ACCEPT_KEYWORDS="~x86" emerge thunar Calculating dependencies | !!! All ebuilds that could satisfy "thunar" have been masked. !!! One of the following masked packages is required to complete your request: - xfce-base/thunar-0.9.0 (masked by: required EAPI -1, supported EAPI 0) - xfce-base/thunar-0.9.0-r1 (masked by: required EAPI -1, supported EAPI 0) - xfce-base/thunar-0.8.0-r3 (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.