Daniel Jahre:

package/public/guile/guile-gcc4.patch

@@ -0,0 +1,14 @@
+--- ./libguile/guile.c.vanilla	2005-12-12 23:23:05.000000000 +0100
++++ ./libguile/guile.c	2005-12-12 23:23:56.000000000 +0100
+@@ -88,8 +88,9 @@
+ {
+ #ifdef DYNAMIC_LINKING
+   /* libtool automagically inserts this variable into your executable... */
+-  extern const scm_lt_dlsymlist lt_preloaded_symbols[];
+-  scm_lt_dlpreload_default (lt_preloaded_symbols);
++// commenting the next two lines out for gcc4 as suggested on the guile ml
++//  extern const scm_lt_dlsymlist lt_preloaded_symbols[];
++//  scm_lt_dlpreload_default (lt_preloaded_symbols);
+ #endif
+   scm_boot_guile (argc, argv, inner_main, 0);
+   return 0; /* never reached */