[PATCH] Fix bogus function cast warning for functions with common arg subset

[David Malcolm]

On Fri, 2018-02-23 at 09:10 +0530, Siddhesh Poyarekar wrote:
> Libraries like gtk/glib[1] and python[2] use functions with common
> argument subsets to register callbacks.  The working idea behind it
> is
> to have a flag in the structure (or some other pre-determined method)
> that specifies how the callback is cast and called.
> 
> Fix this by not throwing a warning when functions with different
> argument list lengths (of M and N where M < N) have compatible
> argument types for the first M arguments.

Do we have a PR open for this yet?

I believe this is an example of where this bit (for the Python case):
  https://github.com/imageworks/OpenColorIO/pull/518

[...snip...]


Dave