Native zlib libraries (original) (raw)

Alan Bateman Alan.Bateman at oracle.com
Wed Jul 11 07:47:33 UTC 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 (USESYSTEMZLIB=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:

http://hg.openjdk.java.net/jdk8/jdk8/jdk/file/tip/src/share/native/java/util/zip/zlib-1.2.5/patches/ChangeLog_java

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.

-Alan



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