--- /dev/null
+From f36f71f60b1e68c0f12e615b9b128d089ec3dd19 Mon Sep 17 00:00:00 2001
+From: Bastien Nocera <hadess@hadess.net>
+Date: Fri, 7 Jun 2019 09:51:33 +0200
+Subject: [PATCH] tools: Fix build after y2038 changes in glibc
+
+The 32-bit SIOCGSTAMP has been deprecated. Use the deprecated name
+to fix the build.
+
+Upstream-Status: backport commit f36f71f60b1e68c0f12e615b9b128d089ec3dd19
+
+Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
+
+---
+ tools/l2test.c | 6 +++++-
+ tools/rctest.c | 6 +++++-
+ 2 files changed, 10 insertions(+), 2 deletions(-)
+
+diff --git a/tools/l2test.c b/tools/l2test.c
+index e755ac881..e787c2ce2 100644
+--- a/tools/l2test.c
++++ b/tools/l2test.c
+@@ -55,6 +55,10 @@
+ #define BREDR_DEFAULT_PSM 0x1011
+ #define LE_DEFAULT_PSM 0x0080
+
++#ifndef SIOCGSTAMP_OLD
++#define SIOCGSTAMP_OLD SIOCGSTAMP
++#endif
++
+ /* Test modes */
+ enum {
+ SEND,
+@@ -907,7 +911,7 @@ static void recv_mode(int sk)
+ if (timestamp) {
+ struct timeval tv;
+
+- if (ioctl(sk, SIOCGSTAMP, &tv) < 0) {
++ if (ioctl(sk, SIOCGSTAMP_OLD, &tv) < 0) {
+ timestamp = 0;
+ memset(ts, 0, sizeof(ts));
+ } else {
+diff --git a/tools/rctest.c b/tools/rctest.c
+index 94490f462..bc8ed875d 100644
+--- a/tools/rctest.c
++++ b/tools/rctest.c
+@@ -50,6 +50,10 @@
+
+ #include "src/shared/util.h"
+
++#ifndef SIOCGSTAMP_OLD
++#define SIOCGSTAMP_OLD SIOCGSTAMP
++#endif
++
+ /* Test modes */
+ enum {
+ SEND,
+@@ -505,7 +509,7 @@ static void recv_mode(int sk)
+ if (timestamp) {
+ struct timeval tv;
+
+- if (ioctl(sk, SIOCGSTAMP, &tv) < 0) {
++ if (ioctl(sk, SIOCGSTAMP_OLD, &tv) < 0) {
+ timestamp = 0;
+ memset(ts, 0, sizeof(ts));
+ } else {
+--
+2.19.1
+