sys-apps/hal-0.5.10 no longer contains hal-device-manager, gnome-device-manager fills that gap.
Created attachment 138589 [details] gnome-device-manager-0.2.ebuild
Created attachment 138591 [details] gnome-device-manager-0.2.ebuild Add some DEPENDS
It depends on gnome-doc-utils >= 0.3.2: configure: error: gnome-doc-utils >= 0.3.2 not found
Now in portage but as Pro says requires gnome-doc-utils
fixed without a bump. Thanks for the report.