--- pyconfig.h.in
+++ pyconfig.h.in
@@ -982,6 +982,9 @@
 /* Define to 1 if you have the <sys/poll.h> header file. */
 #undef HAVE_SYS_POLL_H
 
+/* Define to 1 if you have the <sys/random.h> header file. */
+#undef HAVE_SYS_RANDOM_H
+
 /* Define to 1 if you have the <sys/resource.h> header file. */
 #undef HAVE_SYS_RESOURCE_H
 
