From fee3f26c311945818a788b8b9feee6004635d7b6 Mon Sep 17 00:00:00 2001
From: Jianhui Zhao <zhaojh329@gmail.com>
Date: Mon, 24 Aug 2020 23:34:41 +0800
Subject: [PATCH] Fix build fail on openwrt

Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
---
 src/CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b98c8b4..50f568d 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -18,6 +18,8 @@ include_directories(
 
 set(EXTRA_LIBS ${LIBEV_LIBRARY} m)
 
+include(CheckLibraryExists)
+
 check_library_exists(dl dlopen "" HAVE_DLOPEN)
 if(HAVE_DLOPEN)
     list(APPEND EXTRA_LIBS dl)