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

Philip Race philip.race at oracle.com
Thu Nov 15 17:01:31 UTC 2018

PS I am not sure why xrandr headers would not be available for AIX.
They are a standard part of the xdistribution.

If true, think what you are going to have to do is add a 
--with-xrandr-include option
and provide it that way.


On 11/15/18, 8:55 AM, Philip Race wrote:
> Hmm. I don't like the ifdefs.
> 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

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