222 lines
8.8 KiB
Groff
222 lines
8.8 KiB
Groff
Qt 5.7.1 is a bug-fix release. It maintains both forward and backward
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compatibility (source and binary) with Qt 5.7.0.
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For more details, refer to the online documentation included in this
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distribution. The documentation is also available online:
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http://doc.qt.io/qt-5/index.html
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The Qt version 5.7 series is binary compatible with the 5.6.x series.
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Applications compiled for 5.6 will continue to run with 5.7.
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Some of the changes listed in this file include issue tracking numbers
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corresponding to tasks in the Qt Bug Tracker:
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https://bugreports.qt.io/
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Each of these identifiers can be entered in the bug tracker to obtain more
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information about a particular change.
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This release contains all fixes included in the Qt 5.6.2 release.
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****************************************************************************
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* Important Behavior Changes *
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****************************************************************************
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- [QTBUG-45031] The NSURLConnection backend of QNetworkAccessManager has
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been removed, since SecureTransport is the default SSL backend on iOS
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and is enabled by default. This means that building with -no-openssl
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-no-securetransport will no longer provide SSL capabilities on iOS.
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- QtCore / QDataStream:
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* [QTBUG-54022] Incomplete reads of Qt containers are now handled same
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way as for primitive types, meaning that previous errors are latched.
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****************************************************************************
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* Library *
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****************************************************************************
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QtCore
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------
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- QLockFile:
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* Fixed permissions on lock files on Unix to allow for adjustments via
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umask.
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- QMimeType:
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* [QTBUG-50776] QMimeType::comment() now uses the default locale rather
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than system locale, so that applications can control which language is
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being used.
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- QUrl:
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* QUrl::resolved() no longer treats a URL with a scheme as a relative URL
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if it matches this URL's scheme. For now it still treats "file:name.txt"
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as relative for compatibility, but be warned that in Qt 5.8 it will no
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longer consider those to be relative. Both isRelative() and RFC 3986 say
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that such URLs are not relative, so starting from Qt 5.8, resolved() will
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return them as is.
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- QXmlStreamReader:
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* Fixed a bug in the XML parser that prevented to load XML that
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contained invalid characters for XML 1.0.
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- QXmlStreamWriter:
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* Fixed a bug that prevented the generation of valid XML files when
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using encoding with 8 bit per character but not ASCII compatible.
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QXMLStreamWriter generated XML markup using always ASCII in this case.
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QtGui
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-----
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- QGuiApplication:
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* [QTBUG-51703] Fixed a bug that would cause QGuiApplication::sync() to
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be left undefined for Qt builds without session management support.
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- QIconLoaderEngine:
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* Fixed theme lookup for scalable entries
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- QTextDocument:
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* [QTBUG-48182] Fixed a bug that would return a wrong position when
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searching backward from the end of the document.
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- Text:
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* [QTBUG-49452] Fixed a performance regression in Freetype engine that
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was introduced in Qt 5.5.
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* [QTBUG-53911] Fixed a crash that could happen if you were doing many
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different text layouts with different fonts and superscript or
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subscript alignment.
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* [QTBUG-42033] Fixed bug where a QTextLayout with
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ShowLineAndParagraphSeparators would modify the layout's input string.
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* [QTBUG-54180] Fixed performance regression when rapidly switching
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between a large set of fonts.
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QtNetwork
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---------
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- QSslSocket:
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* [QTBUG-55170] Fixed a bug in SecureTransport backend that would cause
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a memory usage growth in case 'readBufferMaxSize' is set.
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* [QTBUG-52975] Fixed a bug in SecureTransport backend where transmit
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was using invalid SSL context and reporting (incorrectly) some irrelevant
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errors as a result.
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QtSql
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-----
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- [QTBUG-53969][QTBUG-53237] Fixed QSqlQuery::prepare value truncation
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error when using UNSIGNED values in a MySQL database.
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QtWidgets
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---------
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- QAbstractItemDelegate:
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* [QTBUG-16469] Show localized detailed tooltips and "What's this?"
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texts.
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- QTreeView:
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* [QTBUG-52793] Fixed a key navigation bug when the columns were
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reordered.
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****************************************************************************
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* Platform-specific Changes *
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****************************************************************************
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Android
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-------
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- [QTBUG-50724] Added support for clang compiler
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- [QTBUG-53511] Fixed CJK font resolution on Android 7.
