From 36fc3a1e84c35a3085a65920423db963cd16195e Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 23 Jul 2020 12:59:14 -0400
Subject: Xcode: Suppress legacy build system deprecation warning

Xcode 12 beta 3 now warns about using the legacy build system.
Since generation of the build system is CMake's responsibility,
the warning is not relevant to our users.  Suppress it.

Issue: #18088
---
 Source/cmGlobalXCodeGenerator.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Source/cmGlobalXCodeGenerator.cxx b/Source/cmGlobalXCodeGenerator.cxx
index a5ce5d1..ad06e81 100644
--- a/Source/cmGlobalXCodeGenerator.cxx
+++ b/Source/cmGlobalXCodeGenerator.cxx
@@ -3466,6 +3466,8 @@ void cmGlobalXCodeGenerator::OutputXCodeWorkspaceSettings(
   if (this->XcodeVersion >= 100) {
     xout.Element("key", "BuildSystemType");
     xout.Element("string", "Original");
+    xout.Element("key", "DisableBuildSystemDeprecationWarning");
+    xout.Element("true");
   }
   if (hasGeneratedSchemes) {
     xout.Element("key",
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