$NetBSD: patch-ap,v 1.2 2011/01/29 22:50:32 jnemeth Exp $

# Reported upstream as https://issues.asterisk.org/view.php?id=18705

--- configure.ac.orig	2010-11-09 20:33:05.000000000 +0000
+++ configure.ac
@@ -981,6 +981,9 @@ AST_C_DEFINE_CHECK([IP_MTU_DISCOVER], [I
 AC_CHECK_HEADER([libkern/OSAtomic.h],
                 [AC_DEFINE_UNQUOTED([HAVE_OSX_ATOMICS], 1, [Define to 1 if OSX atomic operations are supported.])])
 
+AC_CHECK_HEADER([sys/atomic.h],
+                [AC_DEFINE_UNQUOTED([HAVE_SYS_ATOMIC_H], 1, [Define to 1 if sys/atomic.h atomic operations are supported.])])
+
 AC_CHECK_SIZEOF([int])
 AC_CHECK_SIZEOF([long])
 AC_CHECK_SIZEOF([long long])
