On Mon, 31 Dec 2012 17:22:16 +0200 Leho Kraav <l...@kraav.com> wrote:
> Just bumped into something I haven't encountered before. Running amd64. > > Already had sys-auth/pambase-20101024-r2 (stable) installed. Then > installed gnome-base/gdm-3.4.1-r3 binpkg, binhost had newer pambase, > which is why this didn't surface before. > > Everything is fine for runtime, but emerge --depclean pukes with > "sys-auth/pambase[consolekit] is not installed". Looking at this from > all angles, this condition *is* most certainly fulfilled. > > Trying to re-emerge gdm from source revealed that only > >=pambase-20120417 seems to fulfill its requirements. Initially I > couldn't figure out why. > > Poking around in gdm-3.4.1-r3.ebuild L56 reveals [1]: > > sys-auth/pambase[consolekit?,systemd?] > > This lead me to check the pambase-2010 ebuild and sure enough there is > no IUSE="systemd" flag. > Adding "systemd" to /var/db/pkg/sys-auth/pambase-20101024-r2/IUSE made > emerge --depclean work just fine. > > Now, my question is: why does portage-2.1.11.31 not calculate a missing > IUSE=systemd in ebuild for being the same as just USE="-systemd"? It > feels like pambase-20101024-r2.ebuild [2] should fulfill gdm-3.4.1 > requirements just fine, but it doesn't, at least not for this portage > version. > > Am I missing anything known and obvious? http://dev.gentoo.org/~ulm/pms/5/pms.html#x1-870008.2.6.4 «Unless a 4-style default is specified, it is an error for a use dependency to be applied to an ebuild which does not have the flag in question in IUSE_REFERENCEABLE.» which in understandable language means that without USE defaults, even [-foo] matches only packages which have 'foo' in IUSE. -- Best regards, Michał Górny
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