diff options
Diffstat (limited to 'src/corelib/global/qlibraryinfo.cpp')
| -rw-r--r-- | src/corelib/global/qlibraryinfo.cpp | 728 |
1 files changed, 294 insertions, 434 deletions
diff --git a/src/corelib/global/qlibraryinfo.cpp b/src/corelib/global/qlibraryinfo.cpp index 301c3ab89a..92729b06f1 100644 --- a/src/corelib/global/qlibraryinfo.cpp +++ b/src/corelib/global/qlibraryinfo.cpp @@ -1,42 +1,6 @@ -/**************************************************************************** -** -** Copyright (C) 2020 The Qt Company Ltd. -** Copyright (C) 2016 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2021 The Qt Company Ltd. +// Copyright (C) 2021 Intel Corporation. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qdir.h" #include "qstringlist.h" @@ -45,148 +9,98 @@ #include "qsettings.h" #endif #include "qlibraryinfo.h" +#include "qlibraryinfo_p.h" #include "qscopedpointer.h" -#ifdef QT_BUILD_QMAKE -QT_BEGIN_NAMESPACE -extern QString qmake_libraryInfoFile(); -QT_END_NAMESPACE -#else -# include "qcoreapplication.h" -#endif +#include "qcoreapplication.h" -#ifndef QT_BUILD_QMAKE_BOOTSTRAP -# include "private/qglobal_p.h" -# include "qconfig.cpp" -#endif +#include "private/qglobal_p.h" +#include "archdetect.cpp" +#include "qconfig.cpp" #ifdef Q_OS_DARWIN # include "private/qcore_mac_p.h" #endif // Q_OS_DARWIN -#include "archdetect.cpp" - -#if !defined(QT_BUILD_QMAKE) && QT_CONFIG(relocatable) && QT_CONFIG(dlopen) && !QT_CONFIG(framework) -# include <dlfcn.h> +#if QT_CONFIG(relocatable) && QT_CONFIG(dlopen) && !QT_CONFIG(framework) +# include <dlfcn.h> #endif -#if !defined(QT_BUILD_QMAKE) && QT_CONFIG(relocatable) && defined(Q_OS_WIN) -# include <qt_windows.h> +#if QT_CONFIG(relocatable) && defined(Q_OS_WIN) +# include <qt_windows.h> #endif QT_BEGIN_NAMESPACE +using namespace Qt::StringLiterals; + extern void qDumpCPUFeatures(); // in qsimd.cpp #if QT_CONFIG(settings) +static QSettings *findConfiguration(); + struct QLibrarySettings { QLibrarySettings(); void load(); + bool havePaths(); + QSettings *configuration(); QScopedPointer<QSettings> settings; -#ifdef QT_BUILD_QMAKE - bool haveDevicePaths; - bool haveEffectiveSourcePaths; - bool haveEffectivePaths; - bool havePaths; -#else + bool paths; bool reloadOnQAppAvailable; -#endif }; Q_GLOBAL_STATIC(QLibrarySettings, qt_library_settings) -class QLibraryInfoPrivate +QLibrarySettings::QLibrarySettings() : paths(false), reloadOnQAppAvailable(false) { -public: - static QSettings *findConfiguration(); -#ifdef QT_BUILD_QMAKE - static void reload() - { - if (qt_library_settings.exists()) - qt_library_settings->load(); - } - static bool haveGroup(QLibraryInfo::PathGroup group) - { - QLibrarySettings *ls = qt_library_settings(); - return ls ? (group == QLibraryInfo::EffectiveSourcePaths - ? ls->haveEffectiveSourcePaths - : group == QLibraryInfo::EffectivePaths - ? ls->haveEffectivePaths - : group == QLibraryInfo::DevicePaths - ? ls->haveDevicePaths - : ls->havePaths) : false; - } -#endif - static QSettings *configuration() - { - QLibrarySettings *ls = qt_library_settings(); - if (ls) { -#ifndef QT_BUILD_QMAKE - if (ls->reloadOnQAppAvailable && QCoreApplication::instance() != nullptr) - ls->load(); -#endif - return ls->settings.data(); - } else { - return nullptr; - } - } -}; + load(); +} -static const char platformsSection[] = "Platforms"; +QSettings *QLibrarySettings::configuration() +{ + if (reloadOnQAppAvailable && QCoreApplication::instance() != nullptr) + load(); + return settings.data(); +} -QLibrarySettings::QLibrarySettings() +bool QLibrarySettings::havePaths() { - load(); + if (reloadOnQAppAvailable && QCoreApplication::instance() != nullptr) + load(); + return paths; } void QLibrarySettings::load() { // If we get any settings here, those won't change when the application shows up. - settings.reset(QLibraryInfoPrivate::findConfiguration()); -#ifndef QT_BUILD_QMAKE + settings.reset(findConfiguration()); reloadOnQAppAvailable = (settings.data() == nullptr && QCoreApplication::instance() == nullptr); - bool haveDevicePaths; - bool haveEffectivePaths; - bool havePaths; -#endif + if (settings) { // This code needs to be in the regular library, as otherwise a qt.conf that // works for qmake would break things for dynamically built Qt tools. QStringList children = settings->childGroups(); - haveDevicePaths = children.contains(QLatin1String("DevicePaths")); -#ifdef QT_BUILD_QMAKE - haveEffectiveSourcePaths = children.contains(QLatin1String("EffectiveSourcePaths")); -#else - // EffectiveSourcePaths is for the Qt build only, so needs no backwards compat trickery. - bool haveEffectiveSourcePaths = false; -#endif - haveEffectivePaths = haveEffectiveSourcePaths || children.contains(QLatin1String("EffectivePaths")); - // Backwards compat: an existing but empty file is claimed to contain the Paths section. - havePaths = (!haveDevicePaths && !haveEffectivePaths - && !children.contains(QLatin1String(platformsSection))) - || children.contains(QLatin1String("Paths")); -#ifndef QT_BUILD_QMAKE - if (!havePaths) - settings.reset(nullptr); -#else - } else { - haveDevicePaths = false; - haveEffectiveSourcePaths = false; - haveEffectivePaths = false; - havePaths = false; -#endif + paths = !children.contains("Platforms"_L1) + || children.contains("Paths"_L1); } } -QSettings *QLibraryInfoPrivate::findConfiguration() +namespace { +const QString *qtconfManualPath = nullptr; +} + +void QLibraryInfoPrivate::setQtconfManualPath(const QString *path) { -#ifdef QT_BUILD_QMAKE - QString qtconfig = qmake_libraryInfoFile(); - if (QFile::exists(qtconfig)) - return new QSettings(qtconfig, QSettings::IniFormat); -#else + qtconfManualPath = path; +} + +static QSettings *findConfiguration() +{ + if (qtconfManualPath) + return new QSettings(*qtconfManualPath, QSettings::IniFormat); + QString qtconfig = QStringLiteral(":/qt/etc/qt.conf"); if (QFile::exists(qtconfig)) return new QSettings(qtconfig, QSettings::IniFormat); @@ -194,7 +108,7 @@ QSettings *QLibraryInfoPrivate::findConfiguration() CFBundleRef bundleRef = CFBundleGetMainBundle(); if (bundleRef) { QCFType<CFURLRef> urlRef = CFBundleCopyResourceURL(bundleRef, - QCFString(QLatin1String("qt.conf")), + QCFString("qt.conf"_L1), 0, 0); if (urlRef) { @@ -207,14 +121,33 @@ QSettings *QLibraryInfoPrivate::findConfiguration() #endif if (QCoreApplication::instance()) { QDir pwd(QCoreApplication::applicationDirPath()); - qtconfig = pwd.filePath(QLatin1String("qt.conf")); + qtconfig = pwd.filePath(u"qt" QT_STRINGIFY(QT_VERSION_MAJOR) ".conf"_s); + if (QFile::exists(qtconfig)) + return new QSettings(qtconfig, QSettings::IniFormat); + qtconfig = pwd.filePath("qt.conf"_L1); if (QFile::exists(qtconfig)) return new QSettings(qtconfig, QSettings::IniFormat); } -#endif return nullptr; //no luck } +QSettings *QLibraryInfoPrivate::configuration() +{ + QLibrarySettings *ls = qt_library_settings(); + return ls ? ls->configuration() : nullptr; +} + +void QLibraryInfoPrivate::reload() +{ + if (qt_library_settings.exists()) + qt_library_settings->load(); +} + +static bool havePaths() { + QLibrarySettings *ls = qt_library_settings(); + return ls && ls->havePaths(); +} + #endif // settings /*! @@ -235,8 +168,6 @@ QSettings *QLibraryInfoPrivate::findConfiguration() \sa QSysInfo, {Using qt.conf} */ -#ifndef QT_BUILD_QMAKE - /*! \internal @@ -247,42 +178,8 @@ QSettings *QLibraryInfoPrivate::findConfiguration() QLibraryInfo::QLibraryInfo() { } -#if defined(Q_CC_INTEL) // must be before GNU, Clang and MSVC because ICC/ICL claim to be them -# ifdef __INTEL_CLANG_COMPILER -# define ICC_COMPAT "Clang" -# elif defined(__INTEL_MS_COMPAT_LEVEL) -# define ICC_COMPAT "Microsoft" -# elif defined(__GNUC__) -# define ICC_COMPAT "GCC" -# else -# define ICC_COMPAT "no" -# endif -# if __INTEL_COMPILER == 1300 -# define ICC_VERSION "13.0" -# elif __INTEL_COMPILER == 1310 -# define ICC_VERSION "13.1" -# elif __INTEL_COMPILER == 1400 -# define ICC_VERSION "14.0" -# elif __INTEL_COMPILER == 1500 -# define ICC_VERSION "15.0" -# else -# define ICC_VERSION QT_STRINGIFY(__INTEL_COMPILER) -# endif -# ifdef __INTEL_COMPILER_UPDATE -# define COMPILER_STRING "Intel(R) C++ " ICC_VERSION "." QT_STRINGIFY(__INTEL_COMPILER_UPDATE) \ - " build " QT_STRINGIFY(__INTEL_COMPILER_BUILD_DATE) " [" \ - ICC_COMPAT " compatibility]" -# else -# define COMPILER_STRING "Intel(R) C++ " ICC_VERSION \ - " build " QT_STRINGIFY(__INTEL_COMPILER_BUILD_DATE) " [" \ - ICC_COMPAT " compatibility]" -# endif -#elif defined(Q_CC_CLANG) // must be before GNU, because clang claims to be GNU too -# ifdef __apple_build_version__ // Apple clang has other version numbers -# define COMPILER_STRING "Clang " __clang_version__ " (Apple)" -# else -# define COMPILER_STRING "Clang " __clang_version__ -# endif +#if defined(Q_CC_CLANG) // must be before GNU, because clang claims to be GNU too +# define COMPILER_STRING __VERSION__ /* already includes the compiler's name */ #elif defined(Q_CC_GHS) # define COMPILER_STRING "GHS " QT_STRINGIFY(__GHS_VERSION_NUMBER) #elif defined(Q_CC_GNU) @@ -292,8 +189,10 @@ QLibraryInfo::QLibraryInfo() # define COMPILER_STRING "MSVC 2015" # elif _MSC_VER < 1917 # define COMPILER_STRING "MSVC 2017" -# elif _MSC_VER < 2000 +# elif _MSC_VER < 1930 # define COMPILER_STRING "MSVC 2019" +# elif _MSC_VER < 2000 +# define COMPILER_STRING "MSVC 2022" # else # define COMPILER_STRING "MSVC _MSC_VER " QT_STRINGIFY(_MSC_VER) # endif @@ -310,7 +209,10 @@ QLibraryInfo::QLibraryInfo() #else # define SHARED_STRING " static" #endif -#define QT_BUILD_STR "Qt " QT_VERSION_STR " (" ARCH_FULL SHARED_STRING DEBUG_STRING " build; by " COMPILER_STRING ")" +static const char *qt_build_string() noexcept +{ + return "Qt " QT_VERSION_STR " (" ARCH_FULL SHARED_STRING DEBUG_STRING " build; by " COMPILER_STRING ")"; +} /*! Returns a string describing how this version of Qt was built. @@ -322,7 +224,7 @@ QLibraryInfo::QLibraryInfo() const char *QLibraryInfo::build() noexcept { - return QT_BUILD_STR; + return qt_build_string(); } /*! @@ -331,7 +233,7 @@ const char *QLibraryInfo::build() noexcept false if it was built in release mode. */ bool -QLibraryInfo::isDebugBuild() +QLibraryInfo::isDebugBuild() noexcept { #ifdef QT_DEBUG return true; @@ -340,7 +242,19 @@ QLibraryInfo::isDebugBuild() #endif } -#ifndef QT_BOOTSTRAPPED +/*! + \since 6.5 + Returns \c true if this is a shared (dynamic) build of Qt. +*/ +bool QLibraryInfo::isSharedBuild() noexcept +{ +#ifdef QT_SHARED + return true; +#else + return false; +#endif +} + /*! \since 5.8 Returns the version of the Qt library. @@ -351,76 +265,7 @@ QVersionNumber QLibraryInfo::version() noexcept { return QVersionNumber(QT_VERSION_MAJOR, QT_VERSION_MINOR, QT_VERSION_PATCH); } -#endif // QT_BOOTSTRAPPED - -#endif // QT_BUILD_QMAKE -/* - * To add a new entry in QLibrary::LibraryPath, add it to the enum above the bootstrapped values and: - * - add its relative path in the qtConfEntries[] array below - * (the key is what appears in a qt.conf file) - * - add a property name in qmake/property.cpp propList[] array - * (it's used with qmake -query) - * - add to qt_config.prf, qt_module.prf, qt_module_fwdpri.prf - */ - -static const struct { - char key[19], value[13]; -} qtConfEntries[] = { - { "Prefix", "." }, - { "Documentation", "doc" }, // should be ${Data}/doc - { "Headers", "include" }, - { "Libraries", "lib" }, -#ifdef Q_OS_WIN - { "LibraryExecutables", "bin" }, -#else - { "LibraryExecutables", "libexec" }, // should be ${ArchData}/libexec -#endif - { "Binaries", "bin" }, - { "Plugins", "plugins" }, // should be ${ArchData}/plugins - { "Qml2Imports", "qml" }, // should be ${ArchData}/qml - { "ArchData", "." }, - { "Data", "." }, - { "Translations", "translations" }, // should be ${Data}/translations - { "Examples", "examples" }, - { "Tests", "tests" }, -#ifdef QT_BUILD_QMAKE - { "Sysroot", "" }, - { "SysrootifyPrefix", "" }, - { "HostBinaries", "bin" }, - { "HostLibraries", "lib" }, - { "HostData", "." }, - { "TargetSpec", "" }, - { "HostSpec", "" }, - { "HostPrefix", "" }, -#endif -}; - -#ifdef QT_BUILD_QMAKE -void QLibraryInfo::reload() -{ - QLibraryInfoPrivate::reload(); -} - -void QLibraryInfo::sysrootify(QString *path) -{ - if (!QVariant::fromValue(rawLocation(SysrootifyPrefixPath, FinalPaths)).toBool()) - return; - - const