diff -ruN plplot-5.3.1/bindings/octave/Makefile.am plplot-5.3.1-cryos/bindings/octave/Makefile.am
--- plplot-5.3.1/bindings/octave/Makefile.am	2004-06-14 22:51:50.000000000 +0100
+++ plplot-5.3.1-cryos/bindings/octave/Makefile.am	2005-01-26 12:13:43.085567448 +0000
@@ -74,7 +74,7 @@
 # also still works on gcc 2.95
 plplot_octave.cc tmp_stub: plplot_octave.h
 	$(PERL) $(MATWRAP) -language octave -o plplot_octave.cc	-stub tmp_stub \
-	-cpp_ignore plplot_octave_rej.h -cpp $(CC) -E -C plplot_octave.h
+	-cpp_ignore plplot_octave_rej.h -cpp $(CC) -D__builtin_va_list=void -E -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 plplot-5.3.1/bindings/octave/Makefile.in plplot-5.3.1-cryos/bindings/octave/Makefile.in
--- plplot-5.3.1/bindings/octave/Makefile.in	2004-06-25 08:18:00.000000000 +0100
+++ plplot-5.3.1-cryos/bindings/octave/Makefile.in	2005-01-26 12:13:55.387697240 +0000
@@ -877,7 +877,7 @@
 # also still works on gcc 2.95
 @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 plplot_octave_rej.h -cpp $(CC) -E -C plplot_octave.h
+@enable_octave_TRUE@	-cpp_ignore plplot_octave_rej.h -cpp $(CC) -D__builtin_va_list=void -E -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