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FreeBSD
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-------
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- The freebsd-g++ mkspec was moved back and no longer requires the
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"unsupported/" prefix, matching the FreeBSD ports tree, as FreeBSD 9.3
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still defaults to using GCC. Users of GCC that did not previously use
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the ports patch will need to adapt their build scripts and drop the
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"unsupported/" prefix.
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Linux
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-----
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- [QTBUG-54733] It is now possible to opt out from installing signal
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handlers when running with eglfs and linuxfb by setting the
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QT_QPA_NO_SIGNAL_HANDLER environment variable to a non-zero value.
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- [QTBUG-55140] xcb with EGL and OpenGL ES, as well as eglfs with the
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eglfs_x11 backend, are now supported on DRIVE CX boards when using the
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linux-drive-cx-g++ device spec.
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Windows
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-------
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- [QTBUG-41186] QWindow::fromWinId() may return 0 when passing invalid
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window handles.
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- [QTBUG-55595] Fixed crash when loading color fonts from data.
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- [QTBUG-55097] Fixed rendering Adobe/Mozilla format color fonts with
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other colors than black after Windows 10 Anniversary update.
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- [QTBUG-54494] Fixed stretch when combined with either no or vertical
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hinting preference or a device pixel ratio different from 1.
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- [QTBUG-51024] Fixed height of text bounding box when using no or
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vertical hinting preference, or when the device pixel ratio is
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different from 1.
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****************************************************************************
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* Tools *
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****************************************************************************
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configure & build system
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------------------------
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- [QTBUG-35886][QTBUG-51417] Fixed Fontconfig vs. system FreeType
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configuration.
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- [QTBUG-43784][X11] Fixed detection of GLX with -qt-xcb.
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- [QTBUG-51534][Windows] The configure.exe bootstrapping now prefers
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cl over clang-cl, to avoid header incompatibility problems.
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- [QTBUG-52940] Fixed missing plugins.qmltypes files in static builds.
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- [QTBUG-52951] Fixed dynamic library support detection for platforms
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without libdl.
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- [QTBUG-53038] Fixed running of configure tests outside qtbase when
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cross compiling on Windows (for example for Android).
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- [QTBUG-53312] The flags supplied by the configure -D/-I/-L/-l options
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are now applied after Qt's own flags. This helps in some cases when
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the provided paths contain files which conflict with the Qt build.
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- [QTBUG-53926] Fixed linkage of QML plugins in static prefix builds.
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- [QTBUG-55011][Unix] Fixed -no-pkg-config being ignored by some
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configure tests, which led to build failures later on.
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- Fixed configure tests outside qtbase when $MAKEFLAGS contains the
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-i flag.
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- [Android] Some unused plugins are not built anymore.
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- [MinGW] Added support for -separate-debug-info.
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- [Unix] Added configure -no-opengles3 option.
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- [Unix] Fixed MySQL detection/use on RHEL 6.6.
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qmake
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-----
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- [QTBUG-41830] Fixed nested custom functions inheriting their callers'
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arguments.
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- [QTBUG-53895][MSVC] Started using separate PDB files for compiling
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and linking.
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- [QTBUG-54036][Darwin] Fixed installation of debug symbols.
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- [QTBUG-54299] Various QMAKE_EXTRA_COMPILERS' .depends entries are now
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appended to rather than overwritten.
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- [QTBUG-54346][MSys/Apple] Fixed detection of QMAKE_DEFAULT_{INC,LIB}DIRS.
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- [QTBUG-54550] Fixed access to freed memory in $$absolute_path().
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- [QTBUG-54674] The obsolete -target xp is now properly rejected.
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- [QTBUG-55183][nmake] _WINDLL is now automatically defined when building
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a DLL, consistently with Visual Studio.
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- [QTBUG-55505] Fixed build of projects with spaces in the source or build
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path against static builds of Qt.
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- [QTBUG-55649][QTBUG-55915][Xcode] Fixed support for Xcode 8.
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- [QTBUG-56162][MinGW] Fixed -release -force-debug-info missing both
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optimization and debug info.
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- Fixed several cases where the error() function would not abort qmake.
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- Interrupting a command run via system() will now abort qmake as well.
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- The packagesExist() function will now warn when used when Qt was
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configured with -no-pkg-config.
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- [Android] The default compiler flags were adjusted to match newer
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NDK versions.
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- [Darwin] Fixed detection of QMAKE_DEFAULT_INCDIRS.
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- [Darwin][make] Added support for building Xcode asset catalogs.
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