From 6260263ef3a21f3071675898572ef34ba6076d9c Mon Sep 17 00:00:00 2001
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Thu, 9 May 2019 14:01:24 +0200
Subject: [PATCH] buildsystem: add SCM_TIMESTAMPING_OPT_STATS if not already
 defined

---
 CMakeLists.txt | 1 +
 Makefile       | 1 +
 configure.ac   | 3 +++
 3 files changed, 5 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c3607ef..54717ff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,7 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DSO_RXQ_OVFL=40")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DPF_CAN=29")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DAF_CAN=PF_CAN")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DN_SLCAN=17")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DSCM_TIMESTAMPING_OPT_STATS=54")
 
 include_directories (.)
 include_directories (./include)
diff --git a/Makefile b/Makefile
index 2a0962a..d215b1a 100644
--- a/Makefile
+++ b/Makefile
@@ -50,6 +50,7 @@ CPPFLAGS += \
 	-DAF_CAN=PF_CAN \
 	-DPF_CAN=29 \
 	-DSO_RXQ_OVFL=40 \
+	-DSCM_TIMESTAMPING_OPT_STATS=54 \
 	-D_FILE_OFFSET_BITS=64 \
 	-D_GNU_SOURCE
 
diff --git a/configure.ac b/configure.ac
index fdfc300..2d4993b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -88,6 +88,9 @@ AC_CHECK_DECL(AF_CAN,,
 AC_CHECK_DECL(N_SLCAN,,
     [AC_DEFINE([N_SLCAN], [17], [N_SLCAN])]
 )
+AC_CHECK_DECL(SCM_TIMESTAMPING_OPT_STATS,,
+    [AC_DEFINE([SCM_TIMESTAMPING_OPT_STATS], [54], [SCM_TIMESTAMPING_OPT_STATS])]
+)
 AC_DEFINE(_GNU_SOURCE)