[fedora-java] Re: Eclipse 3.4

Thu Jul 31 19:45:18 UTC 2008

On Thu, 2008-07-31 at 15:02 -0430, Robert Marcano wrote:
> On Thu, 2008-07-31 at 15:07 -0400, Andrew Overholt wrote:
> > Hi,
> > 
> > I've finally got version 3.4 of the Eclipse SDK ready to go, targetting
> > Fedora 10:
> > 
> 
> Good news, looks like the Subversive plugin still is not part of the
> base platform like CVS, I am maintaining the subclipse package but it
> had not much activity recently. ummmm maybe I should try it.

ooop my mistake , subclipse is at 1.4.3 and I have packaged 1.2.4, the
last time I checked it was at 1.4.2, (and 1.2.4 != 1.4.2 I need glasses)

> 
> is someone working on packaging another Ganymede subprojects? just
> yesterday I had to install as a requirement for m2eclipse (Maven
> integration plugins needed to work with JBoss EJB3 sources from
> eclipse), and I do not like any non OS updater :-). I remember that EMF
> was previously packaged
> 
> 
> > http://koji.fedoraproject.org/koji/buildinfo?buildID=58121
> > 
> > (See [1] for an in-progress build with some minor fixes.)
> > 
> > Action item for plugin package maintainers:
> > -------------------------------------------
> > Please look at the relevant attached patches and apply them or something
> > like them in the devel directory of your plugin(s).  Feel free to commit
> > and tag but note that you won't be able to build until I tag the build
> > for rawhide.
> >     
> > Email me personally if you have questions.  Please also let me know when
> > you're finished and I can do koji builds of everything in the right
> > order (chain-build or otherwise).  I'd like to do this very soon so
> > please take a few minutes to apply the changes.
> > 
> > Testing of the above build is greatly appreciated.
> > -------------------------------------------
> > 
> > There are a few minor changes for packagers of plugins/features:
> > 
> > - Bits are now installed to %{_libdir}/eclipse instead of
> >   %{_datadir}/eclipse.  This brings us in line with upstream's file layout
> >   and avoids the crazy split-install osgi.sharedConfiguration.area hack.
> >   It's also what Debian does, FWIW.
> > 
> > - p2 is the new provisioning platform in 3.4.  Essentially it replaces the
> >   old update manager but does other things as well.  It requires
> >   Eclipse-based apps to use profiles -- like Mozilla profiles -- and manage
> >   them using its "director".  In order to avoid fragile %post scriptlets,
> >   we're going to use the "dropins mechanism" for plugin installation.  This
> >   means that all non-Eclipse platform plugins will be installed into their
> >   own directory under %{_libdir}/eclipse/dropins.  There are a variety of
> >   layouts that are acceptable to p2, but we'll largely be going with
> >   dropins/eclipse/<short name>/{plugins,features}.  This has the nice side
> >   benefit of simplifying %files sections :) .  See [2] for more
> >   information here.
> > 
> > - I added a flag to the pdebuild script to allow for Orbit-style
> >   dependencies.  If you don't know what this means, that's okay, but if
> >   a plugin you want to package uses Orbit dependencies, you'll want to
> >   use the -o flag to pdebuild.  Plugins that use non-Eclipse JARs but
> >   don't have a lib directory with JARs are probably using Orbit-style
> >   dependencies.  They'll have Require-Bundle or Import-Package entries
> >   in their plugin MANIFEST.MFs.  See eclipse-mylyn for an example of how
> >   to use pdebuild in this case.
> > 
> > - I've renamed (and Obsoleted/Provided) libswt3-gtk2 to eclipse-swt.  I
> >   can't count the number of times people have been confused by this
> >   naming and since we're not going to ship swt2 or swt.motif any time
> >   soon, the naming is silly.  I also folded pde-runtime into pde since
> >   PHPEclipse no longer needs the separate pde-runtime package.
> > 
> > Outside of the CDT and the SELinux tools (both maintainers are working on
> > the necessary changes themselves), I've got patches for all of the plugins
> > we have as packages in Fedora.  I've attached these patches and CC'd all of
> > the maintainers.
> > 
> > I will update the packaging guidelines very soon with the above
> > information.
> > 
> > Thanks,
> > 
> > Andrew
> > 
> > [1]
> > Build with branding fixed and removing some unnecessary Requires(post)
> > and the pde-runtime package which is now folded into pde:
> > http://koji.fedoraproject.org/koji/taskinfo?taskID=750696
> > 
> > [2]
> > There are some performance considerations here.  Since it's generating
> > the associated metadata and "provisioning" the bits on the fly based on
> > files dropped into a directory, users may notice a slightly longer
> > startup the first time they start the Eclipse IDE after installing a new
> > plugin package.  Subsequent startups won't be impacted.  There is a lot
> > of performance improvement work going on upstream and much of it will
> > land in 3.4.1.  If 3.4.1 is released early enough, we'll ship it in
> > Fedora 10.  If not, we can ship it as an update.  Should testing between
> > now and Fedora 10 show unacceptably poor performance (I haven't noticed
> > this in my own testing), we can look at back-porting some of the
> > performance work.  The other main way of speeding up dropins-installed
> > plugins is by shipping pre-generated p2 metadata (like yum metadata).
> > I've experimented with this and think I can make it so that we
> > transparently generate it via pdebuild meaning it would only require a
> > rebuild of Fedora plugin packages.  Things will work without these
> > generated content.xml files so in the interest of getting testing sooner
> > rather than later, I'm going to push ahead without the metadata for
> > dropins.
> 
> --
> fedora-devel-java-list mailing list
> fedora-devel-java-list at redhat.com
> https://www.redhat.com/mailman/listinfo/fedora-devel-java-list