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stdinc: define SDL_NOLONGLONG for old Visual Studios, document the symbol.

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Reference PR #11900.
This commit is contained in:
Ryan C. Gordon
2025-01-10 01:37:25 -05:00
parent bda90c3cb6
commit fb94a79f89
1 changed files with 26 additions and 0 deletions
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26
include/SDL3/SDL_stdinc.h
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@@ -107,6 +107,32 @@ void *alloca(size_t);
# endif
#endif
#ifdef SDL_WIKI_DOCUMENTATION_SECTION
/**
* Don't let SDL use "long long" C types.
*
* SDL will define this if it believes the compiler doesn't understand
* the "long long" syntax for C datatypes. This can happen on older compilers.
*
* If _your_ compiler doesn't support "long long" but SDL doesn't know it, it
* is safe to define this yourself to build against the SDL headers.
*
* If this is defined, it will remove access to some C runtime support
* functions, like SDL_ulltoa and SDL_strtoll that refer to this datatype
* explicitly. The rest of SDL will still be available.
*
* SDL's own source code cannot be built with a compiler that has this defined,
* for various technical reasons.
*/
#define SDL_NOLONGLONG 1
#elif defined(_MSC_VER) && (_MSC_VER < 1310) /* long long introduced in Visual Studio.NET 2003 */
# define SDL_NOLONGLONG 1
#endif
#ifdef SDL_WIKI_DOCUMENTATION_SECTION
/**