x11-libs/libvdpau-0.4 doesn't implement -doc useflag. The ebuild doesn't pass on enable/disable documentation requests to econf. Reproducible: Always Steps to Reproduce: Attempt to emerge x11-libs/libvdpau-0.4 with USE="-doc" Actual Results: Portage attempts to build libvdpau with documentation. Expected Results: libvdpau should build without documentation, respecting USE="-doc".
Created attachment 238341 [details, diff] Patch for libvdpau-0.4.ebuild Patch for libvdpau-0.4.ebuild to have it respect USE="-doc"
Fixed in 0.4.1 which should be going stable soon-ish.