Merge 5.7 into 5.7.0

Change-Id: I416c79d9afde98efc9e78b3a74e17dfbb2409602
2016-05-20 19:31:18 +02:00 · 2016-05-20 19:31:18 +02:00 · 36c025a8d6
commit 36c025a8d6
parent d55f2b1fb9 8e8bd90e44
194 changed files with 1956 additions and 751 deletions
--- a/.qmake.conf
+++ b/.qmake.conf
@ -1,5 +1,4 @@
 load(qt_build_config)
-CONFIG += qt_example_installs
 CONFIG += warning_clean

 QT_SOURCE_TREE = $$PWD
--- a/config.tests/qpa/eglfs-viv/eglfs-viv.cpp
+++ b/config.tests/qpa/eglfs-viv/eglfs-viv.cpp
@ -43,6 +43,8 @@

 int main(int, char **)
 {
-    fbGetDisplay();
+    // Do not rely on fbGetDisplay() since the signature has changed over time.
+    // Stick to fbGetDisplayByIndex().
+    fbGetDisplayByIndex(0);
    return 0;
 }
--- a/config.tests/qpa/kms/kms.pro
+++ b/config.tests/qpa/kms/kms.pro
@ -1,4 +1,4 @@
 SOURCES = kms.cpp
 CONFIG += link_pkgconfig
-PKGCONFIG += libdrm libudev
+PKGCONFIG += libdrm
 CONFIG -= qt
--- a/config.tests/unix/compile.test
+++ b/config.tests/unix/compile.test
@ -66,9 +66,6 @@ while [ "$#" -gt 0 ]; do
    shift
 done

-# debuggery
-[ "$VERBOSE" = "yes" ] && echo "$DESCRIPTION auto-detection... ($*)"
-
 test -d "$OUTDIR/$TEST" || mkdir -p "$OUTDIR/$TEST"

 cd "$OUTDIR/$TEST"
@ -96,6 +93,7 @@ set -- \
     "$SRCDIR/$TEST/$EXE.pro" \
     -o "$OUTDIR/$TEST/Makefile"
 if [ "$VERBOSE" = "yes" ]; then
+    echo
    OUTDIR=$OUTDIR "$@" && $MAKE && SUCCESS=yes
 else
    OUTDIR=$OUTDIR "$@" >/dev/null 2>&1 && $MAKE >/dev/null 2>&1 && SUCCESS=yes
@ -103,9 +101,9 @@ fi

 # done
 if [ "$SUCCESS" != "yes" ]; then
-    [ "$VERBOSE" = "yes" ] && echo "$DESCRIPTION disabled."
+    [ "$VERBOSE" = "yes" ] && echo "$DESCRIPTION disabled." || echo " no."
    exit 1
 else
-    [ "$VERBOSE" = "yes" ] && echo "$DESCRIPTION enabled."
+    [ "$VERBOSE" = "yes" ] && echo "$DESCRIPTION enabled." || echo " yes."
    exit 0
 fi
--- a/49
+++ b/49
@ -91,6 +91,7 @@ for i in "$@"; do
 done

 # initialize global variables
+CONFIG_SEPARATORS=`printf ' \t'`
 QMAKE_SWITCHES=
 QMAKE_VARS=
 QMAKE_CONFIG=
@ -348,6 +349,21 @@ getXQMakeConf()
    getSingleQMakeVariable "$1" "$xspecvals"
 }

+testXConfig()
+{
+    # Put a space on each end of the CONFIG value so that searching for the
+    # target with whitespace on either side will work even when it's the
+    # first/last/only item in the CONFIG value.
+    case \ `getXQMakeConf CONFIG`\  in
+    *[${CONFIG_SEPARATORS}]$1[${CONFIG_SEPARATORS}]*)
+        return 0
+        ;;
+    *)
+        return 1
+        ;;
+    esac
+}
+
 compilerSupportsFlag()
 {
    cat >conftest.cpp <<EOF
@ -3926,7 +3942,7 @@ if true; then ###[ '!' -f "$outpath/bin/qmake" ];
        setBootstrapVariable QMAKE_LFLAGS
        setBootstrapVariable QMAKE_LFLAGS_GCSECTIONS

-        if [ "$CFG_RELEASE_TOOLS" = "yes" ]; then
+        if [ "$CFG_DEBUG" = "no" ] || [ "$CFG_RELEASE_TOOLS" = "yes" ]; then
            setBootstrapVariable QMAKE_CFLAGS_RELEASE
            setBootstrapVariable QMAKE_CXXFLAGS_RELEASE
            EXTRA_CFLAGS="$EXTRA_CFLAGS \$(QMAKE_CFLAGS_RELEASE)"
@ -3938,12 +3954,6 @@ if true; then ###[ '!' -f "$outpath/bin/qmake" ];
            EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS \$(QMAKE_CXXFLAGS_DEBUG)"
        fi

-        if [ -n "$RPATH_FLAGS" ] && [ -n "`getQMakeConf 'QMAKE_(LFLAGS_)?RPATH'`" ]; then
-            setBootstrapVariable "QMAKE_(LFLAGS_)?RPATH" QMAKE_LFLAGS_RPATH
-            for rpath in $RPATH_FLAGS; do
-                EXTRA_LFLAGS="\$(QMAKE_LFLAGS_RPATH)\"$rpath\" $EXTRA_LFLAGS"
-            done
-        fi
        case `basename "$PLATFORM"` in
        win32-g++*)
            EXTRA_CFLAGS="$EXTRA_CFLAGS -DUNICODE"
@ -3994,9 +4004,6 @@ if true; then ###[ '!' -f "$outpath/bin/qmake" ];
                        \"\$(SOURCE_PATH)/src/corelib/kernel/qcore_mac.cpp\" \
                        \"\$(SOURCE_PATH)/src/corelib/kernel/qcore_mac_objc.mm\""
        fi
-        if [ '!' -z "$D_FLAGS" ]; then
-            EXTRA_CFLAGS="$EXTRA_CFLAGS $D_FLAGS"
-        fi

        echo >>"$mkfile"
 	adjrelpath=`echo "$relpath" | sed 's/ /\\\\\\\\ /g'`
@ -4225,6 +4232,7 @@ compileTest()
    if [ "$CFG_SHARED" = "no" ]; then
        test_config="$QMAKE_CONFIG static"
    fi
+    echo $ECHO_N "checking for $name... $ECHO_C"
    "$unixtests/compile.test" "$XQMAKESPEC" "$test_config" $OPT_VERBOSE "$relpath" "$outpath" "$path" "$name" "$CFG_QMAKE_PATH" "$QTCONFFILE" $I_FLAGS $D_FLAGS $L_FLAGS "$@"
 }

@ -5437,6 +5445,7 @@ if [ "$CFG_OPENGL" = "es2" ]; then
 fi

 # auto-detect FontConfig support
+ORIG_CFG_FREETYPE="$CFG_FREETYPE"
 if [ "$CFG_FONTCONFIG" != "no" ]; then
    if [ -n "$PKG_CONFIG" ] && $PKG_CONFIG --exists fontconfig --exists freetype2 2>/dev/null; then
        QT_CFLAGS_FONTCONFIG=`$PKG_CONFIG --cflags fontconfig --cflags freetype2 2>/dev/null`
@ -5630,6 +5639,11 @@ if [ "$CFG_XCB" != "no" ]; then

        if [ "$CFG_XCB" = "qt" ]; then
            QT_CONFIG="$QT_CONFIG xcb-qt"
+
+            if compileTest qpa/xcb-glx "xcb-glx" $QMAKE_CFLAGS_XCB $QMAKE_LIBS_XCB; then
+                CFG_XCB_GLX=yes
+                QT_CONFIG="$QT_CONFIG xcb-glx"
+            fi
        else
            CFG_XCB="system"
            if [ -n "$PKG_CONFIG" ] && $PKG_CONFIG --exists "xcb >= 1.5" 2>/dev/null; then
@ -6439,7 +6453,11 @@ fi
 [ "$CFG_STACK_PROTECTOR_STRONG" = "yes" ] && QT_CONFIG="$QT_CONFIG stack-protector-strong"
 [ "$CFG_REDUCE_RELOCATIONS" = "yes" ] && QT_CONFIG="$QT_CONFIG reduce_relocations"
 [ "$CFG_STRIP" = "no" ] && QMAKE_CONFIG="$QMAKE_CONFIG nostrip"
-[ "$CFG_PRECOMPILE" = "yes" ] && QMAKE_CONFIG="$QMAKE_CONFIG precompile_header"
+if testXConfig precompile_header; then
+    [ "$CFG_PRECOMPILE" = "no" ] && QMakeVar del CONFIG precompile_header
+else
+    [ "$CFG_PRECOMPILE" = "yes" ] && QMAKE_CONFIG="$QMAKE_CONFIG precompile_header"
+fi
 [ "$CFG_USE_GOLD_LINKER" = "yes" ] && QMAKE_CONFIG="$QMAKE_CONFIG use_gold_linker"
 [ "$CFG_ENABLE_NEW_DTAGS" = "yes" ] && QMAKE_CONFIG="$QMAKE_CONFIG enable_new_dtags"
 if [ "$CFG_SEPARATE_DEBUG_INFO" = "yes" ]; then
@ -7536,6 +7554,15 @@ if [ "$CFG_SHARED" = "no" ]; then
    echo "loaded plugins. Make sure to import all needed static plugins,"
    echo "or compile needed modules into the library."
 fi
+if [ "$CFG_FREETYPE" = "system" ]; then
+    if [ "$ORIG_CFG_FREETYPE" = "qt" ]; then
+        echo
+        echo "WARNING: Bundled FreeType can't be used. FontConfig use requires system FreeType."
+    elif [ "$ORIG_CFG_FREETYPE" = "no" ]; then
+        echo
+        echo "WARNING: FreeType can't be disabled. FontConfig use requires system FreeType."
+    fi
+fi
 if [ "$CFG_OPENSSL" = "linked" ] && [ "$OPENSSL_LIBS" = "" ]; then
    echo
    echo "NOTE: When linking against OpenSSL, you can override the default"
--- a/examples/corelib/mimetypes/mimetypebrowser/mimetypebrowser.pro
+++ b/examples/corelib/mimetypes/mimetypebrowser/mimetypebrowser.pro
@ -11,3 +11,6 @@ SOURCES += \
 HEADERS += \
    mimetypemodel.h \
    mainwindow.h
+
+target.path = $$[QT_INSTALL_EXAMPLES]/corelib/mimetypes/mimetypebrowser
+INSTALLS += target
--- a/examples/widgets/itemviews/dirview/main.cpp
+++ b/examples/widgets/itemviews/dirview/main.cpp
@ -51,6 +51,7 @@
 #include <QApplication>
 #include <QDesktopWidget>
 #include <QFileSystemModel>
+#include <QFileIconProvider>
 #include <QTreeView>
 #include <QCommandLineParser>
 #include <QCommandLineOption>
@ -64,6 +65,8 @@ int main(int argc, char *argv[])
    parser.setApplicationDescription("Qt Dir View Example");
    parser.addHelpOption();
    parser.addVersionOption();
+    QCommandLineOption dontUseCustomDirectoryIconsOption("c", "Set QFileIconProvider::DontUseCustomDirectoryIcons");
+    parser.addOption(dontUseCustomDirectoryIconsOption);
    parser.addPositionalArgument("directory", "The directory to start in.");
    parser.process(app);
    const QString rootPath = parser.positionalArguments().isEmpty()
@ -71,6 +74,8 @@ int main(int argc, char *argv[])

    QFileSystemModel model;
    model.setRootPath("");
+    if (parser.isSet(dontUseCustomDirectoryIconsOption))
+        model.iconProvider()->setOptions(QFileIconProvider::DontUseCustomDirectoryIcons);
    QTreeView tree;
    tree.setModel(&model);
    if (!rootPath.isEmpty()) {
--- a/mkspecs/devices/linux-imx6-g++/qmake.conf
+++ b/mkspecs/devices/linux-imx6-g++/qmake.conf
@ -1,6 +1,23 @@
 #
 # qmake configuration for the Freescale iMX6 boards (single, dual and quad)
 #
+# The configuration below is set up for running with EGL on the framebuffer via
+# the eglfs platform plugin and its eglfs_viv backend.
+
+# Wayland is also fully functional out of the box. However, when writing Wayland
+# *compositors* with Qt, the eglfs backend will have to be switched to
+# eglfs_viv_wl by setting the QT_QPA_EGLFS_INTEGRATION environment variable.
+#
+# Below is an example configure line that assumes the SDK is in
+# $HOME/imx6/toolchain. On device Qt is expected to be placed under
+# /usr/local/qt5 whereas on the host 'make install' will copy the host tools and
+# the target libraries to $HOME/imx6/qt5.
+#
+# ./configure -prefix /usr/local/qt5 -extprefix $HOME/imx6/qt5 -device linux-imx6-g++ \
+#   -device-option CROSS_COMPILE=$HOME/imx6/toolchain/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi- \
+#   -sysroot $HOME/imx6/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi \
+#   -nomake examples -nomake tests -v
+#

 include(../common/linux_device_pre.conf)

--- a/mkspecs/features/configure.prf
+++ b/mkspecs/features/configure.prf
@ -1,9 +1,7 @@
 QMAKE_MAKE = $$(MAKE)
 !isEmpty(QMAKE_MAKE) {
    # We were called recursively. Use the right make, as MAKEFLAGS may be set as well.
-} else:equals(MAKEFILE_GENERATOR, UNIX) {
-    QMAKE_MAKE = make
-} else:equals(MAKEFILE_GENERATOR, MINGW) {
+} else:if(equals(MAKEFILE_GENERATOR, UNIX)|equals(MAKEFILE_GENERATOR, MINGW)) {
    !equals(QMAKE_HOST.os, Windows): \
        QMAKE_MAKE = make
    else: \
--- a/mkspecs/features/lex.prf
+++ b/mkspecs/features/lex.prf
@ -11,9 +11,13 @@
        lex.variable_out = GENERATED_SOURCES
    }

+    isEmpty(QMAKE_LEXFLAGS_MANGLE):QMAKE_LEXFLAGS_MANGLE = -P${QMAKE_FILE_BASE}
+    QMAKE_LEXEXTRAFLAGS = $$QMAKE_LEXFLAGS
+    !yacc_no_name_mangle:QMAKE_LEXEXTRAFLAGS += $$QMAKE_LEXFLAGS_MANGLE
+
    contains(QMAKE_LEX, .*flex) {
        # GNU flex, we can use -o outfile
-        lex.commands = $$QMAKE_LEX $$QMAKE_LEXFLAGS --nounistd -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_IN}
+        lex.commands = $$QMAKE_LEX $$QMAKE_LEXEXTRAFLAGS --nounistd -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_IN}
    } else {
        # stupid POSIX lex, it only generates a file called lex.yy.c
        # or lex.prefix.c if the -P<prefix> option is active
--- a/mkspecs/features/qml_plugin.prf
+++ b/mkspecs/features/qml_plugin.prf
@ -15,8 +15,7 @@ TEMPLATE = lib
 CONFIG += plugin

 if(win32|mac):!macx-xcode {
-    contains(QT_CONFIG, debug_and_release):CONFIG += debug_and_release
-    contains(QT_CONFIG, build_all):CONFIG += build_all
+    contains(QT_CONFIG, debug_and_release): CONFIG += debug_and_release build_all
 }

 CONFIG += relative_qt_rpath  # Qt's QML plugins should be relocatable
--- a/mkspecs/features/qt_app.prf
+++ b/mkspecs/features/qt_app.prf
@ -28,7 +28,7 @@ host_build:force_bootstrap {
    }
    target.path = $$[QT_HOST_BINS]
 } else {
-    !build_pass:contains(QT_CONFIG, debug_and_release):contains(QT_CONFIG, build_all): CONFIG += release
+    !build_pass:contains(QT_CONFIG, debug_and_release): CONFIG += release
    target.path = $$[QT_INSTALL_BINS]
    CONFIG += relative_qt_rpath  # Qt's tools and apps should be relocatable
 }
--- a/mkspecs/features/qt_build_config.prf
+++ b/mkspecs/features/qt_build_config.prf
@ -71,6 +71,7 @@ CONFIG += \
    create_prl link_prl \
    prepare_docs qt_docs_targets \
    no_private_qt_headers_warning QTDIR_build \
+    qt_example_installs \
    # Qt modules get compiled without exceptions enabled by default.
    # However, testcases should be still built with exceptions.
    exceptions_off testcase_exceptions
--- a/mkspecs/features/qt_example_installs.prf
+++ b/mkspecs/features/qt_example_installs.prf
@ -100,6 +100,20 @@ probase = $$relative_path($$_PRO_FILE_PWD_, $$dirname(_QMAKE_CONF_)/examples)
        !isEmpty(allfiles): warning("remaining files in $$_PRO_FILE_PWD_: $$allfiles")
    }

+    equals(TEMPLATE, app)|equals(TEMPLATE, lib) {
+        !contains(INSTALLS, target) {
+            !install_ok: \
+                error("$$_PRO_FILE_ is lacking an install target.")
+            else: check_examples: \
+                warning("$$_PRO_FILE_ is lacking an install target.")
+        } else: !equals(target.path, $$sources.path) {
+            !install_ok: \
+                error("$$_PRO_FILE_ installs target to unexpected location.")
+            else: check_examples: \
+                warning("$$_PRO_FILE_ installs target to unexpected location.")
+        }
+    }
+
    !equals(TEMPLATE, subdirs):!compile_examples {
        TEMPLATE = aux
        CONFIG -= have_target qt staticlib dll
--- a/mkspecs/features/qt_helper_lib.prf
+++ b/mkspecs/features/qt_helper_lib.prf
@ -13,12 +13,12 @@ load(qt_build_paths)

 TEMPLATE = lib
 CONFIG -= qt
+QT =  # In case qt is re-added.

