commit 36fc3a1e84c35a3085a65920423db963cd16195e
author Brad King <brad.king@kitware.com> Thu Jul 23 12:59:14 2020 -0400
committer Brad King <brad.king@kitware.com> Thu Jul 23 13:00:42 2020 -0400
tree 1f423feb446a188fa85271f58f86ccb7bd0d34ac
parent d421274e3e11a0e6480358faa8a8e5cf48d7b3c2

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

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 @@
   if (this->XcodeVersion >= 100) {
     xout.Element("key", "BuildSystemType");
     xout.Element("string", "Original");
+    xout.Element("key", "DisableBuildSystemDeprecationWarning");
+    xout.Element("true");
   }
   if (hasGeneratedSchemes) {
     xout.Element("key",