From 1002763df3fafece19dcc6d2be29c949da67e2bf Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Tue, 12 Oct 2021 21:17:00 -0400
Subject: [PATCH] remove default class members except for the assignment copy
 constructor

---
 src/pointers.h | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/pointers.h b/src/pointers.h
index 55033aae3e..44820d06eb 100644
--- a/src/pointers.h
+++ b/src/pointers.h
@@ -23,14 +23,16 @@
 #define LMP_POINTERS_H
 
 #include "lmptype.h"    // IWYU pragma: export
+
 #include <mpi.h>        // IWYU pragma: export
 #include <cstddef>      // IWYU pragme: export
 #include <cstdio>       // IWYU pragma: export
 #include <string>       // IWYU pragma: export
-#include "lammps.h"     // IWYU pragma: export
-#include "utils.h"      // IWYU pragma: export
+
 #include "fmt/format.h" // IWYU pragma: export
+#include "lammps.h"     // IWYU pragma: export
 #include "platform.h"   // IWYU pragma: export
+#include "utils.h"      // IWYU pragma: export
 
 namespace LAMMPS_NS {
 
@@ -91,6 +93,14 @@ class Pointers {
     python(ptr->python) {}
   virtual ~Pointers() {}
 
+  // remove default members execept for the copy constructor
+
+  Pointers() = delete;
+  Pointers(const Pointers &) = default;
+  Pointers(Pointers &&) = delete;
+  Pointers & operator=(const Pointers&) = delete;
+  Pointers & operator=(Pointers&&) = delete;
+
  protected:
   LAMMPS *lmp;
   Memory *&memory;