From ddffbb8adbfb12ecc2ab920434006a40bfeae326 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 26 May 2021 10:37:03 -0400
Subject: cmMakefile: Register explicit object sources more efficiently

`AddTargetObject` knows the location of object files.
---
 Source/cmMakefile.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index ffe94ba..908b3f0 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -3454,7 +3454,8 @@ void cmMakefile::CreateGeneratedOutputs(
 void cmMakefile::AddTargetObject(std::string const& tgtName,
                                  std::string const& objFile)
 {
-  cmSourceFile* sf = this->GetOrCreateSource(objFile, true);
+  cmSourceFile* sf =
+    this->GetOrCreateSource(objFile, true, cmSourceFileLocationKind::Known);
   sf->SetObjectLibrary(tgtName);
   sf->SetProperty("EXTERNAL_OBJECT", "1");
 #if !defined(CMAKE_BOOTSTRAP)
-- 
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