1 files changed, 5 insertions, 1 deletions
diff --git a/Source/cmSourceFile.h b/Source/cmSourceFile.h
index 9308af4..3f070a7 100644
--- a/Source/cmSourceFile.h
+++ b/Source/cmSourceFile.h
@@ -4,6 +4,7 @@
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
+#include <cstddef>
 #include <memory>
 #include <string>
 #include <vector>
@@ -41,8 +42,11 @@ public:
   void SetCustomCommand(std::unique_ptr<cmCustomCommand> cc);
 
   //! Set/Get a property of this source file
-  void SetProperty(const std::string& prop, const char* value);
   void SetProperty(const std::string& prop, cmValue value);
+  void SetProperty(const std::string& prop, std::nullptr_t)
+  {
+    this->SetProperty(prop, cmValue{ nullptr });
+  }
   void SetProperty(const std::string& prop, const std::string& value)
   {
     this->SetProperty(prop, cmValue(value));