From 60a8736378bbef58688c8a3dbfb2d0bce6aa1b6b Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Tue, 13 Feb 2024 12:17:15 -0500
Subject: cmNinjaTargetGenerator: scanning depends on the module metadata

Fixes: #25531
---
 Source/cmNinjaTargetGenerator.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Source/cmNinjaTargetGenerator.cxx b/Source/cmNinjaTargetGenerator.cxx
index 8ae4cd4..9c75cd6 100644
--- a/Source/cmNinjaTargetGenerator.cxx
+++ b/Source/cmNinjaTargetGenerator.cxx
@@ -1195,6 +1195,8 @@ void cmNinjaTargetGenerator::WriteObjectBuildStatements(
                this->LocalGenerator->GetTargetDirectory(this->GeneratorTarget),
                this->GetGlobalGenerator()->ConfigDirectory(config), '/',
                language, "Modules.json"));
+    build.ImplicitDeps.emplace_back(
+      this->GetTargetDependInfoPath(language, config));
     for (auto const& scanFiles : scanningFiles) {
       if (!scanFiles.ScanningOutput.empty()) {
         build.ExplicitDeps.push_back(scanFiles.ScanningOutput);
-- 
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