QString sysroot = rawLocation(SysrootPath, FinalPaths); - if (sysroot.isEmpty()) - return; - - if (path->length() > 2 && path->at(1) == QLatin1Char(':') - && (path->at(2) == QLatin1Char('/') || path->at(2) == QLatin1Char('\\'))) { - path->replace(0, 2, sysroot); // Strip out the drive on Windows targets - } else { - path->prepend(sysroot); - } -} -#endif // QT_BUILD_QMAKE - -#ifndef QT_BUILD_QMAKE static QString prefixFromAppDirHelper() { QString appDir; @@ -433,7 +278,7 @@ static QString prefixFromAppDirHelper() if (urlRef) { QCFString path = CFURLCopyFileSystemPath(urlRef, kCFURLPOSIXPathStyle); #ifdef Q_OS_MACOS - QString bundleContentsDir = QString(path) + QLatin1String("/Contents/"); + QString bundleContentsDir = QString(path) + "/Contents/"_L1; if (QDir(bundleContentsDir).exists()) return QDir::cleanPath(bundleContentsDir); #else @@ -450,17 +295,15 @@ static QString prefixFromAppDirHelper() return appDir; } -#endif -#if !defined(QT_BUILD_QMAKE) && QT_CONFIG(relocatable) +#if QT_CONFIG(relocatable) #if !defined(QT_STATIC) && !(defined(Q_OS_DARWIN) && QT_CONFIG(framework)) \ && (QT_CONFIG(dlopen) || defined(Q_OS_WIN)) static QString prefixFromQtCoreLibraryHelper(const QString &qtCoreLibraryPath) { const QString qtCoreLibrary = QDir::fromNativeSeparators(qtCoreLibraryPath); const QString libDir = QFileInfo(qtCoreLibrary).absolutePath(); - const QString prefixDir = libDir + QLatin1Char('/') - + QLatin1String(QT_CONFIGURE_LIBLOCATION_TO_PREFIX_PATH); + const QString prefixDir = libDir + "/" QT_CONFIGURE_LIBLOCATION_TO_PREFIX_PATH; return QDir::cleanPath(prefixDir); } #endif @@ -476,7 +319,7 @@ static HMODULE getWindowsModuleHandle() } #endif // Q_OS_WIN -static QString getRelocatablePrefix() +static QString getRelocatablePrefix(QLibraryInfoPrivate::UsageMode usageMode) { QString prefixPath; @@ -484,7 +327,14 @@ static QString getRelocatablePrefix() // For regular builds, the prefix will be relative to the location of the QtCore shared library. #if defined(QT_STATIC) prefixPath = prefixFromAppDirHelper(); + if (usageMode == QLibraryInfoPrivate::UsedFromQtBinDir) { + // For Qt tools in a static build, we must chop off the bin directory. + constexpr QByteArrayView binDir = qt_configure_strs.viewAt(QLibraryInfo::BinariesPath - 1); + constexpr size_t binDirLength = binDir.size() + 1; + prefixPath.chop(binDirLength); + } #elif defined(Q_OS_DARWIN) && QT_CONFIG(framework) + Q_UNUSED(usageMode); #ifndef QT_LIBINFIX #define QT_LIBINFIX "" #endif @@ -519,16 +369,22 @@ static QString getRelocatablePrefix() const QCFString libDirCFString = CFURLCopyFileSystemPath(libDirCFPath, kCFURLPOSIXPathStyle); - const QString prefixDir = QString(libDirCFString) + QLatin1Char('/') - + QLatin1String(QT_CONFIGURE_LIBLOCATION_TO_PREFIX_PATH); + const QString prefixDir = QString(libDirCFString) + "/" QT_CONFIGURE_LIBLOCATION_TO_PREFIX_PATH; prefixPath = QDir::cleanPath(prefixDir); +#elif defined(Q_OS_WASM) + // Emscripten expects to find shared libraries at the root of the in-memory + // file system when resolving dependencies for for dlopen() calls. So that's + // where libqt6core.so would be. + prefixPath = QStringLiteral("/"); #elif QT_CONFIG(dlopen) + Q_UNUSED(usageMode); Dl_info info; int result = dladdr(reinterpret_cast<void *>(&QLibraryInfo::isDebugBuild), &info); if (result > 0 && info.dli_fname) prefixPath = prefixFromQtCoreLibraryHelper(QString::fromLocal8Bit(info.dli_fname)); #elif defined(Q_OS_WIN) + Q_UNUSED(usageMode); HMODULE hModule = getWindowsModuleHandle(); const int kBufferSize = 4096; wchar_t buffer[kBufferSize]; @@ -542,7 +398,7 @@ static QString getRelocatablePrefix() // executable within the QT_HOST_BIN directory. We're detecting the latter case by checking // whether there's an import library corresponding to our QtCore DLL in PREFIX/lib. const QString libdir = QString::fromLocal8Bit( - qt_configure_strs + qt_configure_str_offsets[QLibraryInfo::LibrariesPath - 1]); + qt_configure_strs.viewAt(QLibraryInfo::LibrariesPath - 1)); const QLatin1Char slash('/'); #if defined(Q_CC_MINGW) const QString implibPrefix = QStringLiteral("lib"); @@ -554,7 +410,7 @@ static QString getRelocatablePrefix() const QString qtCoreImpLibFileName = implibPrefix + QFileInfo(qtCoreFilePath).completeBaseName() + implibSuffix; const QString qtCoreImpLibPath = qtCoreDirPath - + slash + QLatin1String(QT_CONFIGURE_LIBLOCATION_TO_PREFIX_PATH) + + slash + QT_CONFIGURE_LIBLOCATION_TO_PREFIX_PATH + slash + libdir + slash + qtCoreImpLibFileName; if (!QFileInfo::exists(qtCoreImpLibPath)) { @@ -574,7 +430,7 @@ static QString getRelocatablePrefix() // See "Hardware capabilities" in the ld.so documentation and the Qt 5.3.0 // changelog regarding SSE2 support. const QString libdir = QString::fromLocal8Bit( - qt_configure_strs + qt_configure_str_offsets[QLibraryInfo::LibrariesPath - 1]); + qt_configure_strs.viewAt(QLibraryInfo::LibrariesPath - 1)); QDir prefixDir(prefixPath); while (!prefixDir.exists(libdir)) { prefixDir.cdUp(); @@ -592,55 +448,69 @@ static QString getRelocatablePrefix() } #endif -#if defined(QT_BUILD_QMAKE) && !defined(QT_BUILD_QMAKE_BOOTSTRAP) -QString qmake_abslocation(); - -static QString getPrefixFromHostBinDir(const char *hostBinDirToPrefixPath) -{ - const QString canonicalQMakePath = QFileInfo(qmake_abslocation()).canonicalPath(); - return QDir::cleanPath(canonicalQMakePath + QLatin1Char('/') - + QLatin1String(hostBinDirToPrefixPath)); -} - -static QString getExtPrefixFromHostBinDir() +static QString getPrefix(QLibraryInfoPrivate::UsageMode usageMode) { - return getPrefixFromHostBinDir(QT_CONFIGURE_HOSTBINDIR_TO_EXTPREFIX_PATH); +#if QT_CONFIG(relocatable) + return getRelocatablePrefix(usageMode); +#else + Q_UNUSED(usageMode); + return QString::fromLocal8Bit(QT_CONFIGURE_PREFIX_PATH); +#endif } -static QString getHostPrefixFromHostBinDir() +QLibraryInfoPrivate::LocationInfo QLibraryInfoPrivate::locationInfo(QLibraryInfo::LibraryPath loc) { - return getPrefixFromHostBinDir(QT_CONFIGURE_HOSTBINDIR_TO_HOSTPREFIX_PATH); -} + /* + * To add a new entry in QLibraryInfo::LibraryPath, add it to the enum + * in qtbase/src/corelib/global/qlibraryinfo.h and: + * - add its relative path in the qtConfEntries[] array below + * (the key is what appears in a qt.conf file) + */ + static constexpr auto qtConfEntries = qOffsetStringArray( + "Prefix", ".", + "Documentation", "doc", // should be ${Data}/doc + "Headers", "include", + "Libraries", "lib", +#ifdef Q_OS_WIN + "LibraryExecutables", "bin", +#else + "LibraryExecutables", "libexec", // should be ${ArchData}/libexec #endif + "Binaries", "bin", + "Plugins", "plugins", // should be ${ArchData}/plugins -#ifndef QT_BUILD_QMAKE_BOOTSTRAP -static QString getPrefix( -#ifdef QT_BUILD_QMAKE - QLibraryInfo::PathGroup group -#endif - ) -{ -#if defined(QT_BUILD_QMAKE) -# if QT_CONFIGURE_CROSSBUILD - if (group == QLibraryInfo::DevicePaths) - return QString::fromLocal8Bit(QT_CONFIGURE_PREFIX_PATH); -# else - Q_UNUSED(group); -# endif - return getExtPrefixFromHostBinDir(); -#elif QT_CONFIG(relocatable) - return getRelocatablePrefix(); -#else - return QString::fromLocal8Bit(QT_CONFIGURE_PREFIX_PATH); + "QmlImports", "qml", // should be ${ArchData}/qml + + "ArchData", ".", + "Data", ".", + "Translations", "translations", // should be ${Data}/translations + "Examples", "examples", + "Tests", "tests" + ); + [[maybe_unused]] + constexpr QByteArrayView dot{"."}; + + LocationInfo result; + + if (int(loc) < qtConfEntries.count()) { + result.key = QLatin1StringView(qtConfEntries.viewAt(loc * 2)); + result.defaultValue = QLatin1StringView(qtConfEntries.viewAt(loc * 2 + 1)); + if (result.key == u"QmlImports") + result.fallbackKey = u"Qml2Imports"_s; +#ifndef Q_OS_WIN // On Windows we use the registry + } else if (loc == QLibraryInfo::SettingsPath) { + result.key = "Settings"_L1; + result.defaultValue = QLatin1StringView(dot); #endif + } + + return result; } -#endif // QT_BUILD_QMAKE_BOOTSTRAP /*! \fn QString QLibraryInfo::location(LibraryLocation loc) - \obsolete Use path() instead. + \deprecated [6.0] Use path() instead. Returns the path specified by \a loc. - \sa path() */ /*! @@ -649,99 +519,58 @@ static QString getPrefix( */ QString QLibraryInfo::path(LibraryPath p) { - const LibraryPath loc = p; -#ifdef QT_BUILD_QMAKE // ends inside rawLocation ! - QString ret = rawLocation(loc, FinalPaths); + return QLibraryInfoPrivate::path(p); +} - // Automatically prepend the sysroot to target paths - if (loc < SysrootPath || loc > LastHostPath) - sysrootify(&ret); - return ret; -} +/* + Returns the path specified by \a p. -QString -QLibraryInfo::rawLocation(LibraryPath loc, PathGroup group) + The usage mode can be set to UsedFromQtBinDir to enable special handling for executables that + live in <install-prefix>/bin. + */ +QString QLibraryInfoPrivate::path(QLibraryInfo::LibraryPath p, UsageMode usageMode) { -#endif // QT_BUILD_QMAKE, started inside path! + const QLibraryInfo::LibraryPath loc = p; QString ret; bool fromConf = false; #if QT_CONFIG(settings) -#ifdef QT_BUILD_QMAKE - // Logic for choosing the right data source: if EffectivePaths are requested - // and qt.conf with that section is present, use it, otherwise fall back to - // FinalPaths. For FinalPaths, use qt.conf if present and contains not only - // [EffectivePaths], otherwise fall back to builtins. - // EffectiveSourcePaths falls back to EffectivePaths. - // DevicePaths falls back to FinalPaths. - PathGroup orig_group = group; - if (QLibraryInfoPrivate::haveGroup(group) - || (group == EffectiveSourcePaths - && (group = EffectivePaths, QLibraryInfoPrivate::haveGroup(group))) - || ((group == EffectivePaths || group == DevicePaths) - && (group = FinalPaths, QLibraryInfoPrivate::haveGroup(group))) - || (group = orig_group, false)) -#else - if (QLibraryInfoPrivate::configuration()) -#endif - { + if (havePaths()) { fromConf = true; - QString key; - QString defaultValue; - if (unsigned(loc) < sizeof(qtConfEntries)/sizeof(qtConfEntries[0])) { - key = QLatin1String(qtConfEntries[loc].key); - defaultValue = QLatin1String(qtConfEntries[loc].value); - } -#ifndef Q_OS_WIN // On Windows we use the registry - else if (loc == SettingsPath) { - key = QLatin1String("Settings"); - defaultValue = QLatin1String("."); - } -#endif - - if (!key.isNull()) { + auto li = QLibraryInfoPrivate::locationInfo(loc); + if (!li.key.isNull()) { QSettings *config = QLibraryInfoPrivate::configuration(); - config->beginGroup(QLatin1String( -#ifdef QT_BUILD_QMAKE - group == DevicePaths ? "DevicePaths" : - group == EffectiveSourcePaths ? "EffectiveSourcePaths" : - group == EffectivePaths ? "EffectivePaths" : -#endif - "Paths")); - - ret = config->value(key, defaultValue).toString(); - -#ifdef QT_BUILD_QMAKE - if (ret.isEmpty()) { - if (loc == HostPrefixPath) - ret = config->value(QLatin1String(qtConfEntries[PrefixPath].key), - QLatin1String(qtConfEntries[PrefixPath].value)).toString(); - else if (loc == TargetSpecPath || loc == HostSpecPath || loc == SysrootifyPrefixPath) - fromConf = false; - // The last case here is SysrootPath, which can be legitimately empty. - // All other keys have non-empty fallbacks to start with. + Q_ASSERT(config != nullptr); + config->beginGroup("Paths"_L1); + + if (li.fallbackKey.isNull()) { + ret = config->value(li.key, li.defaultValue).toString(); + } else { + QVariant v = config->value(li.key); + if (!v.isValid()) + v = config->value(li.fallbackKey, li.defaultValue); + ret = v.toString(); } -#endif - int startIndex = 0; - forever { - startIndex = ret.indexOf(QLatin1Char('$'), startIndex); + qsizetype startIndex = 0; + while (true) { + startIndex = ret.indexOf(u'$', startIndex); if (startIndex < 0) break; - if (ret.length() < startIndex + 3) + if (ret.size() < startIndex + 3) break; - if (ret.at(startIndex + 1) != QLatin1Char('(')) { + if (ret.at(startIndex + 1) != u'(') { startIndex++; continue; } - int endIndex = ret.indexOf(QLatin1Char(')'), startIndex + 2); + qsizetype endIndex = ret.indexOf(u')', startIndex + 2); if (endIndex < 0) break; auto envVarName = QStringView{ret}.mid(startIndex + 2, endIndex - startIndex - 2); QString value = QString::fromLocal8Bit(qgetenv(envVarName.toLocal8Bit().constData())); ret.replace(startIndex, endIndex - startIndex + 1, value); - startIndex += value.length(); + startIndex += value.size(); } config->endGroup(); @@ -751,70 +580,32 @@ QLibraryInfo::rawLocation(LibraryPath loc, PathGroup group) } #endif // settings -#ifndef QT_BUILD_QMAKE_BOOTSTRAP if (!fromConf) { - // "volatile" here is a hack to prevent compilers from doing a - // compile-time strlen() on "path". The issue is that Qt installers - // will binary-patch the Qt installation paths -- in such scenarios, Qt - // will be built with a dummy path, thus the compile-time result of - // strlen is meaningless. - const char * volatile path = nullptr; - if (loc == PrefixPath) { - ret = getPrefix( -#ifdef QT_BUILD_QMAKE - group -#endif - ); - } else if (unsigned(loc) <= sizeof(qt_configure_str_offsets)/sizeof(qt_configure_str_offsets[0])) { - path = qt_configure_strs + qt_configure_str_offsets[loc - 1]; + if (loc == QLibraryInfo::PrefixPath) { + ret = getPrefix(usageMode); + } else if (int(loc) <= qt_configure_strs.count()) { + ret = QString::fromLocal8Bit(qt_configure_strs.viewAt(loc - 1)); #ifndef Q_OS_WIN // On Windows we use the registry - } else if (loc == SettingsPath) { - path = QT_CONFIGURE_SETTINGS_PATH; + } else if (loc == QLibraryInfo::SettingsPath) { + // Use of volatile is a hack to discourage compilers from calling + // strlen(), in the inlined fromLocal8Bit(const char *)'s body, at + // compile-time, as Qt installers binary-patch the path, replacing + // the dummy path seen at compile-time, typically changing length. + const char *volatile path = QT_CONFIGURE_SETTINGS_PATH; + ret = QString::fromLocal8Bit(path); #endif -# ifdef QT_BUILD_QMAKE - } else if (loc == HostPrefixPath) { - static const QByteArray hostPrefixPath = getHostPrefixFromHostBinDir().toLatin1(); - path = hostPrefixPath.constData(); -# endif } - - if (path) - ret = QString::fromLocal8Bit(path); } -#endif - -#ifdef QT_BUILD_QMAKE - // These values aren't actually paths and thus need to be returned verbatim. - if (loc == TargetSpecPath || loc == HostSpecPath || loc == SysrootifyPrefixPath) - return ret; -#endif if (!ret.isEmpty() && QDir::isRelativePath(ret)) { QString baseDir; -#ifdef QT_BUILD_QMAKE - if (loc == HostPrefixPath || loc == PrefixPath || loc == SysrootPath) { - // We make the prefix/sysroot path absolute to the executable's directory. - // loc == PrefixPath while a sysroot is set would make no sense here. - // loc == SysrootPath only makes sense if qmake lives inside the sysroot itself. - baseDir = QFileInfo(qmake_libraryInfoFile()).absolutePath(); - } else if (loc > SysrootPath && loc <= LastHostPath) { - // We make any other host path absolute to the host prefix directory. - baseDir = rawLocation(HostPrefixPath, group); - } else { - // we make any other path absolute to the prefix directory - baseDir = rawLocation(PrefixPath, group); - if (group == EffectivePaths) - sysrootify(&baseDir); - } -#else - if (loc == PrefixPath) { + if (loc == QLibraryInfo::PrefixPath) { baseDir = prefixFromAppDirHelper(); } else { // we make any other path absolute to the prefix directory - baseDir = path(PrefixPath); + baseDir = path(QLibraryInfo::PrefixPath, usageMode); } -#endif // QT_BUILD_QMAKE - ret = QDir::cleanPath(baseDir + QLatin1Char('/') + ret); + ret = QDir::cleanPath(baseDir + u'/' + ret); } return ret; } @@ -834,18 +625,17 @@ QLibraryInfo::rawLocation(LibraryPath loc, PathGroup group) QStringList QLibraryInfo::platformPluginArguments(const QString &platformName) { -#if !defined(QT_BUILD_QMAKE) && QT_CONFIG(settings) - QScopedPointer<const QSettings> settings(QLibraryInfoPrivate::findConfiguration()); +#if QT_CONFIG(settings) + QScopedPointer<const QSettings> settings(findConfiguration()); if (!settings.isNull()) { - const QString key = QLatin1String(platformsSection) - + QLatin1Char('/') + const QString key = "Platforms/"_L1 + platformName - + QLatin1String("Arguments"); + + "Arguments"_L1; return settings->value(key).toStringList(); } #else Q_UNUSED(platformName); -#endif // !QT_BUILD_QMAKE && settings +#endif // settings return QStringList(); } @@ -863,7 +653,8 @@ QStringList QLibraryInfo::platformPluginArguments(const