$OpenBSD: patch-src_common_os_h,v 1.3 2021/02/27 16:06:27 rsadowski Exp $

Index: src/common/os.h
--- src/common/os.h.orig
+++ src/common/os.h
@@ -21,7 +21,7 @@
 #else
 # define COMP_GCC
 # define SYS_UNIX
-# if defined(__bsdi__) || defined(__FreeBSD__)
+# if defined(__bsdi__) || defined(__FreeBSD__) || defined(__OpenBSD__)
 #  define SYS_BSD
 # elif defined(__sun) && defined(__SUNPRO_CC)
 #  undef COMP_GCC
