add the copyctor feature/directive to enable automatic copy constructors. In the way, fix how default ctor/dtor are added

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@8129 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Lib/std/std_streambuf.i

@@ -80,6 +80,9 @@ namespace std {
   protected:
     basic_streambuf();
 
+  private:
+    basic_streambuf(const basic_streambuf&);
+
   }; 
 }
 

SWIG/Lib/swig.swg

@@ -63,10 +63,10 @@
 #define %defaultdtor         %feature("nodefaultdtor","0")
 #define %clearnodefaultdtor  %feature("nodefaultdtor","")
 
-/* Disable the generation of copy constructor */
-#define %nocopyctor       %feature("nocopyctor","1")
-#define %copyctor         %feature("nocopyctor","0")
-#define %clearnocopyctor  %feature("nocopyctor","")
+/* Enable the generation of copy constructor */
+#define %copyctor       %feature("copyctor","1")
+#define %nocopyctor     %feature("copyctor","0")
+#define %clearcopyctor  %feature("copyctor","")
 
 /* Force the old nodefault behavior, ie disable both constructor and destructor */
 #define %oldnodefault       %feature("oldnodefault","1")

SWIG/Lib/typemaps/swigtype.swg

@@ -155,6 +155,7 @@
   }
 }
 
+
 /* memberin/globalin/varin, for fix double arrays. */
 
 %typemap(memberin) SWIGTYPE [ANY][ANY] {