jon@jon-ThinkCentre-M92P:~/PX4/PX4-Autopilot$ make px4_sitl gazebo
[0/5] Performing configure step for 'sitl_gazebo'
-- install-prefix: /usr/local
-- cmake build type: RelWithDebInfo
-- Using C++17 standard
CMake Error at CMakeLists.txt:47 (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
Add the installation prefix of "gazebo" to CMAKE_PREFIX_PATH or set
"gazebo_DIR" to a directory containing one of the above files. If "gazebo"
provides a separate development package or SDK, be sure it has been
installed.
-- Configuring incomplete, errors occurred!
See also "/home/jon/PX4/PX4-Autopilot/build/px4_sitl_default/build_gazebo/CMakeFiles/CMakeOutput.log".
See also "/home/jon/PX4/PX4-Autopilot/build/px4_sitl_default/build_gazebo/CMakeFiles/CMakeError.log".
FAILED: external/Stamp/sitl_gazebo/sitl_gazebo-configure
cd /home/jon/PX4/PX4-Autopilot/build/px4_sitl_default/build_gazebo && /usr/bin/cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DSEND_ODOMETRY_DATA=ON -GNinja /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo && /usr/bin/cmake -E touch /home/jon/PX4/PX4-Autopilot/build/px4_sitl_default/external/Stamp/sitl_gazebo/sitl_gazebo-configure
ninja: build stopped: subcommand failed.
make: *** [Makefile:226: px4_sitl] Error 1
jon@jon-ThinkCentre-M92P:~/PX4/PX4-Autopilot$
jon@jon-ThinkCentre-M92P:~$ cd ~/src/sitl_gazebo/build/
jon@jon-ThinkCentre-M92P:~/src/sitl_gazebo/build$ cmake ..
-- install-prefix: /usr
-- cmake build type: RelWithDebInfo
-- Using C++17 standard
CMake Error at CMakeLists.txt:47 (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
Add the installation prefix of "gazebo" to CMAKE_PREFIX_PATH or set
"gazebo_DIR" to a directory containing one of the above files. If "gazebo"
provides a separate development package or SDK, be sure it has been interfaces media models plugins release-notes.html tools worlds
jon@jon-ThinkCentre-M92P:~/gazebo/gazebo-10.0.0$ cd cmake/
installed.
-- Configuring incomplete, errors occurred!
See also "/home/jon/src/sitl_gazebo/CMakeFiles/CMakeOutput.log".
See also "/home/jon/src/sitl_gazebo/CMakeFiles/CMakeError.log".
jon@jon-ThinkCentre-M92P:~/src/sitl_gazebo/build$
Any help would be greatly appreciated. I’m new here as well as new to cmake, so apologies if this is obvious.
jon@jon-ThinkCentre-M92P:~/src/sitl_gazebo/build$ cmake ..
-- install-prefix: /usr
-- cmake build type: RelWithDebInfo
-- Using C++17 standard
-- Found Boost: /usr/lib/x86_64-linux-gnu/cmake/Boost-1.71.0/BoostConfig.cmake (found suitable version "1.71.0", minimum required is "1.58") found components: system thread filesystem
-- Found DART: /usr/include (Required is at least version "6.6") found components: dart
-- Found Boost: /usr/lib/x86_64-linux-gnu/cmake/Boost-1.71.0/BoostConfig.cmake (found suitable version "1.71.0", minimum required is "1.40.0") found components: thread system filesystem program_options regex iostreams date_time
-- Looking for ignition-math6 -- found version 6.4.0
-- Searching for dependencies of ignition-math6
-- Looking for OGRE...
-- Found Ogre Ghadamon (1.9.0)
-- Looking for OGRE_Paging...
-- Found OGRE_Paging: optimized;/usr/lib/x86_64-linux-gnu/libOgrePaging.so;debug;/usr/lib/x86_64-linux-gnu/libOgrePaging.so
-- Looking for OGRE_Terrain...
-- Found OGRE_Terrain: optimized;/usr/lib/x86_64-linux-gnu/libOgreTerrain.so;debug;/usr/lib/x86_64-linux-gnu/libOgreTerrain.so
-- Looking for OGRE_Property...
