2016-11-17 14:34:31 -0500 | received badge | ● Famous Question
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2016-11-17 14:15:37 -0500 | answered a question | undefined reference to nlopt oh, let me end my problem.(get help from labmate)
int the cmakelists.txt , focus on the last line. the project_name means my findnlopt.cmake works no results. you can change it with ${NLOPT_LIBRARIES} now, it works well.
or in the terminal:
5.catkin_make clean and. rm -Rf devel/ build/ which also works. it's just a demo to show the related problems.
thanks upfloor guy. ## Declare a cpp library
add_library(${PROJECT_NAME}
src/dubins_z_state_space.cpp
src/curvature_bvp_solver.cpp
src/clothoid_state_space.cpp
src/dubins_feasible_path_generator.cpp
src/clothoid_z_state_space.cpp
src/glideslope_bvp_solver.cpp)
target_link_libraries(${PROJECT_NAME} ${catkin_LIBRARIES} ${NLOPT_LIBRARIES})
## Declare a cpp executable
add_executable(${PROJECT_NAME}_example_dubins_z_path examples/example_dubins_z_path.cpp)
target_link_libraries(${PROJECT_NAME}_example_dubins_z_path ${PROJECT_NAME} ${catkin_LIBRARIES})
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2016-11-17 08:38:49 -0500 | commented answer | undefined reference to nlopt i found a findnlopt.cmake file, but do not know how to use it. maybe i should to contact to the project writer. |
2016-11-15 10:52:28 -0500 | received badge | ● Notable Question
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2016-11-15 08:28:38 -0500 | commented answer | undefined reference to nlopt thank you very much, i update the CMakeLists.txt. |
2016-11-15 01:10:42 -0500 | received badge | ● Popular Question
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2016-11-14 11:11:56 -0500 | commented question | undefined reference to nlopt ok, i'm sorry, first time to make a question. |
2016-11-14 11:03:53 -0500 | received badge | ● Editor
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2016-11-14 10:52:17 -0500 | commented question | Undefined reference to nlopt |
2016-11-14 10:52:17 -0500 | asked a question | undefined reference to nlopt I use sudo apt-get install libnlopt-dev to install nlopt lib. when i catkin_make in my pc, report says like bellow, like can't link the lib. i donot know how to fix the problem. this is the report. alex@ubuntu:~/planner_examples_ws$ catkin_make
Base path: /home/alex/planner_examples_ws
Source space: /home/alex/planner_examples_ws/src
Build space: /home/alex/planner_examples_ws/build
Devel space: /home/alex/planner_examples_ws/devel
Install space: /home/alex/planner_examples_ws/install
####
#### Running command: "make cmake_check_build_system" in "/home/alex/planner_examples_ws/build"
####
####
#### Running command: "make -j4 -l4" in "/home/alex/planner_examples_ws/build"
####
[ 0%] [ 0%] Built target geometry_msgs_generate_messages_cpp
Built target std_msgs_generate_messages_cpp
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[ 0%] Built target std_msgs_generate_messages_py
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[ 12%] Built target _tictoc_profiler_generate_messages_check_deps_ProfilerEntry
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[ 75%] Built ... (more) |
2016-11-14 10:52:16 -0500 | asked a question | Undefined reference to nlopt I use sudo apt-get install libnlopt-dev to install nlopt lib. when i catkin_make in my pc, report says like bellow, like can't link the lib. i donot know how to fix the problem. alex@ubuntu:~/planner_examples_ws$ catkin_make
Base path: /home/alex/planner_examples_ws
Source space: /home/alex/planner_examples_ws/src
Build space: /home/alex/planner_examples_ws/build
Devel space: /home/alex/planner_examples_ws/devel
Install space: /home/alex/planner_examples_ws/install
####
#### Running command: "make cmake_check_build_system" in "/home/alex/planner_examples_ws/build"
####
####
#### Running command: "make -j4 -l4" in "/home/alex/planner_examples_ws/build"
####
[ 0%] [ 0%] Built target geometry_msgs_generate_messages_cpp
Built target std_msgs_generate_messages_cpp
[ 0%] Built target std_msgs_generate_messages_lisp
[ 0%] Built target geometry_msgs_generate_messages_lisp
[ 0%] [ 0%] Built target _gridmapping_msgs_generate_messages_check_deps_GridObstacleUpdate
Built target _gridmapping_msgs_generate_messages_check_deps_GridPoint
[ 0%] Built target std_msgs_generate_messages_py
[ 0%] Built target geometry_msgs_generate_messages_py
[ 1%] Built target circular_curve_lib
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[ 4%] Built target gdal_utils
[ 6%] Built target math_utils
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[ 6%] Built target random_points1
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[ 7%] Built target std_msgs_util
[ 12%] Built target sbpl
[ 12%] Built target nav_msgs_generate_messages_lisp
[ 12%] Built target _tictoc_profiler_generate_messages_check_deps_ProfilerEntry
[ 12%] Built target _ca_nav_msgs_generate_messages_check_deps_PathXYZVPsi
[ 12%] Built target _ca_nav_msgs_generate_messages_check_deps_PathXYZ
[ 12%] Built target _ca_nav_msgs_generate_messages_check_deps_XYZVPsi
[ 12%] Built target _ca_nav_msgs_generate_messages_check_deps_XYZVViewPoint
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[ 44%] Built target pcl_util_examples
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