localhost ***** # emerge media-video/avidemux
Calculating dependencies /
!!! All ebuilds that could satisfy "media-video/avidemux" have been masked.
!!! One of the following masked packages is required to complete your request:
- media-video/avidemux-2.4.1 (masked by: required EAPI 1, supported EAPI 0)
- media-video/avidemux-2.4 (masked by: required EAPI 1, supported EAPI 0)

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

localhost ***** # emerge -pv media-video/avidemux

These are the packages that would be merged, in order:

Calculating dependencies /
!!! All ebuilds that could satisfy "media-video/avidemux" have been masked.
!!! One of the following masked packages is required to complete your request:
- media-video/avidemux-2.4.1 (masked by: required EAPI 1, supported EAPI 0)
- media-video/avidemux-2.4 (masked by: required EAPI 1, supported EAPI 0)

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