when i ran catkin_make i have got this problem

[issouker97]

-- +++ processing catkin package: 'cvg_sim_gazebo'
-- ==> add_subdirectory(tum_simulator/cvg_sim_gazebo)
CMake Warning at /opt/ros/indigo/share/catkin/cmake/catkinConfig.cmake:76 (find_package):
Could not find a package configuration file provided by "gazebo_ros" with
any of the following names:

gazebo_rosConfig.cmake
gazebo_ros-config.cmake

Add the installation prefix of "gazebo_ros" to CMAKE_PREFIX_PATH or set
"gazebo_ros_DIR" to a directory containing one of the above files. If
"gazebo_ros" provides a separate development package or SDK, be sure it has
been installed.
Call Stack (most recent call first):
tum_simulator/cvg_sim_gazebo/CMakeLists.txt:7 (find_package)

-- Could not find the required component 'gazebo_ros'. The following CMake error indicates that you either need to install the package with the same name or change your environment so that it can be found.
CMake Error at /opt/ros/indigo/share/catkin/cmake/catkinConfig.cmake:83 (find_package):
Could not find a package configuration file provided by "gazebo_ros" with
any of the following names:

gazebo_rosConfig.cmake
gazebo_ros-config.cmake

Add the installation prefix of "gazebo_ros" to CMAKE_PREFIX_PATH or set
"gazebo_ros_DIR" to a directory containing one of the above files. If
"gazebo_ros" provides a separate development package or SDK, be sure it has
been installed.
Call Stack (most recent call first):
tum_simulator/cvg_sim_gazebo/CMakeLists.txt:7 (find_package)

-- Configuring incomplete, errors occurred!
See also "/home/islamusma/catkin_ws/build/CMakeFiles/CMakeOutput.log".
See also "/home/islamusma/catkin_ws/build/CMakeFiles/CMakeError.log".
make: *** [cmake_check_build_system] Error 1
Invoking "make cmake_check_build_system" failed

please help me to get rid from this problem , i look forward for your swift relply

[peasant98]

Hi @issouker97, try sudo apt-get install ros-<version>-gazebo-ros. In your case - sudo apt-get install ros-indigo-gazebo-ros.