firmdl: undefined symbol: rcx_open

[derpflanz]

Hi,

I am trying to get leJOS 3.0.0-RC2 to work on Ubuntu 11.10, using OpenJDK 1.6.0. The building of the tools seem to go without any problems, as long as all the exported dirs are OK. When I try to run firmdl however, I run into this problem:

bart@dosar:~/Projects/Lejos/lejos-3.0/bin$ ./firmdl
read firmware srec
100%
Installing firmware
Loading native libs
java: symbol lookup error: /home/bart/Projects/Lejos/lejos-3.0/bin/libjirtrcx.so: undefined symbol: rcx_open

When I do a ldd -d libirtrcx, it shows the symbols correctly. It seems like libjirtrcx.so never gets to link libirtrcx.so

I tried to rebuild the libraries with several JDKs, by using 'ant clean' and 'ant' again.

Any ideas?

Regards,
Bart

[garfl]

Hi,

I have run into the same problem (also using Ubuntu 11.10 and java 1.6.0).
Have you been able to make any progress?

Regards,

Gabriel

[derpflanz]

Yes, install brickOS.

[FlossieLeon]

Hi there.
So you are saying that installing brickOS will help.
What kind of OS is it? Never heard about it.
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[derpflanz]

Google is your friend, but you find it here: http://brickos.sourceforge.net/

It's a C/C++ based OS for the RCX2.0 and works like a charm.