<AWT Dev> [OpenJDK 2D-Dev] Fwd: openjdk7 - use installed png and jpeg libraries

Damon Hart-Davis dhd at exnet.com
Mon Dec 24 02:10:27 PST 2012

If done right then this might help deal with the worrying incompatibility I noted before between the colour space values/range between OpenJDK and Oracle JDK:




On 24 Dec 2012, at 09:52, Anthony Petrov wrote:

> (CC'ing awt-dev@ and 2d-dev@)
> There's an RFE:
> 6565114: Allow using system copies of libjpeg, libpng and giflib for splashscreen
> http://bugs.sun.com/view_bug.do?bug_id=6565114
> I think that the scope of this RFE might be extended to support using system copies of the libraries for the core JDK as well, not only for the splashscreen.
> However, the RFE is currently closed as a "Future Project" because the contributed patch contains some issues and the contributor was not available for a while. See the review thread for details (a link is in the Description of the bug).
> In any case, if you plan to integrate such a change to OpenJDK 8, it should be reviewed here on the awt-dev@ and 2d-dev@ mailing lists.
> --
> best regards,
> Anthony
> On 12/22/2012 11:15, Dmitry Samersoff wrote:
>> Anthony,
>> Should we do it for all system or at least,
>> use bundled header for bundled library?
>> -Dmitry
>> -------- Original Message --------
>> Subject: openjdk7 - use installed png and jpeg libraries
>> Date: Fri, 21 Dec 2012 22:24:02 -0500
>> From: Mikhail T. <mi+thun at aldan.algebra.com>
>> To: glewis at FreeBSD.org
>> CC: java at FreeBSD.org
>> Hello!
>> The attached diff teaches java/openjdk7 to rely on the
>> graphics/{png,jpeg} ports instead of compiling libpng and libjpeg from
>> sources bundled by Oracle.
>> This is especially important for jpeg, because currently build uses the
>> already installed headers while compiling the bundled sources -- in case
>> of any discrepancies there may be nasty problems.
>> It is also just cleaner and affords the use of better optimized image
>> libraries (such as assembly-optimized png and jpeg-turbo).
>> Unfortunately, the port currently does not include check/regression-test
>> target, so I my limited testing consisted of simply restarting vuze --
>> this worked, but I am not certain, it exercises the modified code.
>> Please, take a look. Thank you! Yours,
>>    -mi

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