Mostly this is is so the generated Xpoll.h can be emitted into a usable
directory when we build as a subproject.
Signed-off-by: Adam Jackson <ajax@redhat.com>
So that meson can use that as an include path for dependencies.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dylan Baker <dylanx.c.baker@intel.com>