From 439aac144969ba7ada8bf040b0fc830ac80b9684 Mon Sep 17 00:00:00 2001
From: Xiang Xiao <xiaoxiang@xiaomi.com>
Date: Mon, 27 Aug 2018 05:53:07 -0600
Subject: [PATCH] include/nuttx/compiler.h: fix warning: __cplusplus is not
 defined.  Some gcc derived compiler do not define __cplusplus

---
 include/nuttx/compiler.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/nuttx/compiler.h b/include/nuttx/compiler.h
index fa018859bfa..f921c2df90b 100644
--- a/include/nuttx/compiler.h
+++ b/include/nuttx/compiler.h
@@ -81,7 +81,7 @@
 
 /* C++ support */
 
-#if __cplusplus >= 201402L
+#if defined(__cplusplus) && __cplusplus >= 201402L
 #  define CONFIG_HAVE_CXX14 1
 #else
 #  undef CONFIG_HAVE_CXX14