From 18e42d3e63f7807495be8fc4c2159629a30c1144 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 26 May 2021 10:36:07 -0400
Subject: cmGeneratorExpressionNode: Constify local variable

---
 Source/cmGeneratorExpressionNode.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/cmGeneratorExpressionNode.cxx b/Source/cmGeneratorExpressionNode.cxx
index 7125170..8030b64 100644
--- a/Source/cmGeneratorExpressionNode.cxx
+++ b/Source/cmGeneratorExpressionNode.cxx
@@ -1681,7 +1681,7 @@ static const struct TargetObjectsNode : public cmGeneratorExpressionNode
 
     // Create the cmSourceFile instances in the referencing directory.
     cmMakefile* mf = context->LG->GetMakefile();
-    for (std::string& o : objects) {
+    for (std::string const& o : objects) {
       mf->AddTargetObject(tgtName, o);
     }
 
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