.1.5-r300 is slot 3, so it doesn't conflict with dev-libs/girara-0.1.4 already installed. However, both contain girara headers, so file conflicts break upgrade: * Messages for package dev-libs/girara-0.1.5-r300: * Detected file collision(s): * * /usr/include/girara/datastructures.h * ....... * /usr/include/girara/shortcuts.h * * Searching all installed packages for file collisions... * * dev-libs/girara-0.1.4:2::gentoo After manual uninstalling of 0.1.4, all went fine. dev-libs/girara-0.1.5-r300 should block 0.1.4 and uninstall it prior to update.
Thank you, should be all set in the tree: http://sources.gentoo.org/viewvc.cgi/gentoo-x86/dev-libs/girara/girara-0.1.5-r300.ebuild?r1=1.1&r2=1.2