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如何修复 ROS2 构建错误：missing ethercat_sdk_masterConfig.cmake

问题

尝试使用 colcon build 构建某些 ROS 包时，你看到如下错误消息

cmake_error_ethercat_sdk.txt
CMake Error at CMakeLists.txt:27 (find_package):
  By not providing "Findethercat_sdk_master.cmake" in CMAKE_MODULE_PATH this
  project has asked CMake to find a package configuration file provided by
  "ethercat_sdk_master", but CMake did not find one.

  Could not find a package configuration file provided by
  "ethercat_sdk_master" with any of the following names:

    ethercat_sdk_masterConfig.cmake
    ethercat_sdk_master-config.cmake

  Add the installation prefix of "ethercat_sdk_master" to CMAKE_PREFIX_PATH
  or set "ethercat_sdk_master_DIR" to a directory containing one of the above
  files.  If "ethercat_sdk_master" provides a separate development package or
  SDK, be sure it has been installed.

解决方案

不幸的是，安装它不像只安装一个包那么简单。

通常，它涉及以下步骤：

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