 CONFIG -= warning_clean  # Don't presume 3rd party code to be clean
 load(qt_common)

-contains(QT_CONFIG, debug_and_release): CONFIG += debug_and_release
-contains(QT_CONFIG, build_all): CONFIG += build_all
+contains(QT_CONFIG, debug_and_release): CONFIG += debug_and_release build_all

 DESTDIR = $$MODULE_BASE_OUTDIR/lib
 DLLDESTDIR = $$MODULE_BASE_OUTDIR/bin
--- a/mkspecs/features/qt_module.prf
+++ b/mkspecs/features/qt_module.prf
@ -38,7 +38,7 @@ host_build {
            QT += bootstrap-private
        }
    } else {
-        !build_pass:contains(QT_CONFIG, build_all): CONFIG += release
+        !build_pass:contains(QT_CONFIG, debug_and_release): CONFIG += release
    }
 }

@ -89,8 +89,7 @@ INCLUDEPATH *= $$eval(QT.$${MODULE}.includes) $$eval(QT.$${MODULE}_private.inclu
 # If Qt was configured with -debug-and-release then build the module the same way
 # - unless this is a host library
 !host_build:if(win32|mac):!macx-xcode {
-    contains(QT_CONFIG, debug_and_release):CONFIG += debug_and_release
-    contains(QT_CONFIG, build_all):CONFIG += build_all
+    contains(QT_CONFIG, debug_and_release): CONFIG += debug_and_release build_all
 }

 QMAKE_LFLAGS += $$QMAKE_LFLAGS_NOUNDEF
--- a/mkspecs/features/qt_module_headers.prf
+++ b/mkspecs/features/qt_module_headers.prf
@ -188,6 +188,16 @@ headersclean:!internal_module {

            !contains(QT_ARCH, arm):!contains(QT_ARCH, mips): \
                hcleanFLAGS += -Wcast-align
+
+            !clang {
+                # options accepted only by GCC
+
+                c++11 {
+                    # only enabled for actual c++11 builds due to
+                    # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52806
+                    hcleanFLAGS += -Wzero-as-null-pointer-constant
+                }
+            }
        }

        # Use strict mode C++11 or C++98, with no GNU extensions (see -pedantic-errors above).
--- a/mkspecs/features/qt_plugin.prf
+++ b/mkspecs/features/qt_plugin.prf
@ -24,10 +24,9 @@ win32:CONFIG(shared, static|shared) {
 }

 tool_plugin {
-    !build_pass:contains(QT_CONFIG, build_all): CONFIG += release
+    !build_pass:contains(QT_CONFIG, debug_and_release): CONFIG += release
 } else:if(win32|mac):!macx-xcode {
-    contains(QT_CONFIG, debug_and_release):CONFIG += debug_and_release
-    contains(QT_CONFIG, build_all):CONFIG += build_all
+    contains(QT_CONFIG, debug_and_release): CONFIG += debug_and_release build_all
 }

 CONFIG += relative_qt_rpath  # Qt's plugins should be relocatable
--- a/mkspecs/wince80colibri-armv7-msvc2012/qmake.conf
+++ b/mkspecs/wince80colibri-armv7-msvc2012/qmake.conf
@ -7,6 +7,7 @@ include(../common/wince/qmake.conf)

 CE_SDK                  = Toradex_CE800   # replace with actual SDK name
 CE_ARCH                 = ARMV7
+CE_PLATFORMNAME         = Toradex_CE800
 QT_CONFIG              -= accessibility

 DEFINES                += QT_NO_CLIPBOARD QT_NO_ACCESSIBILITY QT_NO_NATIVE_GESTURES QT_NOSTANDARDSHELL_UI_MODEL _CRT_SECURE_NO_DEPRECATE _WIN32_WCE=0x800 $$CE_ARCH _AMRV7_ armv7 _ARM_ UNDER_CE WINCE ARM QT_NO_WINCE_SHELLSDK QT_NO_WINCE_NUIOUSER
--- a/qmake/generators/win32/msvc_vcproj.cpp
+++ b/qmake/generators/win32/msvc_vcproj.cpp
@ -700,6 +700,8 @@ void VcprojGenerator::writeSubDirs(QTextStream &t)
    QString slnConf = _slnSolutionConf;
    if (!project->isEmpty("VCPROJ_ARCH")) {
        slnConf.replace(QLatin1String("|Win32"), "|" + project->first("VCPROJ_ARCH"));
+    } else if (!project->isEmpty("CE_PLATFORMNAME")) {
+        slnConf.replace(QLatin1String("|Win32"), "|" + project->first("CE_PLATFORMNAME"));
    } else if (!project->isEmpty("CE_SDK") && !project->isEmpty("CE_ARCH")) {
        QString slnPlatform = QString("|") + project->values("CE_SDK").join(' ') + " (" + project->first("CE_ARCH") + ")";
        slnConf.replace(QLatin1String("|Win32"), slnPlatform);
@ -717,6 +719,8 @@ void VcprojGenerator::writeSubDirs(QTextStream &t)
        QString xplatform = platform;
        if (!project->isEmpty("VCPROJ_ARCH")) {
            xplatform = project->first("VCPROJ_ARCH").toQString();
+        } else if (!project->isEmpty("CE_PLATFORMNAME")) {
+            xplatform = project->first("CE_PLATFORMNAME").toQString();
        } else if (!project->isEmpty("CE_SDK") && !project->isEmpty("CE_ARCH")) {
            xplatform = project->values("CE_SDK").join(' ') + " (" + project->first("CE_ARCH") + ")";
        }
@ -976,6 +980,8 @@ void VcprojGenerator::initProject()
    vcProject.Keyword = project->first("VCPROJ_KEYWORD").toQString();
    if (!project->isEmpty("VCPROJ_ARCH")) {
        vcProject.PlatformName = project->first("VCPROJ_ARCH").toQString();
+    } else if (!project->isEmpty("CE_PLATFORMNAME")) {
+        vcProject.PlatformName = project->first("CE_PLATFORMNAME").toQString();
    } else if (project->isHostBuild() || project->isEmpty("CE_SDK") || project->isEmpty("CE_ARCH")) {
        vcProject.PlatformName = (is64Bit ? "x64" : "Win32");
    } else {
@ -1060,6 +1066,8 @@ void VcprojGenerator::initConfiguration()
    conf.ConfigurationName = conf.Name;
    if (!project->isEmpty("VCPROJ_ARCH")) {
        conf.Name += "|" + project->first("VCPROJ_ARCH");
+    } else if (!project->isEmpty("CE_PLATFORMNAME")) {
+        conf.Name += "|" + project->first("CE_PLATFORMNAME");
    } else if (project->isHostBuild() || project->isEmpty("CE_SDK") || project->isEmpty("CE_ARCH")) {
        conf.Name += (is64Bit ? "|x64" : "|Win32");
    } else {
--- a/qmake/library/proitems.h
+++ b/qmake/library/proitems.h
@ -130,8 +130,9 @@ public:
    bool contains(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return indexOf(s, 0, cs) >= 0; }
    bool contains(const char *s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return indexOf(QLatin1String(s), 0, cs) >= 0; }
    bool contains(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return indexOf(c, 0, cs) >= 0; }
-    int toInt(bool *ok = 0, int base = 10) const { return toQString().toInt(ok, base); } // XXX optimize
-    short toShort(bool *ok = 0, int base = 10) const { return toQString().toShort(ok, base); } // XXX optimize
+    int toLongLong(bool *ok = 0, int base = 10) const { return toQStringRef().toLongLong(ok, base); }
+    int toInt(bool *ok = 0, int base = 10) const { return toQStringRef().toInt(ok, base); }
+    short toShort(bool *ok = 0, int base = 10) const { return toQStringRef().toShort(ok, base); }

    uint hash() const { return m_hash; }
    static uint hash(const QChar *p, int n);
--- a/qmake/library/qmakebuiltins.cpp
+++ b/qmake/library/qmakebuiltins.cpp
@ -192,9 +192,8 @@ void QMakeEvaluator::initFunctionStatics()
        statics.functions.insert(ProKey(testInits[i].name), testInits[i].func);
 }

-static bool isTrue(const ProString &_str, QString &tmp)
+static bool isTrue(const ProString &str)
 {
-    const QString &str = _str.toQString(tmp);
    return !str.compare(statics.strtrue, Qt::CaseInsensitive) || str.toInt();
 }

@ -478,9 +477,9 @@ ProStringList QMakeEvaluator::evaluateBuiltinExpand(
            } else {
                var = args[0];
                sep = args.at(1).toQString();
-                beg = args.at(2).toQString(m_tmp2).toInt();
+                beg = args.at(2).toInt();
                if (args.count() == 4)
-                    end = args.at(3).toQString(m_tmp2).toInt();
+                    end = args.at(3).toInt();
            }
        } else {
            if (args.count() != 1) {
@ -562,7 +561,7 @@ ProStringList QMakeEvaluator::evaluateBuiltinExpand(
                break;
            }
            bool ok;
-            qlonglong num = m_tmp3.toLongLong(&ok, ibase);
+            qlonglong num = args.at(0).toLongLong(&ok, ibase);
            if (!ok) {
                evalError(fL1S("format_number(): malformed number %2 for base %1.")
                          .arg(ibase).arg(m_tmp3));
@ -639,7 +638,7 @@ ProStringList QMakeEvaluator::evaluateBuiltinExpand(
            const ProStringList &var = values(map(args.at(0)));
            int start = 0, end = 0;
            if (args.count() >= 2) {
-                const QString &start_str = args.at(1).toQString(m_tmp1);
+                const ProString &start_str = args.at(1);
                start = start_str.toInt(&ok);
                if (!ok) {
                    if (args.count() == 2) {
@ -652,11 +651,11 @@ ProStringList QMakeEvaluator::evaluateBuiltinExpand(
                    }
                    if (!ok)
                        evalError(fL1S("member() argument 2 (start) '%2' invalid.")
-                                  .arg(start_str));
+                                  .arg(start_str.toQString(m_tmp1)));
                } else {
                    end = start;
                    if (args.count() == 3)
-                        end = args.at(2).toQString(m_tmp1).toInt(&ok);
+                        end = args.at(2).toInt(&ok);
                    if (!ok)
                        evalError(fL1S("member() argument 3 (end) '%2' invalid.")
                                  .arg(args.at(2).toQString(m_tmp1)));
@ -904,7 +903,7 @@ ProStringList QMakeEvaluator::evaluateBuiltinExpand(
        } else {
            bool recursive = false;
            if (args.count() == 2)
-                recursive = isTrue(args.at(1), m_tmp2);
+                recursive = isTrue(args.at(1));
            QStringList dirs;
            QString r = m_option->expandEnvVars(args.at(0).toQString(m_tmp1))
                        .replace(QLatin1Char('\\'), QLatin1Char('/'));
@ -1292,7 +1291,7 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinConditional(
            return ReturnFalse;
        }
        int cnt = values(map(args.at(0))).count();
-        int val = args.at(1).toQString(m_tmp1).toInt();
+        int val = args.at(1).toInt();
        if (args.count() == 3) {
            const ProString &comp = args.at(2);
            if (comp == QLatin1String(">") || comp == QLatin1String("greaterThan")) {
@ -1403,7 +1402,7 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinConditional(
            flags = LoadSilent;
        if (args.count() >= 2) {
            parseInto = args.at(1).toQString(m_tmp2);
-            if (args.count() >= 3 && isTrue(args.at(2), m_tmp3))
+            if (args.count() >= 3 && isTrue(args.at(2)))
                flags = LoadSilent;
        }
        QString fn = resolvePath(m_option->expandEnvVars(args.at(0).toQString(m_tmp1)));
@ -1441,7 +1440,7 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinConditional(
    case T_LOAD: {
        bool ignore_error = false;
        if (args.count() == 2) {
-            ignore_error = isTrue(args.at(1), m_tmp2);
+            ignore_error = isTrue(args.at(1));
        } else if (args.count() != 1) {
            evalError(fL1S("load(feature) requires one or two arguments."));
            return ReturnFalse;
--- a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
+++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
@ -2618,12 +2618,15 @@ bool Renderer11::getShareHandleSupport() const
        return false;
    }

+    // Qt: we don't care about the 9_3 limitation
+#if 0
    // Also disable share handles on Feature Level 9_3, since it doesn't support share handles on RGBA8 textures/swapchains.
    if (mRenderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3)
    {
        mSupportsShareHandles = false;
        return false;
    }
+#endif

    // Find out which type of D3D11 device the Renderer11 is using
    d3d11::ANGLED3D11DeviceType deviceType = getDeviceType();
--- a/src/3rdparty/angle/src/libANGLE/validationEGL.cpp
+++ b/src/3rdparty/angle/src/libANGLE/validationEGL.cpp
@ -642,11 +642,14 @@ Error ValidateCreatePbufferFromClientBuffer(Display *display, EGLenum buftype, E
            return Error(EGL_BAD_ATTRIBUTE);
        }

+// On Windows Store, we know the originating texture came from D3D11, so bypass this check
+#if !defined(ANGLE_ENABLE_WINDOWS_STORE)
        const Caps &caps = display->getCaps();
        if (textureFormat != EGL_NO_TEXTURE && !caps.textureNPOT && (!gl::isPow2(width) || !gl::isPow2(height)))
        {
            return Error(EGL_BAD_MATCH);
        }
+#endif
    }

    return Error(EGL_SUCCESS);
--- a/src/3rdparty/freetype/freetype.pro
+++ b/src/3rdparty/freetype/freetype.pro
@ -64,10 +64,10 @@ win32 {
 INCLUDEPATH += $$PWD/include

