From 82a174182aa276658911fe2b12613b1e8c6663a9 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 13 Feb 2024 15:15:34 -0500
Subject: cmVisualStudioGeneratorOptions: Add UsingDebugRuntime method

---
 Source/cmVisualStudioGeneratorOptions.cxx | 9 +++++++++
 Source/cmVisualStudioGeneratorOptions.h   | 3 +++
 2 files changed, 12 insertions(+)

diff --git a/Source/cmVisualStudioGeneratorOptions.cxx b/Source/cmVisualStudioGeneratorOptions.cxx
index 8b803a9..659510c 100644
--- a/Source/cmVisualStudioGeneratorOptions.cxx
+++ b/Source/cmVisualStudioGeneratorOptions.cxx
@@ -124,6 +124,15 @@ bool cmVisualStudioGeneratorOptions::UsingDebugInfo() const
   return false;
 }
 
+cm::optional<bool> cmVisualStudioGeneratorOptions::UsingDebugRuntime() const
+{
+  cm::optional<bool> result;
+  if (const char* rtl = this->GetFlag("RuntimeLibrary")) {
+    result = strstr(rtl, "Debug") != nullptr;
+  }
+  return result;
+}
+
 bool cmVisualStudioGeneratorOptions::IsWinRt() const
 {
   return this->FlagMap.find("CompileAsWinRT") != this->FlagMap.end();
diff --git a/Source/cmVisualStudioGeneratorOptions.h b/Source/cmVisualStudioGeneratorOptions.h
index d045929..1ca569d 100644
--- a/Source/cmVisualStudioGeneratorOptions.h
+++ b/Source/cmVisualStudioGeneratorOptions.h
@@ -7,6 +7,8 @@
 #include <iosfwd>
 #include <string>
 
+#include <cm/optional>
+
 #include "cmGlobalVisualStudioGenerator.h"
 #include "cmIDEFlagTable.h"
 #include "cmIDEOptions.h"
@@ -66,6 +68,7 @@ public:
   void FixManifestUACFlags();
 
   bool UsingDebugInfo() const;
+  cm::optional<bool> UsingDebugRuntime() const;
   bool IsWinRt() const;
   bool IsManaged() const;
   // Write options to output.
-- 
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