fix for yacc compilation on Alpha

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7399 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/parser.y

@@ -156,10 +156,12 @@ void yyerror(char *s)
  * the UNIX flex expects a proper function.
  */
 
-/* Not sure if __SC__ is the appropriate thing
- * to test
- */
-
+/* At least on alphaev6-dec-osf4.0e yywrap() must be #define'd */
+#ifdef __ALPHA__
+#ifndef yywrap
+#define yywrap() 1
+#endif
+#else
 /* HH: Added test for __WX_SETUP_H__ for gnuwin builds
  * using configure */ 
 #if !defined(__SC__) && !defined(__GNUWIN32__) 
@@ -175,3 +177,5 @@ int yywrap() { return 1; }
 #elif defined(__WX_SETUP_H__)
 int yywrap() { return 1; }
 #endif
+#endif
+