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SDL_main.h: Remove dead code for hypothetical C++ platforms

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If WinRT returns after all, or a similarly bad platforms turns up,
the code can still be found in the git history.
But keep in mind that it then will have to be added *before* the
 #if ( defined(SDL_MAIN_USE_CALLBACKS) || defined(SDL_MAIN_NEEDED) ...
case for platforms that support plain C to work correctly
This commit is contained in:
Daniel Gibson 2024-10-08 19:15:55 +02:00 • committed by Sam Lantinga
parent 823b218051
commit 312ecc4a52
1 changed files with 4 additions and 18 deletions
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22
include/SDL3/SDL_main.h
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@ -563,30 +563,16 @@ extern SDL_DECLSPEC void SDLCALL SDL_GDKSuspendComplete(void);
#if !defined(SDL_MAIN_HANDLED) && !defined(SDL_MAIN_NOIMPL)
/* include header-only SDL_main implementations
* Note: currently Android is the only platform where we rename main() to SDL_main()
* but do *not* use SDL_main_impl.h (because SDL_main() is called from external Java code)
* Note: currently Android is the only platform where we rename main() to SDL_main() but
* do *not* use SDL_main_impl.h (because SDL_main() is called from external Java code).
* If other platforms like that turn up, add them next to "defined(SDL_PLATFORM_ANDROID)"
*/
#if ( defined(SDL_MAIN_USE_CALLBACKS) || defined(SDL_MAIN_NEEDED) || defined(SDL_MAIN_AVAILABLE) ) && \
!defined(SDL_PLATFORM_ANDROID)
/* platforms which main (-equivalent) can be implemented in plain C */
#include <SDL3/SDL_main_impl.h>
#elif 0 /* C++ platforms (currently none, this used to be here for WinRT, but is left for future platforms that might arrive. */
#ifdef __cplusplus
#include <SDL3/SDL_main_impl.h>
#else
/* Note: to get rid of the following warning, you can #define SDL_MAIN_NOIMPL before including SDL_main.h
* in your C sourcefile that contains the standard main. Do *not* use SDL_MAIN_HANDLED for that, then SDL_main won't find your main()!
*/
#ifdef _MSC_VER
#pragma message("Note: Your platform needs the SDL_main implementation in a C++ source file. You can keep your main() in plain C (then continue including SDL_main.h there!) and create a fresh .cpp file that only contains #include <SDL3/SDL_main.h>")
#elif defined(__GNUC__) /* gcc, clang, mingw and compatible are matched by this and have #warning */
#warning "Note: Your platform needs the SDL_main implementation in a C++ source file. You can keep your main() in plain C and create a fresh .cpp file that only contains #include <SDL3/SDL_main.h>"
#endif /* __GNUC__ */
#endif /* __cplusplus */
#endif /* C++ platforms */
#endif
#endif
#endif /* SDL_main_h_ */