 DEFINES += FT2_BUILD_LIBRARY
-contains(QT_CONFIG, system-zlib) {
-    DEFINES += FT_CONFIG_OPTION_SYSTEM_ZLIB
-    include($$PWD/../zlib_dependency.pri)
-}
+
+DEFINES += FT_CONFIG_OPTION_SYSTEM_ZLIB
+include(../zlib_dependency.pri)
+
 contains(QT_CONFIG, system-png) {
    DEFINES += FT_CONFIG_OPTION_USE_PNG
    include($$PWD/../png_dependency.pri)
--- a/src/3rdparty/zlib_dependency.pri
+++ b/src/3rdparty/zlib_dependency.pri
@ -7,4 +7,8 @@ contains(QT_CONFIG, system-zlib) {
    }
 } else {
    INCLUDEPATH +=  $$PWD/zlib
+    !no_core_dep {
+        CONFIG += qt
+        QT_PRIVATE += core
+    }
 }
--- a/src/angle/patches/0010-ANGLE-fixed-usage-of-shared-handles-for-WinRT-WinPho.patch
+++ b/src/angle/patches/0010-ANGLE-fixed-usage-of-shared-handles-for-WinRT-WinPho.patch
@ -0,0 +1,57 @@
+From 5cacddc702624d64a4917a7a704dbbb92aeba53c Mon Sep 17 00:00:00 2001
+From: Oliver Wolff <oliver.wolff@qt.io>
+Date: Thu, 19 May 2016 10:55:46 +0200
+Subject: [PATCH] ANGLE: fixed usage of shared handles for WinRT/WinPhone
+ applications
+
+Both checks are not relevant in Qt's context and were skipped before but
+they sneaked back in with the latest ANGLE update.
+
+Change-Id: Ic44de5468a3254afd76ef4804d97d245676daeb1
+---
+ src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp | 3 +++
+ src/3rdparty/angle/src/libANGLE/validationEGL.cpp                 | 3 +++
+ 2 files changed, 6 insertions(+)
+
+diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
+index 62badcc..0173311 100644
+--- a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
+++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
+@@ -2618,12 +2618,15 @@ bool Renderer11::getShareHandleSupport() const
+         return false;
+     }
+ 
+    // Qt: we don't care about the 9_3 limitation
+#if 0
+     // Also disable share handles on Feature Level 9_3, since it doesn't support share handles on RGBA8 textures/swapchains.
+     if (mRenderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3)
+     {
+         mSupportsShareHandles = false;
+         return false;
+     }
+#endif
+ 
+     // Find out which type of D3D11 device the Renderer11 is using
+     d3d11::ANGLED3D11DeviceType deviceType = getDeviceType();
+diff --git a/src/3rdparty/angle/src/libANGLE/validationEGL.cpp b/src/3rdparty/angle/src/libANGLE/validationEGL.cpp
+index 972f6a7..903f51b 100644
+--- a/src/3rdparty/angle/src/libANGLE/validationEGL.cpp
+++ b/src/3rdparty/angle/src/libANGLE/validationEGL.cpp
+@@ -642,11 +642,14 @@ Error ValidateCreatePbufferFromClientBuffer(Display *display, EGLenum buftype, E
+             return Error(EGL_BAD_ATTRIBUTE);
+         }
+ 
+// On Windows Store, we know the originating texture came from D3D11, so bypass this check
+#if !defined(ANGLE_ENABLE_WINDOWS_STORE)
+         const Caps &caps = display->getCaps();
+         if (textureFormat != EGL_NO_TEXTURE && !caps.textureNPOT && (!gl::isPow2(width) || !gl::isPow2(height)))
+         {
+             return Error(EGL_BAD_MATCH);
+         }
+#endif
+     }
+ 
+     return Error(EGL_SUCCESS);
+-- 
+2.7.0.windows.1
+
--- a/src/angle/patches/0011-ANGLE-Disable-support-for-shared-handles-in-warp-mod.patch
+++ b/src/angle/patches/0011-ANGLE-Disable-support-for-shared-handles-in-warp-mod.patch
@ -0,0 +1,44 @@
+From db13a9cf7e41207660f080827983655864df802d Mon Sep 17 00:00:00 2001
+From: Oliver Wolff <oliver.wolff@qt.io>
+Date: Wed, 11 May 2016 13:51:54 +0200
+Subject: [PATCH] ANGLE: Disable support for shared handles in warp mode on
+ Windows < 8
+
+Shared handles are not supported on Windows 7 and below. If the
+according flag is set CreateTexture2D will fail with E_OUTOFMEMORY. The
+check already happens with newer ANGLE versions, which we use in 5.7
+but has to happen here as well. Otherwise Qt applications running on
+Windows 7 and below will crash at startup.
+
+Change-Id: I8f539f16dce298611fb1ec7b2f6804d4a04d04e0
+---
+ .../angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp    | 13 +++++++++++++
+ 1 file changed, 13 insertions(+)
+
+diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
+index 223e2b0..dd554f4 100644
+--- a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
+++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
+@@ -2370,6 +2370,19 @@ unsigned int Renderer11::getReservedFragmentUniformBuffers() const
+ 
+ bool Renderer11::getShareHandleSupport() const
+ {
+    if (mDriverType == D3D_DRIVER_TYPE_WARP)
+    {
+#if !defined(ANGLE_ENABLE_WINDOWS_STORE)
+        // Warp mode does not support shared handles in Windows versions below Windows 8
+        OSVERSIONINFO result = { sizeof(OSVERSIONINFO), 0, 0, 0, 0, {'\0'}};
+        if (GetVersionEx(&result) &&
+                ((result.dwMajorVersion == 6 && result.dwMinorVersion < 2) || result.dwMajorVersion < 6))
+        {
+            // WARP on Windows 7 doesn't support shared handles
+            return false;
+        }
+#endif  // ANGLE_ENABLE_WINDOWS_STORE
+    }
+     // We only currently support share handles with BGRA surfaces, because
+     // chrome needs BGRA. Once chrome fixes this, we should always support them.
+     // PIX doesn't seem to support using share handles, so disable them.
+-- 
+2.7.0.windows.1
+
--- a/src/concurrent/doc/qtconcurrent.qdocconf
+++ b/src/concurrent/doc/qtconcurrent.qdocconf
@ -4,7 +4,7 @@ project                 = QtConcurrent
 description             = Qt Concurrent Reference Documentation
 version                 = $QT_VERSION

-examplesinstallpath     = qtbase/qtconcurrent
+examplesinstallpath     = qtconcurrent

 qhp.projects            = QtConcurrent

--- a/src/corelib/doc/qtcore.qdocconf
+++ b/src/corelib/doc/qtcore.qdocconf
@ -4,7 +4,7 @@ project                 = QtCore
 description             = Qt Core Reference Documentation
 version                 = $QT_VERSION

-examplesinstallpath     = qtbase/corelib
+examplesinstallpath     = corelib

 qhp.projects            = QtCore

--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@ -61,6 +61,9 @@
 #include <QtCore/qfeatures.h>
 #endif

+// The QT_SUPPORTS macro is deprecated. Don't use it in new code.
+// Instead, use #ifdef/ndef QT_NO_feature.
+// ### Qt6: remove macro
 #ifdef _MSC_VER
 #  define QT_SUPPORTS(FEATURE) (!defined QT_NO_##FEATURE)
 #else
--- a/src/corelib/global/qlogging.cpp
+++ b/src/corelib/global/qlogging.cpp
@ -54,6 +54,7 @@
 #include "qthread.h"
 #include "private/qloggingregistry_p.h"
 #include "private/qcoreapplication_p.h"
+#include "private/qsimd_p.h"
 #endif
 #ifdef Q_OS_WIN
 #include <qt_windows.h>
@ -1193,6 +1194,89 @@ void QMessagePattern::setPattern(const QString &pattern)
    memcpy(literals, literalsVar.constData(), literalsVar.size() * sizeof(const char*));
 }

+#if defined(QLOGGING_HAVE_BACKTRACE) && !defined(QT_BOOTSTRAPPED)
+// make sure the function has "Message" in the name so the function is removed
+
+#if (defined(Q_CC_GNU) && defined(QT_COMPILER_SUPPORTS_SIMD_ALWAYS)) || QT_HAS_ATTRIBUTE(optimize)
+// force skipping the frame pointer, to save the backtrace() function some work
+__attribute__((optimize("omit-frame-pointer")))
+#endif
+static QStringList backtraceFramesForLogMessage(int frameCount)
+{
+    QStringList result;
+    if (frameCount == 0)
+        return result;
+
+    // The results of backtrace_symbols looks like this:
+    //    /lib/libc.so.6(__libc_start_main+0xf3) [0x4a937413]
+    // The offset and function name are optional.
+    // This regexp tries to extract the library name (without the path) and the function name.
+    // This code is protected by QMessagePattern::mutex so it is thread safe on all compilers
+    static QRegularExpression rx(QStringLiteral("^(?:[^(]*/)?([^(/]+)\\(([^+]*)(?:[\\+[a-f0-9x]*)?\\) \\[[a-f0-9x]*\\]$"),
+                                 QRegularExpression::OptimizeOnFirstUsageOption);
+
+    QVarLengthArray<void*, 32> buffer(7 + frameCount);
+    int n = backtrace(buffer.data(), buffer.size());
+    if (n > 0) {
+        int numberPrinted = 0;
+        for (int i = 0; i < n && numberPrinted < frameCount; ++i) {
+            QScopedPointer<char*, QScopedPointerPodDeleter> strings(backtrace_symbols(buffer.data() + i, 1));
+            QString trace = QString::fromLatin1(strings.data()[0]);
+            QRegularExpressionMatch m = rx.match(trace);
+            if (m.hasMatch()) {
+                QString library = m.captured(1);
+                QString function = m.captured(2);
+
+                // skip the trace from QtCore that are because of the qDebug itself
+                if (!numberPrinted && library.contains(QLatin1String("Qt5Core"))
+                        && (function.isEmpty() || function.contains(QLatin1String("Message"), Qt::CaseInsensitive)
+                            || function.contains(QLatin1String("QDebug")))) {
+                    continue;
+                }
+
+                if (function.startsWith(QLatin1String("_Z"))) {
+                    QScopedPointer<char, QScopedPointerPodDeleter> demangled(
+                                abi::__cxa_demangle(function.toUtf8(), 0, 0, 0));
+                    if (demangled)
+                        function = QString::fromUtf8(qCleanupFuncinfo(demangled.data()));
+                }
+
+                if (function.isEmpty()) {
+                    result.append(QLatin1Char('?') + library + QLatin1Char('?'));
+                } else {
+                    result.append(function);
+                }
+            } else {
+                if (numberPrinted == 0) {
+                    // innermost, unknown frames are usually the logging framework itself
+                    continue;
+                }
+                result.append(QStringLiteral("???"));
+            }
+            numberPrinted++;
+        }
+    }
+    return result;
+}
+
+static QString formatBacktraceForLogMessage(const QMessagePattern::BacktraceParams backtraceParams,
+                                            const char *function)
+{
+    QString backtraceSeparator = backtraceParams.backtraceSeparator;
+    int backtraceDepth = backtraceParams.backtraceDepth;
+
+    QStringList frames = backtraceFramesForLogMessage(backtraceDepth);
+    if (frames.isEmpty())
+        return QString();
+
+    // if the first frame is unknown, replace it with the context function
+    if (function && frames.at(0).startsWith(QLatin1Char('?')))
+        frames[0] = QString::fromUtf8(qCleanupFuncinfo(function));
+
+    return frames.join(backtraceSeparator);
+}
+#endif // QLOGGING_HAVE_BACKTRACE && !QT_BOOTSTRAPPED
+
 #if defined(QT_USE_SLOG2)
 #ifndef QT_LOG_CODE
 #define QT_LOG_CODE 9000
@ -1336,62 +1420,8 @@ QString qFormatLogMessage(QtMsgType type, const QMessageLogContext &context, con
 #ifdef QLOGGING_HAVE_BACKTRACE
        } else if (token == backtraceTokenC) {
            QMessagePattern::BacktraceParams backtraceParams = pattern->backtraceArgs.at(backtraceArgsIdx);
-            QString backtraceSeparator = backtraceParams.backtraceSeparator;
-            int backtraceDepth = backtraceParams.backtraceDepth;
            backtraceArgsIdx++;
-            QVarLengthArray<void*, 32> buffer(7 + backtraceDepth);
-            int n = backtrace(buffer.data(), buffer.size());
-            if (n > 0) {
-                int numberPrinted = 0;
-                for (int i = 0; i < n && numberPrinted < backtraceDepth; ++i) {
-                    QScopedPointer<char*, QScopedPointerPodDeleter> strings(backtrace_symbols(buffer.data() + i, 1));
-                    QString trace = QString::fromLatin1(strings.data()[0]);
-                    // The results of backtrace_symbols looks like this:
-                    //    /lib/libc.so.6(__libc_start_main+0xf3) [0x4a937413]
-                    // The offset and function name are optional.
-                    // This regexp tries to extract the librry name (without the path) and the function name.
-                    // This code is protected by QMessagePattern::mutex so it is thread safe on all compilers
-                    static QRegularExpression rx(QStringLiteral("^(?:[^(]*/)?([^(/]+)\\(([^+]*)(?:[\\+[a-f0-9x]*)?\\) \\[[a-f0-9x]*\\]$"),
-                                                 QRegularExpression::OptimizeOnFirstUsageOption);
-
-                    QRegularExpressionMatch m = rx.match(trace);
-                    if (m.hasMatch()) {
-                        // skip the trace from QtCore that are because of the qDebug itself
-                        QString library = m.captured(1);
-                        QString function = m.captured(2);
-                        if (!numberPrinted && library.contains(QLatin1String("Qt5Core"))
-                            && (function.isEmpty() || function.contains(QLatin1String("Message"), Qt::CaseInsensitive)
-                                || function.contains(QLatin1String("QDebug")))) {
-                            continue;
-                        }
-
-                        if (function.startsWith(QLatin1String("_Z"))) {
-                            QScopedPointer<char, QScopedPointerPodDeleter> demangled(
-                                abi::__cxa_demangle(function.toUtf8(), 0, 0, 0));
-                            if (demangled)
-                                function = QString::fromUtf8(qCleanupFuncinfo(demangled.data()));
-                        }
-
-                        if (numberPrinted > 0)
-                            message.append(backtraceSeparator);
-
-                        if (function.isEmpty()) {
-                            if (numberPrinted == 0 && context.function)
-                                message += QString::fromUtf8(qCleanupFuncinfo(context.function));
-                            else
-                                message += QLatin1Char('?') + library + QLatin1Char('?');
-                        } else {
-                            message += function;
-                        }
-
-                    } else {
-                        if (numberPrinted == 0)
-                            continue;
-                        message += backtraceSeparator + QLatin1String("???");
-                    }
-                    numberPrinted++;
-                }
-            }
+            message.append(formatBacktraceForLogMessage(backtraceParams, context.function));
 #endif
        } else if (token == timeTokenC) {
            QString timeFormat = pattern->timeArgs.at(timeArgsIdx);
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@ -508,6 +508,7 @@ public:
        AA_UseStyleSheetPropagationInWidgetStyles = 22, // ### Qt 6: remove me
        AA_DontUseNativeDialogs = 23,
        AA_SynthesizeMouseForUnhandledTabletEvents = 24,
+        AA_CompressHighFrequencyEvents = 25,

        // Add new attributes before this line
        AA_AttributeCount
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@ -239,6 +239,17 @@
           to mouse events instead. This attribute is enabled
           by default. This value has been added in Qt 5.7.

+    \value AA_CompressHighFrequencyEvents Enables compression of certain frequent events.
+           On the X11 windowing system, the default value is true, which means that
+           QEvent::MouseMove, QEvent::TouchUpdate, and changes in window size and
+           position will be combined whenever they occur more frequently than the
+           application handles them, so that they don't accumulate and overwhelm the
+           application later. On other platforms, the default is false.
+           (In the future, the compression feature may be implemented across platforms.)
+           You can test the attribute to see whether compression is enabled.
+           If your application needs to handle all events with no compression,
+           you can unset this attribute. This value has been added in Qt 5.7.
+
    The following values are obsolete:

    \value AA_ImmediateWidgetCreation This attribute is no longer fully
--- a/src/corelib/global/qprocessordetection.h
+++ b/src/corelib/global/qprocessordetection.h
@ -107,7 +107,7 @@
 #    define Q_PROCESSOR_ARM __TARGET_ARCH_ARM
 #  elif defined(_M_ARM) && _M_ARM > 1
 #    define Q_PROCESSOR_ARM _M_ARM
-#  elif defined(__ARM64_ARCH_8__)
+#  elif defined(__ARM64_ARCH_8__) || defined(__aarch64__)
 #    define Q_PROCESSOR_ARM 8
 #  elif defined(__ARM_ARCH_7__) \
      || defined(__ARM_ARCH_7A__) \
--- a/src/corelib/io/qfilesystemengine_win.cpp
+++ b/src/corelib/io/qfilesystemengine_win.cpp
@ -885,7 +885,9 @@ static bool tryDriveUNCFallback(const QFileSystemEntry &fname, QFileSystemMetaDa
 #if !defined(Q_OS_WINCE) && !defined(Q_OS_WINRT)
    if (fname.isDriveRoot()) {
        // a valid drive ??
+        const UINT oldErrorMode = ::SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
        DWORD drivesBitmask = ::GetLogicalDrives();
+        ::SetErrorMode(oldErrorMode);
        int drivebit = 1 << (fname.filePath().at(0).toUpper().unicode() - QLatin1Char('A').unicode());
        if (drivesBitmask & drivebit) {
            fileAttrib = FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM;
--- a/src/corelib/io/qfsfileengine_win.cpp
+++ b/src/corelib/io/qfsfileengine_win.cpp
@ -632,7 +632,9 @@ QFileInfoList QFSFileEngine::drives()
    QFileInfoList ret;
 #if !defined(Q_OS_WINCE) && !defined(Q_OS_WINRT)
 #if defined(Q_OS_WIN32)
+    const UINT oldErrorMode = ::SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
    quint32 driveBits = (quint32) GetLogicalDrives() & 0x3ffffff;
+    ::SetErrorMode(oldErrorMode);
 #endif
    char driveName[] = "A:/";

--- a/src/corelib/io/qstorageinfo_unix.cpp
+++ b/src/corelib/io/qstorageinfo_unix.cpp
@ -108,25 +108,6 @@

 QT_BEGIN_NAMESPACE

-static bool isPseudoFs(const QString &mountDir, const QByteArray &type)
-{
-    if (mountDir.startsWith(QLatin1String("/dev"))
-        || mountDir.startsWith(QLatin1String("/proc"))
-        || mountDir.startsWith(QLatin1String("/sys"))
-        || mountDir.startsWith(QLatin1String("/var/run"))
-        || mountDir.startsWith(QLatin1String("/var/lock"))) {
-        return true;
-    }
-    if (type == "tmpfs")
-        return true;
-#if defined(Q_OS_LINUX)
-    if (type == "rootfs" || type == "rpc_pipefs")
-        return true;
-#endif
-
-    return false;
-}
-
 class QStorageIterator
 {
 public:
@ -164,6 +145,39 @@ private:
 #endif
 };

