Native zlib libraries

Alan Bateman Alan.Bateman at
Wed Jul 11 00:47:33 PDT 2012

On 05/07/2012 17:11, Andrew Hughes wrote:
> ----- Original Message -----
>> Is there a way to get the native zlib libraries to get picked up
>> instead of the hardcoded version within the JVM?
>> --
>> Azeem Jiva
>> @javawithjiva
> We have this in IcedTea (USE_SYSTEM_ZLIB=true) and intend to get it
> upstream.
> However, I don't see how this is related to HotSpot, as the zlib usage
> is in the jdk tree.
I think we need to (re)start the discussion on core-libs-dev with a view 
to eliminating the patches that the JDK has to zlib, see:

One of these changes relates to the zip64 support and I believe there 
are corner cases when inflating or deflating >2GB that won't work if 
using the system zlib. Sherman will likely recall the details. Given 
that the new build already supports using the system zlib (at least on 
Linux) then it would be good to sort this out so that it just works.


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