Index: include/urcu/syscall-compat.h
--- include/urcu/syscall-compat.h.orig
+++ include/urcu/syscall-compat.h
@@ -33,7 +33,7 @@
 #include <syscall.h>
 
 #elif defined(__CYGWIN__) || defined(__APPLE__) || \
-	defined(__FreeBSD__) || defined(__DragonFly__)
+	defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
 /* Don't include anything on these platforms. */
 
 #else