Hello Rosen, here are my outputs: raph@DTI-PC030:~/data$ locate libopenrave.so /home/raph/rosnodes/openrave_planning/openrave/lib/libopenrave.so /home/raph/rosnodes/openrave_planning/openrave/lib/libopenrave.so.0 /home/raph/rosnodes/openrave_planning/openrave/lib/libopenrave.so.0.2.19 /home/raph/rosnodes/openrave_planning/openrave/openrave_svn/build/src/libopenrave/libopenrave.so /home/raph/rosnodes/openrave_planning/openrave/openrave_svn/build/src/libopenrave/libopenrave.so.0 /home/raph/rosnodes/openrave_planning/openrave/openrave_svn/build/src/libopenrave/libopenrave.so.0.2.19 raph@DTI-PC030:~/data$ locate libopenrave-core.so /home/raph/rosnodes/openrave_planning/openrave/lib/libopenrave-core.so /home/raph/rosnodes/openrave_planning/openrave/lib/libopenrave-core.so.0 /home/raph/rosnodes/openrave_planning/openrave/lib/libopenrave-core.so.0.2.19 /home/raph/rosnodes/openrave_planning/openrave/openrave_svn/build/src/libopenrave-core/libopenrave-core.so /home/raph/rosnodes/openrave_planning/openrave/openrave_svn/build/src/libopenrave-core/libopenrave-core.so.0 /home/raph/rosnodes/openrave_planning/openrave/openrave_svn/build/src/libopenrave-core/libopenrave-core.so.0.2.19 raph@DTI-PC030:~/data$ rospack export --lang=cpp --attrib=lflags openrave -Wl,-rpath,/home/raph/rosnodes/openrave_planning/openrave/lib -L/home/raph/rosnodes/openrave_planning/openrave/lib -lopenrave -L/usr/lib /usr/lib/libboost_thread-mt.so -Wl,-rpath,/home/raph/rosnodes/soqt/lib -L/home/raph/rosnodes/soqt/lib -lSoQt -Wl,-rpath,/opt/ros/cturtle/stacks/physics_ode/opende/opende/lib -Wl,-rpath,/opt/ros/cturtle/stacks/physics_ode/opende/opende/lib -L/opt/ros/cturtle/stacks/physics_ode/opende/opende/lib -lode -L/opt/ros/cturtle/stacks/geometry/bullet/lib -Wl,-rpath,/opt/ros/cturtle/stacks/geometry/bullet/lib -lBulletDynamics -lBulletCollision -lLinearMath -Wl,-rpath,/opt/ros/cturtle/ros/core/roscpp/lib -L/opt/ros/cturtle/ros/core/roscpp/lib -lros -lboost_thread-mt -lboost_signals-mt -Wl,-rpath,/opt/ros/cturtle/ros/3rdparty/xmlrpcpp/lib -L/opt/ros/cturtle/ros/3rdparty/xmlrpcpp/lib -lXmlRpc -Wl,-rpath,/opt/ros/cturtle/ros/core/rosconsole/lib -L/opt/ros/cturtle/ros/core/rosconsole/lib -lrosconsole -lboost_thread-mt -llog4cxx -Wl,-rpath,/opt/ros/cturtle/ros/core/roslib/lib -L/opt/ros/cturtle/ros/core/roslib/lib -lroslib -L/opt/ros/cturtle/ros/tools/rospack/lib -Wl,-rpath,/opt/ros/cturtle/ros/tools/rospack/lib -lrospack -lrosstack I am not sure if I get the output of rospack export right, but I understand from the part in bold that the compiler will look for openrave in /usr/lib. But I don't get what is this non-prefixed /usr/lib/libboost_thread-mt.so part? I tried to check if there is any openrave library left in /usr/lib by running find /usr/lib/ -name "*rave*", but this does not return anything linked to openrave (trace http://ros-users.122217.n3.nabble.com/file/n2574077/trace.txt here ) Apart from that, the rest of the included folders looks correct to me. Is there anything I got wrong? Raph -- View this message in context: http://ros-users.122217.n3.nabble.com/compilation-breaks-for-posedetectiondb-tp2451297p2574077.html Sent from the ROS-Users mailing list archive at Nabble.com.