wrap discord rpc as optional feature

CMakeLists.txt

@@ -51,6 +51,7 @@ option(WITH_LUA "Compile with lua scripting support" ON)
 option(WITH_OPENVR "Compile with OpenVR" ON)
 option(WITH_ZMQ "Compile with cppzmq" OFF)
 option(WITH_CRASHPAD "Compile with crashpad" OFF)
+option(WITH_DISCORD_RPC "Compile with DISCORD RICH PRESENCE" OFF)
 option(USE_LTO "Use link-time optimization" OFF)
 
 option(WITH_LIBMANUL "Experimental multi-backend renderer" OFF)
@@ -444,9 +445,15 @@ target_link_libraries(${PROJECT_NAME} Threads::Threads)
 find_package(GLM REQUIRED)
 target_include_directories(${PROJECT_NAME} PRIVATE ${GLM_INCLUDE_DIR})
 
-# add ref/discord-rpc to the project in the same way other dependencies are added
-add_subdirectory(ref/discord-rpc)
-target_link_libraries(${PROJECT_NAME} discord-rpc)
+
+if (WITH_DISCORD_RPC)
+	# add ref/discord-rpc to the project in the same way other dependencies are added
+	add_subdirectory(ref/discord-rpc)
+	target_link_libraries(${PROJECT_NAME} discord-rpc)
+	target_compile_definitions(${PROJECT_NAME} "WITH_DISCORD_RPC=1")
+elseif ()
+	target_compile_definitions(${PROJECT_NAME} "WITH_DISCORD_RPC=0")
+endif ()
 
 
 

Globals.h

@@ -16,7 +16,6 @@ http://mozilla.org/MPL/2.0/.
 #include "light.h"
 #include "utilities.h"
 #include "motiontelemetry.h"
-#include "ref/discord-rpc/include/discord_rpc.h"
 #include <map>
 
 #ifdef WITH_UART

application.cpp

@@ -29,7 +29,11 @@ http://mozilla.org/MPL/2.0/.
 #include "Timer.h"
 #include "dictionary.h"
 #include "version_info.h"
-#include "ref/discord-rpc/include/discord_rpc.h"
+
+#if WITH_DISCORD_RPC
+#include <discord_rpc.h>
+#endif
+
 #include <chrono>
 #include "translation.h"
 
@@ -179,6 +183,7 @@ int eu07_application::run_crashgui()
 }
 void eu07_application::DiscordRPCService()
 {
+#if WITH_DISCORD_RPC
 	// initialize discord-rpc
 	WriteLog("Initializing Discord Rich Presence...");
 	static const char *discord_app_id = "1343662664504840222";
@@ -253,6 +258,7 @@ void eu07_application::DiscordRPCService()
 		}
 		std::this_thread::sleep_for(std::chrono::milliseconds(5000)); // update RPC every 5 secs
     }
+#endif
 }
 
 int