From b64226f2b4ecee71a471825f55db794e99320f36 Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Fri, 8 Aug 2025 22:39:31 -0400
Subject: [PATCH] cmGeneratorTarget: only apply short object names when
 necessary

When there is no PCH extension, there is no source file necessary as the
source is not compiled at all.
---
 Source/cmGeneratorTarget.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/cmGeneratorTarget.cxx b/Source/cmGeneratorTarget.cxx
index dc2bc833fb..0e09644eab 100644
--- a/Source/cmGeneratorTarget.cxx
+++ b/Source/cmGeneratorTarget.cxx
@@ -3183,7 +3183,7 @@ std::string cmGeneratorTarget::GetPchFile(std::string const& config,
         pchFile = replaceExtension(pchFileObject, pchExtension);
       }
     } else {
-      if (this->GetUseShortObjectNames()) {
+      if (this->GetUseShortObjectNames() && !pchExtension.empty()) {
         auto pchSource = this->GetPchSource(config, language, arch);
         auto* pchSf = this->Makefile->GetOrCreateSource(
           pchSource, false, cmSourceFileLocationKind::Known);