Index: drivers/telescope/lx200driver.cpp
--- drivers/telescope/lx200driver.cpp.orig
+++ drivers/telescope/lx200driver.cpp
@@ -34,7 +34,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Bos
 #include <termios.h>
 #endif
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__OpenBSD__)
 #include <string.h>
 #endif
 
