From 85b6a967254af5493f1130631da5aa99559675e3 Mon Sep 17 00:00:00 2001
From: "FeRD (Frank Dana)" <ferdnyc@gmail.com>
Date: Wed, 8 Jul 2020 17:56:08 -0400
Subject: [PATCH] Enable IN_LIST in older CMake

---
 src/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 61892668c..ffaa7e8bc 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -29,6 +29,11 @@ include(FeatureSummary)
 
 include(GNUInstallDirs)
 
+# Enable IN_LIST in older CMake
+if (POLICY CMP0057)
+  cmake_policy(SET CMP0057 NEW)
+endif()
+
 ################ WINDOWS ##################
 # Set some compiler options for Windows
 # required for libopenshot-audio headers