-- Found OGRE_Property: optimized;/usr/lib/x86_64-linux-gnu/libOgreProperty.so;debug;/usr/lib/x86_64-linux-gnu/libOgreProperty.so
-- Looking for OGRE_RTShaderSystem...
-- Found OGRE_RTShaderSystem: optimized;/usr/lib/x86_64-linux-gnu/libOgreRTShaderSystem.so;debug;/usr/lib/x86_64-linux-gnu/libOgreRTShaderSystem.so
-- Looking for OGRE_Volume...
-- Found OGRE_Volume: optimized;/usr/lib/x86_64-linux-gnu/libOgreVolume.so;debug;/usr/lib/x86_64-linux-gnu/libOgreVolume.so
-- Looking for OGRE_Overlay...
-- Found OGRE_Overlay: optimized;/usr/lib/x86_64-linux-gnu/libOgreOverlay.so;debug;/usr/lib/x86_64-linux-gnu/libOgreOverlay.so
-- Looking for ignition-math6 -- found version 6.4.0
-- Looking for ignition-transport8 -- found version 8.0.0
-- Searching for dependencies of ignition-transport8
-- Found Protobuf: /usr/lib/x86_64-linux-gnu/libprotobuf.so;-lpthread (found suitable version "3.12.3", minimum required is "3")
-- Config-file not installed for ZeroMQ -- checking for pkg-config
-- Checking for module 'libzmq >= 4'
-- Found libzmq , version 4.3.2
-- Checking for module 'uuid'
-- Found uuid, version 2.36.0
-- Looking for ignition-msgs5 -- found version 5.1.0
-- Searching for dependencies of ignition-msgs5
-- Looking for ignition-math6 -- found version 6.4.0
-- Checking for module 'tinyxml2'
-- Found tinyxml2, version 8.0.0
-- Looking for ignition-msgs5 -- found version 5.1.0
-- Looking for ignition-common3 -- found version 3.5.0
-- Searching for dependencies of ignition-common3
-- Looking for dlfcn.h - found
-- Looking for libdl - found
-- Searching for <ignition-common3> component [graphics]
-- Looking for ignition-common3-graphics -- found version 3.5.0
-- Searching for dependencies of ignition-common3-graphics
-- Looking for ignition-math6 -- found version 6.4.0
-- Looking for ignition-fuel_tools4 -- found version 4.1.0
-- Searching for dependencies of ignition-fuel_tools4
-- Checking for module 'jsoncpp'
-- Found jsoncpp, version 1.7.4
-- Checking for module 'yaml-0.1'
-- Found yaml-0.1, version 0.2.2
-- Checking for module 'libzip'
-- Found libzip, version 1.5.1
-- Looking for ignition-common3 -- found version 3.5.0
-- Looking for ignition-msgs5 -- found version 5.1.0
-- Checking for module 'gstreamer-1.0 >= 1.0'
-- No package 'gstreamer-1.0' found
-- Checking for module 'gstreamer-base-1.0 >= 1.0'
-- No package 'gstreamer-base-1.0' found
-- Building klt_feature_tracker without catkin
-- Building OpticalFlow with OpenCV
-- Could NOT find MAVLink (missing: MAVLINK_INCLUDE_DIRS) (found version "2.0")
-- catkin DISABLED
-- Found Protobuf: /usr/lib/x86_64-linux-gnu/libprotobuf.so;-lpthread (found version "3.12.3")
-- Gazebo version: 11.0
-- 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 "gazebo_airship_dynamics_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "sensor_msgs" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_airspeed_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_groundtruth_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "physics_msgs" in directory /home/jon/src/sitl_gazebo
linked by target "std_msgs" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_usv_dynamics_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_video_stream_widget" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_gps_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_opticalflow_mockup_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_irlock_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_geotagged_images_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_parachute_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_lidar_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_multirotor_base_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_wind_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_opticalflow_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_uuv_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "nav_msgs" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_sonar_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_vision_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_gst_camera_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "mav_msgs" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_controller_interface" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_gimbal_controller_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_imu_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_mavlink_interface" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_motor_model" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_magnetometer_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_barometer_plugin" in directory /home/jon/src/sitl_gazebo
linked by target "LiftDragPlugin" in directory /home/jon/src/sitl_gazebo
linked by target "gazebo_catapult_plugin" in directory /home/jon/src/sitl_gazebo
_MAVLINK_INCLUDE_DIR
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo
used as include directory in directory /home/jon/src/sitl_gazebo/unit_tests
used as include directory in directory /home/jon/src/sitl_gazebo/unit_tests
used as include directory in directory /home/jon/src/sitl_gazebo/unit_tests
used as include directory in directory /home/jon/src/sitl_gazebo/unit_tests
used as include directory in directory /home/jon/src/sitl_gazebo/unit_tests
used as include directory in directory /home/jon/src/sitl_gazebo/unit_tests
used as include directory in directory /home/jon/src/sitl_gazebo/unit_tests
used as include directory in directory /home/jon/src/sitl_gazebo/unit_tests
-- Configuring incomplete, errors occurred!
