From d3849f9de16fc9673c3fb5f0fd2f2113de8b23ce Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Mon, 16 Jun 2025 20:58:58 +0200
Subject: [PATCH] cmLocalGenerator: add a useful comment for the PDB copying
 command

---
 Source/cmLocalGenerator.cxx | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 07e6f340d3..dd0d7c14ff 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -2981,7 +2981,10 @@ void cmLocalGenerator::CopyPchCompilePdb(
       configGenex(cmStrCat("-DPDB_PREFIX=", pdb_prefix)), configGenex("-P"),
       configGenex(copy_script) });
 
-  char const* no_message = "";
+  auto const comment =
+    cmStrCat("Copying PDB for PCH reuse from ", reuseTarget->GetName(),
+             " for ", target->GetName());
+  ;
 
   std::vector<std::string> outputs;
   outputs.push_back(configGenex(
@@ -2989,7 +2992,7 @@ void cmLocalGenerator::CopyPchCompilePdb(
 
   auto cc = cm::make_unique<cmCustomCommand>();
   cc->SetCommandLines(commandLines);
-  cc->SetComment(no_message);
+  cc->SetComment(comment.c_str());
   cc->SetStdPipesUTF8(true);
   cc->AppendDepends({ reuseTarget->GetPchFile(config, language) });