diff -ruN ORIG/ConicProjection.cpp ConicProjection.cpp
--- ORIG/ConicProjection.cpp	Fri May  5 07:24:56 2000
+++ ConicProjection.cpp	Fri Apr 27 19:07:21 2001
@@ -7,6 +7,7 @@
 #include "ConicProjection.h"
 #include "DatumConvertor.h"
 
+#include <stdio.h>
 // GCTPC includes
 #include "gctpc/gctpc.h"
 #include "gctpc/proj.h"