From 6079b3847eefe6ecd9fe6cdb71682cd19d4985e2 Mon Sep 17 00:00:00 2001
From: Laurent Rineau <laurent.rineau@cgal.org>
Date: Fri, 13 Jul 2018 11:24:50 +0200
Subject: [PATCH] Set CMP0077 to OLD (new in CMake-3.13)

---
 Installation/cmake/modules/CGAL_TweakFindBoost.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Installation/cmake/modules/CGAL_TweakFindBoost.cmake b/Installation/cmake/modules/CGAL_TweakFindBoost.cmake
index a27ff2d960b..457f84f342d 100644
--- a/Installation/cmake/modules/CGAL_TweakFindBoost.cmake
+++ b/Installation/cmake/modules/CGAL_TweakFindBoost.cmake
@@ -25,6 +25,9 @@
 # Boost versions, even if the file FindBoost.cmake is old.
 
 if( NOT CGAL_TweakFindBoost )
+  if(POLICY CMP0077)
+    cmake_policy(SET CMP0077 OLD)
+  endif()
   if(DEFINED CGAL_Boost_USE_STATIC_LIBS)
     # If the option is loaded from CGALConfig.h, use its value as default
     # value.  But the user will still have the choice to change the