Merge remote-tracking branch 'origin/dev' into wip/qt6

Change-Id: I54741635460bb2d8f3fd0be535ee1968d6c442bb
2019-09-04 14:33:40 +02:00 · 2019-09-04 14:33:40 +02:00 · f255b1e8e2
commit f255b1e8e2
parent 7e8705f663 bf8fcab8bb
768 changed files with 130342 additions and 82513 deletions
--- a/.qmake.conf
+++ b/.qmake.conf
@ -2,7 +2,6 @@ load(qt_build_config)
 CONFIG += warning_clean

 DEFINES += QT_NO_JAVA_STYLE_ITERATORS
-DEFINES += QT_NO_LINKED_LIST

 QT_SOURCE_TREE = $$PWD
 QT_BUILD_TREE = $$shadowed($$PWD)
--- a/bin/syncqt.pl
+++ b/bin/syncqt.pl
@ -79,9 +79,6 @@ normalizePath(\$out_basedir);
 our $build_basedir;
 our $basedir;

-# Make sure we use Windows line endings for chomp and friends on Windows.
-$INPUT_RECORD_SEPARATOR = "\r\n" if ($^O eq "msys");
-
 # will be defined based on the modules sync.profile
 our (%modules, %moduleheaders, @allmoduleheadersprivate, %classnames, %deprecatedheaders);
 our (@qpa_headers, @private_headers);
@ -182,10 +179,10 @@ sub shouldMasterInclude {
    my ($iheader) = @_;
    return 0 if (basename($iheader) =~ /_/);
    return 0 if (basename($iheader) =~ /qconfig/);
+    local $/ = "\x0a";
    if (open(F, "<$iheader")) {
        while (<F>) {
-            chomp;
-            chop if /\r$/;
+            s/\x0d?\x0a//;
            return 0 if (/^\#pragma qt_no_master_include$/);
        }
        close(F);
@ -215,11 +212,11 @@ sub classNames {
    my $ihdrbase = basename($iheader);

    my $parsable = "";
+    local $/ = "\x0a";
    if(open(F, "<$iheader")) {
        while(<F>) {
+            s/\x0d?\x0a//;
            my $line = $_;
-            chomp $line;
-                        chop $line if ($line =~ /\r$/);
            if($line =~ /^\#/) {
                $$clean = 0 if ($line =~ m/^#pragma qt_sync_skip_header_check/);
                return @ret if($line =~ m/^#pragma qt_sync_stop_processing/);
@ -231,6 +228,7 @@ sub classNames {
                $line .= ";" if($line =~ m/^Q_[A-Z_0-9]*\(.*\)[\r\n]*$/); #qt macro
                $line .= ";" if($line =~ m/^QT_(BEGIN|END)_HEADER[\r\n]*$/); #qt macro
                $line .= ";" if($line =~ m/^QT_(BEGIN|END)_NAMESPACE(_[A-Z]+)*[\r\n]*$/); #qt macro
+                $line .= ";" if($line =~ m/^QT_DEPRECATED_X\(.*\)[\r\n]*$/); #qt macro
                $line .= ";" if($line =~ m/^QT_MODULE\(.*\)[\r\n]*$/); # QT_MODULE macro
                $line .= ";" if($line =~ m/^QT_WARNING_(PUSH|POP|DISABLE_\w+\(.*\))[\r\n]*$/); # qt macros
                $$requires = $1 if ($line =~ m/^QT_REQUIRE_CONFIG\((.*)\);[\r\n]*$/);
@ -336,6 +334,7 @@ sub check_header {
        $header_skip_qt_begin_namespace_test = 1 if ($ignore_for_qt_begin_namespace_check{$header});
    }

+    local $/ = "\x0a";
    open(F, "<$iheader") or return;
    my $qt_begin_namespace_found = 0;
    my $qt_end_namespace_found = 0;
@ -344,7 +343,7 @@ sub check_header {
    my $stop_processing = 0;
    my $we_mean_it = 0;
    while ($line = <F>) {
-        chomp $line;
+        $line =~ s/\x0d?\x0a//;
        my $output_line = 1;
        if ($line =~ /^ *\# *pragma (qt_no_included_check|qt_sync_stop_processing)/) {
            $stop_processing = 1;
@ -965,9 +964,10 @@ foreach my $lib (@modules_to_sync) {
                        #push @files, "$out_basedir/include/Qt/$t" if(-e "$out_basedir/include/Qt/$t");
                        foreach my $file (@files) {
                           my $remove_file = 0;
+                           local $/ = "\x0a";
                           if(open(F, "<$file")) {
                                while(my $line = <F>) {
-                                    chomp $line;
+                                    $line =~ s/\x0d?\x0a//;
                                    if($line =~ /^\#include \"([^\"]*)\"$/) {
                                        my $include = $1;
                                        $include = $subdir . "/" . $include unless(substr($include, 0, 1) eq "/");
--- a/config.tests/arch/arch.pro
+++ b/config.tests/arch/arch.pro
@ -1 +1,2 @@
 SOURCES = arch.cpp
+include(write_info.pri)
--- a/config.tests/arch/arch_host.pro
+++ b/config.tests/arch/arch_host.pro
@ -1,2 +1,3 @@
 option(host_build)
 SOURCES = arch.cpp
+include(write_info.pri)
--- a/config.tests/arch/write_info.pri
+++ b/config.tests/arch/write_info.pri
@ -0,0 +1,14 @@
+targetinfofile = $$basename(_PRO_FILE_)
+targetinfofile ~= s/pro$/target.txt/
+
+win32 {
+    ext = .exe
+} else:wasm {
+    equals(WASM_OBJECT_FILES, 1): \
+        ext = .o
+    else: \
+        ext = .wasm
+}
+
+content = $${file_prefix}$${TARGET}$${ext}
+write_file($$OUT_PWD/$$targetinfofile, content)
--- a/config_help.txt
+++ b/config_help.txt
@ -203,9 +203,8 @@ Build environment:
  -android-ndk-platform  Set Android platform
  -android-ndk-host .... Set Android NDK host (linux-x86, linux-x86_64, etc.)
                         [$ANDROID_NDK_HOST]
-  -android-arch ........ Set Android architecture (armeabi, armeabi-v7a,
-                         arm64-v8a, x86, x86_64)
-  -android-toolchain-version ... Set Android toolchain version
+  -android-abis .......  Comma separated Android abis, default is:
+                         armeabi-v7a,arm64-v8a,x86,x86_64
  -android-style-assets  Automatically extract style assets from the device at
                         run time. This option makes the Android style behave
                         correctly, but also makes the Android platform plugin
@ -297,8 +296,7 @@ Gui, printing, widget options:
    -gbm ............... Enable backends for GBM [auto] (Linux only)
    -kms ............... Enable backends for KMS [auto] (Linux only)
    -linuxfb ........... Enable Linux Framebuffer support [auto] (Linux only)
-    -xcb ............... Enable X11 support. Select used xcb-* libraries [system/qt/no]
-                         (-qt-xcb still uses system version of libxcb itself)
+    -xcb ............... Enable X11 support [auto] (Linux only)

  Input backends:
    -libudev............ Enable udev support [auto]
@ -307,7 +305,7 @@ Gui, printing, widget options:
    -libinput .......... Enable libinput support [auto]
    -mtdev ............. Enable mtdev support [auto]
    -tslib ............. Enable tslib support [auto]
-    -xcb-xinput ........ Enable XInput2 support [auto]
+    -bundled-xcb-xinput  Use bundled XInput2 support [auto]
    -xkbcommon ......... Enable key mapping support [auto]

  Image formats:
--- a/configure.json
+++ b/configure.json
@ -51,11 +51,11 @@
            "translationdir": "string",

            "android-arch": "string",
+            "android-abis": "string",
            "android-ndk": "string",
            "android-ndk-host": "string",
            "android-ndk-platform": "string",
            "android-sdk": "string",
-            "android-toolchain-version": "string",

            "android-style-assets": "boolean",
            "appstore-compliant": "boolean",
--- a/configure.pri
+++ b/configure.pri
@ -286,37 +286,13 @@ defineTest(qtConfTest_architecture) {
    !qtConfTest_compile($${1}): \
        error("Could not determine $$eval($${1}.label). See config.log for details.")

-    host = $$eval($${1}.host)
-    isEmpty(host): host = false
-    file_prefix =
-    exts = -
-    $$host {
-        equals(QMAKE_HOST.os, Windows): \
-            exts = .exe
-    } else {
-        win32 {
-            exts = .exe
-        } else:android {
-            file_prefix = lib
-            exts = .so
-        } else:wasm {
-            exts = .wasm .o
-        }
-    }
-
    test = $$eval($${1}.test)
    output = $$eval($${1}.output)
    test_out_dir = $$OUT_PWD/$$basename(QMAKE_CONFIG_TESTS_DIR)/$$test
-    test_out_file =
-    for(ext, exts) {
-        equals(ext, -): ext =
-        f = $$test_out_dir/$$file_prefix$$output$$ext
-        exists($$f) {
-            test_out_file = $$f
-            break()
-        }
-    }
-    isEmpty(test_out_file): \
+    test_out_file = $$test_out_dir/$$cat($$test_out_dir/$${output}.target.txt)
+    exists($$test_out_file): \
+        content = $$cat($$test_out_file, blob)
+    else: \
        error("$$eval($${1}.label) detection binary not found.")
    content = $$cat($$test_out_file, blob)

@ -597,14 +573,7 @@ defineTest(qtConfOutput_prepareOptions) {
            qtConfFatalError("Cannot find Android NDK." \
                             "Please use -android-ndk option to specify one.")

