From 9f64974f5eff103ceda107c362c66c2adc1997ba Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Fri, 26 Oct 2018 09:14:44 -0400
Subject: cmTargetPropCommandBase: skip property setting if there's nothing to
 add

Some target types don't allow setting certain properties even if there
is no value being set there. Guard against this by avoiding property
setting when there is nothing to add.
---
 Source/cmTargetPropCommandBase.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/cmTargetPropCommandBase.cxx b/Source/cmTargetPropCommandBase.cxx
index 9a8fd96..cd82299 100644
--- a/Source/cmTargetPropCommandBase.cxx
+++ b/Source/cmTargetPropCommandBase.cxx
@@ -112,6 +112,9 @@ bool cmTargetPropCommandBase::PopulateTargetProperies(
   const std::string& scope, const std::vector<std::string>& content,
   bool prepend, bool system)
 {
+  if (content.empty()) {
+    return true;
+  }
   if (scope == "PRIVATE" || scope == "PUBLIC") {
     if (!this->HandleDirectContent(this->Target, content, prepend, system)) {
       return false;
-- 
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