CMake Error at CMakeLists.txt:42 (find_package):

By not providing “Findgazebo.cmake” in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by “gazebo”, but
CMake did not find one.

Could not find a package configuration file provided by “gazebo” with any
of the following names:

gazeboConfig.cmake
gazebo-config.cmake

解决方案：sudo apt-get install libgazebo7-dev