Dependency removed in 2013: https://bazaar.launchpad.net/~dbusmenu-team/libdbusmenu/trunk.16.04/revision/455
Indeed see no reference to gnome-doc-utils' tools in the source.
I was just about to report this, considering I was testing out packages and managed to get this one to build and pass tests without the gnome-doc-utils dep.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=84c5dc7b46e12a33ae836993527104e5930c8f78 commit 84c5dc7b46e12a33ae836993527104e5930c8f78 Author: Sam James <sam@gentoo.org> AuthorDate: 2022-06-14 15:09:13 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2022-06-14 15:13:53 +0000 dev-libs/libdbusmenu: EAPI 8; drop unnecessary dep Closes: https://bugs.gentoo.org/769584 Signed-off-by: Sam James <sam@gentoo.org> dev-libs/libdbusmenu/libdbusmenu-16.04.0-r2.ebuild | 153 +++++++++++++++++++++ 1 file changed, 153 insertions(+)