Am 10.01.2013 19:06, schrieb Paul Hartman: > On Thu, Jan 10, 2013 at 10:59 AM, Jarry <mr.ja...@gmail.com> wrote: >> Hi Gentoo users, >> >> I just updated gcc from 4.5.4 to 4.6.3, switched compiler >> version, rebuilt libtool, but "emerge --depclean" still >> does not want to remove old gcc. "equery list gcc" shows >> both are still installed: >> >> [IP-] [ ] sys-devel/gcc-4.5.4:4.5 >> [IP-] [ ] sys-devel/gcc-4.6.3:4.6 >> >> So how can I now remove the old gcc? I checked again >> "Gentoo GCC Upgrade Guide", but did not find a single >> word about it... > > If they are in slots, the newer version won't necessarily obsolete the > older version. > > You can use "emerge --depclean -p -v gcc:4.5" to view any remaining > dependencies on that slotted version. > > You can use "emerge -C gcc:4.5" to remove only that slot's version of gcc. >
Even better: emerge -av --depclean gcc:4.5 This will unmerge the gcc slot if and only if there is no dependency. My guess is you have sys-devel/gcc:4.5 in your world file and not just sys-devel/gcc and that's the reason why depclean won't clean it up. Regards, Florian Philipp
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