From ed000d7d30434c8cc0be50c8aa19d7ee12e2101b Mon Sep 17 00:00:00 2001
From: Patrick Stewart <patstew@gmail.com>
Date: Thu, 15 Feb 2018 14:30:34 +0000
Subject: Ninja: Don't add custom command outputs to phony rule for CMake
 inputs

---
 Source/cmGlobalNinjaGenerator.cxx | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index b251f86..8410609 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -1384,8 +1384,14 @@ void cmGlobalNinjaGenerator::WriteTargetRebuildManifest(std::ostream& os)
                    /*explicitDeps=*/cmNinjaDeps(), implicitDeps,
                    /*orderOnlyDeps=*/cmNinjaDeps(), variables);
 
+  cmNinjaDeps missingInputs;
+  std::set_difference(std::make_move_iterator(implicitDeps.begin()),
+                      std::make_move_iterator(implicitDeps.end()),
+                      CustomCommandOutputs.begin(), CustomCommandOutputs.end(),
+                      std::back_inserter(missingInputs));
+
   this->WritePhonyBuild(os, "A missing CMake input file is not an error.",
-                        implicitDeps, cmNinjaDeps());
+                        missingInputs, cmNinjaDeps());
 }
 
 std::string cmGlobalNinjaGenerator::ninjaCmd() const
-- 
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