3c12ab974f
Change-Id: If07055286496c507310c0dbb3a06f1a42d643596 Reviewed-by: Alexey Edelev <alexey.edelev@qt.io> Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
333 lines
13 KiB
C++
333 lines
13 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2021 The Qt Company Ltd.
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** Copyright (C) 2016 Intel Corporation.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qmakelibraryinfo.h"
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#include <qdir.h>
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#include <qfile.h>
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#include <qglobalstatic.h>
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#include <qsettings.h>
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#include <qscopedpointer.h>
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#include <qstringlist.h>
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#include <qmakeconfig.cpp>
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QT_BEGIN_NAMESPACE
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QString QMakeLibraryInfo::binaryAbsLocation;
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QString QMakeLibraryInfo::qtconfManualPath;
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struct QMakeLibrarySettings
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{
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QMakeLibrarySettings() { load(); }
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void load();
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QScopedPointer<QSettings> settings;
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bool haveDevicePaths;
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bool haveEffectiveSourcePaths;
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bool haveEffectivePaths;
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bool havePaths;
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bool reloadOnQAppAvailable;
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};
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Q_GLOBAL_STATIC(QMakeLibrarySettings, qmake_library_settings)
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QSettings *QMakeLibraryInfo::findConfiguration()
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{
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QString qtconfig = libraryInfoFile();
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if (!qtconfig.isEmpty())
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return new QSettings(qtconfig, QSettings::IniFormat);
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return nullptr; // no luck
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}
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QSettings *QMakeLibraryInfo::configuration()
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{
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QMakeLibrarySettings *ls = qmake_library_settings();
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return ls ? ls->settings.data() : nullptr;
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}
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void QMakeLibraryInfo::reload()
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{
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if (qmake_library_settings.exists())
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qmake_library_settings->load();
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}
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bool QMakeLibraryInfo::haveGroup(PathGroup group)
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{
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QMakeLibrarySettings *ls = qmake_library_settings();
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return ls
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&& (group == EffectiveSourcePaths ? ls->haveEffectiveSourcePaths
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: group == EffectivePaths ? ls->haveEffectivePaths
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: group == DevicePaths ? ls->haveDevicePaths
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: ls->havePaths);
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}
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void QMakeLibrarySettings::load()
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{
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settings.reset(QMakeLibraryInfo::findConfiguration());
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if (settings) {
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QStringList children = settings->childGroups();
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haveDevicePaths = children.contains(QLatin1String("DevicePaths"));
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haveEffectiveSourcePaths = children.contains(QLatin1String("EffectiveSourcePaths"));
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haveEffectivePaths =
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haveEffectiveSourcePaths || children.contains(QLatin1String("EffectivePaths"));
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// Backwards compat: an existing but empty file is claimed to contain the Paths section.
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havePaths = (!haveDevicePaths && !haveEffectivePaths
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&& !children.contains(QLatin1String("Platforms")))
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|| children.contains(QLatin1String("Paths"));
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} else {
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haveDevicePaths = false;
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haveEffectiveSourcePaths = false;
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haveEffectivePaths = false;
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havePaths = false;
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}
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}
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void QMakeLibraryInfo::sysrootify(QString &path)
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{
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// Acceptable values for SysrootifyPrefixPath are "true" and "false"
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if (!QVariant::fromValue(rawLocation(SysrootifyPrefixPath, FinalPaths)).toBool())
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return;
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const QString sysroot = rawLocation(SysrootPath, FinalPaths);
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if (sysroot.isEmpty())
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return;
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if (path.length() > 2 && path.at(1) == QLatin1Char(':')
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&& (path.at(2) == QLatin1Char('/') || path.at(2) == QLatin1Char('\\'))) {
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path.replace(0, 2, sysroot); // Strip out the drive on Windows targets
