--- gdal/ogr/ogrsf_frmts/shape/sbnsearch.c_	2016-05-04 08:30:04.000000000 -0700
+++ gdal/ogr/ogrsf_frmts/shape/sbnsearch.c	2016-05-04 08:30:32.000000000 -0700
@@ -34,6 +34,7 @@
  ******************************************************************************/
 
 #include "shapefil.h"
+#include "cpl_port.h"
 
 #include <math.h>
 #include <assert.h>