retroweaver tasks should use verify option
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Key: JRUBY-1751
URL: http://jira.codehaus.org/browse/JRUBY-1751
Project: JRuby
Issue Type: Improvement
Affects Versions: JRuby 1.x
Reporter: Xavier Le Vourch
Assignee: Thomas E Enebo
Attachments: retroweaver_verify_patch.txt
I recently became aware that you're using retroweaver on the trunk to generate
1.4 compatible jar files. I've looked at how it's done and the verifier option
should be set to make sure all 1.5 features used in jruby are supported, which
is not the case with the retroweaver 2.0 version you're using.
There are problems with BigDecimal and Character methods but I've already fixed
that in retroweaver's svn repository and it will be available in the next 2.0.3
version to be released shortly.
There's also a problem with the joni.jar file but it wasn't there with an older
version of the jar file or if I compile joni.jar from svn so it looks like a
packaging issue with joni.jar for revision 5298. When using the svn version of
retroweaver and a locally compiled joni.jar, there are no verify errors so the
weaved jar files should work fine with 1.4.
The attached patch needs to be modified as the location of the 1.4 rt.jar is
hard coded now but that should be coming from a property definition.
The "failonerror" flag is set to false but once all problems are solved, it
should probably be enabled to make sure compatibility issues are identified
quickly.
Finally, the backport library needs to be in the path during the weaving as
retroweaver will dynamically parse the jar to discover the supported methods.
Let me know if you need extra support for retroweaver,
Xavier
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