LICENSE="GPL-3" Is GPLv3-or-later. https://www.gnu.org/software/alive#Licensing alive --version: alive (GNU Alive) 2.0.5 Copyright (C) 2012, 2022 Thien-Thi Nguyen License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
Also, under doc/: Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the appendix entitled “GNU Free Documentation License”. But I guess that you do indeed see the documentation license on info alive (plus I don't see any copies of any GFDL under licenses). Finally, according to the alive news, xdgdirs is optional, while the ebuild has it as a harddep.