diff -r 3216dafbbd48 libinterp/octave-value/ov.cc
--- a/libinterp/octave-value/ov.cc	Sat Dec 08 08:27:03 2012 -0800
+++ b/libinterp/octave-value/ov.cc	Sat Dec 08 22:37:55 2012 +0100
@@ -76,7 +76,10 @@
 #include "ov-typeinfo.h"
 #include "ov-null-mat.h"
 #include "ov-lazy-idx.h"
+
+#if defined HAVE_JAVA
 #include "ov-java.h"
+#endif
 
 #include "defun.h"
 #include "error.h"
@@ -2755,7 +2758,9 @@
   octave_null_sq_str::register_type ();
   octave_lazy_index::register_type ();
   octave_oncleanup::register_type ();
+#if defined HAVE_JAVA
   octave_java::register_type ();
+#endif
 }
 
 DEFUN (sizeof, args, ,