From 216aa149974a179d49094e53f553741e2c385920 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 5 Jan 2022 12:35:49 -0500
Subject: cmGeneratorTarget: Return early from ExpandLinkItems with no items

---
 Source/cmGeneratorTarget.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/cmGeneratorTarget.cxx b/Source/cmGeneratorTarget.cxx
index d1c5819..f8fa593 100644
--- a/Source/cmGeneratorTarget.cxx
+++ b/Source/cmGeneratorTarget.cxx
@@ -6666,6 +6666,9 @@ void cmGeneratorTarget::ExpandLinkItems(std::string const& prop,
                                         LinkInterfaceFor interfaceFor,
                                         cmLinkInterface& iface) const
 {
+  if (entries.empty()) {
+    return;
+  }
   // Keep this logic in sync with ComputeLinkImplementationLibraries.
   cmGeneratorExpressionDAGChecker dagChecker(this, prop, nullptr, nullptr);
   // The $<LINK_ONLY> expression may be in a link interface to specify
-- 
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