AP_OSD: remove GCS.h from library header files

libraries/AP_OSD/AP_OSD.cpp

@@ -36,6 +36,7 @@
 #include <AP_Notify/AP_Notify.h>
 #include <AP_Terrain/AP_Terrain.h>
 #include <AP_RSSI/AP_RSSI.h>
+#include <GCS_MAVLink/GCS.h>
 
 // macro for easy use of var_info2
 #define AP_SUBGROUPINFO2(element, name, idx, thisclazz, elclazz) { AP_PARAM_GROUP, idx, name, AP_VAROFFSET(thisclazz, element), { group_info : elclazz::var_info2 }, AP_PARAM_FLAG_NESTED_OFFSET }

libraries/AP_OSD/AP_OSD.h

@@ -22,11 +22,13 @@
 #include <AP_Math/AP_Math.h>
 #include <AP_ESC_Telem/AP_ESC_Telem.h>
 #include <RC_Channel/RC_Channel.h>
-#include <GCS_MAVLink/GCS.h>
+#include <GCS_MAVLink/GCS_config.h>
 #include <AP_OLC/AP_OLC.h>
 #include <AP_MSP/msp.h>
 #include <AP_Baro/AP_Baro.h>
+#if HAL_GCS_ENABLED
 #include <GCS_MAVLink/GCS_MAVLink.h>
+#endif
 #include <AC_Fence/AC_Fence_config.h>
 
 #ifndef OSD_ENABLED
@@ -410,8 +412,8 @@ public:
     void draw(void) override;
 #endif
 #if HAL_GCS_ENABLED
-    void handle_write_msg(const mavlink_osd_param_config_t& packet, const GCS_MAVLINK& link);
-    void handle_read_msg(const mavlink_osd_param_show_config_t& packet, const GCS_MAVLINK& link);
+    void handle_write_msg(const mavlink_osd_param_config_t& packet, const class GCS_MAVLINK& link);
+    void handle_read_msg(const mavlink_osd_param_show_config_t& packet, const class GCS_MAVLINK& link);
 #endif
     // get a setting and associated metadata
     AP_OSD_ParamSetting* get_setting(uint8_t param_idx);
@@ -595,7 +597,7 @@ public:
 #endif
     // handle OSD parameter configuration
 #if HAL_GCS_ENABLED
-    void handle_msg(const mavlink_message_t &msg, const GCS_MAVLINK& link);
+    void handle_msg(const mavlink_message_t &msg, const class GCS_MAVLINK& link);
 #endif
 
     // allow threads to lock against OSD update

libraries/AP_OSD/AP_OSD_Backend.cpp

@@ -16,6 +16,7 @@
 
 #include <AP_OSD/AP_OSD_Backend.h>
 #include <AP_HAL/Util.h>
+#include <GCS_MAVLink/GCS.h>
 #include <ctype.h>
 
 extern const AP_HAL::HAL& hal;

libraries/AP_OSD/AP_OSD_MSP_DisplayPort.cpp

@@ -22,6 +22,8 @@
 
 #if HAL_WITH_MSP_DISPLAYPORT
 
+#include <GCS_MAVLink/GCS.h>
+
 static const struct AP_Param::defaults_table_struct defaults_table[] = {
     /*
     { "PARAM_NAME",       value_float }

libraries/AP_OSD/AP_OSD_ParamScreen.cpp

@@ -30,6 +30,7 @@
 #include <AP_Vehicle/AP_Vehicle_Type.h>
 #include <AP_Arming/AP_Arming.h>
 #include <AP_Vehicle/AP_Vehicle_Type.h>
+#include <GCS_MAVLink/GCS.h>
 
 extern const AP_HAL::HAL& hal;
 

libraries/AP_OSD/AP_OSD_ParamSetting.cpp

@@ -23,6 +23,7 @@
 
 #include "AP_OSD.h"
 #include <AP_Vehicle/AP_Vehicle_Type.h>
+#include <GCS_MAVLink/GCS.h>
 #include <SRV_Channel/SRV_Channel.h>
 #include <ctype.h>