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minimum-linux_p.h
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minimum-linux_p.h
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/****************************************************************************
**
** Copyright (C) 2017 Intel Corporation.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MINIMUMLINUX_P_H
#define MINIMUMLINUX_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
// EXTRA WARNING
// -------------
//
// This file must also be valid assembler source.
//
#include "private/qglobal_p.h"
QT_BEGIN_NAMESPACE
/* Minimum Linux kernel version:
* We require the following features in Qt (unconditional, no fallback):
* Feature Added in version Macro
* - inotify_init1 before 2.6.12-rc12
* - futex(2) before 2.6.12-rc12
* - FUTEX_WAKE_OP 2.6.14 FUTEX_OP
* - linkat(2) 2.6.17 O_TMPFILE
* - FUTEX_PRIVATE_FLAG 2.6.22
* - O_CLOEXEC 2.6.23
* - eventfd 2.6.23
* - pipe2 & dup3 2.6.27
* - accept4 2.6.28
* - renameat2 3.16 QT_CONFIG(renameat2)
* - getrandom 3.17 QT_CONFIG(getentropy)
*/
#if QT_CONFIG(getentropy)
# define MINLINUX_MAJOR 3
# define MINLINUX_MINOR 17
# define MINLINUX_PATCH 0
#elif QT_CONFIG(renameat2)
# define MINLINUX_MAJOR 3
# define MINLINUX_MINOR 16
# define MINLINUX_PATCH 0
#else
# define MINLINUX_MAJOR 2
# define MINLINUX_MINOR 6
# define MINLINUX_PATCH 28
#endif
#define MINIMUM_LINUX_VERSION QT_VERSION_CHECK(MINLINUX_MAJOR, MINLINUX_MINOR, MINLINUX_PATCH)
QT_END_NAMESPACE
#endif // MINIMUMLINUX_P_H