Index: fitsio2.h
--- fitsio2.h.orig
+++ fitsio2.h
@@ -58,6 +58,8 @@ extern int Fitsio_Pthread_Status;
 #define MINDIRECT 8640   /* minimum size for direct reads and writes */
                          /* MINDIRECT must have a value >= 8640 */
 
+#undef  MACHINE          /* OpenBSD <machine/param.h> */
+
 /*   it is useful to identify certain specific types of machines   */
 #define NATIVE             0 /* machine that uses non-byteswapped IEEE formats */
 #define OTHERTYPE          1  /* any other type of machine */