From 148ffbcdbdf294f03963069ee599716a2a488e04 Mon Sep 17 00:00:00 2001
From: Johnny Willemsen <jwillemsen@remedy.nl>
Date: Fri, 1 Dec 2023 08:40:11 +0100
Subject: [PATCH] Add non C++17 template, just for compilation purposes

    * tao/x11/optional_t.h:
---
 tao/x11/optional_t.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/tao/x11/optional_t.h b/tao/x11/optional_t.h
index 0dd8cde1..4ca6c07a 100644
--- a/tao/x11/optional_t.h
+++ b/tao/x11/optional_t.h
@@ -14,6 +14,8 @@
 #include <optional>
 #include "tao/x11/versioned_x11_namespace.h"
 
+#if defined (ACE_HAS_CPP17)
+
 namespace TAOX11_NAMESPACE
 {
   namespace IDL
@@ -23,4 +25,20 @@ namespace TAOX11_NAMESPACE
   } // namespace IDL
 } // namespace TAOX11_NAMESPACE
 
+#else
+
+namespace TAOX11_NAMESPACE
+{
+  namespace IDL
+  {
+    template<typename T>
+    class optional
+    {
+    public:
+      T value_;
+    };
+  }
+}
+#endif
+
 #endif // __IDL__OPTIONAL_T_H_INCLUDED__