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} else {
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path.prepend(sysroot);
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}
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}
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QString QMakeLibraryInfo::path(int loc)
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{
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QString ret = rawLocation(loc, QMakeLibraryInfo::FinalPaths);
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// Automatically prepend the sysroot to target paths
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if (loc < QMakeLibraryInfo::FirstHostPath || loc > QMakeLibraryInfo::LastHostPath)
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sysrootify(ret);
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return ret;
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}
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struct LocationInfo
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{
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QString key;
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QString defaultValue;
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};
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static LocationInfo defaultLocationInfo(int loc)
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{
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LocationInfo result;
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if (loc == QMakeLibraryInfo::SysrootPath) {
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result.key = QStringLiteral("Sysroot");
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} else if (loc == QMakeLibraryInfo::SysrootifyPrefixPath) {
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result.key = QStringLiteral("SysrootifyPrefix");
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} else if (loc == QMakeLibraryInfo::TargetSpecPath) {
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result.key = QStringLiteral("TargetSpec");
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} else if (loc == QMakeLibraryInfo::HostSpecPath) {
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result.key = QStringLiteral("HostSpec");
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} else if (unsigned(loc) < sizeof(qtConfEntries) / sizeof(qtConfEntries[0])) {
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result.key = QLatin1String(qtConfEntries[loc].key);
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result.defaultValue = QLatin1String(qtConfEntries[loc].value);
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}
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#ifndef Q_OS_WIN // On Windows we use the registry
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else if (loc == QLibraryInfo::SettingsPath) {
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result.key = QLatin1String("Settings");
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result.defaultValue = QLatin1String(".");
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}
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#endif
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return result;
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}
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static QString storedPath(int loc)
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{
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QString result;
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// "volatile" here is a hack to prevent compilers from doing a
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// compile-time strlen() on "path". The issue is that Qt installers
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// will binary-patch the Qt installation paths -- in such scenarios, Qt
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// will be built with a dummy path, thus the compile-time result of
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// strlen is meaningless.
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const char *volatile path = nullptr;
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if (loc == QLibraryInfo::PrefixPath || loc == QMakeLibraryInfo::HostPrefixPath) {
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result = QLibraryInfo::path(QLibraryInfo::PrefixPath);
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} else if (loc == QMakeLibraryInfo::SysrootPath) {
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// empty result
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} else if (loc == QMakeLibraryInfo::SysrootifyPrefixPath) {
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result = QStringLiteral("false");
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} else if (loc == QMakeLibraryInfo::TargetSpecPath) {
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result = QT_TARGET_MKSPEC;
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} else if (loc == QMakeLibraryInfo::HostSpecPath) {
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result = QT_HOST_MKSPEC;
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} else if (unsigned(loc)
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<= sizeof(qt_configure_str_offsets) / sizeof(qt_configure_str_offsets[0])) {
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path = qt_configure_strs + qt_configure_str_offsets[loc - 1];
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#ifndef Q_OS_WIN // On Windows we use the registry
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} else if (loc == QLibraryInfo::SettingsPath) {
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path = QT_CONFIGURE_SETTINGS_PATH;
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#endif
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}
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if (path)
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result = QString::fromLocal8Bit(path);
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return result;
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}
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QString QMakeLibraryInfo::rawLocation(int loc, QMakeLibraryInfo::PathGroup group)
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{
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QString ret;
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bool fromConf = false;
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// Logic for choosing the right data source: if EffectivePaths are requested
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// and qt.conf with that section is present, use it, otherwise fall back to
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// FinalPaths. For FinalPaths, use qt.conf if present and contains not only
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// [EffectivePaths], otherwise fall back to builtins.
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// EffectiveSourcePaths falls back to EffectivePaths.
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// DevicePaths falls back to FinalPaths.
