Configure: Add backward compat fix for Guile 1.8.

[lilypond.git] / lily / include / ly-module.hh

diff --git a/lily/include/ly-module.hh b/lily/include/ly-module.hh
index 68677aba04af2516df63a919908120a4fab2ca06..0a7fdc8726c7a305fd099eb6a7f6af9a3b8f3a97 100644 (file)
--- a/lily/include/ly-module.hh
+++ b/lily/include/ly-module.hh
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2002--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 2002--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -19,6 +19,7 @@
 #ifndef LY_MODULE_HH
 #define LY_MODULE_HH
 
+#include "config.hh"
 #include "lily-guile.hh"
 
 SCM ly_make_anonymous_module (bool safe);
@@ -33,8 +34,11 @@ SCM ly_clear_anonymous_modules ();
 void clear_anonymous_modules ();
 SCM ly_use_module (SCM mod, SCM used);
 
-/* Ugh signature of scm_internal_hash_fold () is inaccurate.  */
-typedef SCM (*Hash_closure_function) (GUILE_ELLIPSIS);
+/* For backward compatability with Guile 1.8 */
+#if !HAVE_GUILE_HASH_FUNC
+typedef SCM (*scm_t_hash_fold_fn) (GUILE_ELLIPSIS);
+typedef SCM (*scm_t_hash_handle_fn) (GUILE_ELLIPSIS);
+#endif
 
 #define MODULE_GC_KLUDGE