-#ifndef __HELPH_BASE__
-#define __HELPH_BASE__
+#ifndef _WX_HELP_H_BASE_
+#define _WX_HELP_H_BASE_
-#ifdef __WINDOWS__
-#include "wx/msw/helpwin.h"
-#elif defined(__GTK__)
-#include "wx/generic/helphtml.h"
+#include "wx/helpbase.h"
+
+#ifdef __WXMSW__
+ #include "wx/msw/helpwin.h"
+
+ #define wxHelpController wxWinHelpController
+ #define sm_classwxHelpController sm_classwxWinHelpController
+#else // !MSW
+
+/* By default, if wxHTML is compiled in, use the
+ wxHelpControllerHtml. If not, use the external help controller.
+ (of course, we shouldn't do it for wxMSW)
+*/
+
+#if wxUSE_HTML
+# include "wx/generic/helpwxht.h"
+# define wxHelpController wxHelpControllerHtml
+# define sm_classwxHelpController sm_classwxHelpControllerHtml
#else
-#include "wx/generic/helpxlp.h"
+# include "wx/generic/helpext.h"
+# define wxHelpController wxExtHelpController
+# define sm_classwxHelpController sm_classwxExtHelpController
#endif
+#endif // MSW/!MSW
+
#endif
- // __HELPH_BASE__
+ // _WX_HELP_H_BASE_