java issues

[Robert Schuster]

Hi,
havent seen this mail until now.

Christopher Friedt schrieb:
> PREFERRED_VERSION_jamvm-initial = "1.4.5"
> (which does not exist in the package database)
> PREFERRED_VERSION_classpath-initial = "0.93"
What is the problem with jamvm-initial 1.4.5?
org.openembedded.dev/packages/jamvm$ LC_ALL=C mtn status
jamvm-initial_1.4.5.bb
Current branch: org.openembedded.dev
Changes against parent cb6a3a7d80899c933d896433692fea93b4760412
  no changes

> PREFERRED_VERSION_cacao-native = "0.99.3"
> (which does not exist in the package database)
> PREFERRED_VERSION_classpath-native = "0.97.2"

org.openembedded.dev/packages/cacao$ LC_ALL=C mtn status
cacao-native_0.99.3.bb
Current branch: org.openembedded.dev
Changes against parent cb6a3a7d80899c933d896433692fea93b4760412
  no changes

I suppose you are using the .stable branch. The instructions on the page
you mentioned are for the .dev branch only.

> I've run into countless build problems, where some of them are
> documented in bug #4588.
> 
> http://bugs.openembedded.net/show_bug.cgi?id=4588
That bug is filed against .dev, is this right?

> The furthest I've ever gotten in my build of 'rxtx' was (starting from
> scratch) by creating my own jamvm-initial-1.5.1.bb and using jamvm as
> the preferred native, initial, and target VMs, but finally, when I got
> to the point where I was about to build rxtx, rxtx died complaining that
> there was no symbol called 'vm_createjvm', which existed in the cacao
> binary in tmp/work/x86_64-linux/usr/bin. I'm not quite sure why the
> cacao binary was even there, because theoretically, if it's not the
> preferred provider for any java stage, then it shouldn't be there.
The error message is from a cacao binary. Have a look what is 'java' in
your staging directory. It is a symlink pointing to either jamvm or
cacao. Whatever was built last (Ideally it should not be needed to build
 jamvm-native and cacao-native).

> Has anyone managed to successfully create a working Java environment or
> is the 'stability' documented on the Wiki just myth?
You can get ready built packages for the beagleboard via Angstrom. It
also contains cacao, jamvm and phoneme-advanced for your target.

Regards
Robert

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