automake: require shared glapi when using DRI based libGL
This has been a requirement for ages, yet it seems like we never explicitly errored out during configure. CC: <mesa-stable@lists.freedesktop.org> Signed-off-by:Emil Velikov <emil.velikov@collabora.com> Reviewed-by:
Adam Jackson <ajax@redhat.com> (cherry picked from commit a7ea7511)