See also "/home/jon/src/sitl_gazebo/CMakeFiles/CMakeOutput.log".
See also "/home/jon/src/sitl_gazebo/CMakeFiles/CMakeError.log".
jon@jon-ThinkCentre-M92P:~/src/sitl_gazebo/build$ cd ~/PX4/PX4-Autopilot
jon@jon-ThinkCentre-M92P:~/PX4/PX4-Autopilot$ make px4_sitl gazebo
[0/5] Performing configure step for 'sitl_gazebo'
-- install-prefix: /usr/local
-- cmake build type: RelWithDebInfo
-- Using C++17 standard
-- Found Boost: /usr/lib/x86_64-linux-gnu/cmake/Boost-1.71.0/BoostConfig.cmake (found suitable version "1.71.0", minimum required is "1.58") found components: system thread filesystem
-- Found DART: /usr/include (Required is at least version "6.6") found components: dart
-- Found Boost: /usr/lib/x86_64-linux-gnu/cmake/Boost-1.71.0/BoostConfig.cmake (found suitable version "1.71.0", minimum required is "1.40.0") found components: thread system filesystem program_options regex iostreams date_time
-- Looking for ignition-math6 -- found version 6.4.0
-- Searching for dependencies of ignition-math6
-- Looking for OGRE...
-- Found Ogre Ghadamon (1.9.0)
-- Looking for OGRE_Paging...
-- Found OGRE_Paging: optimized;/usr/lib/x86_64-linux-gnu/libOgrePaging.so;debug;/usr/lib/x86_64-linux-gnu/libOgrePaging.so
-- Looking for OGRE_Terrain...
-- Found OGRE_Terrain: optimized;/usr/lib/x86_64-linux-gnu/libOgreTerrain.so;debug;/usr/lib/x86_64-linux-gnu/libOgreTerrain.so
-- Looking for OGRE_Property...
-- Found OGRE_Property: optimized;/usr/lib/x86_64-linux-gnu/libOgreProperty.so;debug;/usr/lib/x86_64-linux-gnu/libOgreProperty.so
-- Looking for OGRE_RTShaderSystem...
-- Found OGRE_RTShaderSystem: optimized;/usr/lib/x86_64-linux-gnu/libOgreRTShaderSystem.so;debug;/usr/lib/x86_64-linux-gnu/libOgreRTShaderSystem.so
-- Looking for OGRE_Volume...
-- Found OGRE_Volume: optimized;/usr/lib/x86_64-linux-gnu/libOgreVolume.so;debug;/usr/lib/x86_64-linux-gnu/libOgreVolume.so
-- Looking for OGRE_Overlay...
