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Date: Wed, 29 Oct 2003 21:06:09 -0700
From: Scott Long <scottl@freebsd.org>
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To: Kris Kennaway <kris@obsecurity.org>
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cc: java@freebsd.org
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cc: John Angelmo <john@adminforum.se>
Subject: Re: java binary incompatibility on 5.x (Re: __fpclassifyd problem)
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Kris Kennaway wrote:
> On Wed, Oct 29, 2003 at 03:28:32PM -0700, Scott Long wrote:
> 
> 
>>I just tried running the Diablo JDK under -current from yesterday (with
>>the libm fix from a few days ago).  It does not look good; possibly an
>>issue with both the compat libc and native libc being linked in?  Maybe
>>libm.so is still bringing in the native libc.so?  We don't install the
>>4.x libm into compat, and I don't have any 4.x machine around to steal it
>>from, so I can't test out that theory.
> 
> 
> With help from peter and dwhite, we tracked down the cause to the following:
> 
> ./jdk131.patches:+    dlMain = dlopen("/usr/lib/libc.so", RTLD_LAZY);
> ./jdk131.patches:+        void *dlMain = dlopen("/usr/lib/libc.so", RTLD_LAZY);
> 
> Java people, this is the cause of the binary incompatibility of 4.x
> java binaries on 5.x.  Can someone please fix?
> 
> Kris

Thanks for tracking this down.

Scott