diff -ruN bindings/octave/Makefile.am bindings/octave/Makefile.am
--- bindings/octave/Makefile.am	2004-09-07 17:00:47.000000000 +0100
+++ bindings/octave/Makefile.am	2005-04-08 20:17:02.000000000 +0100
@@ -75,7 +75,7 @@
 plplot_octave.cc tmp_stub: plplot_octave.h
 	$(PERL) $(MATWRAP) -language octave -o plplot_octave.cc	-stub tmp_stub \
 	-cpp_ignore $(srcdir) -cpp_ignore plplot_octave_rej.h -cpp $(CC) \
-	-E -I$(srcdir) -C plplot_octave.h
+	-D__builtin_va_list=void -E -I$(srcdir) -C plplot_octave.h
 	mv -f plplot_octave.cc tmp_plplot_octave.cc
 	sed 's/ string / std::string /' tmp_plplot_octave.cc > plplot_octave.cc
 
diff -ruN bindings/octave/Makefile.in bindings/octave/Makefile.in
--- bindings/octave/Makefile.in	2005-04-04 15:54:31.000000000 +0100
+++ bindings/octave/Makefile.in	2005-04-08 20:17:24.000000000 +0100
@@ -920,7 +920,7 @@
 @enable_octave_TRUE@plplot_octave.cc tmp_stub: plplot_octave.h
 @enable_octave_TRUE@	$(PERL) $(MATWRAP) -language octave -o plplot_octave.cc	-stub tmp_stub \
 @enable_octave_TRUE@	-cpp_ignore $(srcdir) -cpp_ignore plplot_octave_rej.h -cpp $(CC) \
-@enable_octave_TRUE@	-E -I$(srcdir) -C plplot_octave.h
+@enable_octave_TRUE@	-D__builtin_va_list=void -E -I$(srcdir) -C plplot_octave.h
 @enable_octave_TRUE@	mv -f plplot_octave.cc tmp_plplot_octave.cc
 @enable_octave_TRUE@	sed 's/ string / std::string /' tmp_plplot_octave.cc > plplot_octave.cc