From 1134b18cb9c65ea9473cbea40b44a736a9307525 Mon Sep 17 00:00:00 2001
From: Paul Romano <paul.k.romano@gmail.com>
Date: Tue, 3 Sep 2019 22:30:22 -0500
Subject: [PATCH] Set CMake policy CMP0079 when version >= 3.13

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8d6e622829..381f0cd7b7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -120,6 +120,11 @@ target_include_directories(pugixml PUBLIC vendor/pugixml/)
 # xtensor header-only library
 #===============================================================================
 
+# CMake 3.13+ will complain about policy CMP0079 unless it is set explicitly
+if (NOT (CMAKE_VERSION VERSION_LESS 3.13))
+  cmake_policy(SET CMP0079 NEW)
+endif()
+
 add_subdirectory(vendor/xtl)
 add_subdirectory(vendor/xtensor)
 target_link_libraries(xtensor INTERFACE xtl)