-        ndk_tc_ver = $$eval(config.input.android-toolchain-version)
-        isEmpty(ndk_tc_ver): \
-            ndk_tc_ver = 4.9
-        !exists($$ndk_root/toolchains/arm-linux-androideabi-$$ndk_tc_ver/prebuilt/*): \
-            qtConfFatalError("Cannot detect Android NDK toolchain." \
-                             "Please use -android-toolchain-version to specify it.")
-
-        ndk_tc_pfx = $$ndk_root/toolchains/arm-linux-androideabi-$$ndk_tc_ver/prebuilt
+        ndk_tc_pfx = $$ndk_root/toolchains/llvm/prebuilt
        ndk_host = $$eval(config.input.android-ndk-host)
        isEmpty(ndk_host): \
            ndk_host = $$getenv(ANDROID_NDK_HOST)
@ -642,10 +611,11 @@ defineTest(qtConfOutput_prepareOptions) {
                qtConfFatalError("Specified Android NDK host is invalid.")
        }

-        target_arch = $$eval(config.input.android-arch)
-        isEmpty(target_arch): \
-            target_arch = armeabi-v7a
-
+        android_abis = $$eval(config.input.android-abis)
+        isEmpty(android_abis): \
+            android_abis = $$eval(config.input.android-arch)
+        isEmpty(android_abis): \
+            android_abis = armeabi-v7a,arm64-v8a,x86,x86_64
        platform = $$eval(config.input.android-ndk-platform)
        isEmpty(platform): \
            platform = android-21
@ -655,8 +625,7 @@ defineTest(qtConfOutput_prepareOptions) {
            "DEFAULT_ANDROID_NDK_ROOT = $$val_escape(ndk_root)" \
            "DEFAULT_ANDROID_PLATFORM = $$platform" \
            "DEFAULT_ANDROID_NDK_HOST = $$ndk_host" \
-            "DEFAULT_ANDROID_TARGET_ARCH = $$target_arch" \
-            "DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION = $$ndk_tc_ver"
+            "DEFAULT_ANDROID_ABIS = $$split(android_abis, ',')"
    }

    export($${currentConfig}.output.devicePro)
--- a/doc/src/images/macmainwindow.png
+++ b/doc/src/images/macmainwindow.png
--- a/examples/corelib/threads/doc/src/mandelbrot.qdoc
+++ b/examples/corelib/threads/doc/src/mandelbrot.qdoc
@ -304,8 +304,8 @@
    \snippet threads/mandelbrot/mandelbrotwidget.cpp 12

    The wheel event handler is reimplemented to make the mouse wheel
-    control the zoom level. QWheelEvent::delta() returns the angle of
-    the wheel mouse movement, in eights of a degree. For most mice,
+    control the zoom level. QWheelEvent::angleDelta() returns the angle
+    of the wheel mouse movement, in eighths of a degree. For most mice,
    one wheel step corresponds to 15 degrees. We find out how many
    mouse steps we have and determine the resulting zoom factor.
    For example, if we have two wheel steps in the positive direction
--- a/examples/corelib/threads/mandelbrot/mandelbrotwidget.cpp
+++ b/examples/corelib/threads/mandelbrot/mandelbrotwidget.cpp
@ -176,7 +176,7 @@ void MandelbrotWidget::keyPressEvent(QKeyEvent *event)
 //! [12]
 void MandelbrotWidget::wheelEvent(QWheelEvent *event)
 {
-    int numDegrees = event->delta() / 8;
+    int numDegrees = event->angleDelta().y() / 8;
    double numSteps = numDegrees / 15.0f;
    zoom(pow(ZoomInFactor, numSteps));
 }
--- a/examples/widgets/animation/easing/window.cpp
+++ b/examples/widgets/animation/easing/window.cpp
@ -55,11 +55,10 @@ Window::Window(QWidget *parent)
    m_iconSize(64, 64)
 {
    m_ui.setupUi(this);
-    QButtonGroup *buttonGroup = findChild<QButtonGroup *>();     // ### workaround for uic in 4.4
    m_ui.easingCurvePicker->setIconSize(m_iconSize);
    m_ui.easingCurvePicker->setMinimumHeight(m_iconSize.height() + 50);
-    buttonGroup->setId(m_ui.lineRadio, 0);
-    buttonGroup->setId(m_ui.circleRadio, 1);
+    m_ui.buttonGroup->setId(m_ui.lineRadio, 0);
+    m_ui.buttonGroup->setId(m_ui.circleRadio, 1);

    QEasingCurve dummy;
    m_ui.periodSpinBox->setValue(dummy.period());
@ -68,7 +67,7 @@ Window::Window(QWidget *parent)

    connect(m_ui.easingCurvePicker, &QListWidget::currentRowChanged,
            this, &Window::curveChanged);
-    connect(buttonGroup, QOverload<int>::of(&QButtonGroup::buttonClicked),
+    connect(m_ui.buttonGroup, QOverload<int>::of(&QButtonGroup::buttonClicked),
            this, &Window::pathChanged);
    connect(m_ui.periodSpinBox, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
            this, &Window::periodChanged);
--- a/examples/widgets/animation/stickman/animation.cpp
+++ b/examples/widgets/animation/stickman/animation.cpp
@ -50,16 +50,13 @@

 #include "animation.h"

-#include <QPointF>
-#include <QVector>
 #include <QIODevice>
 #include <QDataStream>

 class Frame
 {
 public:
-    Frame() {
-    }
+    Frame() = default;

    int nodeCount() const
    {
@ -85,9 +82,8 @@ private:
    QVector<QPointF> m_nodePositions;
 };

-Animation::Animation()
+Animation::Animation() : m_currentFrame(0)
 {
-    m_currentFrame = 0;
    m_frames.append(new Frame);
 }

@ -103,6 +99,8 @@ void Animation::setTotalFrames(int totalFrames)

    while (totalFrames < m_frames.size())
        delete m_frames.takeLast();
+
+    setCurrentFrame(m_currentFrame);
 }

 int Animation::totalFrames() const
@ -112,7 +110,7 @@ int Animation::totalFrames() const

 void Animation::setCurrentFrame(int currentFrame)
 {
-    m_currentFrame = qMax(qMin(currentFrame, totalFrames()-1), 0);
+    m_currentFrame = qBound(0, currentFrame, totalFrames() - 1);
 }

 int Animation::currentFrame() const
@ -177,18 +175,16 @@ void Animation::load(QIODevice *device)
    int frameCount;
    stream >> frameCount;

-    for (int i=0; i<frameCount; ++i) {
-
+    for (int i = 0; i < frameCount; ++i) {
        int nodeCount;
        stream >> nodeCount;

        Frame *frame = new Frame;
        frame->setNodeCount(nodeCount);

-        for (int j=0; j<nodeCount; ++j) {
+        for (int j = 0; j < nodeCount; ++j) {
            QPointF pos;
            stream >> pos;
-
            frame->setNodePos(j, pos);
        }

--- a/examples/widgets/animation/stickman/animation.h
+++ b/examples/widgets/animation/stickman/animation.h
@ -52,8 +52,8 @@
 #define ANIMATION_H

 #include <QPointF>
-#include <QList>
 #include <QString>
+#include <QVector>

 class Frame;
 QT_BEGIN_NAMESPACE
@ -85,7 +85,7 @@ public:

 private:
    QString m_name;
-    QList<Frame *> m_frames;
+    QVector<Frame *> m_frames;
    int m_currentFrame;
 };

--- a/examples/widgets/animation/stickman/graphicsview.cpp
+++ b/examples/widgets/animation/stickman/graphicsview.cpp
@ -51,13 +51,8 @@
 #include "graphicsview.h"
 #include "stickman.h"

-#include <QtGui/QKeyEvent>
-#include <QtWidgets/QGraphicsScene>
-#include <QtWidgets/QGraphicsView>
-
-GraphicsView::GraphicsView(QWidget *parent)
-    : QGraphicsView(parent), m_editor(nullptr)
-{}
+#include <QKeyEvent>
+#include <QGraphicsScene>

 void GraphicsView::keyPressEvent(QKeyEvent *e)
 {
@ -66,7 +61,8 @@ void GraphicsView::keyPressEvent(QKeyEvent *e)
    emit keyPressed(Qt::Key(e->key()));
 }

-void GraphicsView::resizeEvent(QResizeEvent *)
+void GraphicsView::resizeEvent(QResizeEvent *e)
 {
    fitInView(scene()->sceneRect());
+    QGraphicsView::resizeEvent(e);
 }
--- a/examples/widgets/animation/stickman/graphicsview.h
+++ b/examples/widgets/animation/stickman/graphicsview.h
@ -51,24 +51,20 @@
 #ifndef GRAPHICSVIEW_H
 #define GRAPHICSVIEW_H

-#include <QtWidgets/QGraphicsView>
+#include <QGraphicsView>

-class MainWindow;
 class GraphicsView: public QGraphicsView
 {
    Q_OBJECT
 public:
-    GraphicsView(QWidget *parent = nullptr);
+    using QGraphicsView::QGraphicsView;

 protected:
-    void resizeEvent(QResizeEvent *event) override;
-    void keyPressEvent(QKeyEvent *) override;
+    void resizeEvent(QResizeEvent *e) override;
+    void keyPressEvent(QKeyEvent *e) override;

 signals:
    void keyPressed(int key);
-
-private:
-    MainWindow *m_editor;
 };

 #endif
--- a/examples/widgets/animation/stickman/lifecycle.cpp
+++ b/examples/widgets/animation/stickman/lifecycle.cpp
@ -54,8 +54,15 @@
 #include "animation.h"
 #include "graphicsview.h"

-#include <QtCore>
-#include <QtWidgets>
+#include <QEventTransition>
+#include <QFile>
+#include <QParallelAnimationGroup>
+#include <QPropertyAnimation>
+#include <QRandomGenerator>
+#include <QSignalTransition>
+#include <QState>
+#include <QStateMachine>
+#include <QTimer>

 class KeyPressTransition: public QSignalTransition
 {
@ -107,7 +114,7 @@ LifeCycle::LifeCycle(StickMan *stickMan, GraphicsView *keyReceiver)
    // Create animation group to be used for all transitions
    m_animationGroup = new QParallelAnimationGroup();
    const int stickManNodeCount = m_stickMan->nodeCount();
-    for (int i=0; i<stickManNodeCount; ++i) {
+    for (int i = 0; i < stickManNodeCount; ++i) {
        QPropertyAnimation *pa = new QPropertyAnimation(m_stickMan->node(i), "pos");
        m_animationGroup->addAnimation(pa);
    }
@ -175,7 +182,7 @@ void LifeCycle::addActivity(const QString &fileName, Qt::Key key, QObject *sende
    QState *state = makeState(m_alive, fileName);
    m_alive->addTransition(new KeyPressTransition(m_keyReceiver, key, state));

-    if (sender || signal)
+    if (sender && signal)
        m_alive->addTransition(sender, signal, state);
 }

@ -192,13 +199,13 @@ QState *LifeCycle::makeState(QState *parentState, const QString &animationFileNa

    const int frameCount = animation.totalFrames();
    QState *previousState = nullptr;
-    for (int i=0; i<frameCount; ++i) {
+    for (int i = 0; i < frameCount; ++i) {
        animation.setCurrentFrame(i);

 //! [1]
        QState *frameState = new QState(topLevel);
        const int nodeCount = animation.nodeCount();
-        for (int j=0; j<nodeCount; ++j)
+        for (int j = 0; j < nodeCount; ++j)
            frameState->assignProperty(m_stickMan->node(j), "pos", animation.nodePos(j));
 //! [1]

--- a/examples/widgets/animation/stickman/lifecycle.h
+++ b/examples/widgets/animation/stickman/lifecycle.h
@ -53,16 +53,16 @@

