Yey, at least I'm not the only goLD victim. Yes, I think we should export those flags from colladadom. Btw Ruben, are 
you using trunk?

Ruben Smits wrote:
> On Thursday 08 April 2010 00:46:59 Wim Meeussen wrote:
>> Ros users,
>>
>> We just released robot_model 1.1.0. This is an _unstable_ development
>> branch to prepare new features for the next ROS distribution. The most
>> exciting new feature is the URDF to COLLADA <http://www.collada.org>
>> conversion tool. For more details, check out the stack documentation
>> <http://www.ros.org/wiki/robot_model> and change list
>> <http://www.ros.org/wiki/robot_model/ChangeList>.
> 
> When i try to compile collada_urdf i get the following linking error:
> 
> Linking CXX executable ../bin/urdf_to_collada
> /usr/bin/ld: CMakeFiles/urdf_to_collada.dir/src/urdf_to_collada.o: in function 
> __static_initialization_and_destruction_0(int, 
> int):/usr/include/boost/system/error_code.hpp:205: error: undefined reference 
> to 'boost::system::get_system_category()'
> /usr/bin/ld: CMakeFiles/urdf_to_collada.dir/src/urdf_to_collada.o: in function 
> __static_initialization_and_destruction_0(int, 
> int):/usr/include/boost/system/error_code.hpp:206: error: undefined reference 
> to 'boost::system::get_generic_category()'
> /usr/bin/ld: CMakeFiles/urdf_to_collada.dir/src/urdf_to_collada.o: in function 
> __static_initialization_and_destruction_0(int, 
> int):/usr/include/boost/system/error_code.hpp:211: error: undefined reference 
> to 'boost::system::get_generic_category()'
> /usr/bin/ld: CMakeFiles/urdf_to_collada.dir/src/urdf_to_collada.o: in function 
> __static_initialization_and_destruction_0(int, 
> int):/usr/include/boost/system/error_code.hpp:212: error: undefined reference 
> to 'boost::system::get_generic_category()'
> /usr/bin/ld: CMakeFiles/urdf_to_collada.dir/src/urdf_to_collada.o: in function 
> __static_initialization_and_destruction_0(int, 
> int):/usr/include/boost/system/error_code.hpp:213: error: undefined reference 
> to 'boost::system::get_system_category()'
> collect2: ld returned 1 exit status
> 
> I'm using the gold linker, but i dont see any -lboost_system added to the 
> linker command. Should this be exported by the colladadom package?
> 
> Adding rosbuild_link_boost(urdf_to_collada system filesystem) to the 
> CMakeLists.txt of collada_urdf fixes the problem, but I don't think this is 
> what you want?
> 
> Ruben
>  
>> Wim
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