From 4d2921e31b4342e7c2edfae2553089468c66b912 Mon Sep 17 00:00:00 2001
From: Ray Kim <msca8h@naver.com>
Date: Tue, 27 Jun 2017 02:59:58 +0900
Subject: [PATCH] Fixed stdc++.hpp build error on gcc 7

included algorithm in c++defines.hpp
this fixes std::clamp's feature test which was not working.
---
 include/nana/c++defines.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/nana/c++defines.hpp b/include/nana/c++defines.hpp
index a9381f23..980e98a0 100644
--- a/include/nana/c++defines.hpp
+++ b/include/nana/c++defines.hpp
@@ -195,6 +195,8 @@
 #	endif
 #endif
 
+// std::clamp's feature test macro is defined inside <algorithm> 
+#include <algorithm>
 #if (!defined(__cpp_lib_clamp)) || (__cpp_lib_clamp < 201603)
 #	ifndef _enable_std_clamp
 #		define _enable_std_clamp