atomic: detect clang separately
diff --git a/src/atomic/SDL_atomic.c b/src/atomic/SDL_atomic.c
index 10e8d69..58f891b 100644
--- a/src/atomic/SDL_atomic.c
+++ b/src/atomic/SDL_atomic.c
@@ -36,20 +36,18 @@
#endif
/* The __atomic_load_n() intrinsic showed up in different times for different compilers. */
-#if defined(HAVE_GCC_ATOMICS)
-# if defined(__clang__)
-# if __has_builtin(__atomic_load_n)
- /* !!! FIXME: this advertises as available in the NDK but uses an external symbol we don't have.
- It might be in a later NDK or we might need an extra library? --ryan. */
-# if !defined(__ANDROID__)
-# define HAVE_ATOMIC_LOAD_N 1
-# endif
-# endif
-# elif defined(__GNUC__)
+#if defined(__clang__)
+# if __has_builtin(__atomic_load_n) || defined(HAVE_GCC_ATOMICS)
+ /* !!! FIXME: this advertises as available in the NDK but uses an external symbol we don't have.
+ It might be in a later NDK or we might need an extra library? --ryan. */
+# if !defined(__ANDROID__)
+# define HAVE_ATOMIC_LOAD_N 1
+# endif
+# endif
+#elif defined(__GNUC__)
# if (__GNUC__ >= 5)
# define HAVE_ATOMIC_LOAD_N 1
# endif
-# endif
#endif
#if defined(__WATCOMC__) && defined(__386__)