[MPlayer-dev-eng] Should #include <X11/extensions/XShm.h> be conditional?

[Ivan Kalvachev]

On 1/4/12, Ingo Brückl <ib at wupperonline.de> wrote:
> While currently checking the #ifdefs in the GUI code and whether they are
> necessary, I came across #include <X11/extensions/XShm.h>. As an extension,
> it doesn't necessarily have to be present, does it?
>
> As far as I can see, there is no check or CONFIG definition for XShm in the
> configure script.
>
> Should there be a condition for this include (and the function calls)?
>
> (Yeah, I know, this isn't exactly the direction I'm heading for...)

There is "HAVE_SHM".