+template <typename String>
+static bool isParentOf(const String &parent, const QString &dirName)
+{
+    return dirName.startsWith(parent) &&
+            (dirName.size() == parent.size() || dirName.at(parent.size()) == QLatin1Char('/') ||
+             parent.size() == 1);
+}
+
+static bool isPseudoFs(const QStorageIterator &it)
+{
+    QString mountDir = it.rootPath();
+    if (isParentOf(QLatin1String("/dev"), mountDir)
+        || isParentOf(QLatin1String("/proc"), mountDir)
+        || isParentOf(QLatin1String("/sys"), mountDir)
+        || isParentOf(QLatin1String("/var/run"), mountDir)
+        || isParentOf(QLatin1String("/var/lock"), mountDir)) {
+        return true;
+    }
+
+    QByteArray type = it.fileSystemType();
+    if (type == "tmpfs")
+        return false;
+#if defined(Q_OS_LINUX)
+    if (type == "rootfs" || type == "rpc_pipefs")
+        return true;
+#endif
+
+    if (!it.device().startsWith('/'))
+        return true;
+
+    return false;
+}
+
 #if defined(Q_OS_BSD4)

 inline QStorageIterator::QStorageIterator()
@ -450,10 +464,8 @@ void QStorageInfoPrivate::initRootPath()
    while (it.next()) {
        const QString mountDir = it.rootPath();
        const QByteArray fsName = it.fileSystemType();
-        if (isPseudoFs(mountDir, fsName))
-            continue;
        // we try to find most suitable entry
-        if (oldRootPath.startsWith(mountDir) && maxLength < mountDir.length()) {
+        if (isParentOf(mountDir, oldRootPath) && maxLength < mountDir.length()) {
            maxLength = mountDir.length();
            rootPath = mountDir;
            device = it.device();
@ -467,11 +479,14 @@ static inline QString retrieveLabel(const QByteArray &device)
 #ifdef Q_OS_LINUX
    static const char pathDiskByLabel[] = "/dev/disk/by-label";

+    QFileInfo devinfo(QFile::decodeName(device));
+    QString devicePath = devinfo.canonicalFilePath();
+
    QDirIterator it(QLatin1String(pathDiskByLabel), QDir::NoDotAndDotDot);
    while (it.hasNext()) {
        it.next();
        QFileInfo fileInfo(it.fileInfo());
-        if (fileInfo.isSymLink() && fileInfo.symLinkTarget().toLocal8Bit() == device)
+        if (fileInfo.isSymLink() && fileInfo.symLinkTarget() == devicePath)
            return fileInfo.fileName();
    }
 #elif defined Q_OS_HAIKU
@ -542,11 +557,10 @@ QList<QStorageInfo> QStorageInfoPrivate::mountedVolumes()
    QList<QStorageInfo> volumes;

    while (it.next()) {
-        const QString mountDir = it.rootPath();
-        const QByteArray fsName = it.fileSystemType();
-        if (isPseudoFs(mountDir, fsName))
+        if (isPseudoFs(it))
            continue;

+        const QString mountDir = it.rootPath();
        volumes.append(QStorageInfo(mountDir));
    }

--- a/src/corelib/itemmodels/qabstractitemmodel.cpp
+++ b/src/corelib/itemmodels/qabstractitemmodel.cpp
@ -3690,7 +3690,7 @@ bool QAbstractListModel::dropMimeData(const QMimeData *data, Qt::DropAction acti
    \fn QAbstractItemModel::modelAboutToBeReset()
    \since 4.2

-    This signal is emitted when reset() is called, before the model's internal
+    This signal is emitted when beginResetModel() is called, before the model's internal
    state (e.g. persistent model indexes) has been invalidated.

    \sa beginResetModel(), modelReset()
@ -3700,7 +3700,7 @@ bool QAbstractListModel::dropMimeData(const QMimeData *data, Qt::DropAction acti
    \fn QAbstractItemModel::modelReset()
    \since 4.1

-    This signal is emitted when reset() or endResetModel() is called, after the
+    This signal is emitted when endResetModel() is called, after the
    model's internal state (e.g. persistent model indexes) has been invalidated.

    Note that if a model is reset it should be considered that all information
--- a/src/corelib/kernel/qvariant.cpp
+++ b/src/corelib/kernel/qvariant.cpp
@ -945,6 +945,26 @@ static bool convert(const QVariant::Private *d, int t, void *result, bool *ok)
            }
        }
 #endif
+        if (QMetaType::typeFlags(t) & QMetaType::IsEnumeration) {
+            qlonglong value = qConvertToNumber(d, ok);
+            if (*ok) {
+                switch (QMetaType::sizeOf(t)) {
+                case 1:
+                    *static_cast<signed char *>(result) = value;
+                    return true;
+                case 2:
+                    *static_cast<qint16 *>(result) = value;
+                    return true;
+                case 4:
+                    *static_cast<qint32 *>(result) = value;
+                    return true;
+                case 8:
+                    *static_cast<qint64 *>(result) = value;
+                    return true;
+                }
+            }
+            return *ok;
+        }
        return false;
    }
    return true;
@ -2819,7 +2839,7 @@ static const quint32 qCanConvertMatrix[QVariant::LastCoreType + 1] =

 /*Int*/           1 << QVariant::UInt       | 1 << QVariant::String     | 1 << QVariant::Double
                | 1 << QVariant::Bool       | 1 << QVariant::LongLong   | 1 << QVariant::ULongLong
-                | 1 << QVariant::Char       | 1 << QVariant::ByteArray,
+                | 1 << QVariant::Char       | 1 << QVariant::ByteArray  | 1 << QVariant::Int,

 /*UInt*/          1 << QVariant::Int        | 1 << QVariant::String     | 1 << QVariant::Double
                | 1 << QVariant::Bool       | 1 << QVariant::LongLong   | 1 << QVariant::ULongLong
--- a/src/corelib/thread/qbasicatomic.h
+++ b/src/corelib/thread/qbasicatomic.h
@ -232,8 +232,8 @@ public:

    AtomicType _q_value;

-    Type load() const Q_DECL_NOTHROW { return _q_value; }
-    void store(Type newValue) Q_DECL_NOTHROW { _q_value = newValue; }
+    Type load() const Q_DECL_NOTHROW { return Ops::load(_q_value); }
+    void store(Type newValue) Q_DECL_NOTHROW { Ops::store(_q_value, newValue); }
    operator Type() const Q_DECL_NOTHROW { return loadAcquire(); }
    Type operator=(Type newValue) Q_DECL_NOTHROW { storeRelease(newValue); return newValue; }

--- a/src/corelib/tools/qarraydata.cpp
+++ b/src/corelib/tools/qarraydata.cpp
@ -71,7 +71,7 @@ QArrayData *QArrayData::allocate(size_t objectSize, size_t alignment,

    // Don't allocate empty headers
    if (!(options & RawData) && !capacity) {
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
        if (options & Unsharable)
            return const_cast<QArrayData *>(&qt_array_unsharable_empty);
 #endif
@ -116,7 +116,7 @@ QArrayData *QArrayData::allocate(size_t objectSize, size_t alignment,
        quintptr data = (quintptr(header) + sizeof(QArrayData) + alignment - 1)
                & ~(alignment - 1);

-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
        header->ref.atomic.store(bool(!(options & Unsharable)));
 #else
        header->ref.atomic.store(1);
@ -138,7 +138,7 @@ void QArrayData::deallocate(QArrayData *data, size_t objectSize,
            && !(alignment & (alignment - 1)));
    Q_UNUSED(objectSize) Q_UNUSED(alignment)

-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    if (data == &qt_array_unsharable_empty)
        return;
 #endif
--- a/src/corelib/tools/qarraydata.h
+++ b/src/corelib/tools/qarraydata.h
@ -78,7 +78,7 @@ struct Q_CORE_EXPORT QArrayData

    enum AllocationOption {
        CapacityReserved    = 0x1,
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
        Unsharable          = 0x2,
 #endif
        RawData             = 0x4,
@ -255,7 +255,7 @@ struct QTypedArrayData
        return allocate(/* capacity */ 0);
    }

-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    static QTypedArrayData *unsharableEmpty()
    {
        Q_STATIC_ASSERT(sizeof(QTypedArrayData) == sizeof(QArrayData));
--- a/src/corelib/tools/qarraydatapointer.h
+++ b/src/corelib/tools/qarraydatapointer.h
@ -133,7 +133,7 @@ public:
        return (!d->isMutable() || d->ref.isShared());
    }

-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    void setSharable(bool sharable)
    {
        if (needsDetach()) {
--- a/src/corelib/tools/qcontiguouscache.h
+++ b/src/corelib/tools/qcontiguouscache.h
@ -102,7 +102,7 @@ public:

    inline void detach() { if (d->ref.load() != 1) detach_helper(); }
    inline bool isDetached() const { return d->ref.load() == 1; }
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    inline void setSharable(bool sharable) { if (!sharable) detach(); d->sharable = sharable; }
 #endif

--- a/src/corelib/tools/qelapsedtimer_unix.cpp
+++ b/src/corelib/tools/qelapsedtimer_unix.cpp
@ -38,9 +38,6 @@
 **
 ****************************************************************************/

-// ask for the latest POSIX, just in case
-#define _POSIX_C_SOURCE 200809L
-
 #include "qelapsedtimer.h"
 #if defined(Q_OS_VXWORKS)
 #include "qfunctions_vxworks.h"
--- a/src/corelib/tools/qhash.h
+++ b/src/corelib/tools/qhash.h
@ -272,7 +272,7 @@ public:

    inline void detach() { if (d->ref.isShared()) detach_helper(); }
    inline bool isDetached() const { return !d->ref.isShared(); }
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    inline void setSharable(bool sharable) { if (!sharable) detach(); if (d != &QHashData::shared_null) d->sharable = sharable; }
 #endif
    bool isSharedWith(const QHash &other) const { return d == other.d; }
@ -1092,9 +1092,6 @@ Q_INLINE_TEMPLATE int QMultiHash<Key, T>::count(const Key &key, const T &value)
    return n;
 }

-Q_CORE_EXPORT int qGlobalQHashSeed();
-Q_CORE_EXPORT void qSetGlobalQHashSeed(int newSeed);
-
 Q_DECLARE_ASSOCIATIVE_ITERATOR(Hash)
 Q_DECLARE_MUTABLE_ASSOCIATIVE_ITERATOR(Hash)

--- a/src/corelib/tools/qhashfunctions.h
+++ b/src/corelib/tools/qhashfunctions.h
@ -64,6 +64,9 @@ class QString;
 class QStringRef;
 class QLatin1String;

+Q_CORE_EXPORT int qGlobalQHashSeed();
+Q_CORE_EXPORT void qSetGlobalQHashSeed(int newSeed);
+
 Q_CORE_EXPORT Q_DECL_PURE_FUNCTION uint qHashBits(const void *p, size_t size, uint seed = 0) Q_DECL_NOTHROW;

 Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(char key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
--- a/src/corelib/tools/qlinkedlist.h
+++ b/src/corelib/tools/qlinkedlist.h
@ -105,7 +105,7 @@ public:
    inline void detach()
    { if (d->ref.isShared()) detach_helper2(this->e); }
    inline bool isDetached() const { return !d->ref.isShared(); }
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    inline void setSharable(bool sharable) { if (!sharable) detach(); if (d != &QLinkedListData::shared_null) d->sharable = sharable; }
 #endif
    inline bool isSharedWith(const QLinkedList<T> &other) const { return d == other.d; }
--- a/src/corelib/tools/qlist.h
+++ b/src/corelib/tools/qlist.h
@ -175,7 +175,7 @@ public:
    }

    inline bool isDetached() const { return !d->ref.isShared(); }
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    inline void setSharable(bool sharable)
    {
        if (sharable == d->ref.isSharable())
--- a/src/corelib/tools/qmap.h
+++ b/src/corelib/tools/qmap.h
@ -365,7 +365,7 @@ public:

    inline void detach() { if (d->ref.isShared()) detach_helper(); }
    inline bool isDetached() const { return !d->ref.isShared(); }
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    inline void setSharable(bool sharable)
    {
        if (sharable == d->ref.isSharable())
--- a/src/corelib/tools/qrefcount.h
+++ b/src/corelib/tools/qrefcount.h
@ -53,7 +53,7 @@ class RefCount
 public:
    inline bool ref() Q_DECL_NOTHROW {
        int count = atomic.load();
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
        if (count == 0) // !isSharable
            return false;
 #endif
@ -64,7 +64,7 @@ public:

    inline bool deref() Q_DECL_NOTHROW {
        int count = atomic.load();
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
        if (count == 0) // !isSharable
            return false;
 #endif
@ -73,7 +73,7 @@ public:
        return atomic.deref();
    }

-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    bool setSharable(bool sharable) Q_DECL_NOTHROW
    {
        Q_ASSERT(!isShared());
--- a/src/corelib/tools/qset.h
+++ b/src/corelib/tools/qset.h
@ -85,7 +85,7 @@ public:

    inline void detach() { q_hash.detach(); }
    inline bool isDetached() const { return q_hash.isDetached(); }
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    inline void setSharable(bool sharable) { q_hash.setSharable(sharable); }
 #endif

--- a/src/corelib/tools/qsimd.cpp
+++ b/src/corelib/tools/qsimd.cpp
@ -697,7 +697,11 @@ void qDetectCpuFeatures()
    // contains all the features that the code required. Qt 4 ran for years
    // like that, so it shouldn't be a problem.

-    qt_cpu_features.store(minFeature | quint32(QSimdInitialized));
+    qt_cpu_features[0].store(minFeature | quint32(QSimdInitialized));
+#ifndef Q_ATOMIC_INT64_IS_SUPPORTED
+    qt_cpu_features[1].store(minFeature >> 32);
+#endif
+
    return;
 # endif
 #endif
--- a/src/corelib/tools/qvector.h
+++ b/src/corelib/tools/qvector.h
@ -106,7 +106,7 @@ public:

    inline void detach();
    inline bool isDetached() const { return !d->ref.isShared(); }
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    inline void setSharable(bool sharable)
    {
        if (sharable == d->ref.isSharable())
@ -382,7 +382,7 @@ template <typename T>
 void QVector<T>::detach()
 {
    if (!isDetached()) {
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
        if (!d->alloc)
            d = Data::unsharableEmpty();
        else
@ -539,7 +539,7 @@ void QVector<T>::reallocData(const int asize, const int aalloc, QArrayData::Allo
                x = Data::allocate(aalloc, options);
                Q_CHECK_PTR(x);
                // aalloc is bigger then 0 so it is not [un]sharedEmpty
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
                Q_ASSERT(x->ref.isSharable() || options.testFlag(QArrayData::Unsharable));
 #endif
                Q_ASSERT(!x->ref.isStatic());
@ -607,7 +607,7 @@ void QVector<T>::reallocData(const int asize, const int aalloc, QArrayData::Allo

    Q_ASSERT(d->data());
    Q_ASSERT(uint(d->size) <= d->alloc);
-#if QT_SUPPORTS(UNSHARABLE_CONTAINERS)
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
    Q_ASSERT(d != Data::unsharableEmpty());
 #endif
    Q_ASSERT(aalloc ? d != Data::sharedNull() : d == Data::sharedNull());
--- a/src/corelib/tools/tools.pri
+++ b/src/corelib/tools/tools.pri
@ -155,6 +155,7 @@ else:SOURCES += tools/qelapsedtimer_generic.cpp
 contains(QT_CONFIG, zlib) {
    include($$PWD/../../3rdparty/zlib.pri)
 } else {
+    CONFIG += no_core_dep
    include($$PWD/../../3rdparty/zlib_dependency.pri)
 }

--- a/src/dbus/doc/qtdbus.qdocconf
+++ b/src/dbus/doc/qtdbus.qdocconf
@ -19,7 +19,7 @@ sourcedirs += .. \
              ../../../examples/dbus/doc/src
 excludedirs += ../../../examples/widgets/doc

-examplesinstallpath     = qtbase/dbus
+examplesinstallpath     = dbus

 depends += qtdoc qtcore

--- a/src/dbus/qdbusconnection_p.h
+++ b/src/dbus/qdbusconnection_p.h
@ -259,7 +259,7 @@ private:
                     const QVector<int> &metaTypes, int slotIdx);

    SignalHookHash::Iterator removeSignalHookNoLock(SignalHookHash::Iterator it);
-    void disconnectObjectTree(ObjectTreeNode &node);
+    void collectAllObjects(ObjectTreeNode &node, QSet<QObject *> &set);

    bool isServiceRegisteredByThread(const QString &serviceName);

--- a/src/dbus/qdbusintegrator.cpp
+++ b/src/dbus/qdbusintegrator.cpp
@ -1076,17 +1076,18 @@ QDBusConnectionPrivate::~QDBusConnectionPrivate()
    }
 }

-void QDBusConnectionPrivate::disconnectObjectTree(QDBusConnectionPrivate::ObjectTreeNode &haystack)
+void QDBusConnectionPrivate::collectAllObjects(QDBusConnectionPrivate::ObjectTreeNode &haystack,
+                                               QSet<QObject *> &set)
 {
    QDBusConnectionPrivate::ObjectTreeNode::DataList::Iterator it = haystack.children.begin();

    while (it != haystack.children.end()) {
-        disconnectObjectTree(*it);
+        collectAllObjects(*it, set);
        it++;
    }

    if (haystack.obj)
-        haystack.obj->disconnect(this);
+        set.insert(haystack.obj);
 }

 void QDBusConnectionPrivate::closeConnection()
@ -1115,15 +1116,23 @@ void QDBusConnectionPrivate::closeConnection()

