Error in utils.h when compiling mavros using catkin build

[LyMing9]

Hello! Thank you very much for your project! I encountered an issue while following your installation process on GitHub. When using catkin build to compile, I received an error related to mavros. It seems that there is a redeclaration problem in the utils.h file. Could you please help me understand the cause of this error and provide a solution? Thank you very much!

Environment Information:

Operating System: Using VMware virtual machine, Ubuntu 18.04 ROS Version: Melodic Unreal Engine: Not installed yet

Error Message:

In file included from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_sensor_orientation.cpp:17:0: /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:70:40: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(mavlink::common::MAV_AUTOPILOT e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:68:13: note: previous declaration ‘std::cxx11::string mavros::utils::to_string(mavlink::common::MAV_SENSOR_ORIENTATION)’ std::string to_string(mavlink::common::MAV_SENSOR_ORIENTATION e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:70:40: error: ‘MAV_AUTOPILOT’ is not a member of ‘mavlink::common’ std::string to_string(mavlink::common::MAV_AUTOPILOT e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:70:40: note: suggested alternative: In file included from /opt/ros/melodic/include/mavlink/v2.0/common/../standard/standard.hpp:42:0, from /opt/ros/melodic/include/mavlink/v2.0/common/common.hpp:2674, from /home/l/catkin_ws/src/mavros/libmavconn/include/mavconn/mavlink_dialect.h:26, from /home/l/catkin_ws/src/mavros/mavros_msgs/include/mavros_msgs/mavlink_convert.h:18, from /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:22, from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_sensor_orientation.cpp:17: /opt/ros/melodic/include/mavlink/v2.0/common/../standard/../minimal/minimal.hpp:34:12: note: ‘mavlink::minimal::MAV_AUTOPILOT’ enum class MAV_AUTOPILOT : uint8_t ^~~~~ In file included from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_sensor_orientation.cpp:17:0: /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:71:40: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(mavlink::common::MAV_TYPE e); ^~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:68:13: note: previous declaration ‘std::cxx11::string mavros::utils::to_string(mavlink::common::MAV_SENSOR_ORIENTATION)’ std::string to_string(mavlink::common::MAV_SENSOR_ORIENTATION e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:71:40: error: ‘MAV_TYPE’ is not a member of ‘mavlink::common’ std::string to_string(mavlink::common::MAV_TYPE e); ^~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:71:40: note: suggested alternative: ‘AIS_TYPE’ std::string to_string(mavlink::common::MAV_TYPE e); ^~~~ AIS_TYPE /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:72:40: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(mavlink::common::MAV_STATE e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:68:13: note: previous declaration ‘std::cxx11::string mavros::utils::to_string(mavlink::common::MAV_SENSOR_ORIENTATION)’ std::string to_string(mavlink::common::MAV_SENSOR_ORIENTATION e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:72:40: error: ‘MAV_STATE’ is not a member of ‘mavlink::common’ std::string to_string(mavlink::common::MAV_STATE e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:72:40: note: suggested alternative: ‘MAV_FRAME’ std::string to_string(mavlink::common::MAV_STATE e); ^~~~~ MAV_FRAME /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:73:40: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(mavlink::common::MAV_COMPONENT e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:68:13: note: previous declaration ‘std::cxx11::string mavros::utils::to_string(mavlink::common::MAV_SENSOR_ORIENTATION)’ std::string to_string(mavlink::common::MAV_SENSOR_ORIENTATION e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:73:40: error: ‘MAV_COMPONENT’ is not a member of ‘mavlink::common’ std::string to_string(mavlink::common::MAV_COMPONENT e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:73:40: note: suggested alternative: ‘MAV_MODE’ std::string to_string(mavlink::common::MAV_COMPONENT e); ^~~~~ MAV_MODE /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:114:18: error: ‘MAV_TYPE’ in namespace ‘mavlink::common’ does not name a type mavlink::common::MAV_TYPE mav_type_from_str(const std::string &mav_type); ^~~~ CMakeFiles/mavros.dir/build.make:62: recipe for target 'CMakeFiles/mavros.dir/src/lib/enum_sensor_orientation.cpp.o' failed make[2]: [CMakeFiles/mavros.dir/src/lib/enum_sensor_orientation.cpp.o] Error 1 make[2]: 正在等待未完成的任务.... In file included from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:19:0: /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:70:40: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(mavlink::common::MAV_AUTOPILOT e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:68:13: note: previous declaration ‘std::cxx11::string mavros::utils::to_string(mavlink::common::MAV_SENSOR_ORIENTATION)’ std::string to_string(mavlink::common::MAV_SENSOR_ORIENTATION e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:70:40: error: ‘MAV_AUTOPILOT’ is not a member of ‘mavlink::common’ std::string to_string(mavlink::common::MAV_AUTOPILOT e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:70:40: