colcon 构建失败：“找不到“ament_cmake”提供的包配置文件”

Question

感谢任何帮助：我只是想在运行 ubuntu 的虚拟机上安装 Colcon，并且我正在使用此命令：colcon build --symlink-install 我收到此错误：

Starting >>> sick_scan2
--- stderr: sick_scan2
CMake Error at CMakeLists.txt:24 (find_package):
By not providing "Findament_cmake.cmake" in CMAKE_MODULE_PATH this 
project
has asked CMake to find a package configuration file provided by
"ament_cmake", but CMake did not find one.

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

ament_cmakeConfig.cmake
ament_cmake-config.cmake

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


---
Failed   <<< sick_scan2 [ Exited with code 1 ]

Summary: 0 packages finished [0.30s]
1 package failed: sick_scan2
1 package had stderr output: sick_scan2

Answer 1

看来你没有安装一些环境变量。

当我尝试使用 Colcon 构建 ROS2 项目时，我遇到了类似的问题。但是当我最初采购我的环境时（类似的事情. ~ros2_ws/install/setup.bash)就变得很好了。

PS如果您的问题也与ROS有关，请不要忘记在构建后将已安装的库添加到类路径中：. install/setup.bash。