Builds fine with ld.bfd Reproducible: Always
Created attachment 422160 [details] build.log
Created attachment 422162 [details] emerge --info
looks like it's missing -ldrm linkage which provides that func
should be fixed by: http://gitweb.gentoo.org/repo/gentoo.git/commit/?id=a32fb1096277e7afeef5dfebae40cd9836acf489
Sorry for noise in the old ticket, but where it was sent to upstream? I've checked https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests and it's not listed there and the issue still exist in latest virglrenderer (and the patch still does apply cleanly).
It was merged through https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/153