>>> Unpacking source...
>>> Unpacking libol-0.3.17.tar.gz to /var/tmp/portage/libol-0.3.17/work
 * Removing useless C++ checks ...                                        [ ok ]touch: setting times of `/var/tmp/portage/libol-0.3.17/.unpacked': Function not implemented

!!! ERROR: dev-libs/libol-0.3.17 failed.
Call stack:
  ebuild.sh, line 1539:   Called dyn_unpack
  ebuild.sh, line 712:   Called die

!!! IO Failure -- Failed 'touch .unpacked' in /var/tmp/portage/libol-0.3.17
!!! If you need support, post the topmost build error, and the call stack if relevant.