From 3c3c49f3b22a72fbc4d79b12dee645ba0bd46ee4 Mon Sep 17 00:00:00 2001
From: Silas Parker <skyhisi@gmail.com>
Date: Tue, 15 May 2018 08:04:48 +0800
Subject: [PATCH] cmake: align include used for LWS_HAVE_TCP_USER_TIMEOUT

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c6844246..97483593c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1423,7 +1423,7 @@ CHECK_C_SOURCE_COMPILES("#define _GNU_SOURCE\n#include <unistd.h>\nint main(void
 # tcp keepalive needs this on linux to work practically... but it only exists
 # after kernel 2.6.37
 
-CHECK_C_SOURCE_COMPILES("#include <linux/tcp.h>\nint main(void) { return TCP_USER_TIMEOUT; }\n" LWS_HAVE_TCP_USER_TIMEOUT)
+CHECK_C_SOURCE_COMPILES("#include <netinet/tcp.h>\nint main(void) { return TCP_USER_TIMEOUT; }\n" LWS_HAVE_TCP_USER_TIMEOUT)
 
 set(CMAKE_REQUIRED_LIBRARIES ${temp})
 # Generate the lws_config.h that includes all the public compilation settings.