<<< ebuild_nonexist_dependency >>> 7|media-libs/libv4l|libv4l-1.20.0.ebuild|media-tv/v4l2-ctl|chewi@gentoo.org <<< open bugs >>> https://bugs.gentoo.org/759862 media-libs/libv4l-1.16.6_fails_to_build_with_error_"Header_files_have_changed_between_ABIs