$OpenBSD: patch-src_config_h,v 1.1 2011/11/29 16:07:23 dcoppa Exp $
--- src/config.h.orig	Tue Nov 29 16:32:12 2011
+++ src/config.h	Tue Nov 29 16:32:26 2011
@@ -25,7 +25,7 @@
 #endif
 
 /* Test for backtrace() */
-#if defined(__APPLE__) || defined(__linux__)
+#if defined(__APPLE__) || defined(__linux__) || defined(__OpenBSD__)
 #define HAVE_BACKTRACE 1
 #endif
 
