Calculating dependencies... done!

>>> Emerging (1 of 1) www-client/opera-9.10 to /
 * checking ebuild checksums ;-) ...                                                                                                                                                                                              [ ok ]
 * checking auxfile checksums ;-) ...                                                                                                                                                                                             [ ok ]
 * checking miscfile checksums ;-) ...                                                                                                                                                                                            [ ok ]
>>> Unpacking source...

!!! ERROR: www-client/opera-9.10 failed.
Call stack:
  ebuild.sh, line 1613:   Called dyn_unpack
  ebuild.sh, line 750:   Called qa_call 'src_unpack'
  environment, line 3450:   Called src_unpack
  opera-9.10.ebuild, line 58:   Called unpack
  ebuild.sh, line 388:   Called die

!!! Nothing passed to the 'unpack' command
!!! If you need support, post the topmost build error, and the call stack if relevant.
!!! A complete build log is located at '/var/tmp/portage/www-client/opera-9.10/temp/build.log'.