From c3b873dd443eaf59e64cbe3d06e5fe096a65515a Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Sun, 1 Aug 2021 10:09:28 +0200
Subject: [PATCH] package/ibrdtnd: fix build with gcc 11

Fixes:
 - No autobuilder failures yet

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
---
 package/ibrdtnd/ibrdtnd.mk | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/package/ibrdtnd/ibrdtnd.mk b/package/ibrdtnd/ibrdtnd.mk
index 0632ed36b7..20ac496fee 100644
--- a/package/ibrdtnd/ibrdtnd.mk
+++ b/package/ibrdtnd/ibrdtnd.mk
@@ -18,7 +18,9 @@ IBRDTND_CONF_OPTS = \
 	--without-vmime
 
 # don't build documentation
-IBRDTND_CONF_ENV = PDFLATEX='no'
+IBRDTND_CONF_ENV = \
+	PDFLATEX='no' \
+	CXXFLAGS="$(TARGET_CXXFLAGS) -std=c++11"
 
 ifeq ($(BR2_PACKAGE_LIBDAEMON),y)
 IBRDTND_CONF_OPTS += --enable-libdaemon
-- 
2.30.2