Changeset 2273 for trunk/src/platform/sdl/sdlapp.cppTweet

Timestamp:

Jan 25, 2013, 12:38:58 PM (9 years ago)

Author:

sam

Message:

build: use our own main() wrapper in addition to SDL's, and only
in that case. Currently only works with GCC.

File:

• trunk/src/platform/sdl/sdlapp.cpp (modified) (2 diffs)

trunk/src/platform/sdl/sdlapp.cpp

@@ -12 +12 @@
 #   include "config.h"
 #endif
+
+/* This instructs our headers to let SDL override the "main"
+ * symbol using its macros. */
+#define LOL_DONT_DIVERT_MAIN 1
 
 #if defined USE_SDL
@@ -36 +40 @@
 HWND g_hwnd = NULL;
 extern IDirect3DDevice9 *g_d3ddevice;
+#endif
+
+#if defined main
+#   if defined _MSC_VER
+#       pragma comment(linker, "/alternatename:_lol_sdl_main=_lol_sdl_main_msvc")
+#       define WRAPPER lol_sdl_main_msvc
+#   else
+int lol_sdl_main() __attribute__((weak));
+int lol_sdl_main(int argc, char **argv) __attribute__((weak));
+int lol_sdl_main(int argc, char **argv, char **envp) __attribute__((weak));
+#       define WRAPPER lol_sdl_main
+#   endif
+
+/* One of these wrappers will be overridden by the user's version */
+int WRAPPER() { return 0; }
+int WRAPPER(int argc, char **argv) { return 0; }
+int WRAPPER(int argc, char **argv, char **envp) { return 0; }
+
+int main(int argc, char *argv[])
+{
+printf("LOL OK\n");
+    int ret = 0;
+    ret += lol_sdl_main();
+    ret += lol_sdl_main(argc, argv);
+    ret += lol_sdl_main(argc, argv, NULL);
+    return ret;
+}
 #endif