From e2c6a54b076ad6050b38569a494bc1d82f0376e9 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Fri, 21 Jun 2024 09:05:43 -0400
Subject: cmGlobalNinjaGenerator: De-duplicate CMAKE_CONFIGURATION_TYPES lookup

---
 Source/cmGlobalNinjaGenerator.cxx | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index 4e6f164..73bfb85 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -3226,11 +3226,9 @@ void cmGlobalNinjaMultiGenerator::GetQtAutoGenConfigs(
 
 bool cmGlobalNinjaMultiGenerator::InspectConfigTypeVariables()
 {
-  cmList configsList{ this->Makefiles.front()->GetDefinition(
-    "CMAKE_CONFIGURATION_TYPES") };
-  if (configsList.empty()) {
-    configsList.emplace_back();
-  }
+  std::vector<std::string> configsList =
+    this->Makefiles.front()->GetGeneratorConfigs(
+      cmMakefile::IncludeEmptyConfig);
   std::set<std::string> configs(configsList.cbegin(), configsList.cend());
 
   this->DefaultFileConfig =
-- 
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