From b554caf75331ef8f185cdd8c7e7b5672acd8e6d7 Mon Sep 17 00:00:00 2001
From: Kevin Puetz <PuetzKevinA@JohnDeere.com>
Date: Fri, 28 Apr 2017 11:13:06 -0500
Subject: Ninja: List compile_commands.json as generated by CMake

This fixes a false-positive `CMP0058` warning if any custom rules depend
on `compile_commands.json` (e.g. to trigger rerunning clang-tooling
utilities).

Fixes: #16444
---
 Source/cmGlobalNinjaGenerator.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index d9a8cab..88fcb12 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -898,6 +898,10 @@ void cmGlobalNinjaGenerator::AddCXXCompileCommand(
     this->GetCMakeInstance()->GetHomeOutputDirectory();
   if (!this->CompileCommandsStream) {
     std::string buildFilePath = buildFileDir + "/compile_commands.json";
+    if (this->ComputingUnknownDependencies) {
+      this->CombinedBuildOutputs.insert(
+        this->NinjaOutputPath("compile_commands.json"));
+    }
 
     // Get a stream where to generate things.
     this->CompileCommandsStream =
-- 
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