未定义参考OpenSceneGraph的

我试图从这里https://github.com/uji-ros-pkg/visualization_osg编译ROS OSG项目，并不断收到以下错误：未定义参考OpenSceneGraph的

CMakeFiles/osg_interactive_markers_demo.dir/examples/osg_interactive_markers_demo.cpp.o: In function `main': 
/home/user/catkin_ws/src/visualization_osg/osg_interactive_markers/examples/osg_interactive_markers_demo.cpp:28: undefined reference to `osgViewer::View::addEventHandler(osgGA::EventHandler*)' 
/home/user/catkin_ws/src/visualization_osg/osg_interactive_markers/examples/osg_interactive_markers_demo.cpp:29: undefined reference to `osgViewer::View::addEventHandler(osgGA::EventHandler*)' 
/home/user/catkin_ws/devel/lib/libosg_utils.so: undefined reference to `osg::NodeVisitor::NodeVisitor(osg::NodeVisitor const&, osg::CopyOp const&)' 
/home/user/catkin_ws/devel/lib/libosg_interactive_markers.so: undefined reference to `osg::Group::removeChild(osg::Node*)' 
/home/user/catkin_ws/devel/lib/libosg_utils.so: undefined reference to `osg::NodeVisitor::apply(osg::Geometry&)' 
/home/user/catkin_ws/devel/lib/libosg_interactive_markers.so: undefined reference to `osg::Group::getNumChildren() const' 
/home/user/catkin_ws/devel/lib/libosg_utils.so: undefined reference to `osg::NodeVisitor::apply(osg::Drawable&)'

根据我的理解应该有一个链接的问题，但我不能找到一种方法要解决这个问题。我的CMake文件看起来如下：

cmake_minimum_required(VERSION 2.8.3) 
project(osg_interactive_markers) 

find_package(catkin REQUIRED COMPONENTS roscpp tf interactive_markers) 

find_package(osg_utils REQUIRED) 
find_package(osg_markers REQUIRED) 
find_package(OpenSceneGraph REQUIRED COMPONENTS osgSim osgUtil osgDB osgFX osgGA osgTerrain osgViewer osgText osgWidget osgManipulator osg) 

catkin_package(
INCLUDE_DIRS include 
LIBRARIES ${PROJECT_NAME} 
CATKIN_DEPENDS 
    roscpp 
    tf 
    interactive_markers 
DEPENDS 
    osg_markers 
    osg_utils 
    libopenscenegraph 
) 

include_directories(include ${catkin_INCLUDE_DIRS} ${osg_utils_INCLUDE_DIRS} ${osg_markers_INCLUDE_DIRS} ${OpenSceneGraph_INCLUDE_DIRS}) 
add_library(${PROJECT_NAME} 
    src/interactive_marker_client.cpp 
    src/interactive_marker_display.cpp 
    src/interactive_marker.cpp 
    src/interactive_marker_control.cpp 
    src/draggers.cpp 
) 

target_link_libraries(${PROJECT_NAME} ${catkin_LIBRARIES} ${OPENSCENEGRAPH_LIBRARIES} ${OSGUTILS_LIBRARIES} ${OSGMARKERS_LIBRARIES} -lGLU) 

add_executable(osg_interactive_markers_demo examples/osg_interactive_markers_demo.cpp) 
target_link_libraries(osg_interactive_markers_demo ${PROJECT_NAME} ${catkin_LIBRARIES} ${OPENSCENEGRAPH_LIBRARIES} ${OSGUTILS_LIBRARIES} ${OSGMARKERS_LIBRARIES} -lGLU) 

add_dependencies(${PROJECT_NAME} ${catkin_EXPORTED_TARGETS}) 

configure_file(osgInteractiveMarkersConfig.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/lib/${CMAKE_PROJECT_NAME}Config.cmake @ONLY) 

install(FILES ${CMAKE_CURRENT_BINARY_DIR}/lib/${CMAKE_PROJECT_NAME}Config.cmake 
     DESTINATION share/${CMAKE_PROJECT_NAME}) 

install(
TARGETS 
osg_interactive_markers_demo 
${PROJECT_NAME} 
ARCHIVE DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION} 
LIBRARY DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION} 
RUNTIME DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION} 
) 
install(DIRECTORY include/${PROJECT_NAME} 
DESTINATION ${CATKIN_PACKAGE_INCLUDE_DESTINATION})

任何想法可以在这里做什么？我是OSG的新手，我非常感谢你的帮助。

来源

2016-04-17 Etimr

您没有针对正确的OSG链接库。

我无法对你提到的具体项目GitHub的评论，但总的来说，如果你正在使用的自带的OSG分布FindOSG.cmake模块，你应该

FIND_PACKAGE(OSG REQUIRED)

，然后链接调用它像

OSG_LIBRARY 
OSGUTIL_LIBRARY 
OSGGA_LIBRARY 
etc...

没有定义 “全局” OPENSCENEGRAPH_LIBRARIES符号的具体OSG库，看到FindOSG.cmake

来源

2016-04-17 15:02:04 rickyviking

感谢您的回复@ rickyviking！我使用FindOpenSceneGraph.cmake [链接]（https://cmake.org/cmake/help/v3.0/module/FindOpenSceneGraph.html），根据它可以使用OPENSCENEGRAPH_LIBRARIES – Etimr

习题lem解决了，原因是错误的（双）安装OSG

来源

2016-04-20 13:40:57 Etimr

未定义参考OpenSceneGraph的

回答

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