 #include <Qt>

-class StickMan;
 QT_BEGIN_NAMESPACE
-class QStateMachine;
-class QAnimationGroup;
-class QState;
 class QAbstractState;
 class QAbstractTransition;
+class QAnimationGroup;
 class QObject;
+class QState;
+class QStateMachine;
 QT_END_NAMESPACE
 class GraphicsView;
+class StickMan;
 class LifeCycle
 {
 public:
@ -70,7 +70,8 @@ public:
    ~LifeCycle();

    void setDeathAnimation(const QString &fileName);
-    void addActivity(const QString &fileName, Qt::Key key, QObject *sender = NULL, const char *signal = NULL);
+    void addActivity(const QString &fileName, Qt::Key key,
+                     QObject *sender = nullptr, const char *signal = nullptr);

    void start();

--- a/examples/widgets/animation/stickman/node.h
+++ b/examples/widgets/animation/stickman/node.h
@ -51,13 +51,13 @@
 #ifndef NODE_H
 #define NODE_H

-#include <QGraphicsItem>
+#include <QGraphicsObject>

 class Node: public QGraphicsObject
 {
    Q_OBJECT
 public:
-    explicit Node(const QPointF &pos, QGraphicsItem *parent = 0);
+    explicit Node(const QPointF &pos, QGraphicsItem *parent = nullptr);
    ~Node();

    QRectF boundingRect() const override;
--- a/examples/widgets/animation/stickman/rectbutton.cpp
+++ b/examples/widgets/animation/stickman/rectbutton.cpp
@ -51,12 +51,7 @@
 #include "rectbutton.h"
 #include <QPainter>

-RectButton::RectButton(QString buttonText) : m_ButtonText(buttonText)
-{
-}
-
-
-RectButton::~RectButton()
+RectButton::RectButton(const QString &buttonText) : m_ButtonText(buttonText)
 {
 }

--- a/examples/widgets/animation/stickman/rectbutton.h
+++ b/examples/widgets/animation/stickman/rectbutton.h
@ -57,19 +57,19 @@ class RectButton : public QGraphicsObject
 {
    Q_OBJECT
 public:
-    RectButton(QString buttonText);
-    ~RectButton();
+    RectButton(const QString &buttonText);

    QRectF boundingRect() const override;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;

 protected:
-    QString m_ButtonText;
-
    void mousePressEvent (QGraphicsSceneMouseEvent *event) override;

 signals:
    void clicked();
+
+private:
+    QString m_ButtonText;
 };

 #endif // RECTBUTTON_H
--- a/examples/widgets/animation/stickman/stickman.cpp
+++ b/examples/widgets/animation/stickman/stickman.cpp
@ -52,10 +52,9 @@
 #include "node.h"

 #include <QPainter>
-#include <QTimer>
-#include <qmath.h>
+#include <QtMath>

-static const qreal Coords[NodeCount * 2] = {
+static constexpr qreal Coords[NodeCount * 2] = {
    0.0, -150.0, // head, #0

    0.0, -100.0, // body pentagon, top->bottom, left->right, #1 - 5
@ -81,7 +80,7 @@ static const qreal Coords[NodeCount * 2] = {

 };

-static const int Bones[BoneCount * 2] = {
+static constexpr int Bones[BoneCount * 2] = {
    0, 1, // neck

    1, 2, // body
@ -117,19 +116,13 @@ static const int Bones[BoneCount * 2] = {

 StickMan::StickMan()
 {
-    m_sticks = true;
-    m_isDead = false;
-    m_pixmap = QPixmap("images/head.png");
-    m_penColor = Qt::white;
-    m_fillColor = Qt::black;
-
    // Set up start position of limbs
-    for (int i=0; i<NodeCount; ++i) {
+    for (int i = 0; i < NodeCount; ++i) {
        m_nodes[i] = new Node(QPointF(Coords[i * 2], Coords[i * 2 + 1]), this);
        connect(m_nodes[i], &Node::positionChanged, this, &StickMan::childPositionChanged);
    }

-    for (int i=0; i<BoneCount; ++i) {
+    for (int i = 0; i < BoneCount; ++i) {
        int n1 = Bones[i * 2];
        int n2 = Bones[i * 2 + 1];

@ -137,16 +130,12 @@ StickMan::StickMan()
        Node *node2 = m_nodes[n2];

        QPointF dist = node1->pos() - node2->pos();
-        m_perfectBoneLengths[i] = sqrt(pow(dist.x(),2) + pow(dist.y(),2));
+        m_perfectBoneLengths[i] = sqrt(pow(dist.x(), 2) + pow(dist.y(), 2));
    }

    startTimer(10);
 }

-StickMan::~StickMan()
-{
-}
-
 void StickMan::childPositionChanged()
 {
    prepareGeometryChange();
@ -155,7 +144,7 @@ void StickMan::childPositionChanged()
 void StickMan::setDrawSticks(bool on)
 {
    m_sticks = on;
-    for (int i=0;i<nodeCount();++i) {
+    for (int i = 0; i < nodeCount(); ++i) {
        Node *node = m_nodes[i];
        node->setVisible(on);
    }
@ -188,7 +177,7 @@ void StickMan::stabilize()
 {
    static const qreal threshold = 0.001;

-    for (int i=0; i<BoneCount; ++i) {
+    for (int i = 0; i < BoneCount; ++i) {
        int n1 = Bones[i * 2];
        int n2 = Bones[i * 2 + 1];

@ -236,7 +225,7 @@ void StickMan::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidge
    stabilize();
    if (m_sticks) {
        painter->setPen(Qt::white);
-        for (int i=0; i<BoneCount; ++i) {
+        for (int i = 0; i < BoneCount; ++i) {
            int n1 = Bones[i * 2];
            int n2 = Bones[i * 2 + 1];

--- a/examples/widgets/animation/stickman/stickman.h
+++ b/examples/widgets/animation/stickman/stickman.h
@ -57,8 +57,6 @@ static const int NodeCount = 16;
 static const int BoneCount = 24;

 class Node;
-QT_BEGIN_NAMESPACE
-QT_END_NAMESPACE
 class StickMan: public QGraphicsObject
 {
    Q_OBJECT
@ -67,7 +65,6 @@ class StickMan: public QGraphicsObject
    Q_PROPERTY(bool isDead WRITE setIsDead READ isDead)
 public:
    StickMan();
-    ~StickMan();

    QRectF boundingRect() const override;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
@ -101,13 +98,11 @@ private:
    Node *m_nodes[NodeCount];
    qreal m_perfectBoneLengths[BoneCount];

-    uint m_sticks : 1;
-    uint m_isDead : 1;
-    uint m_reserved : 30;
+    bool m_sticks = true;
+    bool m_isDead = false;

-    QPixmap m_pixmap;
-    QColor m_penColor;
-    QColor m_fillColor;
+    QColor m_penColor = Qt::white;
+    QColor m_fillColor = Qt::black;
 };

 #endif // STICKMAN_H
--- a/examples/widgets/animation/sub-attaq/animationmanager.cpp
+++ b/examples/widgets/animation/sub-attaq/animationmanager.cpp
@ -51,22 +51,13 @@
 //Own
 #include "animationmanager.h"

-//Qt
-#include <QtCore/QAbstractAnimation>
-#include <QtCore/QDebug>
-
-// the universe's only animation manager
-AnimationManager *AnimationManager::instance = nullptr;
-
-AnimationManager::AnimationManager()
-{
-}
+#include <QAbstractAnimation>

 AnimationManager *AnimationManager::self()
 {
-    if (!instance)
-        instance = new AnimationManager;
-    return instance;
+    // the universe's only animation manager
+    static AnimationManager s_instance;
+    return &s_instance;
 }

 void AnimationManager::registerAnimation(QAbstractAnimation *anim)
--- a/examples/widgets/animation/sub-attaq/animationmanager.h
+++ b/examples/widgets/animation/sub-attaq/animationmanager.h
@ -51,7 +51,7 @@
 #ifndef ANIMATIONMANAGER_H
 #define ANIMATIONMANAGER_H

-#include <QtCore/QObject>
+#include <QObject>

 QT_BEGIN_NAMESPACE
 class QAbstractAnimation;
@ -59,9 +59,10 @@ QT_END_NAMESPACE

 class AnimationManager : public QObject
 {
-Q_OBJECT
+    Q_OBJECT
+    AnimationManager() = default;
+    ~AnimationManager() = default;
 public:
-    AnimationManager();
    void registerAnimation(QAbstractAnimation *anim);
    void unregisterAnimation(QAbstractAnimation *anim);
    void unregisterAllAnimations();
@ -75,8 +76,7 @@ private slots:
    void unregisterAnimation_helper(QObject *obj);

 private:
-    static AnimationManager *instance;
-    QList<QAbstractAnimation *> animations;
+    QVector<QAbstractAnimation *> animations;
 };

 #endif // ANIMATIONMANAGER_H
--- a/examples/widgets/animation/sub-attaq/boat.cpp
+++ b/examples/widgets/animation/sub-attaq/boat.cpp
@ -52,18 +52,17 @@
 #include "boat.h"
 #include "boat_p.h"
 #include "bomb.h"
-#include "pixmapitem.h"
 #include "graphicsscene.h"
 #include "animationmanager.h"
 #include "qanimationstate.h"

 //Qt
-#include <QtCore/QPropertyAnimation>
-#include <QtCore/QStateMachine>
-#include <QtCore/QHistoryState>
-#include <QtCore/QFinalState>
-#include <QtCore/QState>
-#include <QtCore/QSequentialAnimationGroup>
+#include <QFinalState>
+#include <QHistoryState>
+#include <QPropertyAnimation>
+#include <QSequentialAnimationGroup>
+#include <QState>
+#include <QStateMachine>

 static QAbstractAnimation *setupDestroyAnimation(Boat *boat)
 {
@ -181,7 +180,7 @@ Boat::Boat()
    launchStateLeft->addTransition(historyState);
    launchStateRight->addTransition(historyState);

-    QFinalState *final = new QFinalState(machine);
+    QFinalState *finalState = new QFinalState(machine);

    //This state play the destroyed animation
    QAnimationState *destroyedState = new QAnimationState(machine);
@ -191,10 +190,10 @@ Boat::Boat()
    moving->addTransition(this, &Boat::boatDestroyed, destroyedState);

    //Transition to final state when the destroyed animation is finished
-    destroyedState->addTransition(destroyedState, &QAnimationState::animationFinished, final);
+    destroyedState->addTransition(destroyedState, &QAnimationState::animationFinished, finalState);

    //The machine has finished to be executed, then the boat is dead
-    connect(machine,&QState::finished, this, &Boat::boatExecutionFinished);
+    connect(machine, &QState::finished, this, &Boat::boatExecutionFinished);

 }

--- a/examples/widgets/animation/sub-attaq/boat.h
+++ b/examples/widgets/animation/sub-attaq/boat.h
@ -48,12 +48,11 @@
 **
 ****************************************************************************/

-#ifndef __BOAT__H__
-#define __BOAT__H__
+#ifndef BOAT_H
+#define BOAT_H

 #include "pixmapitem.h"

