Xerces-2.10+ in ecj-bootstrap

[DJ Lucas]

This came up a couple of months ago on list and I wanted to bring it 
back up now that 1.10 has branched.

http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2010-December/011293.html

At the time, I regretfully said that I didn't think it was important, 
but changed my own mind in a couple of days as I couldn't see one of my 
users having a really old version of Xerces laying around, and the 
possibility of them installing newer was something that I wanted to nip 
before it happened. I'm currently using this simple patch as a workaround:

http://www.linuxfromscratch.org/patches/blfs/svn/icedtea6-1.9.7-xerces2_10-1.patch

I don't know exactly how old would be considered too old, but it looks 
like the xml-apis.jar file has been there for a while, but I haven't 
tested with anything older than 2.9, for which the patch is not required 
but doesn't cause any harm with icedtea in java-home. I also have not 
tested with gcj in java-home.

Further in the previously mentioned thread, Andrew had suggested that if 
the bootstrap compiler was IcedTea, that test cases be added to see if 
the bootstrap compiler was capable without the need for the external 
project files. I haven't yet put any time into that (a couple extra meg 
for my users is just not a big deal as I'd imagine it's not likely a big 
deal for most maintainers).

-- DJ Lucas


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