call game_main

CMakeLists.txt

@@ -1351,6 +1351,7 @@ set(DUSK_FILES
     src/dusk/globals.cpp
     src/dusk/mtx.cpp
     src/dusk/J3DTransforms_C.cpp
+    src/m_Do/m_Do_main.cpp # TODO: move this to a more appropriate location, it's not really dusk-specific
     )
 
 source_group("dolzel" FILES ${DOLZEL_FILES} ${Z2AUDIOLIB_FILES} ${SSYSTEM_FILES} ${JSYSTEM_FILES} ${REL_FILES})

src/m_Do/m_Do_main.cpp

@@ -872,7 +872,7 @@ static u8 mainThreadStack[32768];
 
 OSThread mainThread;
 
-void game_main(int argc, const char* argv[]) {
+extern "C" void game_main(int argc, const char* argv[]) {
     OSThread* current_thread = OSGetCurrentThread();
     u8* stack = mainThreadStack;
     mDoMain::sPowerOnTime = OSGetTime();