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.