-- Found OGRE_Overlay: optimized;/usr/lib/x86_64-linux-gnu/libOgreOverlay.so;debug;/usr/lib/x86_64-linux-gnu/libOgreOverlay.so
-- Looking for ignition-math6 -- found version 6.4.0
-- Looking for ignition-transport8 -- found version 8.0.0
-- Searching for dependencies of ignition-transport8
-- Found Protobuf: /usr/lib/x86_64-linux-gnu/libprotobuf.so;-lpthread (found suitable version "3.12.3", minimum required is "3")
-- Config-file not installed for ZeroMQ -- checking for pkg-config
-- Checking for module 'libzmq >= 4'
-- Found libzmq , version 4.3.2
-- Checking for module 'uuid'
-- Found uuid, version 2.36.0
-- Looking for ignition-msgs5 -- found version 5.1.0
-- Searching for dependencies of ignition-msgs5
-- Looking for ignition-math6 -- found version 6.4.0
-- Checking for module 'tinyxml2'
-- Found tinyxml2, version 8.0.0
-- Looking for ignition-msgs5 -- found version 5.1.0
-- Looking for ignition-common3 -- found version 3.5.0
-- Searching for dependencies of ignition-common3
-- Looking for dlfcn.h - found
-- Looking for libdl - found
-- Searching for <ignition-common3> component [graphics]
-- Looking for ignition-common3-graphics -- found version 3.5.0
-- Searching for dependencies of ignition-common3-graphics
-- Looking for ignition-math6 -- found version 6.4.0
-- Looking for ignition-fuel_tools4 -- found version 4.1.0
-- Searching for dependencies of ignition-fuel_tools4
-- Checking for module 'jsoncpp'
-- Found jsoncpp, version 1.7.4
-- Checking for module 'yaml-0.1'
-- Found yaml-0.1, version 0.2.2
-- Checking for module 'libzip'
-- Found libzip, version 1.5.1
-- Looking for ignition-common3 -- found version 3.5.0
-- Looking for ignition-msgs5 -- found version 5.1.0
-- Checking for module 'gstreamer-1.0 >= 1.0'
-- No package 'gstreamer-1.0' found
-- Checking for module 'gstreamer-base-1.0 >= 1.0'
-- No package 'gstreamer-base-1.0' found
-- Building klt_feature_tracker without catkin
-- Building OpticalFlow with OpenCV
-- catkin DISABLED
-- Found Protobuf: /usr/lib/x86_64-linux-gnu/libprotobuf.so;-lpthread (found version "3.12.3")
-- Gazebo version: 11.0
-- 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 "gazebo_airship_dynamics_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "sensor_msgs" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_airspeed_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_groundtruth_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "physics_msgs" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "std_msgs" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_usv_dynamics_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_video_stream_widget" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_gps_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_opticalflow_mockup_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_irlock_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_geotagged_images_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_parachute_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_lidar_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_multirotor_base_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_wind_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_opticalflow_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_uuv_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "nav_msgs" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_sonar_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_vision_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_gst_camera_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "mav_msgs" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_controller_interface" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_gimbal_controller_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_imu_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_mavlink_interface" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_motor_model" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_magnetometer_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_barometer_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "LiftDragPlugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
linked by target "gazebo_catapult_plugin" in directory /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo
-- Configuring incomplete, errors occurred!
See also "/home/jon/PX4/PX4-Autopilot/build/px4_sitl_default/build_gazebo/CMakeFiles/CMakeOutput.log".
See also "/home/jon/PX4/PX4-Autopilot/build/px4_sitl_default/build_gazebo/CMakeFiles/CMakeError.log".
FAILED: external/Stamp/sitl_gazebo/sitl_gazebo-configure
cd /home/jon/PX4/PX4-Autopilot/build/px4_sitl_default/build_gazebo && /usr/bin/cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DSEND_ODOMETRY_DATA=ON -GNinja /home/jon/PX4/PX4-Autopilot/Tools/sitl_gazebo && /usr/bin/cmake -E touch /home/jon/PX4/PX4-Autopilot/build/px4_sitl_default/external/Stamp/sitl_gazebo/sitl_gazebo-configure
ninja: build stopped: subcommand failed.
make: *** [Makefile:226: px4_sitl] Error 1
jon@jon-ThinkCentre-M92P:~/PX4/PX4-Autopilot$