--- CMakeLists.txt.orig	2018-09-11 07:50:54.763206560 -0600
+++ CMakeLists.txt	2018-09-11 07:51:56.040874745 -0600
@@ -945,7 +945,7 @@
 # Check for ARM Neon support
 OPTION(ALSOFT_REQUIRE_NEON "Require ARM Neon support" OFF)
 CHECK_INCLUDE_FILE(arm_neon.h HAVE_ARM_NEON_H ${FPU_NEON_SWITCH})
-IF(HAVE_ARM_NEON_H)
+IF(HAVE_ARM_NEON_H AND CMAKE_SIZEOF_VOID_P EQUAL 4)    # only 32-bit ARM
     OPTION(ALSOFT_CPUEXT_NEON "Enable ARM Neon support" ON)
     IF(ALSOFT_CPUEXT_NEON)
         SET(HAVE_NEON 1)