--- gfc-0.8.8.1b/utils/src/gmmap.h.orig	Wed Feb 17 14:31:03 1999
+++ gfc-0.8.8.1b/utils/src/gmmap.h	Sat Jun 26 21:43:18 1999
@@ -12,7 +12,18 @@
 
 #include <unistd.h>
 
+/* the next lines are to define BSD */
+/* see http://www.freebsd.org/handbook/porting.html for why we do this */
+#if (defined(__unix__) || defined(unix)) && !defined(USG)
+#include <sys/param.h>
+#endif
+
 #ifdef _LINUX_
+#include <sys/mman.h>
+#include <sys/types.h>
+#endif
+
+#ifdef BSD
 #include <sys/mman.h>
 #include <sys/types.h>
 #endif