+
+#ifdef MODULE_GC_KLUDGE
+static SCM
+redefine_keyval (void * /* closure */,
+ SCM key,
+ SCM val,
+ SCM result)
+{
+ SCM new_tab = result;
+ scm_hashq_set_x (new_tab, key, val);
+ return new_tab;
+}
+
+/*
+ UGH UGH.
+ Kludge for older GUILE 1.6 versions.
+*/
+void
+make_stand_in_procs_weak ()
+{
+ /*
+ Ugh, ABI breakage for 1.6.5: scm_stand_in_procs is a hashtab from
+ 1.6.5 on.
+ */
+ if (scm_is_pair (scm_stand_in_procs))
+ {
+ return;
+ }
+
+ if (scm_weak_key_hash_table_p (scm_stand_in_procs) == SCM_BOOL_T)
+ {
+#if (SCM_MINOR_VERSION == 7)
+ perform_gc_kludge = false;
+#endif
+ return;
+ }
+
+
+ perform_gc_kludge = true;
+
+
+ SCM old_tab = scm_stand_in_procs;
+ SCM new_tab = scm_make_weak_key_hash_table (scm_from_int (257));
+
+ new_tab = scm_internal_hash_fold ((Hash_closure_function) & redefine_keyval,
+ NULL,
+ new_tab,
+ old_tab);
+
+ scm_stand_in_procs = new_tab;
+}
+
+ADD_SCM_INIT_FUNC (make_stand_in_procs_weak, make_stand_in_procs_weak);
+#endif