Re: [gentoo-java] Re: problems compiling junit

[Henrique Ferreiro]

Thank you very much. I unmerged and merged junit successfully.

I am using java-1.5-fixer from migration overlay. It seems that it does
not unmerge the offending packages first. When are you going to do
another release?

O Xov, 13-04-2006 ás 20:29 -0500, Joshua Nichols escribiu:
> Henrique Ferreiro wrote:
> >>>> I did not modify jdk.conf. Every line is commented.
> >> Then ant-core, as well as junit, should be build with 1.4. Is that the case?
> > No. ant-core is being built with jdk-1.5. Anyway junit does not compile using
> > 1.4 with ant-core.
> >
> >
>
>
> Alright... I'm pretty sure what the problem is. If you take a look at
> /usr/bin/ant... at some point, it pulls in a bunch of jars from several
> packages. This is necessary to make sure that all the ant tasks work
> properly. One of these happens to be junit....
>
>
> So what I believe is happening... you have junit installed (and built
> with 1.5), then go to rebuild with 1.4. The ebuild calls ant, which
> pulls in junit compiled with 1.5 onto the classpath. When javac tries to
> resolve junit classes... it's getting them from the 1.5-built junit,
> instead of the junit which is being built. So, the workaround would be
> to unmerge junit before trying to rebuidl it with 1.4.
>
> Essentially, this problem comes down to who we handle /usr/bin/ant, and
> how it pulls in all its dependencies. It is currently hardcoded to bring
> in certain packages, which is less than ideal, because we need to have
> fine-grain control over the classpath. In particular, when building
> packages, we don't want to include the already-compiled version that is
> living on the system.
>
> Aside from this, I recommend you try the java-1.5-fixer I posted in a
> different thread. It actually goes through all of ant's dependencies,
> and if any were built with 1.5, will unmerge them, and merge them again.
>
> Hope this helps,
>
> Josh

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