From b5460f99315f8e6a6bdc985ebc0ca18dd8a294a8 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 23 Jul 2019 09:52:33 -0400
Subject: cmLinkItem: Expose HadHeadSensitiveCondition in
 cmLinkInterfaceLibraries

Clients may be able to avoid repeating work if they know the transitive
link interface libraries do not depend on what is linking them.
---
 Source/cmLinkItem.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Source/cmLinkItem.h b/Source/cmLinkItem.h
index 5b635b5..6450c62 100644
--- a/Source/cmLinkItem.h
+++ b/Source/cmLinkItem.h
@@ -58,6 +58,9 @@ struct cmLinkInterfaceLibraries
 {
   // Libraries listed in the interface.
   std::vector<cmLinkItem> Libraries;
+
+  // Whether the list depends on a genex referencing the head target.
+  bool HadHeadSensitiveCondition = false;
 };
 
 struct cmLinkInterface : public cmLinkInterfaceLibraries
@@ -84,7 +87,6 @@ struct cmOptionalLinkInterface : public cmLinkInterface
   bool LibrariesDone = false;
   bool AllDone = false;
   bool Exists = false;
-  bool HadHeadSensitiveCondition = false;
   const char* ExplicitLibraries = nullptr;
 };
 
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