无法找到“Eigen3”的CMake软件包配置文件 [英] Could not find CMake package configuration file for "Eigen3"

问题描述

当我输入此命令：

cd /Users/mona/ros_catkin_ws/build_isolated/pcl_ros && /Users/mona/ros_catkin_ws/install_isolated/env.sh cmake /Users/mona/ros_catkin_ws/src/perception_pcl/pcl_ros -DCATKIN_DEVEL_PREFIX=/Users/mona/ros_catkin_ws/devel_isolated/pcl_ros -DCMAKE_INSTALL_PREFIX=/Users/mona/ros_catkin_ws/install_isolated -DCMAKE_BUILD_TYPE=Release -G 'Unix Makefiles'

我收到此错误：

-- Boost version: 1.58.0
-- Found the following Boost libraries:
--   system
--   filesystem
--   thread
CMake Error at CMakeLists.txt:7 (find_package):
  By not providing "FindEigen3.cmake" in CMAKE_MODULE_PATH this project has
  asked CMake to find a package configuration file provided by "Eigen3", but
  CMake did not find one.

  Could not find a package configuration file provided by "Eigen3" with any
  of the following names:

    Eigen3Config.cmake
    eigen3-config.cmake

  Add the installation prefix of "Eigen3" to CMAKE_PREFIX_PATH or set
  "Eigen3_DIR" to a directory containing one of the above files.  If "Eigen3"
  provides a separate development package or SDK, be sure it has been
  installed.


-- Configuring incomplete, errors occurred!
See also "/Users/mona/ros_catkin_ws/build_isolated/pcl_ros/CMakeFiles/CMakeOutput.log".

此命令作为运行此命令的一部分运行以安装 ROS ：

This command is ran as part of running this command for installing ROS:

./src/catkin/bin/catkin_make_isolated --install -DCMAKE_BUILD_TYPE=Release

有什么想法如何解决？

更多细节问题在这里： http://answers.ros.org/question/215080/how-to-add-the-installation- prefix-of-eigen3-to-cmake_prefix_path-or-set-eigen3_dir-to-a-directory-containing-one-of-the-above-files /

Please see more details of question here: http://answers.ros.org/question/215080/how-to-add-the-installation-prefix-of-eigen3-to-cmake_prefix_path-or-set-eigen3_dir-to-a-directory-containing-one-of-the-above-files/

推荐答案

您必须安装Eigen3。它提供了FindEigen3.cmake文件。发生错误的原因是您要配置的项目对Eigen3有依赖性。

You have to install Eigen3. It provides the FindEigen3.cmake file. The error occurs because the project you want to configure, has a dependency to Eigen3.

如果您安装了Eigen3，请按照错误消息并将Eigen3添加到CMake的搜索路径。

If you have Eigen3 installed, follow the error message and add Eigen3 to CMake's search path.

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