Commit a8bea85810e48d75862de9eb20bc4ad2e088a246
2019-06-30T23:55:28
Limit the compile error to the case where we actually define the memory barrier macro as the function
diff --git a/src/atomic/SDL_atomic.c b/src/atomic/SDL_atomic.c
index a368e30..d3327d4 100644
--- a/src/atomic/SDL_atomic.c
+++ b/src/atomic/SDL_atomic.c
@@ -289,7 +289,7 @@ SDL_AtomicGetPtr(void **a)
#endif
}
-#ifdef __thumb__
+#if defined(__thumb__) && (defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_5TE__))
#error This file should be built in arm mode so the mcr instruction is available for memory barriers
#endif