From ace2aa764e19eb1fcb24fa796cebad365f09df11 Mon Sep 17 00:00:00 2001
From: Roger Light <roger@atchoo.org>
Date: Mon, 8 Mar 2021 23:57:04 +0000
Subject: [PATCH] Fix cmake epoll detection.

---
 ChangeLog.txt      | 3 +++
 src/CMakeLists.txt | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/ChangeLog.txt b/ChangeLog.txt
index ee2fd96b85..47bda05641 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -8,6 +8,9 @@ Broker:
 - Fix QoS 0 messages not being delivered when max_queued_bytes was configured.
   Closes #2123.
 
+Build:
+- Fix cmake epoll detection.
+
 
 2.0.8 - 2021-02-25
 ==================
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f283c8d0a9..7be3988984 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -77,6 +77,11 @@ if (WITH_BUNDLED_DEPS)
 	include_directories(${mosquitto_SOURCE_DIR} ${mosquitto_SOURCE_DIR}/deps)
 endif (WITH_BUNDLED_DEPS)
 
+find_path(HAVE_SYS_EPOLL_H sys/epoll.h)
+if (HAVE_SYS_EPOLL_H)
+	add_definitions("-DWITH_EPOLL")
+endif()
+
 option(INC_BRIDGE_SUPPORT
 	"Include bridge support for connecting to other brokers?" ON)
 if (INC_BRIDGE_SUPPORT)