    // Disconnect all signals from signal hooks and from the object tree to
    // avoid QObject::destroyed being sent to dbus daemon thread which has
-    // already quit.
-    SignalHookHash::iterator sit = signalHooks.begin();
-    while (sit != signalHooks.end()) {
-        sit.value().obj->disconnect(this);
-        sit++;
+    // already quit. We need to make sure we disconnect exactly once per
+    // object, because if we tried a second time, we might be hitting a
+    // dangling pointer.
+    QSet<QObject *> allObjects;
+    collectAllObjects(rootNode, allObjects);
+    SignalHookHash::const_iterator sit = signalHooks.constBegin();
+    while (sit != signalHooks.constEnd()) {
+        allObjects.insert(sit.value().obj);
+        ++sit;
    }

-    disconnectObjectTree(rootNode);
-    rootNode.children.clear();  // free resources
+    // now disconnect ourselves
+    QSet<QObject *>::const_iterator oit = allObjects.constBegin();
+    while (oit != allObjects.constEnd()) {
+        (*oit)->disconnect(this);
+        ++oit;
+    }
 }

 void QDBusConnectionPrivate::handleDBusDisconnection()
--- a/src/gui/doc/qtgui.qdocconf
+++ b/src/gui/doc/qtgui.qdocconf
@ -4,7 +4,7 @@ project                 = QtGui
 description             = Qt GUI Reference Documentation
 version                 = $QT_VERSION

-examplesinstallpath     = qtbase/gui
+examplesinstallpath     = gui

 qhp.projects            = QtGui

--- a/src/gui/opengl/qopengl.cpp
+++ b/src/gui/opengl/qopengl.cpp
@ -138,22 +138,6 @@ QDebug operator<<(QDebug d, const QOpenGLConfig::Gpu &g)
 enum Operator { NotEqual, LessThan, LessEqualThan, Equals, GreaterThan, GreaterEqualThan };
 static const char operators[][3] = {"!=", "<", "<=", "=", ">", ">="};

-static inline QString valueKey()         { return QStringLiteral("value"); }
-static inline QString opKey()            { return QStringLiteral("op"); }
-static inline QString versionKey()       { return QStringLiteral("version"); }
-static inline QString releaseKey()       { return QStringLiteral("release"); }
-static inline QString typeKey()          { return QStringLiteral("type"); }
-static inline QString osKey()            { return QStringLiteral("os"); }
-static inline QString vendorIdKey()      { return QStringLiteral("vendor_id"); }
-static inline QString glVendorKey()      { return QStringLiteral("gl_vendor"); }
-static inline QString deviceIdKey()      { return QStringLiteral("device_id"); }
-static inline QString driverVersionKey() { return QStringLiteral("driver_version"); }
-static inline QString driverDescriptionKey() { return QStringLiteral("driver_description"); }
-static inline QString featuresKey()      { return QStringLiteral("features"); }
-static inline QString idKey()            { return QStringLiteral("id"); }
-static inline QString descriptionKey()   { return QStringLiteral("description"); }
-static inline QString exceptionsKey()    { return QStringLiteral("exceptions"); }
-
 typedef QJsonArray::ConstIterator JsonArrayConstIt;

 static inline bool contains(const QJsonArray &haystack, unsigned needle)
@ -216,8 +200,8 @@ VersionTerm VersionTerm::fromJson(const QJsonValue &v)
    if (!v.isObject())
        return result;
    const QJsonObject o = v.toObject();
-    result.number = QVersionNumber::fromString(o.value(valueKey()).toString());
-    const QString opS = o.value(opKey()).toString();
+    result.number = QVersionNumber::fromString(o.value(QLatin1String("value")).toString());
+    const QString opS = o.value(QLatin1String("op")).toString();
    for (size_t i = 0; i < sizeof(operators) / sizeof(operators[0]); ++i) {
        if (opS == QLatin1String(operators[i])) {
            result.op = static_cast<Operator>(i);
@ -292,9 +276,9 @@ OsTypeTerm OsTypeTerm::fromJson(const QJsonValue &v)
    if (!v.isObject())
        return result;
    const QJsonObject o = v.toObject();
-    result.type = o.value(typeKey()).toString();
-    result.versionTerm = VersionTerm::fromJson(o.value(versionKey()));
-    result.release = o.value(releaseKey()).toArray();
+    result.type = o.value(QLatin1String("type")).toString();
+    result.versionTerm = VersionTerm::fromJson(o.value(QLatin1String("version")));
+    result.release = o.value(QLatin1String("release")).toArray();
    return result;
 }

@ -318,8 +302,8 @@ QString OsTypeTerm::hostOs()
 static QString msgSyntaxWarning(const QJsonObject &object, const QString &what)
 {
    QString result;
-    QTextStream(&result) << "Id " << object.value(idKey()).toInt()
-        << " (\"" << object.value(descriptionKey()).toString()
+    QTextStream(&result) << "Id " << object.value(QLatin1String("id")).toInt()
+        << " (\"" << object.value(QLatin1String("description")).toString()
        << "\"): " << what;
    return result;
 }
@ -333,11 +317,11 @@ static bool matches(const QJsonObject &object,
                    const QString &osRelease,
                    const QOpenGLConfig::Gpu &gpu)
 {
-    const OsTypeTerm os = OsTypeTerm::fromJson(object.value(osKey()));
+    const OsTypeTerm os = OsTypeTerm::fromJson(object.value(QLatin1String("os")));
    if (!os.isNull() && !os.matches(osName, kernelVersion, osRelease))
        return false;

-    const QJsonValue exceptionsV = object.value(exceptionsKey());
+    const QJsonValue exceptionsV = object.value(QLatin1String("exceptions"));
    if (exceptionsV.isArray()) {
        const QJsonArray exceptionsA = exceptionsV.toArray();
        for (JsonArrayConstIt it = exceptionsA.constBegin(), cend = exceptionsA.constEnd(); it != cend; ++it) {
@ -346,20 +330,20 @@ static bool matches(const QJsonObject &object,
        }
    }

-    const QJsonValue vendorV = object.value(vendorIdKey());
+    const QJsonValue vendorV = object.value(QLatin1String("vendor_id"));
    if (vendorV.isString()) {
        if (gpu.vendorId != vendorV.toString().toUInt(Q_NULLPTR, /* base */ 0))
            return false;
    } else {
-        if (object.contains(glVendorKey())) {
-            const QByteArray glVendorV = object.value(glVendorKey()).toString().toUtf8();
+        if (object.contains(QLatin1String("gl_vendor"))) {
+            const QByteArray glVendorV = object.value(QLatin1String("gl_vendor")).toString().toUtf8();
            if (!gpu.glVendor.contains(glVendorV))
                return false;
        }
    }

    if (gpu.deviceId) {
-        const QJsonValue deviceIdV = object.value(deviceIdKey());
+        const QJsonValue deviceIdV = object.value(QLatin1String("device_id"));
        switch (deviceIdV.type()) {
        case QJsonValue::Array:
            if (!contains(deviceIdV.toArray(), gpu.deviceId))
@ -375,7 +359,7 @@ static bool matches(const QJsonObject &object,
        }
    }
    if (!gpu.driverVersion.isNull()) {
-        const QJsonValue driverVersionV = object.value(driverVersionKey());
+        const QJsonValue driverVersionV = object.value(QLatin1String("driver_version"));
        switch (driverVersionV.type()) {
        case QJsonValue::Object:
            if (!VersionTerm::fromJson(driverVersionV).matches(gpu.driverVersion))
@ -392,7 +376,7 @@ static bool matches(const QJsonObject &object,
    }

    if (!gpu.driverDescription.isEmpty()) {
-        const QJsonValue driverDescriptionV = object.value(driverDescriptionKey());
+        const QJsonValue driverDescriptionV = object.value(QLatin1String("driver_description"));
        if (driverDescriptionV.isString()) {
            if (!gpu.driverDescription.contains(driverDescriptionV.toString().toUtf8()))
                return false;
@ -412,7 +396,7 @@ static bool readGpuFeatures(const QOpenGLConfig::Gpu &gpu,
 {
    result->clear();
    errorMessage->clear();
-    const QJsonValue entriesV = doc.object().value(QStringLiteral("entries"));
+    const QJsonValue entriesV = doc.object().value(QLatin1String("entries"));
    if (!entriesV.isArray()) {
        *errorMessage = QLatin1String("No entries read.");
        return false;
@ -423,7 +407,7 @@ static bool readGpuFeatures(const QOpenGLConfig::Gpu &gpu,
        if (eit->isObject()) {
            const QJsonObject object = eit->toObject();
            if (matches(object, osName, kernelVersion, osRelease, gpu)) {
-                const QJsonValue featuresListV = object.value(featuresKey());
+                const QJsonValue featuresListV = object.value(QLatin1String("features"));
                if (featuresListV.isArray()) {
                    const QJsonArray featuresListA = featuresListV.toArray();
                    for (JsonArrayConstIt fit = featuresListA.constBegin(), fcend = featuresListA.constEnd(); fit != fcend; ++fit)
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@ -6272,7 +6272,7 @@ static void drawTextItemDecoration(QPainter *painter, const QPointF &pos, const
            pen.setColor(uc);

        // Adapt wave to underlineOffset or pen width, whatever is larger, to make it work on all platforms
-        const QPixmap wave = generateWavyPixmap(qMin(qMax(underlineOffset, pen.widthF()), maxHeight / 2.), pen);
+        const QPixmap wave = generateWavyPixmap(qMin(qMax(underlineOffset, pen.widthF()), maxHeight / qreal(2.)), pen);
        const int descent = qFloor(maxHeight);

        painter->setBrushOrigin(painter->brushOrigin().x(), 0);
@ -6283,7 +6283,7 @@ static void drawTextItemDecoration(QPainter *painter, const QPointF &pos, const
        // the text above it, but limit it to stay within descent.
        qreal adjustedUnderlineOffset = std::ceil(underlineOffset) + 0.5;
        if (underlineOffset <= fe->descent().toReal())
-            adjustedUnderlineOffset = qMin(adjustedUnderlineOffset, fe->descent().toReal() - 0.5);
+            adjustedUnderlineOffset = qMin(adjustedUnderlineOffset, fe->descent().toReal() - qreal(0.5));
        const qreal underlinePos = pos.y() + adjustedUnderlineOffset;
        QColor uc = charFormat.underlineColor();
        if (uc.isValid())
--- a/src/gui/painting/qplatformbackingstore.cpp
+++ b/src/gui/painting/qplatformbackingstore.cpp
@ -232,7 +232,8 @@ void QPlatformTextureList::clear()
    Flushes the given \a region from the specified \a window onto the
    screen.

-    Note that the \a offset parameter is currently unused.
+    The \a offset parameter is relative to the origin of the backing
+    store image.
 */

 #ifndef QT_NO_OPENGL
--- a/src/gui/painting/qstroker.cpp
+++ b/src/gui/painting/qstroker.cpp
@ -428,7 +428,7 @@ void QStroker::processCurrentSubpath()
    bool fwclosed = qt_stroke_side(&fwit, this, false, &fwStartTangent);
    bool bwclosed = qt_stroke_side(&bwit, this, !fwclosed, &bwStartTangent);

-    if (!bwclosed)
+    if (!bwclosed && !fwStartTangent.isNull())
        joinPoints(m_elements.at(0).x, m_elements.at(0).y, fwStartTangent, m_capStyle);
 }

--- a/src/network/access/qnetworkaccessmanager.cpp
+++ b/src/network/access/qnetworkaccessmanager.cpp
@ -480,6 +480,9 @@ QNetworkAccessManager::QNetworkAccessManager(QObject *parent)
    //
    connect(&d->networkConfigurationManager, SIGNAL(onlineStateChanged(bool)),
            SLOT(_q_onlineStateChanged(bool)));
+    connect(&d->networkConfigurationManager, SIGNAL(configurationChanged(const QNetworkConfiguration &)),
+            SLOT(_q_configurationChanged(const QNetworkConfiguration &)));
+
 #endif
 }

@ -1570,6 +1573,8 @@ void QNetworkAccessManagerPrivate::createSession(const QNetworkConfiguration &co
        QObject::disconnect(networkSessionStrongRef.data(), SIGNAL(closed()), q, SLOT(_q_networkSessionClosed()));
        QObject::disconnect(networkSessionStrongRef.data(), SIGNAL(stateChanged(QNetworkSession::State)),
            q, SLOT(_q_networkSessionStateChanged(QNetworkSession::State)));
+        QObject::disconnect(networkSessionStrongRef.data(), SIGNAL(error(QNetworkSession::SessionError)),
+                            q, SLOT(_q_networkSessionFailed(QNetworkSession::SessionError)));
    }

    //switch to new session (null if config was invalid)
@ -1577,7 +1582,6 @@ void QNetworkAccessManagerPrivate::createSession(const QNetworkConfiguration &co
    networkSessionWeakRef = networkSessionStrongRef.toWeakRef();

    if (!networkSessionStrongRef) {
-        online = false;

        if (networkAccessible == QNetworkAccessManager::NotAccessible || !online)
            emit q->networkAccessibleChanged(QNetworkAccessManager::NotAccessible);
@ -1593,6 +1597,8 @@ void QNetworkAccessManagerPrivate::createSession(const QNetworkConfiguration &co
    QObject::connect(networkSessionStrongRef.data(), SIGNAL(closed()), q, SLOT(_q_networkSessionClosed()), Qt::QueuedConnection);
    QObject::connect(networkSessionStrongRef.data(), SIGNAL(stateChanged(QNetworkSession::State)),
                     q, SLOT(_q_networkSessionStateChanged(QNetworkSession::State)), Qt::QueuedConnection);
+    QObject::connect(networkSessionStrongRef.data(), SIGNAL(error(QNetworkSession::SessionError)),
+                        q, SLOT(_q_networkSessionFailed(QNetworkSession::SessionError)));

    _q_networkSessionStateChanged(networkSessionStrongRef->state());
 }
@ -1609,6 +1615,9 @@ void QNetworkAccessManagerPrivate::_q_networkSessionClosed()
        QObject::disconnect(networkSession.data(), SIGNAL(closed()), q, SLOT(_q_networkSessionClosed()));
        QObject::disconnect(networkSession.data(), SIGNAL(stateChanged(QNetworkSession::State)),
            q, SLOT(_q_networkSessionStateChanged(QNetworkSession::State)));
+        QObject::disconnect(networkSessionStrongRef.data(), SIGNAL(error(QNetworkSession::SessionError)),
+                            q, SLOT(_q_networkSessionFailed(QNetworkSession::SessionError)));
+
        networkSessionStrongRef.clear();
        networkSessionWeakRef.clear();
    }
@ -1617,46 +1626,57 @@ void QNetworkAccessManagerPrivate::_q_networkSessionClosed()
 void QNetworkAccessManagerPrivate::_q_networkSessionStateChanged(QNetworkSession::State state)
 {
    Q_Q(QNetworkAccessManager);
-
+    bool reallyOnline = false;
    //Do not emit the networkSessionConnected signal here, except for roaming -> connected
    //transition, otherwise it is emitted twice in a row when opening a connection.
-    if (state == QNetworkSession::Connected && lastSessionState == QNetworkSession::Roaming)
+    if (state == QNetworkSession::Connected && lastSessionState != QNetworkSession::Roaming)
        emit q->networkSessionConnected();
    lastSessionState = state;

-    if (online) {
+    if (online && state == QNetworkSession::Disconnected) {
+        const auto cfgs = networkConfigurationManager.allConfigurations();
+        for (const QNetworkConfiguration &cfg : cfgs) {
+            if (cfg.state().testFlag(QNetworkConfiguration::Active)) {
+                reallyOnline = true;
+            }
+        }
+    } else if (state == QNetworkSession::Connected || state == QNetworkSession::Roaming) {
+        reallyOnline = true;
+    }
+
+    if (!reallyOnline) {
        if (state != QNetworkSession::Connected && state != QNetworkSession::Roaming) {
-            online = false;
            if (networkAccessible != QNetworkAccessManager::NotAccessible) {
                networkAccessible = QNetworkAccessManager::NotAccessible;
                emit q->networkAccessibleChanged(networkAccessible);
            }
        }
    } else {
-        if (state == QNetworkSession::Connected || state == QNetworkSession::Roaming) {
-            online = true;
-            if (defaultAccessControl)
-                if (networkAccessible != QNetworkAccessManager::Accessible) {
-                    networkAccessible = QNetworkAccessManager::Accessible;
-                    emit q->networkAccessibleChanged(networkAccessible);
-                }
-        }
+        if (defaultAccessControl)
+            if (networkAccessible != QNetworkAccessManager::Accessible) {
+                networkAccessible = QNetworkAccessManager::Accessible;
+                emit q->networkAccessibleChanged(networkAccessible);
+            }
+    }
+    online = reallyOnline;
+    if (online && (state != QNetworkSession::Connected && state != QNetworkSession::Roaming)) {
+        _q_networkSessionClosed();
+        createSession(q->configuration());
    }
 }

 void QNetworkAccessManagerPrivate::_q_onlineStateChanged(bool isOnline)
 {
   Q_Q(QNetworkAccessManager);
+
   // if the user set a config, we only care whether this one is active.
    // Otherwise, this QNAM is online if there is an online config.
    if (customNetworkConfiguration) {
        online = (networkConfiguration.state() & QNetworkConfiguration::Active);
    } else {
        if (online != isOnline) {
-            if (isOnline) {
-                networkSessionStrongRef.clear();
-                networkSessionWeakRef.clear();
-            }
+                _q_networkSessionClosed();
+                createSession(q->configuration());
            online = isOnline;
        }
    }
@ -1667,11 +1687,6 @@ void QNetworkAccessManagerPrivate::_q_onlineStateChanged(bool isOnline)
                emit q->networkAccessibleChanged(networkAccessible);
            }
        }
-    } else if (networkConfiguration.state().testFlag(QNetworkConfiguration::Undefined)) {
-        if (networkAccessible != QNetworkAccessManager::UnknownAccessibility) {
-            networkAccessible = QNetworkAccessManager::UnknownAccessibility;
-            emit q->networkAccessibleChanged(networkAccessible);
-        }
    } else {
        if (networkAccessible != QNetworkAccessManager::NotAccessible) {
            networkAccessible = QNetworkAccessManager::NotAccessible;
@ -1680,6 +1695,50 @@ void QNetworkAccessManagerPrivate::_q_onlineStateChanged(bool isOnline)
    }
 }

