diff -r e80cd1a9b659 -r b76c7672b0eb components/autogen/patches/guile-iface.h.patch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/autogen/patches/guile-iface.h.patch	Fri May 31 10:26:55 2013 -0700
@@ -0,0 +1,35 @@
+The guile gh_scm2ulong() and scm_to_ulong() routines should really
+return an unsigned long otherwise the generation of the getdefs
+opts.[h,c] files from the opts.def file fails for 32-bit SPARC.
+
+This problem has been reported upstream, and the fix is in autogen-5.17.5pre2
+
+--- autogen-5.16.2/agen5/guile-iface.h.orig	2013-05-31 09:59:18.924928189 -0700
++++ autogen-5.16.2/agen5/guile-iface.h	2013-05-31 10:00:51.274085992 -0700
+@@ -32,7 +32,7 @@
+ # define AG_SCM_SYM_P(_s)             SCM_SYMBOLP(_s)
+ # define AG_SCM_TO_INT(_i)            gh_scm2int(_i)
+ # define AG_SCM_TO_LONG(_v)           gh_scm2long(_v)
+-# define AG_SCM_TO_ULONG(_v)          gh_scm2ulong(_v)
++# define AG_SCM_TO_ULONG(_v)          ((unsigned long)gh_scm2ulong(_v))
+ # define AG_SCM_VEC_P(_v)             SCM_VECTORP(_v)
+ 
+ #elif GUILE_VERSION < 200000
+@@ -58,7 +58,7 @@
+ # define AG_SCM_SYM_P(_s)             scm_is_symbol(_s)
+ # define AG_SCM_TO_INT(_i)            scm_to_int(_i)
+ # define AG_SCM_TO_LONG(_v)           scm_to_long(_v)
+-# define AG_SCM_TO_ULONG(_v)          scm_to_ulong(_v)
++# define AG_SCM_TO_ULONG(_v)          ((unsigned long)scm_to_ulong(_v))
+ # define AG_SCM_VEC_P(_v)             scm_is_vector(_v)
+ 
+ #elif GUILE_VERSION < 201000
+@@ -84,7 +84,7 @@
+ # define AG_SCM_SYM_P(_s)             scm_is_symbol(_s)
+ # define AG_SCM_TO_INT(_i)            scm_to_int(_i)
+ # define AG_SCM_TO_LONG(_v)           scm_to_long(_v)
+-# define AG_SCM_TO_ULONG(_v)          scm_to_ulong(_v)
++# define AG_SCM_TO_ULONG(_v)          ((unsigned long)scm_to_ulong(_v))
+ # define AG_SCM_VEC_P(_v)             scm_is_vector(_v)
+ 
+ #else