From 5b1c24255f3ca2404134d2fd9270d2edc0801bdd Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Mon, 22 Nov 2021 14:48:36 -0500
Subject: Help: Suggest CMAKE_POLICY_DEFAULT_CMP0077 in CMP0077 docs

Issue: #20490
---
 Help/policy/CMP0077.rst | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Help/policy/CMP0077.rst b/Help/policy/CMP0077.rst
index d8744a9..482125a 100644
--- a/Help/policy/CMP0077.rst
+++ b/Help/policy/CMP0077.rst
@@ -53,6 +53,8 @@ between the two policies.
 This policy was introduced in CMake version 3.13.  CMake version
 |release| warns when the policy is not set and uses ``OLD`` behavior.
 Use the :command:`cmake_policy` command to set it to ``OLD`` or ``NEW``
-explicitly.
+explicitly within a project.  Use the :variable:`CMAKE_POLICY_DEFAULT_CMP0077
+<CMAKE_POLICY_DEFAULT_CMP\<NNNN\>>` variable to set the policy for
+a third-party project in a subdirectory without modifying it.
 
 .. include:: DEPRECATED.txt
-- 
cgit v0.12