From d3625b72834ab63a2c946c75f7949aaffaf9427c Mon Sep 17 00:00:00 2001
From: Nils Gladitz <nilsgladitz@gmail.com>
Date: Mon, 9 Nov 2015 17:50:21 +0100
Subject: CPackWIX: Don't allow users to deselect the top-level feature
 (#15838)

The top-level WiX feature implicitly created by the WIX generator
represents the package as a whole.

As such it does not make sense to allow installer users to deselect
it from the installation.

Suggested-by: Mark Stijnman
---
 Source/CPack/WiX/cmCPackWIXGenerator.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Source/CPack/WiX/cmCPackWIXGenerator.cxx b/Source/CPack/WiX/cmCPackWIXGenerator.cxx
index 6f25e50..d5246db 100644
--- a/Source/CPack/WiX/cmCPackWIXGenerator.cxx
+++ b/Source/CPack/WiX/cmCPackWIXGenerator.cxx
@@ -482,6 +482,7 @@ bool cmCPackWIXGenerator::CreateWiXSourceFiles()
   featureDefinitions.BeginElement("Feature");
   featureDefinitions.AddAttribute("Id", "ProductFeature");
   featureDefinitions.AddAttribute("Display", "expand");
+  featureDefinitions.AddAttribute("Absent", "disallow");
   featureDefinitions.AddAttribute("ConfigurableDirectory", "INSTALL_ROOT");
 
   std::string cpackPackageName;
-- 
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