$OpenBSD: patch-sal_osl_unx_backtrace_h,v 1.3 2007/04/18 13:20:48 kurt Exp $
--- sal/osl/unx/backtrace.h.orig.port	Thu Feb  9 12:05:59 2006
+++ sal/osl/unx/backtrace.h	Wed Apr 18 03:46:26 2007
@@ -34,7 +34,7 @@
  ************************************************************************/
 
 
-#if defined (SOLARIS) || (FREEBSD) 
+#if defined (SOLARIS) || (FREEBSD) || (OPENBSD)
 
 #ifdef __cplusplus
 extern "C" {
@@ -47,7 +47,7 @@ int backtrace( void **buffer, int max_frames );
 void backtrace_symbols_fd( void **buffer, int size, int fd );
 
 /* no frame.h on FreeBSD */
-#if defined FREEBSD
+#if defined FREEBSD || defined OPENBSD
 struct frame {
 	long	arg0[8];
 	long	arg1[6];