+void QNetworkAccessManagerPrivate::_q_configurationChanged(const QNetworkConfiguration &configuration)
+{
+    const QString id = configuration.identifier();
+    if (configuration.state().testFlag(QNetworkConfiguration::Active)) {
+        if (!onlineConfigurations.contains(id)) {
+
+            QSharedPointer<QNetworkSession> session(getNetworkSession());
+            if (session) {
+                if (online && session->configuration().identifier()
+                        != networkConfigurationManager.defaultConfiguration().identifier()) {
+
+                    onlineConfigurations.insert(id);
+                    //this one disconnected but another one is online,
+                    // close and create new session
+                    _q_networkSessionClosed();
+                    createSession(networkConfigurationManager.defaultConfiguration());
+                }
+            }
+        }
+
+    } else if (onlineConfigurations.contains(id)) {
+        //this one is disconnecting
+        onlineConfigurations.remove(id);
+        if (!onlineConfigurations.isEmpty()) {
+            _q_networkSessionClosed();
+            createSession(configuration);
+        }
+    }
+}
+
+
+void QNetworkAccessManagerPrivate::_q_networkSessionFailed(QNetworkSession::SessionError)
+{
+    const auto cfgs = networkConfigurationManager.allConfigurations();
+    for (const QNetworkConfiguration &cfg : cfgs) {
+        if (cfg.state().testFlag(QNetworkConfiguration::Active)) {
+            online = true;
+            _q_networkSessionClosed();
+            createSession(networkConfigurationManager.defaultConfiguration());
+            return;
+        }
+    }
+}
+
 #endif // QT_NO_BEARERMANAGEMENT

 QNetworkRequest QNetworkAccessManagerPrivate::prepareMultipart(const QNetworkRequest &request, QHttpMultiPart *multiPart)
--- a/src/network/access/qnetworkaccessmanager.h
+++ b/src/network/access/qnetworkaccessmanager.h
@ -182,6 +182,8 @@ private:
    Q_PRIVATE_SLOT(d_func(), void _q_networkSessionClosed())
    Q_PRIVATE_SLOT(d_func(), void _q_networkSessionStateChanged(QNetworkSession::State))
    Q_PRIVATE_SLOT(d_func(), void _q_onlineStateChanged(bool))
+    Q_PRIVATE_SLOT(d_func(), void _q_configurationChanged(const QNetworkConfiguration &))
+    Q_PRIVATE_SLOT(d_func(), void _q_networkSessionFailed(QNetworkSession::SessionError))
 #endif
 };

--- a/src/network/access/qnetworkaccessmanager_p.h
+++ b/src/network/access/qnetworkaccessmanager_p.h
@ -149,6 +149,11 @@ public:
                                                        bool isSeamless);
    void _q_networkSessionStateChanged(QNetworkSession::State state);
    void _q_onlineStateChanged(bool isOnline);
+    void _q_configurationChanged(const QNetworkConfiguration &configuration);
+    void _q_networkSessionFailed(QNetworkSession::SessionError error);
+
+    QSet<QString> onlineConfigurations;
+
 #endif

    QNetworkRequest prepareMultipart(const QNetworkRequest &request, QHttpMultiPart *multiPart);
--- a/src/network/doc/qtnetwork.qdocconf
+++ b/src/network/doc/qtnetwork.qdocconf
@ -4,7 +4,7 @@ project                 = QtNetwork
 description             = Qt Network Reference Documentation
 version                 = $QT_VERSION

-examplesinstallpath     = qtbase/network
+examplesinstallpath     = network

 qhp.projects            = QtNetwork

--- a/src/network/kernel/qauthenticator.cpp
+++ b/src/network/kernel/qauthenticator.cpp
@ -199,6 +199,8 @@ bool QAuthenticator::operator==(const QAuthenticator &other) const
 {
    if (d == other.d)
        return true;
+    if (!d || !other.d)
+        return false;
    return d->user == other.d->user
        && d->password == other.d->password
        && d->realm == other.d->realm
--- a/src/network/socket/qlocalsocket_p.h
+++ b/src/network/socket/qlocalsocket_p.h
@ -61,7 +61,6 @@
 #if defined(QT_LOCALSOCKET_TCP)
 #   include "qtcpsocket.h"
 #elif defined(Q_OS_WIN)
-#   include <private/qringbuffer_p.h>
 #   include "private/qwindowspipereader_p.h"
 #   include "private/qwindowspipewriter_p.h"
 #   include <qwineventnotifier.h>
@ -134,7 +133,6 @@ public:
    void _q_pipeClosed();
    void _q_winError(ulong windowsError, const QString &function);
    HANDLE handle;
-    QRingBuffer writeBuffer;
    QWindowsPipeWriter *pipeWriter;
    QWindowsPipeReader *pipeReader;
    QLocalSocket::LocalSocketError error;
--- a/src/network/socket/qlocalsocket_win.cpp
+++ b/src/network/socket/qlocalsocket_win.cpp
@ -107,6 +107,7 @@ QLocalSocketPrivate::QLocalSocketPrivate() : QIODevicePrivate(),
       error(QLocalSocket::UnknownSocketError),
       state(QLocalSocket::UnconnectedState)
 {
+    writeBufferChunkSize = QIODEVICE_BUFFERSIZE;
 }

 QLocalSocketPrivate::~QLocalSocketPrivate()
@ -214,8 +215,7 @@ qint64 QLocalSocket::writeData(const char *data, qint64 len)
    Q_D(QLocalSocket);
    if (len == 0)
        return 0;
-    char *dest = d->writeBuffer.reserve(len);
-    memcpy(dest, data, len);
+    d->writeBuffer.append(data, len);
    if (!d->pipeWriter) {
        d->pipeWriter = new QWindowsPipeWriter(d->handle, this);
        connect(d->pipeWriter, &QWindowsPipeWriter::bytesWritten,
@ -233,7 +233,6 @@ void QLocalSocket::abort()
    if (d->pipeWriter) {
        delete d->pipeWriter;
        d->pipeWriter = 0;
-        d->writeBuffer.clear();
    }
    close();
 }
@ -291,6 +290,7 @@ void QLocalSocket::close()
    if (openMode() == NotOpen)
        return;

+    d->setWriteChannelCount(0);
    QIODevice::close();
    d->serverName = QString();
    d->fullServerName = QString();
--- a/src/network/socket/qnativesocketengine_winrt.cpp
+++ b/src/network/socket/qnativesocketengine_winrt.cpp
@ -464,17 +464,24 @@ void QNativeSocketEngine::close()
    }

 #if _MSC_VER >= 1900
-    // To close the connection properly (not with a hard reset) all pending read operation have to
-    // be finished or cancelled. The API isn't available on Windows 8.1 though.
-    ComPtr<IStreamSocket3> socket3;
-    hr = d->tcpSocket()->QueryInterface(IID_PPV_ARGS(&socket3));
-    Q_ASSERT_SUCCEEDED(hr);
+    if (d->socketType == QAbstractSocket::TcpSocket) {
+        hr = QEventDispatcherWinRT::runOnXamlThread([d]() {
+            HRESULT hr;
+            // To close the connection properly (not with a hard reset) all pending read operation have to
+            // be finished or cancelled. The API isn't available on Windows 8.1 though.
+            ComPtr<IStreamSocket3> socket3;
+            hr = d->tcpSocket()->QueryInterface(IID_PPV_ARGS(&socket3));
+            Q_ASSERT_SUCCEEDED(hr);

-    ComPtr<IAsyncAction> action;
-    hr = socket3->CancelIOAsync(&action);
-    Q_ASSERT_SUCCEEDED(hr);
-    hr = QWinRTFunctions::await(action);
-    Q_ASSERT_SUCCEEDED(hr);
+            ComPtr<IAsyncAction> action;
+            hr = socket3->CancelIOAsync(&action);
+            Q_ASSERT_SUCCEEDED(hr);
+            hr = QWinRTFunctions::await(action);
+            Q_ASSERT_SUCCEEDED(hr);
+            return S_OK;
+        });
+        Q_ASSERT_SUCCEEDED(hr);
+    }
 #endif // _MSC_VER >= 1900

    if (d->readOp) {
@ -1271,9 +1278,12 @@ void QNativeSocketEnginePrivate::handleConnectionEstablished(IAsyncAction *actio

 HRESULT QNativeSocketEnginePrivate::handleReadyRead(IAsyncBufferOperation *asyncInfo, AsyncStatus status)
 {
-    Q_Q(QNativeSocketEngine);
-    if (wasDeleted || isDeletingChildren)
+    if (closingDown || wasDeleted || isDeletingChildren
+            || socketState == QAbstractSocket::UnconnectedState) {
        return S_OK;
+    }
+
+    Q_Q(QNativeSocketEngine);

    // A read in UnconnectedState will close the socket and return -1 and thus tell the caller,
    // that the connection was closed. The socket cannot be closed here, as the subsequent read
--- a/src/network/socket/qnativesocketengine_winrt_p.h
+++ b/src/network/socket/qnativesocketengine_winrt_p.h
@ -154,7 +154,7 @@ public:
    qintptr socketDescriptor;

    bool notifyOnRead, notifyOnWrite, notifyOnException;
-    bool closingDown;
+    QAtomicInt closingDown;

    enum ErrorString {
        NonBlockingInitFailedErrorString,
--- a/src/network/ssl/qsslconfiguration.cpp
+++ b/src/network/ssl/qsslconfiguration.cpp
@ -211,6 +211,7 @@ bool QSslConfiguration::operator==(const QSslConfiguration &other) const
        d->sessionProtocol == other.d->sessionProtocol &&
        d->ciphers == other.d->ciphers &&
        d->ellipticCurves == other.d->ellipticCurves &&
+        d->ephemeralServerKey == other.d->ephemeralServerKey &&
        d->caCertificates == other.d->caCertificates &&
        d->protocol == other.d->protocol &&
        d->peerVerifyMode == other.d->peerVerifyMode &&
@ -252,6 +253,7 @@ bool QSslConfiguration::isNull() const
            d->caCertificates.count() == 0 &&
            d->ciphers.count() == 0 &&
            d->ellipticCurves.isEmpty() &&
+            d->ephemeralServerKey.isNull() &&
            d->localCertificateChain.isEmpty() &&
            d->privateKey.isNull() &&
            d->peerCertificate.isNull() &&
--- a/src/network/ssl/qsslconfiguration_p.h
+++ b/src/network/ssl/qsslconfiguration_p.h
@ -88,6 +88,7 @@ public:
          peerSessionShared(false),
          sslOptions(QSslConfigurationPrivate::defaultSslOptions),
          sslSessionTicketLifeTimeHint(-1),
+          ephemeralServerKey(),
          nextProtocolNegotiationStatus(QSslConfiguration::NextProtocolNegotiationNone)
    { }

--- a/src/opengl/doc/qtopengl.qdocconf
+++ b/src/opengl/doc/qtopengl.qdocconf
@ -21,7 +21,7 @@ imagedirs   += images \

 depends += qtdoc qtcore qtgui qtwidgets qmake

-examplesinstallpath     = qtbase/opengl
+examplesinstallpath     = opengl

 # The following parameters are for creating a qhp file, the qhelpgenerator
 # program can convert the qhp file into a qch file which can be opened in
--- a/src/platformheaders/doc/qtplatformheaders.qdocconf
+++ b/src/platformheaders/doc/qtplatformheaders.qdocconf
@ -4,7 +4,7 @@ project                 = QtPlatformHeaders
 description             = Qt Platform Headers Reference Documentation
 version                 = $QT_VERSION

-examplesinstallpath     = qtbase/qtplatformheaders
+examplesinstallpath     = qtplatformheaders

 qhp.projects            = QtPlatformHeaders

--- a/src/platformsupport/clipboard/qmacmime.mm
+++ b/src/platformsupport/clipboard/qmacmime.mm
@ -757,7 +757,7 @@ bool QMacPasteboardMimeVCard::canConvert(const QString &mime, QString flav)

 QString QMacPasteboardMimeVCard::flavorFor(const QString &mime)
 {
-    if (mime.startsWith(QLatin1String("text/plain")))
+    if (mime.startsWith(QLatin1String("text/vcard")))
        return QLatin1String("public.vcard");
    return QString();
 }
@ -765,14 +765,14 @@ QString QMacPasteboardMimeVCard::flavorFor(const QString &mime)
 QString QMacPasteboardMimeVCard::mimeFor(QString flav)
 {
    if (flav == QLatin1String("public.vcard"))
-        return QLatin1String("text/plain");
+        return QLatin1String("text/vcard");
    return QString();
 }

 QVariant QMacPasteboardMimeVCard::convertToMime(const QString &mime, QList<QByteArray> data, QString)
 {
    QByteArray cards;
-    if (mime == QLatin1String("text/plain")) {
+    if (mime == QLatin1String("text/vcard")) {
        for (int i=0; i<data.size(); ++i)
            cards += data[i];
    }
@ -782,7 +782,7 @@ QVariant QMacPasteboardMimeVCard::convertToMime(const QString &mime, QList<QByte
 QList<QByteArray> QMacPasteboardMimeVCard::convertFromMime(const QString &mime, QVariant data, QString)
 {
    QList<QByteArray> ret;
-    if (mime == QLatin1String("text/plain"))
+    if (mime == QLatin1String("text/vcard"))
        ret.append(data.toString().toUtf8());
    return ret;
 }
--- a/src/platformsupport/dbusmenu/qdbusmenuconnection.cpp
+++ b/src/platformsupport/dbusmenu/qdbusmenuconnection.cpp
@ -65,9 +65,10 @@ const QString MenuBarPath = QLatin1String("/MenuBar");
    A D-Bus connection which is used for both menu and tray icon services.
    Connects to the session bus and registers with the respective watcher services.
 */
-QDBusMenuConnection::QDBusMenuConnection(QObject *parent)
+QDBusMenuConnection::QDBusMenuConnection(QObject *parent, const QString &serviceName)
    : QObject(parent)
-    , m_connection(QDBusConnection::sessionBus())
+    , m_connection(serviceName.isNull() ? QDBusConnection::sessionBus()
+                                        : QDBusConnection::connectToBus(QDBusConnection::SessionBus, serviceName))
    , m_dbusWatcher(new QDBusServiceWatcher(StatusNotifierWatcherService, m_connection, QDBusServiceWatcher::WatchForRegistration, this))
    , m_statusNotifierHostRegistered(false)
 {
--- a/src/platformsupport/dbusmenu/qdbusmenuconnection_p.h
+++ b/src/platformsupport/dbusmenu/qdbusmenuconnection_p.h
@ -67,7 +67,7 @@ class QDBusMenuConnection : public QObject
    Q_OBJECT

 public:
-    QDBusMenuConnection(QObject *parent = 0);
+    QDBusMenuConnection(QObject *parent = 0, const QString &serviceName = QString());
    QDBusConnection connection() const { return m_connection; }
    bool isStatusNotifierHostRegistered() const { return m_statusNotifierHostRegistered; }
 #ifndef QT_NO_SYSTEMTRAYICON
--- a/src/platformsupport/dbustray/qdbustrayicon.cpp
+++ b/src/platformsupport/dbustray/qdbustrayicon.cpp
@ -171,7 +171,7 @@ QTemporaryFile *QDBusTrayIcon::tempIcon(const QIcon &icon)
 QDBusMenuConnection * QDBusTrayIcon::dBusConnection()
 {
    if (!m_dbusConnection) {
-        m_dbusConnection = new QDBusMenuConnection(this);
+        m_dbusConnection = new QDBusMenuConnection(this, m_instanceId);
        m_notifier = new QXdgNotificationInterface(XdgNotificationService,
            XdgNotificationPath, m_dbusConnection->connection(), this);
        connect(m_notifier, SIGNAL(NotificationClosed(uint,uint)), this, SLOT(notificationClosed(uint,uint)));
--- a/src/platformsupport/eglconvenience/qeglpbuffer_p.h
+++ b/src/platformsupport/eglconvenience/qeglpbuffer_p.h
@ -51,9 +51,9 @@
 // We mean it.
 //

