ROS .so载入undefined reference to `dlopen'问题
来源：互联网 发布：淘宝运营工资待遇 编辑：程序博客网 时间：2024/05/17 22:13
在ros下做libpcan导入是遇到`dlopen'，`dlclose'等函数没有定义问题，查了好多资料，并没有解决，在google上搜索cmake dlopen后第一条就是解决方案。原文如下。
Suppose you get this error with the main.cpp file below:
Linking CXX executable testlink CMakeFiles/testlink.dir/main.cpp.o: In function `main': main.cpp:(.text+0x1a): undefined reference to `dlopen' main.cpp:(.text+0x2a): undefined reference to `dlclose' collect2: ld returned 1 exit status make[2]: *** [testlink] Error 1 make[1]: *** [CMakeFiles/testlink.dir/all] Error 2 make: *** [all] Error 2All you need to do is add ${CMAKE_DL_LIBS} to the target_link_libraries() call:
target_link_libraries(testlink ${CMAKE_DL_LIBS})将testlink换成你的源码名称即可，添加在包的CMakeList.txt，就是添加add_executabla(源码名 src/源码名.cpp)的位置
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