From f7b845ff41090caa4e5efc01db43d71aa70d4a21 Mon Sep 17 00:00:00 2001
From: Alexander Traud <pabstraud@compuserve.com>
Date: Sat, 3 Mar 2018 10:53:12 +0100
Subject: [PATCH] BuildSystem: Avoid re-defining of pthread_* on NetBSD.

ASTERISK-27711

Change-Id: Idc9194035b2958b99f6b01eb5b438d45a074565b
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index a11c8deb89..5d2d4a10a3 100644
--- a/Makefile
+++ b/Makefile
@@ -228,7 +228,7 @@ ifeq ($(OSARCH),FreeBSD)
 endif
 
 ifeq ($(OSARCH),NetBSD)
-  _ASTCFLAGS+=-pthread -I/usr/pkg/include
+  _ASTCFLAGS+=-pthread -D__LIBPTHREAD_SOURCE__ -I/usr/pkg/include
 endif
 
 ifeq ($(OSARCH),OpenBSD)