oberon xchat # emerge --debug =xchat-20101010
myaction None
myopts {'--debug': True}
Calculating dependencies  
Parent:    None
Depstring: =net-irc/xchat-20101010
Priority: soft
Candidates: ['=net-irc/xchat-20101010']
!!! Manifest file not found: '/usr/local/portage/net-irc/xchat/Manifest'

aux_get(): (0) Error in '/usr/local/portage/net-irc/xchat/xchat-20101010.ebuild'. (1)
               Check for syntax error or corruption in the ebuild. (--debug)


!!! All ebuilds that could satisfy "=xchat-20101010" have been masked.
!!! One of the following masked packages is required to complete your request:
!!! Manifest file not found: '/usr/local/portage/net-irc/xchat/Manifest'

aux_get(): (0) Error in '/usr/local/portage/net-irc/xchat/xchat-20101010.ebuild'. (1)
               Check for syntax error or corruption in the ebuild. (--debug)

- net-irc/xchat-20101010 (masked by: corruption)

For more information, see MASKED PACKAGES section in the emerge man page or 
refer to the Gentoo Handbook.