From a2d38e2374606dfd83d2113dec90024a23e075b2 Mon Sep 17 00:00:00 2001
From: Fred Hornsey <hornseyf@objectcomputing.com>
Date: Thu, 9 Jan 2025 18:24:06 -0600
Subject: [PATCH] Use = default for skeleton copy constructor

But only when `ACE_HAS_CPP11` is defined. This is a sort of backport of
https://github.com/DOCGroup/ACE_TAO/pull/2309.
---
 TAO/TAO_IDL/be/be_visitor_interface/interface_ih.cpp | 7 ++++++-
 TAO/TAO_IDL/be/be_visitor_interface/interface_is.cpp | 6 ++++--
 TAO/TAO_IDL/be/be_visitor_interface/interface_sh.cpp | 6 +++++-
 TAO/TAO_IDL/be/be_visitor_interface/interface_ss.cpp | 8 +++++---
 4 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/TAO/TAO_IDL/be/be_visitor_interface/interface_ih.cpp b/TAO/TAO_IDL/be/be_visitor_interface/interface_ih.cpp
index b6de87989a591..ea6852f04192d 100644
--- a/TAO/TAO_IDL/be/be_visitor_interface/interface_ih.cpp
+++ b/TAO/TAO_IDL/be/be_visitor_interface/interface_ih.cpp
@@ -81,7 +81,12 @@ be_visitor_interface_ih::visit_interface (be_interface *node)
           << be_global->impl_class_prefix () << namebuf
           << be_global->impl_class_suffix () << " (const "
           << be_global->impl_class_prefix () << namebuf
-          << be_global->impl_class_suffix () << "&);" <<be_nl <<be_nl;
+          << be_global->impl_class_suffix () << "&)\n"
+          << "#ifdef ACE_HAS_CPP11" << be_idt_nl
+          << "= default\n"
+          << "#endif" << be_uidt_nl
+          << ";" << be_nl
+          << be_nl;
     }
 
   if (be_global->gen_assign_op ())
diff --git a/TAO/TAO_IDL/be/be_visitor_interface/interface_is.cpp b/TAO/TAO_IDL/be/be_visitor_interface/interface_is.cpp
index 689908bb22f25..5fd78c8ee9f2f 100644
--- a/TAO/TAO_IDL/be/be_visitor_interface/interface_is.cpp
+++ b/TAO/TAO_IDL/be/be_visitor_interface/interface_is.cpp
@@ -64,7 +64,8 @@ be_visitor_interface_is::visit_interface (be_interface *node)
 
   if (be_global->gen_copy_ctor () && !node->is_local ())
     {
-      *os << "//Implementation Skeleton Copy Constructor" << be_nl;
+      *os << "//Implementation Skeleton Copy Constructor\n"
+          << "#ifndef ACE_HAS_CPP11" << be_nl;
 
       *os << be_global->impl_class_prefix () << node->flat_name ()
           << be_global->impl_class_suffix () <<"::"
@@ -105,7 +106,8 @@ be_visitor_interface_is::visit_interface (be_interface *node)
 
       *os << be_uidt_nl
           << "{" << be_nl
-          << "}" << be_nl << be_uidt_nl;
+          << "}\n"
+          << "#endif" << be_nl << be_uidt_nl;
     }
 
   if (be_global->gen_assign_op ())
diff --git a/TAO/TAO_IDL/be/be_visitor_interface/interface_sh.cpp b/TAO/TAO_IDL/be/be_visitor_interface/interface_sh.cpp
index f3bb867bb5e4c..5011e9100b817 100644
--- a/TAO/TAO_IDL/be/be_visitor_interface/interface_sh.cpp
+++ b/TAO/TAO_IDL/be/be_visitor_interface/interface_sh.cpp
@@ -115,7 +115,11 @@ be_visitor_interface_sh::visit_interface (be_interface *node)
 
   // Copy constructor and destructor.
   *os << class_name.c_str () << " (const "
-      << class_name.c_str () << "& rhs);" << be_nl
+      << class_name.c_str () << "& rhs)\n"
+      << "#ifdef ACE_HAS_CPP11" << be_idt_nl
+      << "= default\n"
+      << "#endif" << be_uidt_nl
+      << ";" << be_nl
       << "virtual ~" << class_name.c_str () << " (void);" << be_nl_2;
 
   // _is_a
diff --git a/TAO/TAO_IDL/be/be_visitor_interface/interface_ss.cpp b/TAO/TAO_IDL/be/be_visitor_interface/interface_ss.cpp
index ea555e422910b..67b0de3b8a5cc 100644
--- a/TAO/TAO_IDL/be/be_visitor_interface/interface_ss.cpp
+++ b/TAO/TAO_IDL/be/be_visitor_interface/interface_ss.cpp
@@ -123,10 +123,11 @@ be_visitor_interface_ss::visit_interface (be_interface *node)
   *os << "{" << be_idt_nl
       << "this->optable_ = &tao_" << flat_name
       << "_optable;" << be_uidt_nl
-      << "}" << be_nl_2;
+      << "}\n\n";
 
   // find if we are at the top scope or inside some module
-  *os << full_skel_name << "::"
+  *os << "#ifndef ACE_HAS_CPP11" << be_nl
+      << full_skel_name << "::"
       << local_name_prefix << node_local_name << " ("
       << "const " << local_name_prefix
       << node_local_name << " &"
@@ -150,7 +151,8 @@ be_visitor_interface_ss::visit_interface (be_interface *node)
 
   *os << be_uidt_nl
       << "{" << be_nl
-      << "}" << be_nl_2;
+      << "}\n"
+      << "#endif" << be_nl_2;
 
   *os << full_skel_name << "::~"
       << local_name_prefix << node_local_name