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【学习笔记】解决编译 Serial Communication Library 时的 Catkin 依赖问题

Serial Communication Library 是一个用 C++ 编写的用于连接类似 rs-232 串口的跨平台库。它提供了一个现代的 C++ 接口，它的工作流程设计在外观和感觉上与 PySerial 相似，但串口速率和控制由 C++ 提供。

github 地址：

https://github.com/wjwwood/serial

Serial Communication Library 在多个机器人相关项目中使用，可以像大多数 unix 库一样通过 make 和 sudo make install 构建并安装到操作系统中，但因为它是一个 catkin 项目，所以也可以在 catkin 工作区中与其他 catkin 项目一起构建。

我使用 cmake 来编译这个工程，会有如下的错误：

CMake Error at CMakeLists.txt:5 (find_package):By not providing "Findcatkin.cmake" in CMAKE_MODULE_PATH this project hasasked CMake to find a package configuration file provided by "catkin", butCMake did not find one.Could not find a package configuration file provided by "catkin" with anyof the following names:catkinConfig.cmakecatkin-config.cmakeAdd the installation prefix of "catkin" to CMAKE_PREFIX_PATH or set"catkin_DIR" to a directory containing one of the above files.  If "catkin"provides a separate development package or SDK, be sure it has beeninstalled.

可以看到，必须安装相应的 Catkin 环境才可以编译，因为我没有安装 Catkin 环境，所以没办法编译成功。但是我不想依赖 Catkin，所以就去寻找了去除 Catkin 依赖的方法。

我在这个github项目的 Issues 中看到了很多人也有这个需求，最后在这里Remove Catkin dependency while keeping CMake’s find_package() feature by dbolkensteyn · Pull Request #133 · wjwwood/serial · GitHub中找到了解决方案，只需要修改 CMakeLists.txt 就可以删除Catkin依赖。

CMakeLists.txt 中需要修改的地方对比图如下：

最后将 CMakeLists.txt 修改成如下：

cmake_minimum_required(VERSION 2.8.3)
project(serial)if(APPLE)find_library(IOKIT_LIBRARY IOKit)find_library(FOUNDATION_LIBRARY Foundation)
endif()## Sources
set(serial_SRCSsrc/serial.ccinclude/serial/serial.hinclude/serial/v8stdint.h
)
if(APPLE)# If OSXlist(APPEND serial_SRCS src/impl/unix.cc)list(APPEND serial_SRCS src/impl/list_ports/list_ports_osx.cc)
elseif(UNIX)# If unixlist(APPEND serial_SRCS src/impl/unix.cc)list(APPEND serial_SRCS src/impl/list_ports/list_ports_linux.cc)
else()# If windowslist(APPEND serial_SRCS src/impl/win.cc)list(APPEND serial_SRCS src/impl/list_ports/list_ports_win.cc)
endif()## Add serial library
add_library(${PROJECT_NAME} STATIC ${serial_SRCS})
if(APPLE)target_link_libraries(${PROJECT_NAME} ${FOUNDATION_LIBRARY} ${IOKIT_LIBRARY})
elseif(UNIX)target_link_libraries(${PROJECT_NAME} rt pthread)
else()target_link_libraries(${PROJECT_NAME} setupapi)
endif()## Add example project
add_executable(serial_example examples/serial_example.cc)
add_dependencies(serial_example ${PROJECT_NAME})
target_link_libraries(serial_example ${PROJECT_NAME})## Include headers
include_directories(include)## Install
set(INSTALL_LIB_DIR lib)
set(INSTALL_INCLUDE_DIR include)
set(INSTALL_CMAKE_DIR share/serial/cmake)## Install executable
install(TARGETS ${PROJECT_NAME}DESTINATION ${INSTALL_LIB_DIR}EXPORT ${PROJECT_NAME}-targets
)## Install headers
install(FILES include/serial/serial.h include/serial/v8stdint.hDESTINATION ${INSTALL_INCLUDE_DIR}/serial)## Install CMake files
install(EXPORT ${PROJECT_NAME}-targets DESTINATION ${INSTALL_CMAKE_DIR})include(CMakePackageConfigHelpers)
write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Version.cmakeVERSION 1.2.1COMPATIBILITY AnyNewerVersion)install(FILES ${CMAKE_SOURCE_DIR}/cmake/${PROJECT_NAME}Config.cmake ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Version.cmakeDESTINATION ${INSTALL_CMAKE_DIR})## Tests
# FIXME
#if(CATKIN_ENABLE_TESTING)
#    add_subdirectory(tests)
#endif()

修改完之后重新 cmake 就可以了。

本文链接：https://blog.csdn.net/u012028275/article/details/140701592