All languages now define a macro in the generated C/C++ wrapper file indicating which language is being wrapped, eg #define SWIGJAVA

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@11018 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Source/Modules/tcl8.cxx

@@ -160,6 +160,9 @@ public:
 
     Swig_banner(f_runtime);
 
+    Printf(f_runtime, "#define SWIGTCL\n");
+    Printf(f_runtime, "\n");
+
     /* Set the module name, namespace, and prefix */
 
     module = NewStringf("%(lower)s", Getattr(n, "name"));