1 files changed, 3 insertions, 1 deletions
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index b1d5751..851e77f 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -410,11 +410,13 @@ public:
       original environment. */
   class SaveRestoreEnvironment
   {
-    CM_DISABLE_COPY(SaveRestoreEnvironment)
   public:
     SaveRestoreEnvironment();
     ~SaveRestoreEnvironment();
 
+    SaveRestoreEnvironment(SaveRestoreEnvironment const&) = delete;
+    SaveRestoreEnvironment& operator=(SaveRestoreEnvironment const&) = delete;
+
   private:
     std::vector<std::string> Env;
   };