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 108