C linkage cleanup

 * decleared main() with C linkage since it might be renamed to SDL_main and libSDLmain's startup code expects C linkage
 * use a custom atexit() handler since SDL_Quit() calling conventions might differ from standard C calling conventions

1 files changed, 14 insertions, 1 deletions

diff --git a/src/main.cpp b/src/main.cpp
index 1f15c6e..f055db5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -34,6 +34,13 @@
 /*
  * Declarations
  */
+extern "C" {
+
+int main(int argc, char **argv);
+static void cleanup(void);
+
+}
+
 SDL_Surface *screen;
 
 OSCServer osc_server;
@@ -194,7 +201,7 @@ main(int argc, char **argv)
 		SDL_ERROR("SDL_Init");
 		return EXIT_FAILURE;
 	}
-	atexit(SDL_Quit);
+	atexit(cleanup);
 
 	SDL_WM_SetCaption("OSC Graphics", NULL);
 
@@ -235,6 +242,12 @@ main(int argc, char **argv)
 	return EXIT_FAILURE;
 }
 
+static void
+cleanup(void)
+{
+	SDL_Quit();
+}
+
 #if defined(__WIN32__) && defined(main)
 #undef main
 /*