# Revision history [back]

### undefined reference

Hi all I know that undefined reference error comes from the edition links during the compilation.

I want to add an external libraries (contain method's class definition) to my package to use it in my program, so how can I do that ?

• I'm working with ROS hydro-64bits.
• I have a folder contains files *.so

### undefined reference

Hi all I know that undefined reference error comes from the edition links during the compilation.

But what I want to do is to add an external libraries (contain method's class definition) to my package to use it in my program, so how can I do that ?

• I'm working with ROS hydro-64bits.
• I have a folder contains files *.so

### undefined reference

Hi all I know that undefined reference error comes from the edition links during the compilation.

But So what I want to do is to add an external libraries (contain method's class definition) to my package to use it in my program, so how can I do that ?

• I'm working with ROS hydro-64bits.
• I have a folder contains files *.so

### undefined reference

Hi all I know that undefined reference error comes from the edition links during the compilation.

So what I want to do is to add an external libraries (contain method's class definition) to my package to use it in my program, so how can I do that ?

• I'm working with ROS hydro-64bits.
• I have a folder contains files *.so*.so .

### undefined reference

Hi all I know that undefined reference error comes from the edition links during the compilation.

So what I want to do is to add an external libraries (contain method's class definition) to my package to use it in my program, so how can I do that ?

• I'm working with ROS hydro-64bits.
• I have a folder contains files *.so .

Thank you

### undefined reference

Hi all I know that undefined reference error comes from the edition links during the compilation.

So what I want to do is to add an external libraries (contain method's class definition) to my package to use it in my program, so how can I do that ?

• I'm working with ROS hydro-64bits.
• I have a folder contains files *.so .

This is my CmakeList.txt

    cmake_minimum_required(VERSION 2.4.6)
include($ENV{ROS_ROOT}/core/rosbuild/rosbuild.cmake) # Set the build type. Options are: # Coverage : w/ debug symbols, w/o optimization, w/ code-coverage # Debug : w/ debug symbols, w/o optimization # Release : w/o debug symbols, w/ optimization # RelWithDebInfo : w/ debug symbols, w/ optimization # MinSizeRel : w/o debug symbols, w/ optimization, stripped binaries #set(ROS_BUILD_TYPE RelWithDebInfo) rosbuild_init() #set the default path for built executables to the "bin" directory set(EXECUTABLE_OUTPUT_PATH${PROJECT_SOURCE_DIR}/bin)
#set the default path for built libraries to the "lib" directory
set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/lib) #uncomment if you have defined messages #rosbuild_genmsg() #uncomment if you have defined services #rosbuild_gensrv() #common commands for building c++ executables and libraries #rosbuild_add_library(${PROJECT_NAME} src/example.cpp)
#target_link_libraries(${PROJECT_NAME} another_library) #rosbuild_add_boost_directories() #rosbuild_link_boost(${PROJECT_NAME} thread)
#target_link_libraries(example ${PROJECT_NAME}) #target_link_libraries(MCORE /home/jros/roskinectueye/kinectueye/lib) #target_link_libraries(MCORE /lib) rosbuild_add_executable(kinectueye src/kinect_ueye.cpp) set(LIB_DIR${PROJECT_SOURCE_DIR}/lib10)
set(MY_LIBS ${LIB_DIR}/libMINTERFACE.so.0) target_link_libraries(kinectueye${catkin_LIBRARIES}