-class Bomb;
 QT_BEGIN_NAMESPACE
 class QVariantAnimation;
 class QAbstractAnimation;
@ -101,4 +100,4 @@ private:
    QStateMachine *machine;
 };

-#endif //__BOAT__H__
+#endif // BOAT_H
--- a/examples/widgets/animation/sub-attaq/boat_p.h
+++ b/examples/widgets/animation/sub-attaq/boat_p.h
@ -67,7 +67,9 @@
 #include "graphicsscene.h"

 // Qt
-#include <QtWidgets/QKeyEventTransition>
+#include <QGraphicsRotation>
+#include <QKeyEventTransition>
+#include <QState>

 static const int MAX_BOMB = 5;

@ -88,7 +90,7 @@ protected:
        return (boat->currentSpeed() == 1);
    }
 private:
-    Boat * boat;
+    Boat *boat;
 };

 //These transtion test if we have to move the boat (i.e current speed was 0 or another value)
@ -118,7 +120,7 @@ protected:
        boat->updateBoatMovement();
    }
 private:
-    Boat * boat;
+    Boat *boat;
    int key;
 };

@ -139,7 +141,7 @@ protected:
        return (boat->bombsLaunched() < MAX_BOMB);
    }
 private:
-    Boat * boat;
+    Boat *boat;
 };

 //This state is describing when the boat is moving right
@ -157,7 +159,7 @@ protected:
        boat->updateBoatMovement();
    }
 private:
-    Boat * boat;
+    Boat *boat;
 };

 //This state is describing when the boat is moving left
@ -175,7 +177,7 @@ protected:
        boat->updateBoatMovement();
    }
 private:
-    Boat * boat;
+    Boat *boat;
 };

 //This state is describing when the boat is in a stand by position
@ -194,7 +196,7 @@ protected:
        boat->updateBoatMovement();
    }
 private:
-    Boat * boat;
+    Boat *boat;
 };

 //This state is describing the launch of the torpedo on the right
@ -216,7 +218,7 @@ protected:
        boat->setBombsLaunched(boat->bombsLaunched() + 1);
    }
 private:
-    Boat * boat;
+    Boat *boat;
 };

 //This state is describing the launch of the torpedo on the left
@ -238,7 +240,7 @@ protected:
        boat->setBombsLaunched(boat->bombsLaunched() + 1);
    }
 private:
-    Boat * boat;
+    Boat *boat;
 };

 #endif // BOAT_P_H
--- a/examples/widgets/animation/sub-attaq/bomb.cpp
+++ b/examples/widgets/animation/sub-attaq/bomb.cpp
@ -51,15 +51,14 @@
 //Own
 #include "bomb.h"
 #include "submarine.h"
-#include "pixmapitem.h"
 #include "animationmanager.h"
 #include "qanimationstate.h"

 //Qt
-#include <QtCore/QSequentialAnimationGroup>
-#include <QtCore/QPropertyAnimation>
-#include <QtCore/QStateMachine>
-#include <QtCore/QFinalState>
+#include <QFinalState>
+#include <QPropertyAnimation>
+#include <QSequentialAnimationGroup>
+#include <QStateMachine>

 Bomb::Bomb() : PixmapItem(QString("bomb"), GraphicsScene::Big)
 {
@ -83,7 +82,7 @@ void Bomb::launch(Bomb::Direction direction)
    anim->setEndValue(QPointF(x() + delta*2,scene()->height()));
    anim->setDuration(y()/2*60);
    launchAnimation->addAnimation(anim);
-    connect(anim,&QVariantAnimation::valueChanged,this,&Bomb::onAnimationLaunchValueChanged);
+    connect(anim, &QVariantAnimation::valueChanged, this, &Bomb::onAnimationLaunchValueChanged);
    connect(this, &Bomb::bombExploded, launchAnimation, &QAbstractAnimation::stop);
    //We setup the state machine of the bomb
    QStateMachine *machine = new QStateMachine(this);
@ -93,18 +92,18 @@ void Bomb::launch(Bomb::Direction direction)
    launched->setAnimation(launchAnimation);

    //End
-    QFinalState *final = new QFinalState(machine);
+    QFinalState *finalState = new QFinalState(machine);

    machine->setInitialState(launched);

    //### Add a nice animation when the bomb is destroyed
-    launched->addTransition(this, &Bomb::bombExploded,final);
+    launched->addTransition(this, &Bomb::bombExploded, finalState);

    //If the animation is finished, then we move to the final state
-    launched->addTransition(launched, &QAnimationState::animationFinished, final);
+    launched->addTransition(launched, &QAnimationState::animationFinished, finalState);

    //The machine has finished to be executed, then the boat is dead
-    connect(machine,&QState::finished,this, &Bomb::bombExecutionFinished);
+    connect(machine,&QState::finished, this, &Bomb::bombExecutionFinished);

    machine->start();

--- a/examples/widgets/animation/sub-attaq/bomb.h
+++ b/examples/widgets/animation/sub-attaq/bomb.h
@ -48,8 +48,8 @@
 **
 ****************************************************************************/

-#ifndef __BOMB__H__
-#define __BOMB__H__
+#ifndef BOMB_H
+#define BOMB_H

 #include "pixmapitem.h"

@ -73,4 +73,4 @@ private slots:
    void onAnimationLaunchValueChanged(const QVariant &);
 };

-#endif //__BOMB__H__
+#endif // BOMB_H
--- a/examples/widgets/animation/sub-attaq/graphicsscene.cpp
+++ b/examples/widgets/animation/sub-attaq/graphicsscene.cpp
@ -55,38 +55,33 @@
 #include "submarine.h"
 #include "torpedo.h"
 #include "bomb.h"
-#include "pixmapitem.h"
 #include "animationmanager.h"
 #include "qanimationstate.h"
 #include "progressitem.h"
 #include "textinformationitem.h"

 //Qt
-#include <QtCore/QPropertyAnimation>
-#include <QtCore/QSequentialAnimationGroup>
-#include <QtCore/QParallelAnimationGroup>
-#include <QtCore/QStateMachine>
-#include <QtCore/QFinalState>
-#include <QtCore/QPauseAnimation>
-#include <QtWidgets/QAction>
-#include <QtCore/QDir>
-#include <QtWidgets/QApplication>
-#include <QtWidgets/QMessageBox>
-#include <QtWidgets/QGraphicsView>
-#include <QtWidgets/QGraphicsSceneMouseEvent>
-#include <QtCore/QXmlStreamReader>
+#include <QAction>
+#include <QApplication>
+#include <QFile>
+#include <QFinalState>
+#include <QParallelAnimationGroup>
+#include <QPropertyAnimation>
+#include <QSequentialAnimationGroup>
+#include <QStateMachine>
+#include <QXmlStreamReader>

-GraphicsScene::GraphicsScene(int x, int y, int width, int height, Mode mode)
-    : QGraphicsScene(x , y, width, height), mode(mode), boat(new Boat)
+GraphicsScene::GraphicsScene(int x, int y, int width, int height, Mode mode, QObject *parent)
+    : QGraphicsScene(x, y, width, height, parent), mode(mode), boat(new Boat)
 {
-    PixmapItem *backgroundItem = new PixmapItem(QString("background"),mode);
+    PixmapItem *backgroundItem = new PixmapItem(QStringLiteral("background"), mode);
    backgroundItem->setZValue(1);
    backgroundItem->setPos(0,0);
    addItem(backgroundItem);

-    PixmapItem *surfaceItem = new PixmapItem(QString("surface"),mode);
+    PixmapItem *surfaceItem = new PixmapItem(QStringLiteral("surface"), mode);
    surfaceItem->setZValue(3);
-    surfaceItem->setPos(0,sealLevel() - surfaceItem->boundingRect().height()/2);
+    surfaceItem->setPos(0, sealLevel() - surfaceItem->boundingRect().height() / 2);
    addItem(surfaceItem);

    //The item that display score and level
@ -137,8 +132,8 @@ qreal GraphicsScene::sealLevel() const

 void GraphicsScene::setupScene(QAction *newAction, QAction *quitAction)
 {
-    static const int nLetters = 10;
-    static struct {
+    static constexpr int nLetters = 10;
+    static constexpr struct {
        char const *pix;
        qreal initX, initY;
        qreal destX, destY;
@ -154,8 +149,8 @@ void GraphicsScene::setupScene(QAction *newAction, QAction *quitAction)
        {"q",     200,  2000, 510, 250 },
        {"excl",    0,  2000, 570, 220 } };

-    QSequentialAnimationGroup * lettersGroupMoving = new QSequentialAnimationGroup(this);
-    QParallelAnimationGroup * lettersGroupFading = new QParallelAnimationGroup(this);
+    QSequentialAnimationGroup *lettersGroupMoving = new QSequentialAnimationGroup(this);
+    QParallelAnimationGroup *lettersGroupFading = new QParallelAnimationGroup(this);

    for (int i = 0; i < nLetters; ++i) {
        PixmapItem *logo = new PixmapItem(QLatin1String(":/logo-") + logoData[i].pix, this);
@ -180,7 +175,7 @@ void GraphicsScene::setupScene(QAction *newAction, QAction *quitAction)
    PlayState *gameState = new PlayState(this, machine);

    //Final state
-    QFinalState *final = new QFinalState(machine);
+    QFinalState *finalState = new QFinalState(machine);

    //Animation when the player enter in the game
    QAnimationState *lettersMovingState = new QAnimationState(machine);
@ -198,8 +193,8 @@ void GraphicsScene::setupScene(QAction *newAction, QAction *quitAction)
    gameState->addTransition(newAction, &QAction::triggered, gameState);

    //Wanna quit, then connect to CTRL+Q
-    gameState->addTransition(quitAction, &QAction::triggered, final);
-    lettersMovingState->addTransition(quitAction, &QAction::triggered, final);
+    gameState->addTransition(quitAction, &QAction::triggered, finalState);
+    lettersMovingState->addTransition(quitAction, &QAction::triggered, finalState);

    //Welcome screen is the initial state
    machine->setInitialState(lettersMovingState);
@ -213,21 +208,24 @@ void GraphicsScene::setupScene(QAction *newAction, QAction *quitAction)
 void GraphicsScene::addItem(Bomb *bomb)
 {
    bombs.insert(bomb);
-    connect(bomb,&Bomb::bombExecutionFinished,this, &GraphicsScene::onBombExecutionFinished);
+    connect(bomb, &Bomb::bombExecutionFinished,
+            this, &GraphicsScene::onBombExecutionFinished);
    QGraphicsScene::addItem(bomb);
 }

 void GraphicsScene::addItem(Torpedo *torpedo)
 {
    torpedos.insert(torpedo);
-    connect(torpedo,&Torpedo::torpedoExecutionFinished,this, &GraphicsScene::onTorpedoExecutionFinished);
+    connect(torpedo, &Torpedo::torpedoExecutionFinished,
+            this, &GraphicsScene::onTorpedoExecutionFinished);
    QGraphicsScene::addItem(torpedo);
 }

 void GraphicsScene::addItem(SubMarine *submarine)
 {
    submarines.insert(submarine);
-    connect(submarine,&SubMarine::subMarineExecutionFinished,this, &GraphicsScene::onSubMarineExecutionFinished);
+    connect(submarine, &SubMarine::subMarineExecutionFinished,
+            this, &GraphicsScene::onSubMarineExecutionFinished);
    QGraphicsScene::addItem(submarine);
 }