-#include <EGL/egl.h>
 #include <qpa/qplatformoffscreensurface.h>
 #include <QtPlatformSupport/private/qeglplatformcontext_p.h>
+#include <EGL/egl.h>

 QT_BEGIN_NAMESPACE

--- a/src/platformsupport/fbconvenience/qfbbackingstore.cpp
+++ b/src/platformsupport/fbconvenience/qfbbackingstore.cpp
@ -43,6 +43,7 @@

 #include <qpa/qplatformwindow.h>
 #include <QtGui/qscreen.h>
+#include <QtGui/qpainter.h>

 QT_BEGIN_NAMESPACE

@ -90,9 +91,17 @@ void QFbBackingStore::unlock()
    mImageMutex.unlock();
 }

-void QFbBackingStore::beginPaint(const QRegion &)
+void QFbBackingStore::beginPaint(const QRegion &region)
 {
    lock();
+
+    if (mImage.hasAlphaChannel()) {
+        QPainter p(&mImage);
+        p.setCompositionMode(QPainter::CompositionMode_Source);
+        const QVector<QRect> rects = region.rects();
+        for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it)
+            p.fillRect(*it, Qt::transparent);
+    }
 }

 void QFbBackingStore::endPaint()
--- a/src/platformsupport/fbconvenience/qfbscreen.cpp
+++ b/src/platformsupport/fbconvenience/qfbscreen.cpp
@ -239,6 +239,7 @@ QRegion QFbScreen::doRedraw()

    if (!mCompositePainter)
        mCompositePainter = new QPainter(mScreenImage);
+
    for (int rectIndex = 0; rectIndex < mRepaintRegion.rectCount(); rectIndex++) {
        QRegion rectRegion = rects[rectIndex];

@ -256,7 +257,8 @@ QRegion QFbScreen::doRedraw()
            foreach (const QRect &rect, intersect.rects()) {
                bool firstLayer = true;
                if (layer == -1) {
-                    mCompositePainter->fillRect(rect, Qt::black);
+                    mCompositePainter->setCompositionMode(QPainter::CompositionMode_Source);
+                    mCompositePainter->fillRect(rect, mScreenImage->hasAlphaChannel() ? Qt::transparent : Qt::black);
                    firstLayer = false;
                    layer = mWindowStack.size() - 1;
                }
@ -289,6 +291,7 @@ QRegion QFbScreen::doRedraw()

    QRect cursorRect;
    if (mCursor && (mCursor->isDirty() || mRepaintRegion.intersects(mCursor->lastPainted()))) {
+        mCompositePainter->setCompositionMode(QPainter::CompositionMode_SourceOver);
        cursorRect = mCursor->drawCursor(*mCompositePainter);
        touchedRegion += cursorRect;
    }
--- a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm
+++ b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm
@ -373,7 +373,7 @@ static QByteArray filenameForCFUrl(CFURLRef url)

    if (!CFURLGetFileSystemRepresentation(url, true, buffer, sizeof(buffer))) {
        qWarning("QCoreTextFontDatabase::filenameForCFUrl: could not resolve file for URL %s",
-                 qPrintable(QString::fromCFString(CFURLGetString(url))));
+                 url ? qPrintable(QString::fromCFString(CFURLGetString(url))) : "(null)");
    } else {
        QCFType<CFStringRef> scheme = CFURLCopyScheme(url);
        if (QString::fromCFString(scheme) == QLatin1String("qrc"))
--- a/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm
+++ b/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm
@ -47,6 +47,49 @@

 #include <cmath>

+#if defined(Q_OS_OSX) && !QT_OSX_DEPLOYMENT_TARGET_BELOW(__MAC_10_11)
+#import <AppKit/AppKit.h>
+#endif
+
+#if defined(Q_OS_IOS) && !QT_IOS_DEPLOYMENT_TARGET_BELOW(__IPHONE_8_2)
+#import <UIKit/UIKit.h>
+#endif
+
+// These are available cross platform, exported as kCTFontWeightXXX from CoreText.framework,
+// but they are not documented and are not in public headers so are private API and exposed
+// only through the NSFontWeightXXX and UIFontWeightXXX aliases in AppKit and UIKit (rdar://26109857)
+#if QT_MAC_DEPLOYMENT_TARGET_BELOW(__MAC_10_11, __IPHONE_8_2)
+#define kCTFontWeightUltraLight -0.8
+#define kCTFontWeightThin -0.6
+#define kCTFontWeightLight -0.4
+#define kCTFontWeightRegular 0
+#define kCTFontWeightMedium 0.23
+#define kCTFontWeightSemibold 0.3
+#define kCTFontWeightBold 0.4
+#define kCTFontWeightHeavy 0.56
+#define kCTFontWeightBlack 0.62
+#elif defined(Q_OS_OSX)
+#define kCTFontWeightUltraLight NSFontWeightUltraLight
+#define kCTFontWeightThin NSFontWeightThin
+#define kCTFontWeightLight NSFontWeightLight
+#define kCTFontWeightRegular NSFontWeightRegular
+#define kCTFontWeightMedium NSFontWeightMedium
+#define kCTFontWeightSemibold NSFontWeightSemibold
+#define kCTFontWeightBold NSFontWeightBold
+#define kCTFontWeightHeavy NSFontWeightHeavy
+#define kCTFontWeightBlack NSFontWeightBlack
+#elif defined(Q_OS_IOS)
+#define kCTFontWeightUltraLight UIFontWeightUltraLight
+#define kCTFontWeightThin UIFontWeightThin
+#define kCTFontWeightLight UIFontWeightLight
+#define kCTFontWeightRegular UIFontWeightRegular
+#define kCTFontWeightMedium UIFontWeightMedium
+#define kCTFontWeightSemibold UIFontWeightSemibold
+#define kCTFontWeightBold UIFontWeightBold
+#define kCTFontWeightHeavy UIFontWeightHeavy
+#define kCTFontWeightBlack UIFontWeightBlack
+#endif
+
 QT_BEGIN_NAMESPACE

 static float SYNTHETIC_ITALIC_SKEW = std::tan(14.f * std::acos(0.f) / 90.f);
@ -69,24 +112,24 @@ bool QCoreTextFontEngine::ct_getSfntTable(void *user_data, uint tag, uchar *buff

 QFont::Weight QCoreTextFontEngine::qtWeightFromCFWeight(float value)
 {
-    if (value >= 0.62)
+    if (value >= kCTFontWeightBlack)
        return QFont::Black;
-    if (value >= 0.5)
+    if (value >= kCTFontWeightHeavy)
        return QFont::ExtraBold;
-    if (value >= 0.4)
+    if (value >= kCTFontWeightBold)
        return QFont::Bold;
-    if (value >= 0.3)
+    if (value >= kCTFontWeightSemibold)
        return QFont::DemiBold;
-    if (value >= 0.2)
+    if (value >= kCTFontWeightMedium)
        return QFont::Medium;
-    if (value == 0.0)
+    if (value == kCTFontWeightRegular)
        return QFont::Normal;
-    if (value <= -0.4)
-        return QFont::Light;
-    if (value <= -0.6)
-        return QFont::ExtraLight;
-    if (value <= -0.8)
+    if (value <= kCTFontWeightUltraLight)
        return QFont::Thin;
+    if (value <= kCTFontWeightThin)
+        return QFont::ExtraLight;
+    if (value <= kCTFontWeightLight)
+        return QFont::Light;
    return QFont::Normal;
 }

--- a/src/plugins/bearer/nativewifi/main.cpp
+++ b/src/plugins/bearer/nativewifi/main.cpp
@ -41,7 +41,6 @@
 #include "platformdefs.h"

 #include <QtCore/qmutex.h>
-#include <QtCore/private/qmutexpool_p.h>
 #include <QtCore/qlibrary.h>

 #include <QtNetwork/private/qbearerplugin_p.h>
@ -52,42 +51,32 @@

 QT_BEGIN_NAMESPACE

-static void resolveLibrary()
+static bool resolveLibraryInternal()
 {
-    static QBasicAtomicInt triedResolve = Q_BASIC_ATOMIC_INITIALIZER(false);
-
-    if (!triedResolve.loadAcquire()) {
-#ifndef QT_NO_THREAD
-        QMutexLocker locker(QMutexPool::globalInstanceGet(&local_WlanOpenHandle));
-#endif
-
-        if (!triedResolve.load()) {
-            QLibrary wlanapiLib(QLatin1String("wlanapi"));
-            local_WlanOpenHandle = (WlanOpenHandleProto)
-                wlanapiLib.resolve("WlanOpenHandle");
-            local_WlanRegisterNotification = (WlanRegisterNotificationProto)
-                wlanapiLib.resolve("WlanRegisterNotification");
-            local_WlanEnumInterfaces = (WlanEnumInterfacesProto)
-                wlanapiLib.resolve("WlanEnumInterfaces");
-            local_WlanGetAvailableNetworkList = (WlanGetAvailableNetworkListProto)
-                wlanapiLib.resolve("WlanGetAvailableNetworkList");
-            local_WlanQueryInterface = (WlanQueryInterfaceProto)
-                wlanapiLib.resolve("WlanQueryInterface");
-            local_WlanConnect = (WlanConnectProto)
-                wlanapiLib.resolve("WlanConnect");
-            local_WlanDisconnect = (WlanDisconnectProto)
-                wlanapiLib.resolve("WlanDisconnect");
-            local_WlanScan = (WlanScanProto)
-                wlanapiLib.resolve("WlanScan");
-            local_WlanFreeMemory = (WlanFreeMemoryProto)
-                wlanapiLib.resolve("WlanFreeMemory");
-            local_WlanCloseHandle = (WlanCloseHandleProto)
-                wlanapiLib.resolve("WlanCloseHandle");
-
-            triedResolve.storeRelease(true);
-        }
-    }
+    QLibrary wlanapiLib(QLatin1String("wlanapi"));
+    local_WlanOpenHandle = (WlanOpenHandleProto)
+                           wlanapiLib.resolve("WlanOpenHandle");
+    local_WlanRegisterNotification = (WlanRegisterNotificationProto)
+                                     wlanapiLib.resolve("WlanRegisterNotification");
+    local_WlanEnumInterfaces = (WlanEnumInterfacesProto)
+                               wlanapiLib.resolve("WlanEnumInterfaces");
+    local_WlanGetAvailableNetworkList = (WlanGetAvailableNetworkListProto)
+                                        wlanapiLib.resolve("WlanGetAvailableNetworkList");
+    local_WlanQueryInterface = (WlanQueryInterfaceProto)
+                               wlanapiLib.resolve("WlanQueryInterface");
+    local_WlanConnect = (WlanConnectProto)
+                        wlanapiLib.resolve("WlanConnect");
+    local_WlanDisconnect = (WlanDisconnectProto)
+                           wlanapiLib.resolve("WlanDisconnect");
+    local_WlanScan = (WlanScanProto)
+                     wlanapiLib.resolve("WlanScan");
+    local_WlanFreeMemory = (WlanFreeMemoryProto)
+                           wlanapiLib.resolve("WlanFreeMemory");
+    local_WlanCloseHandle = (WlanCloseHandleProto)
+                            wlanapiLib.resolve("WlanCloseHandle");
+    return true;
 }
+Q_GLOBAL_STATIC_WITH_ARGS(bool, resolveLibrary, (resolveLibraryInternal()))

 class QNativeWifiEnginePlugin : public QBearerEnginePlugin
 {
--- a/src/plugins/imageformats/ico/qicohandler.cpp
+++ b/src/plugins/imageformats/ico/qicohandler.cpp
@ -60,7 +60,7 @@ QT_BEGIN_NAMESPACE
 typedef struct
 {
    quint8  bWidth;               // Width of the image
-    quint8  bHeight;              // Height of the image (times 2)
+    quint8  bHeight;              // Height of the image (actual height, not times 2)
    quint8  bColorCount;          // Number of colors in image (0 if >=8bpp) [ not ture ]
    quint8  bReserved;            // Reserved
    quint16 wPlanes;              // Color Planes
@ -687,8 +687,8 @@ bool ICOReader::write(QIODevice *device, const QVector<QImage> &images)
            entries[i].bColorCount = 0;
            entries[i].bReserved = 0;
            entries[i].wBitCount = nbits;
-            entries[i].bHeight = image.height();
-            entries[i].bWidth = image.width();
+            entries[i].bHeight = image.height() < 256 ? image.height() : 0;  // 0 means 256
+            entries[i].bWidth = image.width() < 256 ? image.width() : 0;     // 0 means 256
            entries[i].dwBytesInRes = BMP_INFOHDR_SIZE + (bpl_bmp * image.height())
                + (maskImage.bytesPerLine() * maskImage.height());
            entries[i].wPlanes = 1;
@ -702,11 +702,11 @@ bool ICOReader::write(QIODevice *device, const QVector<QImage> &images)
            bmpHeaders[i].biClrImportant = 0;
            bmpHeaders[i].biClrUsed = entries[i].bColorCount;
            bmpHeaders[i].biCompression = 0;
-            bmpHeaders[i].biHeight = entries[i].bHeight * 2; // 2 is for the mask
+            bmpHeaders[i].biHeight = entries[i].bHeight ? entries[i].bHeight * 2 : 256 * 2; // 2 is for the mask
            bmpHeaders[i].biPlanes = entries[i].wPlanes;
            bmpHeaders[i].biSize = BMP_INFOHDR_SIZE;
            bmpHeaders[i].biSizeImage = entries[i].dwBytesInRes - BMP_INFOHDR_SIZE;
-            bmpHeaders[i].biWidth = entries[i].bWidth;
+            bmpHeaders[i].biWidth = entries[i].bWidth ? entries[i].bWidth : 256;
            bmpHeaders[i].biXPelsPerMeter = 0;
            bmpHeaders[i].biYPelsPerMeter = 0;

--- a/src/plugins/platforms/cocoa/qcocoacolordialoghelper.mm
+++ b/src/plugins/platforms/cocoa/qcocoacolordialoghelper.mm
@ -58,7 +58,7 @@ static NSButton *macCreateButton(const char *text, NSView *superview)
    [button setButtonType:NSMomentaryLightButton];
    [button setBezelStyle:NSRoundedBezelStyle];
    [button setTitle:(NSString*)(CFStringRef)QCFString(
-            QPlatformTheme::removeMnemonics(QCoreApplication::translate("QDialogButtonBox", text)))];
+            QPlatformTheme::removeMnemonics(QCoreApplication::translate("QPlatformTheme", text)))];
    [[button cell] setFont:[NSFont systemFontOfSize:
            [NSFont systemFontSizeForControlSize:NSRegularControlSize]]];
    [superview addSubview:button];
--- a/src/plugins/platforms/cocoa/qcocoamenubar.mm
+++ b/src/plugins/platforms/cocoa/qcocoamenubar.mm
@ -179,7 +179,9 @@ void QCocoaMenuBar::syncMenu(QPlatformMenu *menu)
            }
    }

-    nativeItemForMenu(cocoaMenu).hidden = shouldHide;
+    NSMenuItem *nativeMenuItem = nativeItemForMenu(cocoaMenu);
+    nativeMenuItem.title = cocoaMenu->nsMenu().title;
+    nativeMenuItem.hidden = shouldHide;
 }

 NSMenuItem *QCocoaMenuBar::nativeItemForMenu(QCocoaMenu *menu) const
--- a/src/plugins/platforms/cocoa/qcocoamenuitem.mm
+++ b/src/plugins/platforms/cocoa/qcocoamenuitem.mm
@ -118,6 +118,8 @@ QCocoaMenuItem::~QCocoaMenuItem()
    if (m_merged) {
        [m_native setHidden:YES];
    } else {
+        if (m_menu && m_menu->attachedItem() == m_native)
+            m_menu->setAttachedItem(nil);
        [m_native release];
    }

--- a/src/plugins/platforms/cocoa/qcocoawindow.h
+++ b/src/plugins/platforms/cocoa/qcocoawindow.h
@ -44,6 +44,7 @@

 #include <qpa/qplatformwindow.h>
 #include <QRect>
+#include <QPointer>

 #ifndef QT_NO_OPENGL
 #include "qcocoaglcontext.h"
@ -53,6 +54,32 @@

 QT_FORWARD_DECLARE_CLASS(QCocoaWindow)

+QT_BEGIN_NAMESPACE
+
+class QCocoaWindowPointer
+{
+public:
+    void assign(QCocoaWindow *w);
+    void clear();
+
+    QCocoaWindow *data() const
+    { return watcher.isNull() ? Q_NULLPTR : window; }
+    bool isNull() const
+    { return watcher.isNull(); }
+    operator QCocoaWindow*() const
+    { return data(); }
+    QCocoaWindow *operator->() const
+    { return data(); }
+    QCocoaWindow &operator*() const
+    { return *data(); }
+
+private:
+    QPointer<QObject> watcher;
+    QCocoaWindow *window;
+};
+
+QT_END_NAMESPACE
+
@class QT_MANGLE_NAMESPACE(QNSWindowHelper);

