(chroot) jurchen / # emerge app-misc/pax-utils net-fs/cifs-utils
!!! It seems that /proc is not mounted. You have been warned.

 * IMPORTANT: 4 news items need reading for repository 'gentoo'.
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Calculating dependencies                         i

!!! Problem resolving dependencies for net-fs/cifs-utils
... done!

!!! The ebuild selected to satisfy "net-fs/cifs-utils" has unmet requirements.
- net-fs/cifs-utils-6.0-r1::gentoo USE="acl caps caps-ng -ads -creds -upcall"

  The following REQUIRED_USE flag constraints are unsatisfied:
    acl? ( upcall )