From 6850c70b695449d2723050850fa6feea8251b338 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20W=C3=A4ckerlin?= <marc@mrw.sh>
Date: Fri, 12 Sep 2014 14:19:57 +0000
Subject: [PATCH] next try, seems to be in a different namespace; refs #11

---
 src/mrw/checkcxx11.hxx | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/mrw/checkcxx11.hxx b/src/mrw/checkcxx11.hxx
index 63ba99d..95c9bb3 100644
--- a/src/mrw/checkcxx11.hxx
+++ b/src/mrw/checkcxx11.hxx
@@ -8,8 +8,6 @@
 #ifndef __MRW__CHECKCXX11__
 #define __MRW__CHECKCXX11__
 
-#      include <memory>
-
 // check if code is compiled with a new C++11 compiler
 // otherwise there is a fallback wich makes everything much more compliacted
 #  ifndef MRW__OLD_PRE11_COMPILER
@@ -24,7 +22,6 @@
                when support for C++11 is more common. Only rely on
                this workaround, if you really have to.
                Mac gcc is even worse than on other systems. */
-#          include <tr1/memory>
 #          define MRW__OLD_PRE11_COMPILER
 #          warning you need a C++11 compliant compiler, on gcc: add -std=c++11
 #          warning emulating C++11 - this changes the way you use the library
@@ -70,6 +67,17 @@ namespace std {
   };
 };
 #    endif
+#  elsif __APPLE__
+#    include <tr1/memory>
+     namespace std {
+       // there is no std::shared_ptr in apple, but
+       // std::tr1::shared_ptr in <tr1/memory>
+       template <typename T> class shared_ptr: public tr1::shared_ptr<T> {
+         public:
+           explicit shared_ptr(): boost::shared_ptr<T>() {}
+           explicit shared_ptr(T* p): boost::shared_ptr<T>(p) {}
+       };
+     }
 #  endif
 
 #endif