@ -239,15 +237,18 @@ void GraphicsScene::addItem(QGraphicsItem *item)
 void GraphicsScene::onBombExecutionFinished()
 {
    Bomb *bomb = qobject_cast<Bomb *>(sender());
+    if (!bomb)
+        return;
    bombs.remove(bomb);
    bomb->deleteLater();
-    if (boat)
-        boat->setBombsLaunched(boat->bombsLaunched() - 1);
+    boat->setBombsLaunched(boat->bombsLaunched() - 1);
 }

 void GraphicsScene::onTorpedoExecutionFinished()
 {
    Torpedo *torpedo = qobject_cast<Torpedo *>(sender());
+    if (!torpedo)
+        return;
    torpedos.remove(torpedo);
    torpedo->deleteLater();
 }
@ -255,6 +256,8 @@ void GraphicsScene::onTorpedoExecutionFinished()
 void GraphicsScene::onSubMarineExecutionFinished()
 {
    SubMarine *submarine = qobject_cast<SubMarine *>(sender());
+    if (!submarine)
+        return;
    submarines.remove(submarine);
    if (submarines.count() == 0)
        emit allSubMarineDestroyed(submarine->points());
@ -266,16 +269,22 @@ void GraphicsScene::onSubMarineExecutionFinished()
 void GraphicsScene::clearScene()
 {
    for (SubMarine *sub : qAsConst(submarines)) {
+        // make sure to not go into onSubMarineExecutionFinished
+        sub->disconnect(this);
        sub->destroy();
        sub->deleteLater();
    }

    for (Torpedo *torpedo : qAsConst(torpedos)) {
+        // make sure to not go into onTorpedoExecutionFinished
+        torpedo->disconnect(this);
        torpedo->destroy();
        torpedo->deleteLater();
    }

    for (Bomb *bomb : qAsConst(bombs)) {
+        // make sure to not go into onBombExecutionFinished
+        bomb->disconnect(this);
        bomb->destroy();
        bomb->deleteLater();
    }
--- a/examples/widgets/animation/sub-attaq/graphicsscene.h
+++ b/examples/widgets/animation/sub-attaq/graphicsscene.h
@ -48,13 +48,12 @@
 **
 ****************************************************************************/

-#ifndef __GRAPHICSSCENE__H__
-#define __GRAPHICSSCENE__H__
+#ifndef GRAPHICSSCENE_H
+#define GRAPHICSSCENE_H

 //Qt
-#include <QtWidgets/QGraphicsScene>
-#include <QtCore/QSet>
-#include <QtCore/QState>
+#include <QGraphicsScene>
+#include <QSet>


 class Boat;
@ -78,18 +77,18 @@ public:
    };

    struct SubmarineDescription {
-        int type;
-        int points;
+        int type = 0;
+        int points = 0;
        QString name;
    };

    struct LevelDescription {
-        int id;
+        int id = 0;
        QString name;
-        QList<QPair<int,int> > submarines;
+        QVector<QPair<int, int>> submarines;
    };

-    GraphicsScene(int x, int y, int width, int height, Mode mode = Big);
+    GraphicsScene(int x, int y, int width, int height, Mode mode, QObject *parent = nullptr);
    qreal sealLevel() const;
    void setupScene(QAction *newAction, QAction *quitAction);
    void addItem(Bomb *bomb);
@ -127,5 +126,5 @@ private:
    friend class UpdateScoreTransition;
 };

-#endif //__GRAPHICSSCENE__H__
+#endif // GRAPHICSSCENE_H

--- a/examples/widgets/animation/sub-attaq/mainwindow.cpp
+++ b/examples/widgets/animation/sub-attaq/mainwindow.cpp
@ -56,11 +56,10 @@
 #include <QGraphicsView>
 #include <QApplication>
 #include <QMenu>
-#include <QMenuBar>
 #include <QLayout>

 #ifndef QT_NO_OPENGL
-# include <QtOpenGL/QtOpenGL>
+# include <QtOpenGL>
 #endif

 MainWindow::MainWindow(QWidget *parent)
@ -74,10 +73,10 @@ MainWindow::MainWindow(QWidget *parent)
    quitAction->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_Q));

    if (QApplication::arguments().contains("-fullscreen")) {
-        scene = new GraphicsScene(0, 0, 750, 400, GraphicsScene::Small);
+        scene = new GraphicsScene(0, 0, 750, 400, GraphicsScene::Small, this);
        setWindowState(Qt::WindowFullScreen);
    } else {
-        scene = new GraphicsScene(0, 0, 880, 630);
+        scene = new GraphicsScene(0, 0, 880, 630, GraphicsScene::Big, this);
        layout()->setSizeConstraint(QLayout::SetFixedSize);
    }

--- a/examples/widgets/animation/sub-attaq/mainwindow.h
+++ b/examples/widgets/animation/sub-attaq/mainwindow.h
@ -48,11 +48,11 @@
 **
 ****************************************************************************/

-#ifndef __MAINWINDOW__H__
-#define __MAINWINDOW__H__
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H

 //Qt
-#include <QtWidgets/QMainWindow>
+#include <QMainWindow>
 class GraphicsScene;
 QT_BEGIN_NAMESPACE
 class QGraphicsView;
@ -69,4 +69,4 @@ private:
    QGraphicsView *view;
 };

-#endif //__MAINWINDOW__H__
+#endif // MAINWINDOW_H
--- a/examples/widgets/animation/sub-attaq/pixmapitem.cpp
+++ b/examples/widgets/animation/sub-attaq/pixmapitem.cpp
@ -54,7 +54,7 @@
 //Qt
 #include <QPainter>

-PixmapItem::PixmapItem(const QString &fileName,GraphicsScene::Mode mode, QGraphicsItem * parent)
+PixmapItem::PixmapItem(const QString &fileName, GraphicsScene::Mode mode, QGraphicsItem *parent)
    : QGraphicsObject(parent)
 {
    if (mode == GraphicsScene::Big)
@ -63,7 +63,8 @@ PixmapItem::PixmapItem(const QString &fileName,GraphicsScene::Mode mode, QGraphi
        pix = QPixmap(QStringLiteral(":/small/") + fileName);
 }

-PixmapItem::PixmapItem(const QString &fileName, QGraphicsScene *scene) : QGraphicsObject(), pix(fileName)
+PixmapItem::PixmapItem(const QString &fileName, QGraphicsScene *scene)
+    : QGraphicsObject(), pix(fileName)
 {
    scene->addItem(this);
 }
--- a/examples/widgets/animation/sub-attaq/pixmapitem.h
+++ b/examples/widgets/animation/sub-attaq/pixmapitem.h
@ -48,14 +48,14 @@
 **
 ****************************************************************************/

-#ifndef __PIXMAPITEM__H__
-#define __PIXMAPITEM__H__
+#ifndef PIXMAPITEM_H
+#define PIXMAPITEM_H

 //Own
 #include "graphicsscene.h"

 //Qt
-#include <QtWidgets/QGraphicsObject>
+#include <QGraphicsObject>

 class PixmapItem : public QGraphicsObject
 {
@ -69,4 +69,4 @@ private:
    QPixmap pix;
 };

-#endif //__PIXMAPITEM__H__
+#endif // PIXMAPITEM_H
--- a/examples/widgets/animation/sub-attaq/progressitem.cpp
+++ b/examples/widgets/animation/sub-attaq/progressitem.cpp
@ -49,10 +49,11 @@
 ****************************************************************************/

 #include "progressitem.h"
-#include "pixmapitem.h"

-ProgressItem::ProgressItem (QGraphicsItem * parent)
-    : QGraphicsTextItem(parent), currentLevel(1), currentScore(0)
+#include <QFont>
+
+ProgressItem::ProgressItem(QGraphicsItem *parent)
+    : QGraphicsTextItem(parent)
 {
    setFont(QFont("Comic Sans MS"));
    setPos(parentItem()->boundingRect().topRight() - QPointF(180, -5));
--- a/examples/widgets/animation/sub-attaq/progressitem.h
+++ b/examples/widgets/animation/sub-attaq/progressitem.h
@ -52,19 +52,19 @@
 #define PROGRESSITEM_H

 //Qt
-#include <QtWidgets/QGraphicsTextItem>
+#include <QGraphicsTextItem>

 class ProgressItem : public QGraphicsTextItem
 {
 public:
-    ProgressItem(QGraphicsItem * parent = 0);
+    ProgressItem(QGraphicsItem *parent = nullptr);
    void setLevel(int level);
    void setScore(int score);

 private:
    void updateProgress();
-    int currentLevel;
-    int currentScore;
+    int currentLevel = 1;
+    int currentScore = 0;
 };

 #endif // PROGRESSITEM_H
--- a/examples/widgets/animation/sub-attaq/qanimationstate.cpp
+++ b/examples/widgets/animation/sub-attaq/qanimationstate.cpp
@ -50,7 +50,7 @@

 #include "qanimationstate.h"

-#include <QtCore/qstate.h>
+#include <QAbstractAnimation>

 QT_BEGIN_NAMESPACE

@ -106,7 +106,7 @@ void QAnimationState::setAnimation(QAbstractAnimation *animation)
        return;

    //Disconnect from the previous animation if exist
-    if(m_animation)
+    if (m_animation)
        disconnect(m_animation, &QAbstractAnimation::finished, this, &QAnimationState::animationFinished);

    m_animation = animation;
--- a/examples/widgets/animation/sub-attaq/qanimationstate.h
+++ b/examples/widgets/animation/sub-attaq/qanimationstate.h
@ -51,13 +51,7 @@
 #ifndef QANIMATIONSTATE_H
 #define QANIMATIONSTATE_H

-#ifndef QT_STATEMACHINE_SOLUTION
-#  include <QtCore/qstate.h>
-#  include <QtCore/qabstractanimation.h>
-#else
-#  include "qstate.h"
-#  include "qabstractanimation.h"
-#endif
+#include <QState>

 QT_BEGIN_NAMESPACE

@ -67,7 +61,7 @@ class QAnimationState : public QState
 {
    Q_OBJECT
 public:
-    QAnimationState(QState *parent = 0);
+    QAnimationState(QState *parent = nullptr);
    ~QAnimationState();

    void setAnimation(QAbstractAnimation *animation);
--- a/examples/widgets/animation/sub-attaq/states.cpp
+++ b/examples/widgets/animation/sub-attaq/states.cpp
@ -59,12 +59,12 @@
 #include "textinformationitem.h"

