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| 1 | +/**************************************************************************** |
| 2 | +** |
| 3 | +** Copyright (C) 2017 Intel Corporation. |
| 4 | +** Contact: https://www.qt.io/licensing/ |
| 5 | +** |
| 6 | +** This file is part of the QtCore module of the Qt Toolkit. |
| 7 | +** |
| 8 | +** $QT_BEGIN_LICENSE:LGPL$ |
| 9 | +** Commercial License Usage |
| 10 | +** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | +** accordance with the commercial license agreement provided with the |
| 12 | +** Software or, alternatively, in accordance with the terms contained in |
| 13 | +** a written agreement between you and The Qt Company. For licensing terms |
| 14 | +** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | +** information use the contact form at https://www.qt.io/contact-us. |
| 16 | +** |
| 17 | +** GNU Lesser General Public License Usage |
| 18 | +** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | +** General Public License version 3 as published by the Free Software |
| 20 | +** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| 21 | +** packaging of this file. Please review the following information to |
| 22 | +** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | +** |
| 25 | +** GNU General Public License Usage |
| 26 | +** Alternatively, this file may be used under the terms of the GNU |
| 27 | +** General Public License version 2.0 or (at your option) the GNU General |
| 28 | +** Public license version 3 or any later version approved by the KDE Free |
| 29 | +** Qt Foundation. The licenses are as published by the Free Software |
| 30 | +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| 31 | +** included in the packaging of this file. Please review the following |
| 32 | +** information to ensure the GNU General Public License requirements will |
| 33 | +** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| 34 | +** https://www.gnu.org/licenses/gpl-3.0.html. |
| 35 | +** |
| 36 | +** $QT_END_LICENSE$ |
| 37 | +** |
| 38 | +****************************************************************************/ |
| 39 | + |
| 40 | +#ifndef MINIMUMLINUX_P_H |
| 41 | +#define MINIMUMLINUX_P_H |
| 42 | + |
| 43 | +// |
| 44 | +// W A R N I N G |
| 45 | +// ------------- |
| 46 | +// |
| 47 | +// This file is not part of the Qt API. It exists purely as an |
| 48 | +// implementation detail. This header file may change from version to |
| 49 | +// version without notice, or even be removed. |
| 50 | +// |
| 51 | +// We mean it. |
| 52 | +// |
| 53 | + |
| 54 | +// EXTRA WARNING |
| 55 | +// ------------- |
| 56 | +// |
| 57 | +// This file must also be valid assembler source. |
| 58 | +// |
| 59 | + |
| 60 | +#include "private/qglobal_p.h" |
| 61 | + |
| 62 | +QT_BEGIN_NAMESPACE |
| 63 | + |
| 64 | +/* Minimum Linux kernel version: |
| 65 | + * We require the following features in Qt (unconditional, no fallback): |
| 66 | + * Feature Added in version Macro |
| 67 | + * - inotify_init1 before 2.6.12-rc12 |
| 68 | + * - futex(2) before 2.6.12-rc12 |
| 69 | + * - FUTEX_WAKE_OP 2.6.14 FUTEX_OP |
| 70 | + * - linkat(2) 2.6.17 O_TMPFILE && QT_CONFIG(linkat) |
| 71 | + * - FUTEX_PRIVATE_FLAG 2.6.22 |
| 72 | + * - O_CLOEXEC 2.6.23 |
| 73 | + * - eventfd 2.6.23 |
| 74 | + * - pipe2 & dup3 2.6.27 |
| 75 | + * - accept4 2.6.28 |
| 76 | + * - renameat2 3.16 QT_CONFIG(renameat2) |
| 77 | + * - getrandom 3.17 QT_CONFIG(getentropy) |
| 78 | + * - statx 4.11 QT_CONFIG(statx) |
| 79 | + */ |
| 80 | + |
| 81 | +#if QT_CONFIG(statx) && !QT_CONFIG(glibc) |
| 82 | +// if using glibc, the statx() function in sysdeps/unix/sysv/linux/statx.c |
| 83 | +// falls back to stat() for us. |
| 84 | +// (Using QT_CONFIG(glibc) instead of __GLIBC__ because the macros aren't |
| 85 | +// defined in assembler mode) |
| 86 | +# define MINLINUX_MAJOR 4 |
| 87 | +# define MINLINUX_MINOR 11 |
| 88 | +# define MINLINUX_PATCH 0 |
| 89 | +#elif QT_CONFIG(getentropy) |
| 90 | +# define MINLINUX_MAJOR 3 |
| 91 | +# define MINLINUX_MINOR 17 |
| 92 | +# define MINLINUX_PATCH 0 |
| 93 | +#elif QT_CONFIG(renameat2) |
| 94 | +# define MINLINUX_MAJOR 3 |
| 95 | +# define MINLINUX_MINOR 16 |
| 96 | +# define MINLINUX_PATCH 0 |
| 97 | +#else |
| 98 | +# define MINLINUX_MAJOR 2 |
| 99 | +# define MINLINUX_MINOR 6 |
| 100 | +# define MINLINUX_PATCH 28 |
| 101 | +#endif |
| 102 | + |
| 103 | +#define MINIMUM_LINUX_VERSION QT_VERSION_CHECK(MINLINUX_MAJOR, MINLINUX_MINOR, MINLINUX_PATCH) |
| 104 | + |
| 105 | +QT_END_NAMESPACE |
| 106 | + |
| 107 | +#endif // MINIMUMLINUX_P_H |
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