shared_ptr is already in C++03 pre-releases; refs #7

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