[OpenJDK 2D-Dev] RFR(XS): 8213944: Fix AIX build after the removal of Xrandr.h and add a configure check for it

[Volker Simonis]

On Thu, Nov 15, 2018 at 5:55 PM Philip Race <philip.race at oracle.com> wrote:
>
> Hmm. I don't like the ifdefs.
>

Mee too, but what else can we do, if there are no Xrandr headers
available on a platform?

Please see my answer to your other mail...

> Xrandr is a requirement for the build. If its not there at runtime
> that's OK.
>
> -phil.
>
> On 11/15/18, 8:06 AM, Volker Simonis wrote:
> > Hi,
> >
> > can I please have a review for the following small change:
> >
> > http://cr.openjdk.java.net/~simonis/webrevs/2018/8213944/
> > https://bugs.openjdk.java.net/browse/JDK-8213944
> >
> > Change JDK-8210863 removed the Xrandr.h/randr.h headers from the
> > OpenJDK sources but forgot to add a configure check for the Xrandr
> > extension which is now a build dependency.
> >
> > The change also broke the AIX build. AIX never supported Xrandr, but
> > that was only detected at runtime, when the JDK was unable to
> > dynamically load libXrand.so. Now, without Xrandr.h/randr.h in the
> > source tree any more, we have to conditionally compile some parts of
> > src/java.desktop/unix/native/libawt_xawt/awt/awt_GraphicsEnv.c such
> > that it doesn't require the definitions and declarations from
> > Xrandr.h/randr.h any more.
> >
> > Thank you and best regards,
> > Volker