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PathGroup orig_group = group;
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if (QMakeLibraryInfo::haveGroup(group)
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|| (group == EffectiveSourcePaths
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&& (group = EffectivePaths, QMakeLibraryInfo::haveGroup(group)))
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|| ((group == EffectivePaths || group == DevicePaths)
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&& (group = FinalPaths, QMakeLibraryInfo::haveGroup(group)))
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|| (group = orig_group, false)) {
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fromConf = true;
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LocationInfo locinfo = defaultLocationInfo(loc);
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if (!locinfo.key.isNull()) {
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QSettings *config = QMakeLibraryInfo::configuration();
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config->beginGroup(QLatin1String(group == DevicePaths ? "DevicePaths"
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: group == EffectiveSourcePaths
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? "EffectiveSourcePaths"
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: group == EffectivePaths ? "EffectivePaths"
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: "Paths"));
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ret = config->value(locinfo.key, locinfo.defaultValue).toString();
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if (ret.isEmpty()) {
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if (loc == HostPrefixPath) {
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locinfo = defaultLocationInfo(QLibraryInfo::PrefixPath);
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ret = config->value(locinfo.key, locinfo.defaultValue).toString();
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} else if (loc == TargetSpecPath || loc == HostSpecPath
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|| loc == SysrootifyPrefixPath) {
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fromConf = false;
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}
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// The last case here is SysrootPath, which can be legitimately empty.
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// All other keys have non-empty fallbacks to start with.
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}
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// TODO: Might be replaced by common for qmake and qtcore function
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int startIndex = 0;
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forever {
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startIndex = ret.indexOf(QLatin1Char('$'), startIndex);
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if (startIndex < 0)
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break;
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if (ret.length() < startIndex + 3)
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break;
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if (ret.at(startIndex + 1) != QLatin1Char('(')) {
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startIndex++;
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continue;
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}
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int endIndex = ret.indexOf(QLatin1Char(')'), startIndex + 2);
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if (endIndex < 0)
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break;
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auto envVarName =
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QStringView { ret }.mid(startIndex + 2, endIndex - startIndex - 2);
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QString value =
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QString::fromLocal8Bit(qgetenv(envVarName.toLocal8Bit().constData()));
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ret.replace(startIndex, endIndex - startIndex + 1, value);
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startIndex += value.length();
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}
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config->endGroup();
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ret = QDir::fromNativeSeparators(ret);
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}
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}
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if (!fromConf)
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ret = storedPath(loc);
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// These values aren't actually paths and thus need to be returned verbatim.
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if (loc == TargetSpecPath || loc == HostSpecPath || loc == SysrootifyPrefixPath)
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return ret;
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if (!ret.isEmpty() && QDir::isRelativePath(ret)) {
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QString baseDir;
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if (loc == HostPrefixPath || loc == QLibraryInfo::PrefixPath || loc == SysrootPath) {
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// We make the prefix/sysroot path absolute to the executable's directory.
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// loc == PrefixPath while a sysroot is set would make no sense here.
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// loc == SysrootPath only makes sense if qmake lives inside the sysroot itself.
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baseDir = QFileInfo(libraryInfoFile()).absolutePath();
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} else if (loc >= FirstHostPath && loc <= LastHostPath) {
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// We make any other host path absolute to the host prefix directory.
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baseDir = rawLocation(HostPrefixPath, group);
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} else {
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// we make any other path absolute to the prefix directory
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baseDir = rawLocation(QLibraryInfo::PrefixPath, group);
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if (group == EffectivePaths)
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sysrootify(baseDir);
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}
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ret = QDir::cleanPath(baseDir + QLatin1Char('/') + ret);
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}
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return ret;
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}
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QString QMakeLibraryInfo::libraryInfoFile()
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{
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if (!qtconfManualPath.isEmpty())
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return qtconfManualPath;
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if (!binaryAbsLocation.isEmpty()) {
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QDir dir(QFileInfo(binaryAbsLocation).absolutePath());
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QString qtconfig = dir.filePath("qt" QT_STRINGIFY(QT_VERSION_MAJOR) ".conf");
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if (QFile::exists(qtconfig))
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return qtconfig;
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qtconfig = dir.filePath("qt.conf");
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if (QFile::exists(qtconfig))
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return qtconfig;
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}
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return QString();
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}
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QT_END_NAMESPACE
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