 //Qt
-#include <QtWidgets/QMessageBox>
-#include <QtWidgets/QGraphicsView>
-#include <QtCore/QStateMachine>
-#include <QtWidgets/QKeyEventTransition>
-#include <QtCore/QFinalState>
-#include <QtCore/QRandomGenerator>
+#include <QFinalState>
+#include <QGraphicsView>
+#include <QKeyEventTransition>
+#include <QMessageBox>
+#include <QRandomGenerator>
+#include <QStateMachine>

 PlayState::PlayState(GraphicsScene *scene, QState *parent)
    : QState(parent), scene(scene), machine(nullptr),
@ -146,7 +146,7 @@ void PlayState::onEntry(QEvent *)
    machine->setInitialState(levelState);

    //Final state
-    QFinalState *final = new QFinalState(machine);
+    QFinalState *finalState = new QFinalState(machine);

    //This transition is triggered when the player press space after completing a level
    CustomSpaceTransition *spaceTransition = new CustomSpaceTransition(scene->views().at(0), this, QEvent::KeyPress, Qt::Key_Space);
@ -154,7 +154,7 @@ void PlayState::onEntry(QEvent *)
    winState->addTransition(spaceTransition);

    //We lost we should reach the final state
-    lostState->addTransition(lostState, &QState::finished, final);
+    lostState->addTransition(lostState, &QState::finished, finalState);

    machine->start();
 }
@ -181,11 +181,9 @@ void LevelState::initializeLevel()
    scene->progressItem->setScore(game->score);
    scene->progressItem->setLevel(game->currentLevel + 1);

-    GraphicsScene::LevelDescription currentLevelDescription = scene->levelsData.value(game->currentLevel);
+    const GraphicsScene::LevelDescription currentLevelDescription = scene->levelsData.value(game->currentLevel);
+    for (const QPair<int,int> &subContent : currentLevelDescription.submarines) {

-    for (int i = 0; i < currentLevelDescription.submarines.size(); ++i ) {
-
-        QPair<int,int> subContent = currentLevelDescription.submarines.at(i);
        GraphicsScene::SubmarineDescription submarineDesc = scene->submarinesData.at(subContent.first);

        for (int j = 0; j < subContent.second; ++j ) {
@ -202,9 +200,10 @@ void LevelState::initializeLevel()
 }

 /** Pause State */
-PauseState::PauseState(GraphicsScene *scene, QState *parent) : QState(parent),scene(scene)
+PauseState::PauseState(GraphicsScene *scene, QState *parent) : QState(parent), scene(scene)
 {
 }
+
 void PauseState::onEntry(QEvent *)
 {
    AnimationManager::self()->pauseAll();
@ -324,8 +323,7 @@ bool WinTransition::eventTest(QEvent *event)

 /** Space transition */
 CustomSpaceTransition::CustomSpaceTransition(QWidget *widget, PlayState *game, QEvent::Type type, int key)
-    :   QKeyEventTransition(widget, type, key),
-        game(game)
+    : QKeyEventTransition(widget, type, key), game(game)
 {
 }

--- a/examples/widgets/animation/sub-attaq/states.h
+++ b/examples/widgets/animation/sub-attaq/states.h
@ -52,15 +52,11 @@
 #define STATES_H

 //Qt
-#include <QtCore/QState>
-#include <QtCore/QSignalTransition>
-#include <QtCore/QPropertyAnimation>
-#include <QtWidgets/QKeyEventTransition>
-#include <QtCore/QSet>
+#include <QKeyEventTransition>
+#include <QSignalTransition>
+#include <QState>

 class GraphicsScene;
-class Boat;
-class SubMarine;
 QT_BEGIN_NAMESPACE
 class QStateMachine;
 QT_END_NAMESPACE
@ -68,7 +64,7 @@ QT_END_NAMESPACE
 class PlayState : public QState
 {
 public:
-    explicit PlayState(GraphicsScene *scene, QState *parent = 0);
+    explicit PlayState(GraphicsScene *scene, QState *parent = nullptr);
    ~PlayState();

 protected:
@ -92,7 +88,7 @@ private :
 class LevelState : public QState
 {
 public:
-    LevelState(GraphicsScene *scene, PlayState *game, QState *parent = 0);
+    LevelState(GraphicsScene *scene, PlayState *game, QState *parent = nullptr);
 protected:
    void onEntry(QEvent *) override;
 private :
@ -104,7 +100,7 @@ private :
 class PauseState : public QState
 {
 public:
-    explicit PauseState(GraphicsScene *scene, QState *parent = 0);
+    explicit PauseState(GraphicsScene *scene, QState *parent = nullptr);

 protected:
    void onEntry(QEvent *) override;
@ -116,7 +112,7 @@ private :
 class LostState : public QState
 {
 public:
-    LostState(GraphicsScene *scene, PlayState *game, QState *parent = 0);
+    LostState(GraphicsScene *scene, PlayState *game, QState *parent = nullptr);

 protected:
    void onEntry(QEvent *) override;
@ -129,7 +125,7 @@ private :
 class WinState : public QState
 {
 public:
-    WinState(GraphicsScene *scene, PlayState *game, QState *parent = 0);
+    WinState(GraphicsScene *scene, PlayState *game, QState *parent = nullptr);

 protected:
    void onEntry(QEvent *) override;
@ -154,7 +150,7 @@ public:
 protected:
    bool eventTest(QEvent *event) override;
 private:
-    PlayState * game;
+    PlayState *game;
    GraphicsScene *scene;
 };

@ -166,7 +162,7 @@ public:
 protected:
    bool eventTest(QEvent *event) override;
 private:
-    PlayState * game;
+    PlayState *game;
    GraphicsScene *scene;
 };

--- a/examples/widgets/animation/sub-attaq/submarine.cpp
+++ b/examples/widgets/animation/sub-attaq/submarine.cpp
@ -52,15 +52,14 @@
 #include "submarine.h"
 #include "submarine_p.h"
 #include "torpedo.h"
-#include "pixmapitem.h"
 #include "graphicsscene.h"
 #include "animationmanager.h"
 #include "qanimationstate.h"

-#include <QtCore/QPropertyAnimation>
-#include <QtCore/QStateMachine>
-#include <QtCore/QFinalState>
-#include <QtCore/QSequentialAnimationGroup>
+#include <QFinalState>
+#include <QPropertyAnimation>
+#include <QStateMachine>
+#include <QSequentialAnimationGroup>

 static QAbstractAnimation *setupDestroyAnimation(SubMarine *sub)
 {
@ -86,9 +85,8 @@ SubMarine::SubMarine(int type, const QString &name, int points) : PixmapItem(QSt

    graphicsRotation = new QGraphicsRotation(this);
    graphicsRotation->setAxis(Qt::YAxis);
-    graphicsRotation->setOrigin(QVector3D(size().width()/2, size().height()/2, 0));
-    QList<QGraphicsTransform *> r;
-    r.append(graphicsRotation);
+    graphicsRotation->setOrigin(QVector3D(size().width() / 2, size().height() / 2, 0));
+    QList<QGraphicsTransform *> r({graphicsRotation});
    setTransformations(r);

    //We setup the state machine of the submarine
@ -112,7 +110,7 @@ SubMarine::SubMarine(int type, const QString &name, int points) : PixmapItem(QSt
    machine->setInitialState(moving);

    //End
-    QFinalState *final = new QFinalState(machine);
+    QFinalState *finalState = new QFinalState(machine);

    //If the moving animation is finished we move to the return state
    movement->addTransition(movement, &QAnimationState::animationFinished, rotation);
@ -128,7 +126,7 @@ SubMarine::SubMarine(int type, const QString &name, int points) : PixmapItem(QSt
    moving->addTransition(this, &SubMarine::subMarineDestroyed, destroyedState);

    //Transition to final state when the destroyed animation is finished
-    destroyedState->addTransition(destroyedState, &QAnimationState::animationFinished, final);
+    destroyedState->addTransition(destroyedState, &QAnimationState::animationFinished, finalState);

    //The machine has finished to be executed, then the submarine is dead
    connect(machine,&QState::finished,this, &SubMarine::subMarineExecutionFinished);
@ -145,9 +143,8 @@ void SubMarine::setCurrentDirection(SubMarine::Movement direction)
 {
    if (this->direction == direction)
        return;
-    if (direction == SubMarine::Right && this->direction == SubMarine::None) {
+    if (direction == SubMarine::Right && this->direction == SubMarine::None)
          graphicsRotation->setAngle(180);
-    }
    this->direction = direction;
 }

@ -158,9 +155,8 @@ enum SubMarine::Movement SubMarine::currentDirection() const

 void SubMarine::setCurrentSpeed(int speed)
 {
-    if (speed < 0 || speed > 3) {
+    if (speed < 0 || speed > 3)
        qWarning("SubMarine::setCurrentSpeed : The speed is invalid");
-    }
    this->speed = speed;
    emit subMarineStateChanged();
 }
@ -172,7 +168,7 @@ int SubMarine::currentSpeed() const

 void SubMarine::launchTorpedo(int speed)
 {
-    Torpedo * torp = new Torpedo();
+    Torpedo *torp = new Torpedo;
    GraphicsScene *scene = static_cast<GraphicsScene *>(this->scene());
    scene->addItem(torp);
    torp->setPos(pos());
--- a/examples/widgets/animation/sub-attaq/submarine.h
+++ b/examples/widgets/animation/sub-attaq/submarine.h
@ -48,15 +48,12 @@
 **
 ****************************************************************************/

-#ifndef __SUBMARINE__H__
-#define __SUBMARINE__H__
-
-//Qt
-#include <QtWidgets/QGraphicsTransform>
+#ifndef SUBMARINE_H
+#define SUBMARINE_H

 #include "pixmapitem.h"

-class Torpedo;
+#include <QGraphicsRotation>

 class SubMarine : public PixmapItem
 {
@ -99,4 +96,4 @@ private:
    QGraphicsRotation *graphicsRotation;
 };

-#endif //__SUBMARINE__H__
+#endif // SUBMARINE_H
--- a/examples/widgets/animation/sub-attaq/submarine_p.h
+++ b/examples/widgets/animation/sub-attaq/submarine_p.h
@ -68,16 +68,15 @@
 #include "qanimationstate.h"

 //Qt
-#include <QtCore/QPropertyAnimation>
-#include <QtCore/QRandomGenerator>
-#include <QtWidgets/QGraphicsScene>
+#include <QPropertyAnimation>
+#include <QRandomGenerator>

