$OpenBSD: patch-src_pyodbc_h,v 1.1 2016/11/19 13:37:51 patrick Exp $
--- src/pyodbc.h.orig	Sat Nov 19 13:01:11 2016
+++ src/pyodbc.h	Sat Nov 19 13:01:34 2016
@@ -80,7 +80,7 @@ inline void UNUSED(...) { }
 #include <stdarg.h>
 
 #if defined(__SUNPRO_CC) || defined(__SUNPRO_C) || (defined(__GNUC__) && !defined(__MINGW32__))
-#ifndef __FreeBSD__
+#if !defined(__FreeBSD__) && !defined(__OpenBSD__)
 #include <alloca.h>
 #endif
 #define CDECL cdecl
