diff -uNr memcached-1.6.9/crc32c.c memcached-1.6.9.mod/crc32c.c
--- memcached-1.6.9/crc32c.c	2020-11-21 00:10:41.000000000 +0000
+++ memcached-1.6.9.mod/crc32c.c	2020-11-22 14:25:55.009587536 +0000
@@ -43,6 +43,10 @@
 #include <pthread.h>
 #include "crc32c.h"
 
+#if defined(__ANDROID__) && defined(__aarch64__)
+# include <asm/hwcap.h>
+#endif
+
 crc_func crc32c;
 
 /* CRC-32C (iSCSI) polynomial in reversed bit order. */