 //This state is describing when the boat is moving right
 class MovementState : public QAnimationState
 {
 Q_OBJECT
 public:
-    explicit MovementState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent)
+    explicit MovementState(SubMarine *submarine, QState *parent = nullptr) : QAnimationState(parent)
    {
        movementAnimation = new QPropertyAnimation(submarine, "pos");
        connect(movementAnimation, &QPropertyAnimation::valueChanged,
@ -117,7 +116,7 @@ private:
 class ReturnState : public QAnimationState
 {
 public:
-    explicit ReturnState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent)
+    explicit ReturnState(SubMarine *submarine, QState *parent = nullptr) : QAnimationState(parent)
    {
        returnAnimation = new QPropertyAnimation(submarine->rotation(), "angle");
        returnAnimation->setDuration(500);
--- a/examples/widgets/animation/sub-attaq/textinformationitem.cpp
+++ b/examples/widgets/animation/sub-attaq/textinformationitem.cpp
@ -50,14 +50,15 @@
 #include "textinformationitem.h"
 #include "pixmapitem.h"

-TextInformationItem::TextInformationItem (QGraphicsItem * parent)
+TextInformationItem::TextInformationItem (QGraphicsItem *parent)
    : QGraphicsTextItem(parent)
 {
    setFont(QFont("Comic Sans MS", 15));
 }
-#include <QDebug>
-void TextInformationItem::setMessage(const QString& text)
+
+void TextInformationItem::setMessage(const QString &text)
 {
    setHtml(text);
-    setPos(parentItem()->boundingRect().center().x() - boundingRect().size().width()/2 , parentItem()->boundingRect().center().y());
+    setPos(parentItem()->boundingRect().center().x() - boundingRect().size().width() / 2,
+           parentItem()->boundingRect().center().y());
 }
--- a/examples/widgets/animation/sub-attaq/textinformationitem.h
+++ b/examples/widgets/animation/sub-attaq/textinformationitem.h
@ -52,13 +52,13 @@
 #define TEXTINFORMATIONITEM_H

 //Qt
-#include <QtWidgets/QGraphicsTextItem>
+#include <QGraphicsTextItem>

 class TextInformationItem : public QGraphicsTextItem
 {
 public:
-    TextInformationItem(QGraphicsItem * parent = 0);
-    void setMessage(const QString& text);
+    TextInformationItem(QGraphicsItem *parent = nullptr);
+    void setMessage(const QString &text);
 };

 #endif // TEXTINFORMATIONITEM_H
--- a/examples/widgets/animation/sub-attaq/torpedo.cpp
+++ b/examples/widgets/animation/sub-attaq/torpedo.cpp
@ -50,15 +50,14 @@

 //Own
 #include "torpedo.h"
-#include "pixmapitem.h"
 #include "boat.h"
 #include "graphicsscene.h"
 #include "animationmanager.h"
 #include "qanimationstate.h"

-#include <QtCore/QPropertyAnimation>
-#include <QtCore/QStateMachine>
-#include <QtCore/QFinalState>
+#include <QPropertyAnimation>
+#include <QStateMachine>
+#include <QFinalState>

 Torpedo::Torpedo() : PixmapItem(QString::fromLatin1("torpedo"),GraphicsScene::Big),
    currentSpeed(0)
@ -70,11 +69,11 @@ void Torpedo::launch()
 {
    QPropertyAnimation *launchAnimation = new QPropertyAnimation(this, "pos");
    AnimationManager::self()->registerAnimation(launchAnimation);
-    launchAnimation->setEndValue(QPointF(x(),qobject_cast<GraphicsScene *>(scene())->sealLevel() - 15));
+    launchAnimation->setEndValue(QPointF(x(), qobject_cast<GraphicsScene *>(scene())->sealLevel() - 15));
    launchAnimation->setEasingCurve(QEasingCurve::InQuad);
-    launchAnimation->setDuration(y()/currentSpeed*10);
-    connect(launchAnimation,&QVariantAnimation::valueChanged,this,&Torpedo::onAnimationLaunchValueChanged);
-    connect(this,&Torpedo::torpedoExploded, launchAnimation, &QAbstractAnimation::stop);
+    launchAnimation->setDuration(y() / currentSpeed * 10);
+    connect(launchAnimation, &QVariantAnimation::valueChanged, this, &Torpedo::onAnimationLaunchValueChanged);
+    connect(this, &Torpedo::torpedoExploded, launchAnimation, &QAbstractAnimation::stop);

    //We setup the state machine of the torpedo
    QStateMachine *machine = new QStateMachine(this);
@ -84,18 +83,18 @@ void Torpedo::launch()
    launched->setAnimation(launchAnimation);

    //End
-    QFinalState *final = new QFinalState(machine);
+    QFinalState *finalState = new QFinalState(machine);

    machine->setInitialState(launched);

    //### Add a nice animation when the torpedo is destroyed
-    launched->addTransition(this, &Torpedo::torpedoExploded,final);
+    launched->addTransition(this, &Torpedo::torpedoExploded, finalState);

    //If the animation is finished, then we move to the final state
-    launched->addTransition(launched, &QAnimationState::animationFinished, final);
+    launched->addTransition(launched, &QAnimationState::animationFinished, finalState);

    //The machine has finished to be executed, then the boat is dead
-    connect(machine,&QState::finished,this, &Torpedo::torpedoExecutionFinished);
+    connect(machine, &QState::finished, this, &Torpedo::torpedoExecutionFinished);

    machine->start();
 }
--- a/examples/widgets/animation/sub-attaq/torpedo.h
+++ b/examples/widgets/animation/sub-attaq/torpedo.h
@ -48,8 +48,8 @@
 **
 ****************************************************************************/

-#ifndef __TORPEDO__H__
-#define __TORPEDO__H__
+#ifndef TORPEDO_H
+#define TORPEDO_H

 #include "pixmapitem.h"

@ -73,4 +73,4 @@ private:
    int currentSpeed;
 };

-#endif //__TORPEDO__H__
+#endif // TORPEDO_H
--- a/examples/widgets/graphicsview/boxes/scene.cpp
+++ b/examples/widgets/graphicsview/boxes/scene.cpp
@ -128,10 +128,6 @@ void ColorEdit::mousePressEvent(QMouseEvent *event)
        QColor color(m_color);
        QColorDialog dialog(color, 0);
        dialog.setOption(QColorDialog::ShowAlphaChannel, true);
-// The ifdef block is a workaround for the beta, TODO: remove when bug 238525 is fixed
-#if 0 // Used to be included in Qt4 for Q_WS_MAC
-        dialog.setOption(QColorDialog::DontUseNativeDialog, true);
-#endif
        dialog.move(280, 120);
        if (dialog.exec() == QDialog::Rejected)
            return;
--- a/examples/widgets/graphicsview/chip/view.cpp
+++ b/examples/widgets/graphicsview/chip/view.cpp
@ -68,7 +68,7 @@
 void GraphicsView::wheelEvent(QWheelEvent *e)
 {
    if (e->modifiers() & Qt::ControlModifier) {
-        if (e->delta() > 0)
+        if (e->angleDelta().y() > 0)
            view->zoomIn(6);
        else
            view->zoomOut(6);
--- a/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
+++ b/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
@ -190,7 +190,7 @@ void GraphWidget::timerEvent(QTimerEvent *event)
 //! [5]
 void GraphWidget::wheelEvent(QWheelEvent *event)
 {
-    scaleView(pow((double)2, -event->delta() / 240.0));
+    scaleView(pow((double)2, -event->angleDelta().y() / 240.0));
 }
 //! [5]
 #endif
--- a/examples/widgets/itemviews/dirview/main.cpp
+++ b/examples/widgets/itemviews/dirview/main.cpp
@ -65,8 +65,10 @@ int main(int argc, char *argv[])
    parser.setApplicationDescription("Qt Dir View Example");
    parser.addHelpOption();
    parser.addVersionOption();
-    QCommandLineOption dontUseCustomDirectoryIconsOption("c", "Set QFileIconProvider::DontUseCustomDirectoryIcons");
+    QCommandLineOption dontUseCustomDirectoryIconsOption("c", "Set QFileSystemModel::DontUseCustomDirectoryIcons");
    parser.addOption(dontUseCustomDirectoryIconsOption);
+    QCommandLineOption dontWatchOption("w", "Set QFileSystemModel::DontWatch");
+    parser.addOption(dontWatchOption);
    parser.addPositionalArgument("directory", "The directory to start in.");
    parser.process(app);
    const QString rootPath = parser.positionalArguments().isEmpty()
@ -75,7 +77,9 @@ int main(int argc, char *argv[])
    QFileSystemModel model;
    model.setRootPath("");
    if (parser.isSet(dontUseCustomDirectoryIconsOption))
-        model.iconProvider()->setOptions(QFileIconProvider::DontUseCustomDirectoryIcons);
+        model.setOption(QFileSystemModel::DontUseCustomDirectoryIcons);
+    if (parser.isSet(dontWatchOption))
+        model.setOption(QFileSystemModel::DontWatchForChanges);
    QTreeView tree;
    tree.setModel(&model);
    if (!rootPath.isEmpty()) {
--- a/examples/widgets/painting/affine/xform.cpp
+++ b/examples/widgets/painting/affine/xform.cpp
@ -260,7 +260,7 @@ void XFormView::timerEvent(QTimerEvent *e)
 #if QT_CONFIG(wheelevent)
 void XFormView::wheelEvent(QWheelEvent *e)
 {
-    m_scale += e->delta() / qreal(600);
+    m_scale += e->angleDelta().y() / qreal(600);
    m_scale = qMax(qreal(0.1), qMin(qreal(4), m_scale));
    emit scaleChanged(int(m_scale*1000));
 }
--- a/examples/widgets/tools/codecs/encodingdialog.cpp
+++ b/examples/widgets/tools/codecs/encodingdialog.cpp
@ -248,7 +248,7 @@ static const char *encodingToolTips[]
 {
    QT_TRANSLATE_NOOP("EncodingDialog", "Unicode points for use with any encoding (C++, Python)"),
    QT_TRANSLATE_NOOP("EncodingDialog", "QString::fromUtf8()"),
-    QT_TRANSLATE_NOOP("EncodingDialog", "QStringViewLiteral(), wchar_t on Windows"),
+    QT_TRANSLATE_NOOP("EncodingDialog", "wchar_t on Windows, char16_t everywhere"),
    QT_TRANSLATE_NOOP("EncodingDialog", "wchar_t on Unix (Ucs4)"),
    QT_TRANSLATE_NOOP("EncodingDialog", "QLatin1String")
 };
--- a/examples/widgets/tools/i18n/languagechooser.cpp
+++ b/examples/widgets/tools/i18n/languagechooser.cpp
@ -53,12 +53,6 @@
 #include "languagechooser.h"
 #include "mainwindow.h"

