SDL: use _Static_assert for SDL_COMPILE_TIME_ASSERT(), when available

SDL Commits
1 
From f0d2747df165dca20b815615fafc03bba315d23b Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Thu, 17 Mar 2022 14:56:04 +0300
Subject: [PATCH] use _Static_assert for SDL_COMPILE_TIME_ASSERT(), when
 available

---
 include/SDL_stdinc.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/SDL_stdinc.h b/include/SDL_stdinc.h
index c0d194c4ae2..4554f9e71a4 100644
--- a/include/SDL_stdinc.h
+++ b/include/SDL_stdinc.h
@@ -354,8 +354,14 @@ typedef uint64_t Uint64;
 #endif
 #endif /* SDL_DISABLE_ANALYZE_MACROS */
 
+#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
+#define SDL_COMPILE_TIME_ASSERT(name, x) _Static_assert(x, #x);
+#elif defined(__cplusplus) && (__cplusplus >= 201103L)
+#define SDL_COMPILE_TIME_ASSERT(name, x)  static_assert(x, #x);
+#else /* universal, but may trigger -Wunused-local-typedefs */
 #define SDL_COMPILE_TIME_ASSERT(name, x)               \
        typedef int SDL_compile_time_assert_ ## name[(x) * 2 - 1]
+#endif
 /** \cond */
 #ifndef DOXYGEN_SHOULD_IGNORE_THIS
 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);