whenever i type this command i get the following error massage
[5/486] 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: 7.16
– 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/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_gst_camera_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_parachute_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_catapult_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_barometer_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_wind_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_geotagged_images_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_opticalflow_mockup_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_magnetometer_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “sensor_msgs” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_irlock_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_video_stream_widget” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_controller_interface” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “std_msgs” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_gps_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_usv_dynamics_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_sonar_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “mav_msgs” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “nav_msgs” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_lidar_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_opticalflow_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_mavlink_interface” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_uuv_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_vision_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_multirotor_base_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_imu_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_gimbal_controller_plugin” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “physics_msgs” in directory /home/void/src/Firmware/Tools/sitl_gazebo
linked by target “gazebo_motor_model” in directory /home/void/src/Firmware/Tools/sitl_gazebo
– Configuring incomplete, errors occurred!
See also “/home/void/src/Firmware/build/px4_sitl_default/build_gazebo/CMakeFiles/CMakeOutput.log”.
See also “/home/void/src/Firmware/build/px4_sitl_default/build_gazebo/CMakeFiles/CMakeError.log”.
[5/486] Generating git version header
FAILED: cd /home/void/src/Firmware && /usr/bin/python3 /home/void/src/Firmware/src/lib/version/px_update_git_header.py /home/void/src/Firmware/build/px4_sitl_default/src/lib/version/build_git_version.h --validate
Error: the git tag ‘–l’ does not match the expected format.
The expected format is ‘v[-]’
: v..[-rc|-beta]
: ..
Examples:
v1.9.0rc3 (deprecated)
v1.9.0-rc3 (preferred)
v1.9.0-beta1
v1.9.0-1.0.0
See also Building the Code · PX4 Developer Guide
[5/486] Building CXX object…_daemon.dir/server_io.cpp.o
FAILED: cd /home/void/src/Firmware/build/px4_sitl_default/build_gazebo && /usr/bin/cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DSEND_VISION_ESTIMATION_DATA=ON -GNinja /home/void/src/Firmware/Tools/sitl_gazebo && /usr/bin/cmake -E touch /home/void/src/Firmware/build/px4_sitl_default/external/Stamp/sitl_gazebo/sitl_gazebo-configure
ninja: build stopped: subcommand failed.
Makefile:205: recipe for target ‘px4_sitl’ failed
make: *** [px4_sitl] Error 1