diff --git a/prngd/prngd.patch b/prngd/prngd.patch
new file mode 100644
index 0000000000..0f6c42949b
--- /dev/null
+++ b/prngd/prngd.patch
@@ -0,0 +1,16 @@
+--- prngd.c.orig	Tue May  8 14:38:10 2001
++++ prngd.c	Thu Aug 23 09:57:00 2001
+@@ -17,6 +17,13 @@
+ 
+ #include "prngd.h"
+ 
++#ifndef O_SYNC 
++#define O_SYNC 0
++#endif
++#ifndef O_RSYNC 
++#define O_RSYNC 0
++#endif
++
+ static int randsavefd = -1;
+ int debug = 0;
+ int fg = 0;