media-libs/libv4l: Allow Qt5 to be chosen over Qt6

Blocking Qt6 was too disruptive.

Signed-off-by: James Le Cuirot <chewi@gentoo.org>

media-libs/libv4l/libv4l-1.28.1.ebuild

@@ -39,7 +39,6 @@ RDEPEND="
 			virtual/opengl
 		)
 		!qt6? ( qt5? (
-			!dev-qt/qtbase:6
 			dev-qt/qtcore:5
 			dev-qt/qtgui:5
 			dev-qt/qtopengl:5[-gles2-only(-),-gles2(-)]
@@ -89,6 +88,11 @@ pkg_setup() {
 	CONFIG_CHECK="~SHMEM" linux-info_pkg_setup
 }
 
+src_prepare() {
+	default
+	use qt6 || sed -i "/^dep_qt6/s/'qt6/&DiSaBlEd/" meson.build || die
+}
+
 multilib_src_configure() {
 	local emesonargs=(
 		$(meson_native_use_feature bpf)