QAnimationCallback: De-inline dtor of polymorphic class

... fixing Clang -Wweak-vtables warnings, which we'll soon add to
headersclean.

Task-number: QTBUG-45582
Change-Id: Iead4123af1d68db2cba842bd6f07419c219f0b73
Reviewed-by: Mike Krus <mike.krus@kdab.com>
(cherry picked from commit 42f6556fd2f03724e60504648c2af5ea6db3a7c5)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

3 files changed, 53 insertions, 2 deletions

diff --git a/src/animation/CMakeLists.txt b/src/animation/CMakeLists.txt
index f4a105e2f..4a8a13310 100644
--- a/src/animation/CMakeLists.txt
+++ b/src/animation/CMakeLists.txt
@@ -43,7 +43,7 @@ qt_internal_add_module(3DAnimation
         frontend/qabstractclipblendnode.cpp frontend/qabstractclipblendnode.h frontend/qabstractclipblendnode_p.h
         frontend/qadditiveclipblend.cpp frontend/qadditiveclipblend.h frontend/qadditiveclipblend_p.h
         frontend/qanimationaspect.cpp frontend/qanimationaspect.h frontend/qanimationaspect_p.h
-        frontend/qanimationcallback.h
+        frontend/qanimationcallback.cpp frontend/qanimationcallback.h
         frontend/qanimationclip.cpp frontend/qanimationclip.h frontend/qanimationclip_p.h
         frontend/qanimationclipdata.cpp frontend/qanimationclipdata.h
         frontend/qanimationcliploader.cpp frontend/qanimationcliploader.h frontend/qanimationcliploader_p.h
diff --git a/src/animation/frontend/qanimationcallback.cpp b/src/animation/frontend/qanimationcallback.cpp
new file mode 100644
index 000000000..e24cccd2d
--- /dev/null
+++ b/src/animation/frontend/qanimationcallback.cpp
@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <Qt3DAnimation/qanimationcallback.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DAnimation {
+
+QAnimationCallback::~QAnimationCallback()
+    = default;
+
+} // namespace Qt3DAnimation
+
+QT_END_NAMESPACE
diff --git a/src/animation/frontend/qanimationcallback.h b/src/animation/frontend/qanimationcallback.h
index 89547699b..295bcc533 100644
--- a/src/animation/frontend/qanimationcallback.h
+++ b/src/animation/frontend/qanimationcallback.h
@@ -56,7 +56,7 @@ public:
     };
     Q_DECLARE_FLAGS(Flags, Flag)
 
-    virtual ~QAnimationCallback() { }
+    virtual ~QAnimationCallback();
 
     virtual void valueChanged(const QVariant &value) = 0;
 };