diff -r 5dc13016cf34 include/SDL_cpuinfo.h
--- a/include/SDL_cpuinfo.h	Mon Oct 22 10:55:18 2018 -0400
+++ b/include/SDL_cpuinfo.h	Mon Dec 03 09:52:37 2018 +0100
@@ -57,7 +57,7 @@
 #undef bool
 #endif
 #endif
-#if defined(__ARM_NEON__) && !defined(SDL_DISABLE_ARM_NEON_H)
+#if defined(__ARM_NEON) && !defined(SDL_DISABLE_ARM_NEON_H)
 #include <arm_neon.h>
 #endif
 #if defined(__3dNOW__) && !defined(SDL_DISABLE_MM3DNOW_H)
diff -r 5dc13016cf34 src/audio/SDL_audiotypecvt.c
--- a/src/audio/SDL_audiotypecvt.c	Mon Oct 22 10:55:18 2018 -0400
+++ b/src/audio/SDL_audiotypecvt.c	Mon Dec 03 09:52:37 2018 +0100
@@ -26,7 +26,7 @@
 #include "SDL_assert.h"
 
 /* !!! FIXME: disabled until we fix https://bugzilla.libsdl.org/show_bug.cgi?id=4186 */
-#if 0 /*def __ARM_NEON__*/
+#if 0 /*def __ARM_NEON */
 #define HAVE_NEON_INTRINSICS 1
 #endif