amd64box ~ # qlist -e libvirt | grep lxc /usr/include/libvirt/libvirt-lxc.h /usr/lib64/python2.7/site-packages/libvirt_lxc.py /usr/lib64/python2.7/site-packages/libvirtmod_lxc.so /usr/lib64/libvirt-lxc.so.0.1000.2 /usr/share/libvirt/api/libvirt-lxc-api.xml /usr/share/doc/libvirt-1.0.2-r2/html/drvlxc.html /etc/logrotate.d/libvirtd.lxc /usr/lib64/libvirt-lxc.so /usr/lib64/libvirt-lxc.so.0 amd64box ~ # eix -e libvirt [I] app-emulation/libvirt Available versions: 0.10.2.1 (~)0.10.2.2 (~)1.0.0 (~)1.0.1 (~)1.0.2-r1 (~)1.0.2-r2 **9999 {{audit avahi +caps debug elibc_glibc firewalld iscsi +libvirtd lvm +lxc +macvtap nfs nls numa openvz parted pcap phyp policykit python qemu rbd sasl selinux +udev uml +vepa virt-network virtualbox xen}} Installed versions: 1.0.2-r2(17:09:30 23/02/2013)(caps elibc_glibc libvirtd macvtap nls policykit python qemu udev vepa -audit -avahi -firewalld -iscsi -lvm -lxc -nfs -numa -openvz -parted -pcap -phyp -rbd -sasl -selinux -uml -virt-network -virtualbox -xen)
Its not linking to anything LXC specific or pulling in any extra depends with the USE flag off. Its simply the fact that something has LXC in the name that you don't like?
Since I don't enable lxc, I expect to don't have anything related to it in my system.