Richard Shaw wrote:
> NOTE: The patch for Blender is not backward compatible so if for some
> strange reason Blender has a new release in the near future, it will not
> build with OIIO < 2.0 and current rawhide should not be merged with
> another release (or if you do, just remove the patch).

Or you could apply the patch conditionally. (But you should NOT put the
Patchn: line under a conditional, only the %patchn line. This implies that
you cannot use %autosetup and have to explicitly apply the patches instead.)