note: suggested alternative: In file included from /opt/ros/melodic/include/mavlink/v2.0/common/../standard/standard.hpp:42:0, from /opt/ros/melodic/include/mavlink/v2.0/common/common.hpp:2674, from /home/l/catkin_ws/src/mavros/libmavconn/include/mavconn/mavlink_dialect.h:26, from /home/l/catkin_ws/src/mavros/mavros_msgs/include/mavros_msgs/mavlink_convert.h:18, from /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:22, from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:19: /opt/ros/melodic/include/mavlink/v2.0/common/../standard/../minimal/minimal.hpp:34:12: note: ‘mavlink::minimal::MAV_AUTOPILOT’ enum class MAV_AUTOPILOT : uint8_t ^~~~~ In file included from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:19:0: /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:71:40: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(mavlink::common::MAV_TYPE e); ^~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:68:13: note: previous declaration ‘std::cxx11::string mavros::utils::to_string(mavlink::common::MAV_SENSOR_ORIENTATION)’ std::string to_string(mavlink::common::MAV_SENSOR_ORIENTATION e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:71:40: error: ‘MAV_TYPE’ is not a member of ‘mavlink::common’ std::string to_string(mavlink::common::MAV_TYPE e); ^~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:71:40: note: suggested alternative: ‘AIS_TYPE’ std::string to_string(mavlink::common::MAV_TYPE e); ^~~~ AIS_TYPE /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:72:40: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(mavlink::common::MAV_STATE e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:68:13: note: previous declaration ‘std::cxx11::string mavros::utils::to_string(mavlink::common::MAV_SENSOR_ORIENTATION)’ std::string to_string(mavlink::common::MAV_SENSOR_ORIENTATION e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:72:40: error: ‘MAV_STATE’ is not a member of ‘mavlink::common’ std::string to_string(mavlink::common::MAV_STATE e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:72:40: note: suggested alternative: ‘MAV_FRAME’ std::string to_string(mavlink::common::MAV_STATE e); ^~~~~ MAV_FRAME /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:73:40: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(mavlink::common::MAV_COMPONENT e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:68:13: note: previous declaration ‘std::cxx11::string mavros::utils::to_string(mavlink::common::MAV_SENSOR_ORIENTATION)’ std::string to_string(mavlink::common::MAV_SENSOR_ORIENTATION e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:73:40: error: ‘MAV_COMPONENT’ is not a member of ‘mavlink::common’ std::string to_string(mavlink::common::MAV_COMPONENT e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:73:40: note: suggested alternative: ‘MAV_MODE’ std::string to_string(mavlink::common::MAV_COMPONENT e); ^~~~~ MAV_MODE /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:114:18: error: ‘MAV_TYPE’ in namespace ‘mavlink::common’ does not name a type mavlink::common::MAV_TYPE mav_type_from_str(const std::string &mav_type); ^~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:24:24: error: ‘mavlink::common::MAV_AUTOPILOT’ has not been declared using mavlink::common::MAV_AUTOPILOT; ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:25:24: error: ‘mavlink::common::MAV_TYPE’ has not been declared using mavlink::common::MAV_TYPE; ^~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:26:24: error: ‘mavlink::common::MAV_STATE’ has not been declared using mavlink::common::MAV_STATE; ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:27:24: error: ‘mavlink::common::MAV_COMPONENT’ has not been declared using mavlink::common::MAV_COMPONENT; ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:131:23: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(MAV_AUTOPILOT e) ^~~~~ In file included from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:19:0: /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:80:13: note: previous declaration ‘std::__cxx11::string mavros::utils::to_string(mavlink::common::LANDING_TARGET_TYPE)’ std::string to_string(mavlink::common::LANDING_TARGET_TYPE e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:131:23: error: ‘MAV_AUTOPILOT’ was not declared in this scope std::string to_string(MAV_AUTOPILOT e) ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:131:23: note: suggested alternative: In file included from /opt/ros/melodic/include/mavlink/v2.0/common/../standard/standard.hpp:42:0, from /opt/ros/melodic/include/mavlink/v2.0/common/common.hpp:2674, from /home/l/catkin_ws/src/mavros/libmavconn/include/mavconn/mavlink_dialect.h:26, from /home/l/catkin_ws/src/mavros/mavros_msgs/include/mavros_msgs/mavlink_convert.h:18, from /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:22, from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:19: /opt/ros/melodic/include/mavlink/v2.0/common/../standard/../minimal/minimal.hpp:34:12: note: ‘mavlink::minimal::MAV_AUTOPILOT’ enum class MAV_AUTOPILOT : uint8_t ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:192:23: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(MAV_TYPE e) ^~~~ In file included from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:19:0: /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:80:13: note: previous declaration ‘std::cxx11::string