From 0553842347d0a93aa1aa71c486f71a8a8f477684 Mon Sep 17 00:00:00 2001
From: Alexandre Duret-Lutz <adl@lrde.epita.fr>
Date: Tue, 10 Nov 2015 13:36:21 +0100
Subject: [PATCH] activate c11 for gnulib tests

* configure.ac: Here.
---
 configure.ac | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index edbed79a5..580ce4a65 100644
--- a/configure.ac
+++ b/configure.ac
@@ -44,8 +44,10 @@ AC_PROG_CXX
 AM_PROG_LEX
 adl_CHECK_BISON
 
-gl_INIT
+# Activate at C11 for gnulib tests
+AX_CHECK_COMPILE_FLAG([-std=c11], [CFLAGS="$CFLAGS -std=c11"])
 
+gl_INIT
 
 # Use -Werror since using -fvisibility under MinGW is only a warning.
 # (The option is ignored anyway since this does not make sense under windows).