$OpenBSD$
--- src/Common/commandline.cpp.orig	Wed Aug 10 17:21:22 2011
+++ src/Common/commandline.cpp	Wed Sep  7 17:13:52 2011
@@ -48,7 +48,7 @@
 #include "Fileformat/pfstiff.h"
 #include "Fileformat/pfs_file_format.h"
 
-#if defined(__FreeBSD__) || defined(WIN32) || defined(Q_WS_MAC) || defined(__APPLE__)
+#if defined(__FreeBSD__) || defined(WIN32) || defined(Q_WS_MAC) || defined(__APPLE__) || defined(__OpenBSD__)
 #define error(Z) { fprintf(stderr,"%s", Z); exit(1); }
 
 #else