From e9c77e7fccc5607669b337560b3ae316ba43a33a Mon Sep 17 00:00:00 2001
From: Franck HOUSSEN <franck.houssen@eolen.com>
Date: Mon, 25 Jun 2018 14:44:53 +0200
Subject: [PATCH] C++11 (for ICB): do NOT use hard-coded gnu++11. Let cmake
 pick-up what's best (need cmake > 3.1 to do so).

Hard-coded gnu++11 may break on specific archis (armel, ppc64el, ...).
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index daf69a07f..a9f3783c0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,7 +63,7 @@ endfunction(pexamples)
 if (ICB)
     enable_language(C CXX) # For testing binding with c/c++.
 
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
+    set(CMAKE_CXX_STANDARD 11) # OK, since cmake-3.1 only.
 
     file(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/PROG_ICB.f90
          "