Index: guile-1.8.1/libguile/Makefile.am
===================================================================
--- guile-1.8.1.orig/libguile/Makefile.am
+++ guile-1.8.1/libguile/Makefile.am
@@ -22,6 +22,7 @@
 AUTOMAKE_OPTIONS = gnu
 
 ## Prevent automake from adding extra -I options
+DEFAULT_INCLUDES = 
 DEFS = @DEFS@
 ## Check for headers in $(srcdir)/.., so that #include
 ## <libguile/MUMBLE.h> will find MUMBLE.h in this dir when we're