$OpenBSD: patch-sysdeps_openbsd_procmem_c,v 1.11 2018/04/27 10:20:03 robert Exp $
Index: sysdeps/openbsd/procmem.c
--- sysdeps/openbsd/procmem.c.orig
+++ sysdeps/openbsd/procmem.c
@@ -42,6 +42,7 @@
 /* XXX until uvm gets cleaned up */
 #include <sys/mutex.h>
 typedef int boolean_t;
+#define RBT_PROTOTYPE(a, b, c, d)     extern int nope
 #include <uvm/uvm.h>
 
 /* Fixme ... */
