From fa9a72a788ee5b1d8f1aa6dd7d19db3e118b8939 Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Mon, 11 Dec 2023 07:53:13 -0500
Subject: cmLocalGenerator: disable C++ module scanning for copied PCH sources

---
 Source/cmLocalGenerator.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index caac535..a3003bd 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -2928,6 +2928,7 @@ void cmLocalGenerator::CopyPchCompilePdb(
   } else {
     cc->SetOutputs(outputs);
     cmSourceFile* copy_rule = this->AddCustomCommandToOutput(std::move(cc));
+    copy_rule->SetProperty("CXX_SCAN_FOR_MODULES", "0");
 
     if (copy_rule) {
       target->AddSource(copy_rule->ResolveFullPath());
-- 
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