From owner-freebsd-java@FreeBSD.ORG  Tue Apr 29 23:37:41 2014
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Date: Tue, 29 Apr 2014 19:37:40 -0400
From: Jung-uk Kim <jkim@FreeBSD.org>
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To: Jonathan Chen <jonc@chen.org.nz>, freebsd-java@freebsd.org
Subject: Re: openjdk-7.55.13_3,1: UnsatisfiedLinkError jpeg_resync_to_restart
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On 2014-04-29 19:09:36 -0400, ?? wrote:
> On 28 April 2014 13:51, Jonathan Chen <jonc@chen.org.nz> wrote:
>> Hi,
>> 
>> I'm trying out the latest openjdk-7.55.13_3,1 with squirrel-sql
>> and have noticed that the logs are reporting:
>> 
>> java.lang.UnsatisfiedLinkError: 
>> /usr/local/openjdk7/jre/lib/amd64/libsplashscreen.so: 
>> /usr/local/openjdk7/jre/lib /amd64/libsplashscreen.so: Undefined
>> symbol "jpeg_resync_to_restart" at
>> java.lang.ClassLoader$NativeLibrary.load(Native Method)
> 
> So I had a look at this with openjdk-7.55.13_4,1, and it appears
> that the internal openjdk jpeg library is being compiled with 
> "NEED_SHORT_EXTERNAL_NAMES" defined, resulting in libjpeg.so with
> the shortened name of "jResyncRestart"
> 
> 11:00am> nm /usr/local/openjdk7/jre/lib/amd64/libjpeg.so | grep
> jResync 000000000000f6e0 T jResyncRestart
> 
> However, when libsplashscreen.so is built,
> "NEED_SHORT_EXTERNAL_NAMES" has not been defined and the expanded
> "jpeg_resync_to_restart" symbol is used instead, resulting in the
> undefined reference.
> 
> Unfortunately, I can't determine just how libjpeg.so is being
> built, and where the unecessary "NEED_SHORT_EXTERNAL_NAMES" is
> being defined in the build. Any pointers from the list would be
> appreciated.

I guess ${LOCALBASE}/include/jconfig.h was found before
${WRKSRC}/jdk/src/share/native/sun/awt/image/jpeg/jconfig.h.

Jung-uk Kim
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