diff -ur mariadb-10.3.14/include/my_global.h mariadb-10.3.14+iPhone/include/my_global.h
--- mariadb-10.3.14/include/my_global.h	2019-04-01 14:03:56.000000000 +0000
+++ mariadb-10.3.14+iPhone/include/my_global.h	2019-05-10 20:07:35.881061675 +0000
@@ -164,7 +164,7 @@
 #  if defined(__i386__) || defined(__ppc__)
 #    define SIZEOF_CHARP 4
 #    define SIZEOF_LONG 4
-#  elif defined(__x86_64__) || defined(__ppc64__)
+#  elif defined(__x86_64__) || defined(__ppc64__) || defined(__aarch64__)
 #    define SIZEOF_CHARP 8
 #    define SIZEOF_LONG 8
 #  else