On 08/04/2014 12:38 PM, Florian Weimer wrote: > On 07/30/2014 11:39 AM, Andrew Haley wrote: > >> Ideally we'd want to have this discussion with Java upstream. > > Okay, I can bring it up there, but I'm not sure yet what Fedora's needs > are, so I think it's premature to bring it up upstream. I agree. >> Depending on a Fedora-local patch to the search path means that if >> people build their own OpenJDK or install Oracle Java, their programs >> will stop working. So, we must not do that. > > I suspect that using a JDK not packaged by us needs a changed invocation > of the launcher anyway, I don't see why it needs to, and IMO we should strive to ensure that it does not. JAVA_HOME is traditional but fugly, and doesn't work properly with alternatives. > and throwing the appropriate > -Djava.library.path= setting would only be a minor complication, > compared to all the other things that aren't quite right by default. > >> If a symlink at /usr/java/packages/lib/amd64 to wherever is allowable, >> and I see no reason why it should not be, then we don't need to patch >> OpenJDK. We could make /usr/java/packages/lib/amd64 a real directory, >> and populate it with symlinks to the packages or make it just a >> symlink to /usr/lib64/jni ; again, I don't think it matters. > > If there's consensus to introduce /usr/lib64/jni with compatiblity > symlinks under /usr/java/packages/lib, then we don't need any upstream > changes, just a java-filesystem package which installs the symbolic > links, and a change to the Java packaging guidelines. Indeed. It's a simple solution that will work, not only with future JVMs but with existing ones. > Debian uses (or will soon use) multiarch paths, and these seem > difficult to compute outside of a Debian environment, which is why I > believe that changing the upstream default to include appropriate > /usr/lib/jni directories could be challenging. Maybe we could just > use the non-multiarch directories, and Debian can keep patching the > defaults, but that doesn't seem ideal to me, either. Debian's multiarch system is a can of worms, and whatever they do with it won't be ideal. They'll always need to patch, I think. Andrew. -- java-devel mailing list java-devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/java-devel