mavros::utils::to_string(mavlink::common::LANDING_TARGET_TYPE)’ std::string to_string(mavlink::common::LANDING_TARGET_TYPE e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:192:23: error: ‘MAV_TYPE’ was not declared in this scope std::string to_string(MAV_TYPE e) ^~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:192:23: note: suggested alternative: In file included from /opt/ros/melodic/include/mavlink/v2.0/common/../standard/standard.hpp:42:0, from /opt/ros/melodic/include/mavlink/v2.0/common/common.hpp:2674, from /home/l/catkin_ws/src/mavros/libmavconn/include/mavconn/mavlink_dialect.h:26, from /home/l/catkin_ws/src/mavros/mavros_msgs/include/mavros_msgs/mavlink_convert.h:18, from /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:22, from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:19: /opt/ros/melodic/include/mavlink/v2.0/common/../standard/../minimal/minimal.hpp:63:12: note: ‘mavlink::minimal::MAV_TYPE’ enum class MAV_TYPE : uint8_t ^~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:243:21: error: ‘MAV_TYPE’ was not declared in this scope std::string to_name(MAV_TYPE e) ^~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:243:21: note: suggested alternative: In file included from /opt/ros/melodic/include/mavlink/v2.0/common/../standard/standard.hpp:42:0, from /opt/ros/melodic/include/mavlink/v2.0/common/common.hpp:2674, from /home/l/catkin_ws/src/mavros/libmavconn/include/mavconn/mavlink_dialect.h:26, from /home/l/catkin_ws/src/mavros/mavros_msgs/include/mavros_msgs/mavlink_convert.h:18, from /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:22, from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:19: /opt/ros/melodic/include/mavlink/v2.0/common/../standard/../minimal/minimal.hpp:63:12: note: ‘mavlink::minimal::MAV_TYPE’ enum class MAV_TYPE : uint8_t ^~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:244:1: error: expected ‘,’ or ‘;’ before ‘{’ token { ^ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:280:23: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(MAV_STATE e) ^~~~~ In file included from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:19:0: /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:80:13: note: previous declaration ‘std::__cxx11::string mavros::utils::to_string(mavlink::common::LANDING_TARGET_TYPE)’ std::string to_string(mavlink::common::LANDING_TARGET_TYPE e); ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:280:23: error: ‘MAV_STATE’ was not declared in this scope std::string to_string(MAV_STATE e) ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:280:23: note: suggested alternative: In file included from /opt/ros/melodic/include/mavlink/v2.0/common/../standard/standard.hpp:42:0, from /opt/ros/melodic/include/mavlink/v2.0/common/common.hpp:2674, from /home/l/catkin_ws/src/mavros/libmavconn/include/mavconn/mavlink_dialect.h:26, from /home/l/catkin_ws/src/mavros/mavros_msgs/include/mavros_msgs/mavlink_convert.h:18, from /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:22, from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:19: /opt/ros/melodic/include/mavlink/v2.0/common/../standard/../minimal/minimal.hpp:146:12: note: ‘mavlink::minimal::MAV_STATE’ enum class MAV_STATE : uint8_t ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:584:23: error: ‘std::cxx11::string mavros::utils::to_string’ redeclared as different kind of symbol std::string to_string(MAV_COMPONENT e) ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:431:13: note: previous declaration ‘std::cxx11::string mavros::utils::to_string(mavlink::common::GPS_FIX_TYPE)’ std::string to_string(GPS_FIX_TYPE e) ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:584:23: error: ‘MAV_COMPONENT’ was not declared in this scope std::string to_string(MAV_COMPONENT e) ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:584:23: note: suggested alternative: In file included from /opt/ros/melodic/include/mavlink/v2.0/common/../standard/standard.hpp:42:0, from /opt/ros/melodic/include/mavlink/v2.0/common/common.hpp:2674, from /home/l/catkin_ws/src/mavros/libmavconn/include/mavconn/mavlink_dialect.h:26, from /home/l/catkin_ws/src/mavros/mavros_msgs/include/mavros_msgs/mavlink_convert.h:18, from /home/l/catkin_ws/src/mavros/mavros/include/mavros/utils.h:22, from /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:19: /opt/ros/melodic/include/mavlink/v2.0/common/../standard/../minimal/minimal.hpp:165:12: note: ‘mavlink::minimal::MAV_COMPONENT’ enum class MAV_COMPONENT ^~~~~ /home/l/catkin_ws/src/mavros/mavros/src/lib/enum_to_string.cpp:608:1: error: ‘MAV_TYPE’ does not name a type; did you mean ‘LC_CTYPE’? MAV_TYPE mav_type_from_str(const std::string &mav_type) ^~~~ LC_CTYPE CMakeFiles/mavros.dir/build.make:86: recipe for target 'CMakeFiles/mavros.dir/src/lib/enum_to_string.cpp.o' failed make[2]: [CMakeFiles/mavros.dir/src/lib/enum_to_string.cpp.o] Error 1 CMakeFiles/Makefile2:552: recipe for target 'CMakeFiles/mavros.dir/all' failed make[1]: [CMakeFiles/mavros.dir/all] Error 2 Makefile:140: recipe for target 'all' failed make: *** [all] Error 2

[wangjinhoon]

try it https://github.com/mavlink/mavros/issues/1483

maybe solve this issue

[LyMing9]

Hi @wangjinhoon ,

Thank you so much for resolving my issue on GitHub! It indeed worked for me! I updated the mavros version from 0.33.3 to the latest version 1.17.0, and the project was successfully built. Thanks again for your time!