From 90a391faa47299bcdde3f97726c12f1be2b89f55 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20W=C3=A4ckerlin?= <marc@mrw.sh>
Date: Fri, 27 Sep 2013 12:51:06 +0000
Subject: [PATCH] shared_ptr is already in C++03 pre-releases; refs #7

---
 src/mrw/checkcxx11.hxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mrw/checkcxx11.hxx b/src/mrw/checkcxx11.hxx
index 82e9f13..13dac1f 100644
--- a/src/mrw/checkcxx11.hxx
+++ b/src/mrw/checkcxx11.hxx
@@ -28,7 +28,8 @@
 
 
 #  ifdef MRW__OLD_PRE11_COMPILER
-#    include <boost/shared_ptr.hpp>
+#    if __cplusplus > 200300L
+#      include <boost/shared_ptr.hpp>
 namespace std {
   // there is no std::shared_ptr in pre C++11 compilers, so we use the
   // one from the boost library as a 1:1 replacement
@@ -37,6 +38,7 @@ namespace std {
       explicit shared_ptr(T* p): boost::shared_ptr<T>(p) {}
   };
 };
+#    endif
 #  endif
 
 #endif