QString &platformName) \value LibraryExecutablesPath The path to installed executables required by libraries at runtime. \value BinariesPath The path to installed Qt binaries (tools and applications). \value PluginsPath The path to installed Qt plugins. - \value Qml2ImportsPath The path to installed QML extensions to import (QML 2.x). + \value QmlImportsPath The path to installed QML extensions to import. + \value Qml2ImportsPath This value is deprecated. Use QmlImportsPath instead. \value ArchDataPath The path to general architecture-dependent Qt data. \value DataPath The path to general architecture-independent Qt data. \value TranslationsPath The path to translation information for Qt strings. @@ -876,37 +667,106 @@ QStringList QLibraryInfo::platformPluginArguments(const QString &platformName) /*! \typealias QLibraryInfo::LibraryLocation - \obsolete Use LibraryPath with QLibraryInfo::path() instead. + \deprecated Use LibraryPath with QLibraryInfo::path() instead. +*/ + +/*! + \macro QT_VERSION_STR + \relates <QtVersion> + + This macro expands to a string that specifies Qt's version number (for + example, "6.1.2"). This is the version with which the application is + compiled. This may be a different version than the version the application + will find itself using at \e runtime. + + \sa qVersion(), QT_VERSION */ +/*! + \relates <QtVersion> + + Returns the version number of Qt at runtime as a string (for example, + "6.1.2"). This is the version of the Qt library in use at \e runtime, + which need not be the version the application was \e compiled with. + + \sa QT_VERSION_STR, QLibraryInfo::version() +*/ + +const char *qVersion() noexcept +{ + return QT_VERSION_STR; +} + +#if QT_DEPRECATED_SINCE(6, 9) + +bool qSharedBuild() noexcept +{ + return QLibraryInfo::isSharedBuild(); +} + +#endif // QT_DEPRECATED_SINCE(6, 9) + QT_END_NAMESPACE #if defined(Q_CC_GNU) && defined(ELF_INTERPRETER) +# include <elf.h> # include <stdio.h> # include <stdlib.h> #include "private/qcoreapplication_p.h" +QT_WARNING_DISABLE_GCC("-Wformat-overflow") QT_WARNING_DISABLE_GCC("-Wattributes") QT_WARNING_DISABLE_CLANG("-Wattributes") QT_WARNING_DISABLE_INTEL(2621) +# if defined(Q_OS_LINUX) +# include "minimum-linux_p.h" +# endif +# ifdef QT_ELF_NOTE_OS_TYPE +struct ElfNoteAbiTag +{ + static_assert(sizeof(Elf32_Nhdr) == sizeof(Elf64_Nhdr), + "The size of an ELF note is wrong (should be 12 bytes)"); + struct Payload { + Elf32_Word ostype = QT_ELF_NOTE_OS_TYPE; + Elf32_Word major = QT_ELF_NOTE_OS_MAJOR; + Elf32_Word minor = QT_ELF_NOTE_OS_MINOR; +# ifdef QT_ELF_NOTE_OS_PATCH + Elf32_Word patch = QT_ELF_NOTE_OS_PATCH; +# endif + }; + + Elf32_Nhdr header = { + .n_namesz = sizeof(name), + .n_descsz = sizeof(Payload), + .n_type = NT_GNU_ABI_TAG + }; + char name[sizeof ELF_NOTE_GNU] = ELF_NOTE_GNU; // yes, include the null terminator + Payload payload = {}; +}; +__attribute__((section(".note.ABI-tag"), aligned(4), used)) +extern constexpr ElfNoteAbiTag QT_MANGLE_NAMESPACE(qt_abi_tag) = {}; +# endif + extern const char qt_core_interpreter[] __attribute__((section(".interp"))) = ELF_INTERPRETER; extern "C" void qt_core_boilerplate() __attribute__((force_align_arg_pointer)); void qt_core_boilerplate() { - printf("This is the QtCore library version " QT_BUILD_STR "\n" - "Copyright (C) 2016 The Qt Company Ltd.\n" - "Contact: http://www.qt.io/licensing/\n" + printf("This is the QtCore library version %s\n" + "%s\n" + "Contact: https://www.qt.io/licensing/\n" "\n" "Installation prefix: %s\n" "Library path: %s\n" "Plugin path: %s\n", - qt_configure_prefix_path_str + 12, - qt_configure_strs + qt_configure_str_offsets[QT_PREPEND_NAMESPACE(QLibraryInfo)::LibrariesPath - 1], - qt_configure_strs + qt_configure_str_offsets[QT_PREPEND_NAMESPACE(QLibraryInfo)::PluginsPath - 1]); + QT_PREPEND_NAMESPACE(qt_build_string)(), + QT_COPYRIGHT, + QT_CONFIGURE_PREFIX_PATH, + qt_configure_strs[QT_PREPEND_NAMESPACE(QLibraryInfo)::LibrariesPath - 1], + qt_configure_strs[QT_PREPEND_NAMESPACE(QLibraryInfo)::PluginsPath - 1]); QT_PREPEND_NAMESPACE(qDumpCPUFeatures)(); |