Index: databases/memcached/Makefile
===================================================================
--- databases/memcached/Makefile
+++ databases/memcached/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	memcached
-PORTVERSION=	1.5.19
+PORTVERSION=	1.5.21
 CATEGORIES=	databases
 MASTER_SITES=	http://www.memcached.org/files/ \
 		GENTOO
Index: databases/memcached/distinfo
===================================================================
--- databases/memcached/distinfo
+++ databases/memcached/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1569926431
-SHA256 (memcached-1.5.19.tar.gz) = 3ddcdaa2d14d215f3111a7448b79c889c57618a26e97ad989581f1880a5a4be0
-SIZE (memcached-1.5.19.tar.gz) = 517380
+TIMESTAMP = 1579779591
+SHA256 (memcached-1.5.21.tar.gz) = e3d10c06db755b220f43d26d3b68d15ebf737a69c7663529b504ab047efe92f4
+SIZE (memcached-1.5.21.tar.gz) = 532631
Index: databases/memcached/files/patch-configure.ac
===================================================================
--- databases/memcached/files/patch-configure.ac
+++ databases/memcached/files/patch-configure.ac
@@ -1,21 +1,11 @@
---- configure.ac.orig	2017-12-21 06:24:20 UTC
-+++ configure.ac
-@@ -143,8 +143,7 @@ if test "x$enable_dtrace" = "xyes"; then
-   if test "x$DTRACE" != "xno"; then
-     AC_DEFINE([ENABLE_DTRACE],1,[Set to nonzero if you want to include DTRACE])
-     build_dtrace=yes
--    # DTrace on MacOSX does not use -G option
--    $DTRACE -G -o conftest.$$ -s memcached_dtrace.d 2>/dev/zero
-+    /usr/bin/true
-     if test $? -eq 0
-     then
-         dtrace_instrument_obj=yes
-@@ -627,7 +626,7 @@ then
+--- configure.ac.orig	2020-01-21 22:04:57.000000000 +0000
++++ configure.ac	2020-01-23 11:41:41.086280000 +0000
+@@ -767,7 +767,7 @@
  elif test "$GCC" = "yes"
  then
    GCC_VERSION=`$CC -dumpversion`
 -  CFLAGS="$CFLAGS -Wall -Werror -pedantic -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls"
 +  CFLAGS="$CFLAGS -Wall -pedantic -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls"
-   case $GCC_VERSION in
-     4.4.*)
-     CFLAGS="$CFLAGS -fno-strict-aliasing"
+   if test "x$enable_asan" = "xyes"; then
+     CFLAGS="$CFLAGS -fsanitize=address"
+   fi