From c08ba4464d33ae3ecfc1c26c549597bcda429296 Mon Sep 17 00:00:00 2001
From: Liu Qun <517067180@qq.com>
Date: Mon, 6 May 2019 17:17:07 +0800
Subject: [PATCH] Fix up libpthread linking error with
 dtls/server-dtls-threaded

Signed-off-by: Liu Qun <517067180@qq.com>
---
 dtls/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dtls/Makefile b/dtls/Makefile
index f49edfac..5297077f 100644
--- a/dtls/Makefile
+++ b/dtls/Makefile
@@ -28,6 +28,10 @@ all: $(TARGETS)
 debug: CFLAGS+=$(DEBUG_FLAGS)
 debug: all
 
+# add the -pthread flag and -lpthread lib to any threaded examples
+%-threaded: CFLAGS+=-pthread
+%-threaded: LIBS+=-lpthread
+
 # build template
 %: %.c
 	$(CC) -o $@ $< $(CFLAGS) $(LIBS)