@protocol QNSWindowProtocol
@ -69,14 +96,13 @@ typedef NSWindow<QNSWindowProtocol> QCocoaNSWindow;
@interface QT_MANGLE_NAMESPACE(QNSWindowHelper) : NSObject
 {
    QCocoaNSWindow *_window;
-    QCocoaWindow *_platformWindow;
+    QCocoaWindowPointer _platformWindow;
    BOOL _grabbingMouse;
    BOOL _releaseOnMouseUp;
-    QPointer<QObject> _watcher;
 }

@property (nonatomic, readonly) QCocoaNSWindow *window;
-@property (nonatomic, readonly) QCocoaWindow *platformWindow;
+@property (nonatomic, readonly) QCocoaWindowPointer platformWindow;
@property (nonatomic) BOOL grabbingMouse;
@property (nonatomic) BOOL releaseOnMouseUp;

@ -260,7 +286,7 @@ public: // for QNSView
    NSView *m_contentView;
    QNSView *m_qtView;
    QCocoaNSWindow *m_nsWindow;
-    QCocoaWindow *m_forwardWindow;
+    QCocoaWindowPointer m_forwardWindow;

    // TODO merge to one variable if possible
    bool m_contentViewIsEmbedded; // true if the m_contentView is actually embedded in a "foreign" NSView hiearchy
@ -323,9 +349,8 @@ public: // for QNSView
    QHash<quintptr, BorderRange> m_contentBorderAreas; // identifer -> uppper/lower
    QHash<quintptr, bool> m_enabledContentBorderAreas; // identifer -> enabled state (true/false)

-    // This object is tracked by a 'watcher'
-    // object in a window helper, preventing use of dangling
-    // pointers.
+    // This object is tracked by QCocoaWindowPointer,
+    // preventing the use of dangling pointers.
    QObject sentinel;
 };

--- a/src/plugins/platforms/cocoa/qcocoawindow.mm
+++ b/src/plugins/platforms/cocoa/qcocoawindow.mm
@ -90,7 +90,7 @@ static bool isMouseEvent(NSEvent *ev)
    self = [super init];
    if (self) {
        _window = window;
-        _platformWindow = platformWindow;
+        _platformWindow.assign(platformWindow);

        _window.delegate = [[QNSWindowDelegate alloc] initWithQCocoaWindow:_platformWindow];

@ -99,7 +99,6 @@ static bool isMouseEvent(NSEvent *ev)
        // make sure that m_nsWindow stays valid until the
        // QCocoaWindow is deleted by Qt.
        [_window setReleasedWhenClosed:NO];
-        _watcher = &_platformWindow->sentinel;
    }

    return self;
@ -108,19 +107,19 @@ static bool isMouseEvent(NSEvent *ev)
 - (void)handleWindowEvent:(NSEvent *)theEvent
 {
    QCocoaWindow *pw = self.platformWindow;
-    if (_watcher && pw && pw->m_forwardWindow) {
+    if (pw && pw->m_forwardWindow) {
        if (theEvent.type == NSLeftMouseUp || theEvent.type == NSLeftMouseDragged) {
            QNSView *forwardView = pw->m_qtView;
            if (theEvent.type == NSLeftMouseUp) {
                [forwardView mouseUp:theEvent];
-                pw->m_forwardWindow = 0;
+                pw->m_forwardWindow.clear();
            } else {
                [forwardView mouseDragged:theEvent];
            }
        }

        if (!pw->m_isNSWindowChild && theEvent.type == NSLeftMouseDown) {
-            pw->m_forwardWindow = 0;
+            pw->m_forwardWindow.clear();
        }
    }

@ -147,7 +146,7 @@ static bool isMouseEvent(NSEvent *ev)
    if (!self.window.delegate)
        return; // Already detached, pending NSAppKitDefined event

-    if (_watcher && pw && pw->frameStrutEventsEnabled() && isMouseEvent(theEvent)) {
+    if (pw && pw->frameStrutEventsEnabled() && isMouseEvent(theEvent)) {
        NSPoint loc = [theEvent locationInWindow];
        NSRect windowFrame = [self.window convertRectFromScreen:[self.window frame]];
        NSRect contentFrame = [[self.window contentView] frame];
@ -162,8 +161,7 @@ static bool isMouseEvent(NSEvent *ev)

 - (void)detachFromPlatformWindow
 {
-    _platformWindow = 0;
-    _watcher.clear();
+    self.platformWindow.clear();
    [self.window.delegate release];
    self.window.delegate = nil;
 }
@ -184,7 +182,7 @@ static bool isMouseEvent(NSEvent *ev)
 - (void)dealloc
 {
    _window = nil;
-    _platformWindow = 0;
+    self.platformWindow.clear();
    [super dealloc];
 }

@ -336,6 +334,18 @@ static bool isMouseEvent(NSEvent *ev)

@end

+void QCocoaWindowPointer::assign(QCocoaWindow *w)
+{
+    window = w;
+    watcher = &w->sentinel;
+}
+
+void QCocoaWindowPointer::clear()
+{
+    window = Q_NULLPTR;
+    watcher.clear();
+}
+
 const int QCocoaWindow::NoAlertRequest = -1;

 QCocoaWindow::QCocoaWindow(QWindow *tlw)
@ -343,7 +353,6 @@ QCocoaWindow::QCocoaWindow(QWindow *tlw)
    , m_contentView(nil)
    , m_qtView(nil)
    , m_nsWindow(0)
-    , m_forwardWindow(0)
    , m_contentViewIsEmbedded(false)
    , m_contentViewIsToBeEmbedded(false)
    , m_parentCocoaWindow(0)
@ -1138,8 +1147,7 @@ bool QCocoaWindow::setKeyboardGrabEnabled(bool grab)

    if (grab && ![m_nsWindow isKeyWindow])
        [m_nsWindow makeKeyWindow];
-    else if (!grab && [m_nsWindow isKeyWindow])
-        [m_nsWindow resignKeyWindow];
+
    return true;
 }

@ -1151,8 +1159,7 @@ bool QCocoaWindow::setMouseGrabEnabled(bool grab)

    if (grab && ![m_nsWindow isKeyWindow])
        [m_nsWindow makeKeyWindow];
-    else if (!grab && [m_nsWindow isKeyWindow])
-        [m_nsWindow resignKeyWindow];
+
    return true;
 }

@ -1339,7 +1346,7 @@ void QCocoaWindow::recreateWindow(const QPlatformWindow *parentWindow)
        if (oldParentCocoaWindow) {
            if (!m_isNSWindowChild || oldParentCocoaWindow != m_parentCocoaWindow)
                oldParentCocoaWindow->removeChildWindow(this);
-            m_forwardWindow = oldParentCocoaWindow;
+            m_forwardWindow.assign(oldParentCocoaWindow);
        }

        setNSWindow(m_nsWindow);
--- a/src/plugins/platforms/cocoa/qnsview.mm
+++ b/src/plugins/platforms/cocoa/qnsview.mm
@ -290,6 +290,7 @@ static bool _q_dontOverrideCtrlLMB = false;

 - (void)viewDidMoveToWindow
 {
+    m_backingStore = Q_NULLPTR;
    m_isMenuView = [self.window.className isEqualToString:@"NSCarbonMenuWindow"];
    if (self.window) {
        // This is the case of QWidgetAction's generated QWidget inserted in an NSMenu.
@ -760,7 +761,7 @@ QT_WARNING_POP
        if (theEvent.type == NSLeftMouseDragged || theEvent.type == NSLeftMouseUp)
            targetView = m_platformWindow->m_forwardWindow->m_qtView;
        else
-            m_platformWindow->m_forwardWindow = 0;
+            m_platformWindow->m_forwardWindow.clear();
    }

    // Popups implicitly grap mouse events; forward to the active popup if there is one
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmcursor.cpp
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmcursor.cpp
@ -48,6 +48,7 @@
 #include <QtCore/QJsonArray>
 #include <QtCore/QLoggingCategory>
 #include <QtGui/QPainter>
+#include <QtGui/private/qguiapplication_p.h>

 #include <xf86drm.h>
 #include <xf86drmMode.h>
@ -69,13 +70,13 @@ QEglFSKmsGbmCursor::QEglFSKmsGbmCursor(QEglFSKmsGbmScreen *screen)
    , m_cursorSize(64, 64) // 64x64 is the old standard size, we now try to query the real size below
    , m_bo(Q_NULLPTR)
    , m_cursorImage(0, 0, 0, 0, 0, 0)
-    , m_visible(true)
+    , m_state(CursorPendingVisible)
 {
    QByteArray hideCursorVal = qgetenv("QT_QPA_EGLFS_HIDECURSOR");
-    if (!hideCursorVal.isEmpty())
-        m_visible = hideCursorVal.toInt() == 0;
-    if (!m_visible)
+    if (!hideCursorVal.isEmpty() && hideCursorVal.toInt()) {
+        m_state = CursorDisabled;
        return;
+    }

    uint64_t width, height;
    if ((drmGetCap(m_screen->device()->fd(), DRM_CAP_CURSOR_WIDTH, &width) == 0)
@ -92,6 +93,12 @@ QEglFSKmsGbmCursor::QEglFSKmsGbmCursor(QEglFSKmsGbmScreen *screen)
        initCursorAtlas();
    }

+    m_deviceListener = new QEglFSKmsGbmCursorDeviceListener(this);
+    connect(QGuiApplicationPrivate::inputDeviceManager(), &QInputDeviceManager::deviceListChanged,
+            m_deviceListener, &QEglFSKmsGbmCursorDeviceListener::onDeviceListChanged);
+    if (!m_deviceListener->hasMouse())
+        m_state = CursorPendingHidden;
+
 #ifndef QT_NO_CURSOR
    QCursor cursor(Qt::ArrowCursor);
    changeCursor(&cursor, 0);
@ -101,6 +108,8 @@ QEglFSKmsGbmCursor::QEglFSKmsGbmCursor(QEglFSKmsGbmScreen *screen)

 QEglFSKmsGbmCursor::~QEglFSKmsGbmCursor()
 {
+    delete m_deviceListener;
+
    Q_FOREACH (QPlatformScreen *screen, m_screen->virtualSiblings()) {
        QEglFSKmsScreen *kmsScreen = static_cast<QEglFSKmsScreen *>(screen);
        drmModeSetCursor(kmsScreen->device()->fd(), kmsScreen->output().crtc_id, 0, 0, 0);
@ -113,6 +122,31 @@ QEglFSKmsGbmCursor::~QEglFSKmsGbmCursor()
    }
 }

+void QEglFSKmsGbmCursor::updateMouseStatus()
+{
+    const bool wasVisible = m_state == CursorVisible;
+    const bool visible = m_deviceListener->hasMouse();
+    if (visible == wasVisible)
+        return;
+
+    m_state = visible ? CursorPendingVisible : CursorPendingHidden;
+
+#ifndef QT_NO_CURSOR
+    changeCursor(nullptr, m_screen->topLevelAt(pos()));
+#endif
+}
+
+bool QEglFSKmsGbmCursorDeviceListener::hasMouse() const
+{
+    return QGuiApplicationPrivate::inputDeviceManager()->deviceCount(QInputDeviceManager::DeviceTypePointer) > 0;
+}
+
+void QEglFSKmsGbmCursorDeviceListener::onDeviceListChanged(QInputDeviceManager::DeviceType type)
+{
+    if (type == QInputDeviceManager::DeviceTypePointer)
+        m_cursor->updateMouseStatus();
+}
+
 void QEglFSKmsGbmCursor::pointerEvent(const QMouseEvent &event)
 {
    setPos(event.screenPos().toPoint());
@ -126,7 +160,15 @@ void QEglFSKmsGbmCursor::changeCursor(QCursor *windowCursor, QWindow *window)
    if (!m_bo)
        return;

-    if (!m_visible)
+    if (m_state == CursorPendingHidden) {
+        m_state = CursorHidden;
+        Q_FOREACH (QPlatformScreen *screen, m_screen->virtualSiblings()) {
+            QEglFSKmsScreen *kmsScreen = static_cast<QEglFSKmsScreen *>(screen);
+            drmModeSetCursor(kmsScreen->device()->fd(), kmsScreen->output().crtc_id, 0, 0, 0);
+        }
+    }
+
+    if (m_state == CursorHidden || m_state == CursorDisabled)
        return;

    const Qt::CursorShape newShape = windowCursor ? windowCursor->shape() : Qt::ArrowCursor;
@ -166,6 +208,9 @@ void QEglFSKmsGbmCursor::changeCursor(QCursor *windowCursor, QWindow *window)

    uint32_t handle = gbm_bo_get_handle(m_bo).u32;

+    if (m_state == CursorPendingVisible)
+        m_state = CursorVisible;
+
    Q_FOREACH (QPlatformScreen *screen, m_screen->virtualSiblings()) {
        QEglFSKmsScreen *kmsScreen = static_cast<QEglFSKmsScreen *>(screen);

@ -213,7 +258,7 @@ void QEglFSKmsGbmCursor::initCursorAtlas()
            drmModeSetCursor(kmsScreen->device()->fd(), kmsScreen->output().crtc_id, 0, 0, 0);
            drmModeMoveCursor(kmsScreen->device()->fd(), kmsScreen->output().crtc_id, 0, 0);
        }
-        m_visible = false;
+        m_state = CursorDisabled;
        return;
    }

--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmcursor.h
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmcursor.h
@ -43,12 +43,29 @@
 #include <qpa/qplatformcursor.h>
 #include <QtCore/QList>
 #include <QtGui/QImage>
+#include <QtGui/private/qinputdevicemanager_p.h>

 #include <gbm.h>

 QT_BEGIN_NAMESPACE

 class QEglFSKmsGbmScreen;
+class QEglFSKmsGbmCursor;
+
+class QEglFSKmsGbmCursorDeviceListener : public QObject
+{
+    Q_OBJECT
+
+public:
+    QEglFSKmsGbmCursorDeviceListener(QEglFSKmsGbmCursor *cursor) : m_cursor(cursor) { }
+    bool hasMouse() const;
+
+public slots:
+    void onDeviceListChanged(QInputDeviceManager::DeviceType type);
+
+private:
+    QEglFSKmsGbmCursor *m_cursor;
+};

 class QEglFSKmsGbmCursor : public QPlatformCursor
 {
@ -66,15 +83,26 @@ public:
    QPoint pos() const Q_DECL_OVERRIDE;
    void setPos(const QPoint &pos) Q_DECL_OVERRIDE;

+    void updateMouseStatus();
+
 private:
    void initCursorAtlas();

+    enum CursorState {
+        CursorDisabled,
+        CursorPendingHidden,
+        CursorHidden,
+        CursorPendingVisible,
+        CursorVisible
+    };
+
    QEglFSKmsGbmScreen *m_screen;
    QSize m_cursorSize;
    gbm_bo *m_bo;
    QPoint m_pos;
    QPlatformCursorImage m_cursorImage;
-    bool m_visible;
+    CursorState m_state;
+    QEglFSKmsGbmCursorDeviceListener *m_deviceListener;

    // cursor atlas information
    struct CursorAtlas {
--- a/src/plugins/platforms/eglfs/qeglfscontext.cpp
+++ b/src/plugins/platforms/eglfs/qeglfscontext.cpp
@ -37,6 +37,7 @@
 **
 ****************************************************************************/

+#include "qeglfsglobal.h"
 #include <QtGui/QSurface>
 #include <QtPlatformSupport/private/qeglconvenience_p.h>
 #include <QtPlatformSupport/private/qeglpbuffer_p.h>
--- a/src/plugins/platforms/eglfs/qeglfscontext.h
+++ b/src/plugins/platforms/eglfs/qeglfscontext.h
@ -40,9 +40,9 @@
 #ifndef QEGLFSCONTEXT_H
 #define QEGLFSCONTEXT_H

+#include "qeglfsglobal.h"
 #include <QtPlatformSupport/private/qeglplatformcontext_p.h>
 #include <QtCore/QVariant>
-#include "qeglfsglobal.h"

 QT_BEGIN_NAMESPACE

--- a/src/plugins/platforms/eglfs/qeglfsdeviceintegration.h
+++ b/src/plugins/platforms/eglfs/qeglfsdeviceintegration.h
@ -51,13 +51,12 @@
 // We mean it.
 //

+#include "qeglfsglobal.h"
 #include <qpa/qplatformintegration.h>
 #include <qpa/qplatformscreen.h>
 #include <QtCore/QString>
 #include <QtGui/QSurfaceFormat>
 #include <QtGui/QImage>
-#include <EGL/egl.h>
-#include "qeglfsglobal.h"

 QT_BEGIN_NAMESPACE

--- a/src/plugins/platforms/eglfs/qeglfsglobal.h
+++ b/src/plugins/platforms/eglfs/qeglfsglobal.h
@ -48,4 +48,17 @@
 #define Q_EGLFS_EXPORT Q_DECL_IMPORT
 #endif

+#include <EGL/egl.h>
+#undef Status
+#undef None
+#undef Bool
+#undef CursorShape
+#undef KeyPress
+#undef KeyRelease
+#undef FocusIn
+#undef FocusOut
+#undef FontChange
+#undef Expose
+#undef Unsorted
+
 #endif
--- a/Show More
+++ b/Show More