Hi,
The patches mentioned in this
ticket<https://code.ros.org/trac/wg-ros-pkg/ticket/4271>which should
resolve the above errors for the pr2_mechanism and
pr2_controllers stack.
John

On Thu, May 13, 2010 at 5:21 AM, Sascha Lange <sascha77@googlemail.com>wrote:

>
> I'm having the exact same problem on a fresh install of Ubuntu 10.04 Lucid,
> so it's not gone with the released version.
> The missing symbols are inlined implementations in
> boost/thread/pthread/condition_variable.hpp that implement methods in the
> corresponding condition_variable_fwd.hpp . I tried to include these headers
> directly from the sources of robot_mechanism_controllers in order to have
> the inline definitions there, but unfortunately that didn't help either.
> I've switched to gcc 4.3 for the moment but would appreciate any
> suggestions.
> --
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>
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