HOMEPAGE Not Found The URL can be updated, if there is a new one, or set to https://wiki.gentoo.org/wiki/No_homepage, if there is no homepage.
SRC_URI="mirror://gentoo/${P}.tgz" some distributions use this page as source, but it is not the project page. http://hello-penguin.com/software.htm Last release was 21y ago. Crosscompiling needs a patch https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=879118 AFAIK it is superseeded by sys-block/mbuffer