kindly help me regardin the error as i am unable to solve it i was installing gazebo through Multi-Vehicle Simulation · PX4 Developer Guide but on the third step its giving error
cactus@cactus-Inspiron-5559:~/Firmware$ DONT_RUN=1 make px4_sitl_default gazebo
[2/6] Performing configure step for ‘sitl_gazebo’
– install-prefix: /usr/local
– Using C++14 compiler
– Boost version: 1.58.0
– Found the following Boost libraries:
– system
– thread
– filesystem
– chrono
– date_time
– atomic
– Boost version: 1.58.0
– Checking for module ‘gstreamer-1.0 >= 1.0’
– Checking for module ‘gstreamer-base-1.0 >= 1.0’
– Building klt_feature_tracker without catkin
– Building OpticalFlow with OpenCV
– catkin DISABLED
– Gazebo version: 7.0
– Found GStreamer: adding gst_camera_plugin
– Found GStreamer: adding gst_video_stream_widget
CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
GSTREAMER_LIBRARIES (ADVANCED)
linked by target “LiftDragPlugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_gst_camera_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_barometer_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_geotagged_images_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_magnetometer_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “sensor_msgs” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_irlock_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_video_stream_widget” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_controller_interface” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_wind_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “std_msgs” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_gps_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_sonar_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “mav_msgs” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “nav_msgs” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_lidar_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_opticalflow_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_mavlink_interface” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_uuv_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_vision_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_multirotor_base_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_imu_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_gimbal_controller_plugin” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “physics_msgs” in directory /home/cactus/Firmware/Tools/sitl_gazebo
linked by target “gazebo_motor_model” in directory /home/cactus/Firmware/Tools/sitl_gazebo
– Configuring incomplete, errors occurred!
See also “/home/cactus/Firmware/build/px4_sitl_default/build_gazebo/CMakeFiles/CMakeOutput.log”.
See also “/home/cactus/Firmware/build/px4_sitl_default/build_gazebo/CMakeFiles/CMakeError.log”.
[2/6] Generating …/…/logs
FAILED: cd /home/cactus/Firmware/build/px4_sitl_default/build_gazebo && /usr/bin/cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DSEND_VISION_ESTIMATION_DATA=ON -GNinja /home/cactus/Firmware/Tools/sitl_gazebo && /usr/bin/cmake -E touch /home/cactus/Firmware/build/px4_sitl_default/external/Stamp/sitl_gazebo/sitl_gazebo-configure
ninja: build stopped: subcommand failed.
Makefile:193: recipe for target ‘px4_sitl_default’ failed
make: *** [px4_sitl_default] Error 1