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To: Alistair Bush <ali_bush@g.o>
From: Jean-Noël Rivasseau <elvanor@g.o>
Subject: Re: OSGI manifests and existing packages
Date: Wed, 9 Dec 2009 08:50:18 -0800
Hi,<br><br>Yes first and foremost I want to thank Matt for the awesome work he has put into Eclipse while the official maintainer was slacking on it (Matt, that would be me...)<br><br>I&#39;ve still been watching the bug from time to time and actually wanted to contact Matt myself too, since it seemed to me the ebuild reached enough maturity to be included in the main tree. ali_bush beat me to it and that is fine, since my company (plus a recent move to Canada) is still eating up my time, so the ebuild will probably move faster to the tree if ali_bush handles it.<br>
<br>I would be interested in learning all the details of the new ebuild but I am pretty sure that yes it is far better than the current one (which is a good thing; eclipse ebuilds have been constantly improved from the 3.2 one which was horrible, all bundled etc).<br>
<br>ali_bush, you mention that we currently build against the bundled jars, I don&#39;t think that&#39;s actually true (I would have to double check but I think we build against systeme packages...)<br><br>Elvanor<br><br>
<div class="gmail_quote">On Wed, Dec 9, 2009 at 2:51 AM, Alistair Bush <span dir="ltr">&lt;<a href="mailto:ali_bush@g.o">ali_bush@g.o</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi guys<br>
<br>
Please be aware that the work Matt has been doing on eclipse-sdk:3.5 means<br>
that we no longer have to modify (for 3.5 at least) eclipses dependencies to<br>
include osgi headers in the manifest.<br>
<br>
What happens in eclipse-sdk:3.5 is..<br>
<br>
Matt Whitlock wrote:<br>
&gt; My ebuild does use system-installed packages.  It does this by unpacking<br>
&gt;  the metadata from the bundled JARs and modifying their classpaths so they<br>
&gt;  point to symlinks to the system-installed JARs.  Look in the<br>
&gt;  subdirectories of /usr/lib64/eclipse-3.5/plugins.  As an example, the<br>
&gt;  first one, ICU4J, has the following files:<br>
&gt;<br>
&gt;         META-INF/MANIFEST.MF<br>
&gt;         icu4j-charsets.jar -&gt; /usr/share/icu4j-4/lib/icu4j-charsets.jar<br>
&gt;         icu4j.jar -&gt; /usr/share/icu4j-4/lib/icu4j.jar<br>
&gt;         plugin.properties<br>
&gt;<br>
&gt; And the META-INF/MANIFEST.MF has this line in it (among others):<br>
&gt;<br>
&gt;         Bundle-ClassPath: icu4j-charsets.jar,icu4j.jar<br>
&gt;<br>
&gt; These few metadata files replace the big &quot;com.ibm.icu_4.0.1.v20090822.jar&quot;<br>
&gt;  blob that comes bundled with Eclipse.<br>
&gt;<br>
<br>
We should continue maintaining these headers until 3.5 is stabilised, once<br>
this happens they can be removed.<br>
<br>
I plan on moving eclipse-sdk:3.5 into the tree this week.  There are some<br>
things that I would like to be done.  (see [1]) but I believe that this ebuild<br>
is far better than the current one so i&#39;m prepared to compromise.<br>
<br>
As an example we currently build against bundled jars and then replace them<br>
with system jars.<br>
<br>
If anyone has any objections then please speak up.<br>
<br>
Thanks<br>
<br>
Alistair.<br>
<br>
ps.  Currently I&#39;m singing Matt&#39;s praises from the rafters, please join me.<br>
<br>
<br>
[1] <a href="https://bugs.gentoo.org/show_bug.cgi?id=296296" target="_blank">https://bugs.gentoo.org/show_bug.cgi?id=296296</a><br>
</blockquote></div>
Replies:
Re: OSGI manifests and existing packages
-- Alistair Bush
References:
OSGI manifests and existing packages
-- Alistair Bush
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Updated Mar 06, 2012

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