GCS_MAVLink: Add AP_MAVLINK_MSG_FLIGHT_INFORMATION_ENABLED guard

Author: nexton-winjeel

libraries/GCS_MAVLink/GCS.h

@@ -402,12 +402,14 @@ class GCS_MAVLINK
     void send_uavionix_adsb_out_status() const;
     void send_autopilot_state_for_gimbal_device() const;
 
+#if AP_MAVLINK_MSG_FLIGHT_INFORMATION_ENABLED
     struct {
         MAV_LANDED_STATE last_landed_state;
         uint32_t takeoff_time_ms;
     } flight_info;
 
     void send_flight_information();
+#endif
 
     // lock a channel, preventing use by MAVLink
     void lock(bool _lock) {

libraries/GCS_MAVLink/GCS_Common.cpp

@@ -5960,6 +5960,7 @@ void GCS_MAVLINK::send_autopilot_state_for_gimbal_device() const
 #endif  // AP_AHRS_ENABLED
 }
 
+#if AP_MAVLINK_MSG_FLIGHT_INFORMATION_ENABLED
 void GCS_MAVLINK::send_flight_information()
 {
     const uint32_t time_boot_ms = AP_HAL::millis();
@@ -6002,6 +6003,7 @@ void GCS_MAVLINK::send_flight_information()
         flight_uuid
     );
 }
+#endif // AP_MAVLINK_MSG_FLIGHT_INFORMATION_ENABLED
 
 void GCS_MAVLINK::send_received_message_deprecation_warning(const char * message)
 {
@@ -6431,10 +6433,12 @@ bool GCS_MAVLINK::try_send_message(const enum ap_message id)
         break;
 #endif
 
+#if AP_MAVLINK_MSG_FLIGHT_INFORMATION_ENABLED
     case MSG_FLIGHT_INFORMATION:
         CHECK_PAYLOAD_SIZE(FLIGHT_INFORMATION);
         send_flight_information();
         break;
+#endif
 
     default:
         // try_send_message must always at some stage return true for

libraries/GCS_MAVLink/GCS_config.h

@@ -131,3 +131,7 @@
 #ifndef AP_MAVLINK_MAV_CMD_SET_HAGL_ENABLED
 #define AP_MAVLINK_MAV_CMD_SET_HAGL_ENABLED (BOARD_FLASH_SIZE > 1024)
 #endif
+
+#ifndef AP_MAVLINK_MSG_FLIGHT_INFORMATION_ENABLED
+#define AP_MAVLINK_MSG_FLIGHT_INFORMATION_ENABLED 1
+#endif

libraries/GCS_MAVLink/ap_message.h

@@ -97,6 +97,8 @@ enum ap_message : uint8_t {
 #if AP_MAVLINK_MSG_HIGHRES_IMU_ENABLED
     MSG_HIGHRES_IMU,
 #endif
+#if AP_MAVLINK_MSG_FLIGHT_INFORMATION_ENABLED
     MSG_FLIGHT_INFORMATION,
+#endif
     MSG_LAST // MSG_LAST must be the last entry in this enum
 };