JAXP suggestions

Nic Ferrier nferrier@tapsellferrier.co.uk
Wed Nov 27 14:11:00 GMT 2002

Anthony Green <green@redhat.com> writes:

> There's been some recent discussion on what to do with the JAXP parts of
> libgcj (org.xml and org.w3c mostly).  Here are my suggestions.  I think
> I got all the version info right, but would welcome corrections...
> 1. Keep org.xml and org.w3c up to date with the latest official JRE rev
> from Sun.  Sun's 1.4 spec is using JAXP 1.1.  I believe libgcj is
> missing a few things.  We can pull those classes out of GNUJAXP or some
> version of Xerces.  Everybody uses the same implementation anyways.
> We've already decided that importing this code is OK.
> 2. Add a mechanism to disable the use of libgcj's JAXP code.   Xerces is
> tracking JAXP 1.2.  The most recent versions of Tomcat and Xalan depend
> on the latest Xerces implementations.  The fact that we've got org.xml
> and org.w3c rolled into libgcj.so is actually a problem.  My suggestion
> is to pull libgcj's org.xml and org.w3c out into lib-org-xml.so and
> lib-org-w3c.so, and link these into every program _unless_ we use a new
> compiler flags -fno-jaxp (or something like that).  This would let
> people link against newer implementations of these classes and retain
> the nice feature of not having to worry about adding compiler/linker
> flags in the default case.
> 3. Keep using GNUJAXP, Xerces, etc as separate packages from libgcj
> (with the exception of the core JRE-tracking org.xml/w3c classes).
> I will do [1] and [2] if there are no objections.  I want to upgrade
> rhug's Xerces but this is getting in the way.

Sounds good.


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