Add platform to welcome message.
diff --git a/Modules/main.c b/Modules/main.c
index 5d01abd..5c631d0 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -49,6 +49,7 @@
 
 /* Subroutines that live in their own file */
 extern char *Py_GetVersion();
+extern char *Py_GetPlatform();
 extern char *Py_GetCopyright();
 
 
@@ -219,8 +220,8 @@
 
 	if (Py_VerboseFlag ||
 	    (command == NULL && filename == NULL && stdin_is_interactive))
-		fprintf(stderr, "Python %s\n%s\n",
-			Py_GetVersion(), Py_GetCopyright());
+		fprintf(stderr, "Python %s on %s\n%s\n",
+			Py_GetVersion(), Py_GetPlatform(), Py_GetCopyright());
 	
 	Py_Initialize();