From 6d7e8fc8a591966aee9836141b11af68fa7b94fe Mon Sep 17 00:00:00 2001
From: Jonathan Marten <jjm@keelhaul.me.uk>
Date: Thu, 5 Nov 2020 19:46:23 +0000
Subject: [PATCH] Fix for Clang: clockskewnotifierengine_linux.cpp needs
 <cerrno>

GCC doesn't seem to mind, but Clang complains that 'errno' is not
defined.
---
 colorcorrection/clockskewnotifierengine_linux.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/colorcorrection/clockskewnotifierengine_linux.cpp b/colorcorrection/clockskewnotifierengine_linux.cpp
index 8d11b4c9b2..e06a04e6d8 100644
--- a/colorcorrection/clockskewnotifierengine_linux.cpp
+++ b/colorcorrection/clockskewnotifierengine_linux.cpp
@@ -11,6 +11,7 @@
 #include <fcntl.h>
 #include <sys/timerfd.h>
 #include <unistd.h>
+#include <cerrno>
 
 #ifndef TFD_TIMER_CANCEL_ON_SET // only available in newer glib
 #define TFD_TIMER_CANCEL_ON_SET (1 << 1)