[Rock-dev] [robot-toolchain] The "undefined symbols" warnings at the end of the autoproj build is NOT just for the beauty of magenta text

[Thomas Roehr]

On 17.12.2010 10:37, Sylvain Joyeux wrote:
> On 12/17/2010 09:55 AM, Thomas Roehr wrote:
>> Hey Sylvain,
>>
>> two things:
>> (a) can you take the updated FindBoost.cmake from typelib and put in
>> into utilmm (I don't have permissions on orocos-toolchain), to get a
>> consistent library setup.
> Just clone utilmm on rock and update rock.toolchain.
>
K, done
>> (b) just want to remark that the *task-gnu-linux.so will cause warnings,
>> since the linking to liborocos-rtt-corba-gnulinux.so
>> is not linked to it. The final deployment will be fine though.
> Mmmm ... Not entirely true, since all our tasks library are perfectly 
> fine.
>
> The issue is that you are using CORBA stuff in your task library, 
> which is *not* the normal case (task libraries are supposed to be 
> independent of any transport).
>
> There's a FindRTTPlugin macro that you can use to find 
> rtt-transpor-corba. Check the deployments CMake code in 
> .orogen/config/*Deployment.cmake

Adding OrocosCORBA_LIBRARIES to the linking in tasks/CMakeLists.txt does 
the job.

TARGET_LINK_LIBRARIES(${ASTRIUMPROXY_TASKLIB_NAME}
      ${OrocosRTT_LIBRARIES}
      ${OrocosCORBA_LIBRARIES}
      ${ASTRIUMPROXY_TASKLIB_DEPENDENT_LIBRARIES}
      ${ASTRIUM_PROXY_LIBRARIE

-- 

Thomas Röhr (M.Sc.)
Space Robotics

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DFKI GmbH
Robotics Innovation Center
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E-Mail:robotik at dfki.de

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