From 8bac527b0c8ada5c40171cf01f673f9597ffdb90 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 18 May 2021 14:34:48 -0400
Subject: cmGlobalNinjaGenerator: Re-order logic in WriteCustomCommandBuild

Save explicit dependencies earlier.
---
 Source/cmGlobalNinjaGenerator.cxx | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index a1a17c3..f7b338f 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -319,6 +319,14 @@ void cmGlobalNinjaGenerator::WriteCustomCommandBuild(
 {
   this->AddCustomCommandRule();
 
+  if (this->ComputingUnknownDependencies) {
+    // we need to track every dependency that comes in, since we are trying
+    // to find dependencies that are side effects of build commands
+    for (std::string const& dep : explicitDeps) {
+      this->CombinedCustomCommandExplicitDependencies.insert(dep);
+    }
+  }
+
   {
     cmNinjaBuild build("CUSTOM_COMMAND");
     build.Comment = comment;
@@ -354,14 +362,6 @@ void cmGlobalNinjaGenerator::WriteCustomCommandBuild(
       this->WriteBuild(*this->GetImplFileStream(config), build);
     }
   }
-
-  if (this->ComputingUnknownDependencies) {
-    // we need to track every dependency that comes in, since we are trying
-    // to find dependencies that are side effects of build commands
-    for (std::string const& dep : explicitDeps) {
-      this->CombinedCustomCommandExplicitDependencies.insert(dep);
-    }
-  }
 }
 
 void cmGlobalNinjaGenerator::AddMacOSXContentRule()
-- 
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