-#if 0 // Used to be included in Qt4 for Q_WS_MAC
-QT_BEGIN_NAMESPACE
-extern void qt_mac_set_menubar_merge(bool merge);
-QT_END_NAMESPACE
-#endif
-
 LanguageChooser::LanguageChooser(const QString& defaultLang, QWidget *parent)
    : QDialog(parent, Qt::WindowStaysOnTopHint)
 {
@ -95,10 +89,6 @@ LanguageChooser::LanguageChooser(const QString& defaultLang, QWidget *parent)
    mainLayout->addWidget(buttonBox);
    setLayout(mainLayout);

-#if 0 // Used to be included in Qt4 for Q_WS_MAC
-    qt_mac_set_menubar_merge(false);
-#endif
-
    setWindowTitle("I18N");
 }

--- a/examples/widgets/widgets/mousebuttons/buttontester.cpp
+++ b/examples/widgets/widgets/mousebuttons/buttontester.cpp
@ -93,15 +93,16 @@ void ButtonTester::mouseDoubleClickEvent(QMouseEvent *e)
 void ButtonTester::wheelEvent (QWheelEvent *e)
 {
    QString result;
-    if (e->delta() > 0) {
-
-        if (e->orientation() == Qt::Vertical) {
+    const bool vertical = qAbs(e->angleDelta().y()) >= qAbs(e->angleDelta().x());
+    const int delta = vertical ? e->angleDelta().y() : e->angleDelta().x();
+    if (delta > 0) {
+        if (vertical) {
            result = "Mouse Wheel Event: UP";
        } else {
            result = "Mouse Wheel Event: LEFT";
        }
-    } else if (e->delta() < 0) {
-        if (e->orientation() == Qt::Vertical) {
+    } else if (delta < 0) {
+        if (vertical) {
            result = "Mouse Wheel Event: DOWN";
        } else {
            result = "Mouse Wheel Event: RIGHT";
--- a/mkspecs/android-clang/qmake.conf
+++ b/mkspecs/android-clang/qmake.conf
@ -8,43 +8,108 @@ CONFIG                 += android_install unversioned_soname unversioned_libname
 include(../common/linux.conf)
 include(../common/gcc-base-unix.conf)
 include(../common/clang.conf)
-include(../common/android-base-head.conf)

-NDK_LLVM_PATH = $$NDK_ROOT/toolchains/llvm/prebuilt/$$NDK_HOST
-QMAKE_CC      = $$NDK_LLVM_PATH/bin/clang
-QMAKE_CXX     = $$NDK_LLVM_PATH/bin/clang++
+load(device_config)

-equals(ANDROID_TARGET_ARCH, armeabi-v7a): \
-    QMAKE_CFLAGS += -target armv7-none-linux-androideabi
-else: equals(ANDROID_TARGET_ARCH, armeabi): \
-    QMAKE_CFLAGS += -target armv5te-none-linux-androideabi
-else: equals(ANDROID_TARGET_ARCH, arm64-v8a): \
-    QMAKE_CFLAGS += -target aarch64-none-linux-android
-else: equals(ANDROID_TARGET_ARCH, x86): \
-    QMAKE_CFLAGS += -target i686-none-linux-android -mstackrealign
-else: equals(ANDROID_TARGET_ARCH, x86_64): \
-    QMAKE_CFLAGS += -target x86_64-none-linux-android
+# In early configure setup; nothing useful to be done here.
+isEmpty(DEFAULT_ANDROID_NDK_ROOT): return()

-QMAKE_CFLAGS += -gcc-toolchain $$NDK_TOOLCHAIN_PATH -fno-limit-debug-info
+NDK_ROOT = $$(ANDROID_NDK_ROOT)
+isEmpty(NDK_ROOT): NDK_ROOT = $$DEFAULT_ANDROID_NDK_ROOT

-QMAKE_LINK    = $$QMAKE_CXX $$QMAKE_CFLAGS -Wl,--exclude-libs,libgcc.a -Wl,--exclude-libs,libatomic.a -nostdlib++
-equals(ANDROID_TARGET_ARCH, armeabi-v7a): QMAKE_LINK += -Wl,--exclude-libs,libunwind.a
+!exists($$NDK_ROOT): error("You need to set the ANDROID_NDK_ROOT environment variable to point to your Android NDK.")

-QMAKE_CFLAGS += -DANDROID_HAS_WSTRING --sysroot=$$NDK_ROOT/sysroot \
-                -isystem $$NDK_ROOT/sysroot/usr/include/$$NDK_TOOLS_PREFIX \
-                -isystem $$NDK_ROOT/sources/cxx-stl/llvm-libc++/include \
-                -isystem $$NDK_ROOT/sources/android/support/include \
-                -isystem $$NDK_ROOT/sources/cxx-stl/llvm-libc++abi/include
+NDK_HOST = $$(ANDROID_NDK_HOST)
+isEmpty(NDK_HOST): NDK_HOST = $$DEFAULT_ANDROID_NDK_HOST

-ANDROID_SOURCES_CXX_STL_LIBDIR = $$NDK_ROOT/sources/cxx-stl/llvm-libc++/libs/$$ANDROID_TARGET_ARCH
+ANDROID_PLATFORM = $$(ANDROID_NDK_PLATFORM)
+isEmpty(ANDROID_PLATFORM): ANDROID_PLATFORM = $$DEFAULT_ANDROID_PLATFORM

-ANDROID_STDCPP_PATH = $$ANDROID_SOURCES_CXX_STL_LIBDIR/libc++_shared.so
+ANDROID_SDK_ROOT = $$(ANDROID_SDK_ROOT)
+isEmpty(ANDROID_SDK_ROOT): ANDROID_SDK_ROOT = $$DEFAULT_ANDROID_SDK_ROOT
+
+ANDROID_SDK_BUILD_TOOLS_REVISION = $$(ANDROID_BUILD_TOOLS_REVISION)
+isEmpty(ANDROID_SDK_BUILD_TOOLS_REVISION) {
+    SDK_BUILD_TOOLS_REVISIONS = $$files($$ANDROID_SDK_ROOT/build-tools/*)
+    for (REVISION, SDK_BUILD_TOOLS_REVISIONS) {
+        BASENAME = $$basename(REVISION)
+        greaterThan(BASENAME, $$ANDROID_SDK_BUILD_TOOLS_REVISION): ANDROID_SDK_BUILD_TOOLS_REVISION = $$BASENAME
+    }
+}
+
+ALL_ANDROID_ABIS = $$(ALL_ANDROID_ABIS)
+isEmpty(ALL_ANDROID_ABIS): ALL_ANDROID_ABIS = $$DEFAULT_ANDROID_ABIS
+isEmpty(ALL_ANDROID_ABIS): ALL_ANDROID_ABIS = arm64-v8a armeabi-v7a x86_64 x86
+
+CONFIG += $$ANDROID_PLATFORM
+
+QMAKE_PCH_OUTPUT_EXT    = .gch
+
+QMAKE_CFLAGS_PRECOMPILE       = -x c-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
+QMAKE_CFLAGS_USE_PRECOMPILE   = -include ${QMAKE_PCH_OUTPUT_BASE}
+QMAKE_CXXFLAGS_PRECOMPILE     = -x c++-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
+QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+
+NDK_LLVM_PATH    = $$NDK_ROOT/toolchains/llvm/prebuilt/$$NDK_HOST
+QMAKE_CC         = $$NDK_LLVM_PATH/bin/clang
+QMAKE_CXX        = $$NDK_LLVM_PATH/bin/clang++
+QMAKE_LINK       = $$QMAKE_CXX
+QMAKE_OBJCOPY    = $$NDK_LLVM_PATH/bin/llvm-objcopy
+QMAKE_AR         = $$NDK_LLVM_PATH/bin/llvm-ar cqs
+QMAKE_OBJCOPY    = $$NDK_LLVM_PATH/bin/llvm-objcopy
+QMAKE_NM         = $$NDK_LLVM_PATH/bin/llvm-nm -P
+
+QMAKE_CFLAGS_OPTIMIZE      = -Oz
+QMAKE_CFLAGS_OPTIMIZE_FULL = -Oz
+
+QMAKE_CFLAGS_WARN_ON    = -Wall -W
+QMAKE_CFLAGS_WARN_OFF   =
+QMAKE_CFLAGS_SHLIB      = -fPIC
+QMAKE_CFLAGS_YACC       = -Wno-unused -Wno-parentheses
+QMAKE_CFLAGS_THREAD     = -D_REENTRANT
+QMAKE_CFLAGS_HIDESYMS   = -fvisibility=hidden
+QMAKE_CFLAGS_NEON       = -mfpu=neon
+
+QMAKE_LFLAGS_APP        = -Wl,--no-undefined -Wl,-z,noexecstack -shared
+QMAKE_LFLAGS_SHLIB      = -Wl,--no-undefined -Wl,-z,noexecstack -shared
+QMAKE_LFLAGS_PLUGIN     = $$QMAKE_LFLAGS_SHLIB
+QMAKE_LFLAGS_NOUNDEF    = -Wl,--no-undefined
+QMAKE_LFLAGS_RPATH      = -Wl,-rpath=
+QMAKE_LFLAGS_RPATHLINK  = -Wl,-rpath-link=
+
+QMAKE_LIBS_X11          =
+QMAKE_LIBS_THREAD       =
+QMAKE_LIBS_OPENGL       =
+QMAKE_INCDIR_POST       =
+QMAKE_INCDIR_X11        =
+QMAKE_LIBDIR_X11        =
+QMAKE_INCDIR_OPENGL     =
+QMAKE_LIBDIR_OPENGL     =

 ANDROID_USE_LLVM = true

-exists($$ANDROID_SOURCES_CXX_STL_LIBDIR/libc++.so): \
-    ANDROID_CXX_STL_LIBS = -lc++
-else: \
-    ANDROID_CXX_STL_LIBS = $$ANDROID_SOURCES_CXX_STL_LIBDIR/libc++.so.$$replace(ANDROID_PLATFORM, "android-", "")
+armeabi-v7a.sdk = armeabi-v7a
+armeabi-v7a.target = armeabi-v7a
+armeabi-v7a.dir_affix = armeabi-v7a
+armeabi-v7a.CONFIG = armeabi-v7a
+armeabi-v7a.deployment_identifier = armeabi-v7a

-include(../common/android-base-tail.conf)
+arm64-v8a.sdk = arm64-v8a
+arm64-v8a.target = arm64-v8a
+arm64-v8a.dir_affix = arm64-v8a
+arm64-v8a.CONFIG = arm64-v8a
+arm64-v8a.deployment_identifier = arm64-v8a
+
+x86.sdk = x86
+x86.target = x86
+x86.dir_affix = x86
+x86.CONFIG = x86
+x86.deployment_identifier = x86
+
+x86_64.sdk = x86_64
+x86_64.target = x86_64
+x86_64.dir_affix = x86_64
+x86_64.CONFIG = x86_64
+x86_64.deployment_identifier = x86_64
+
+load(qt_config)
--- a/mkspecs/android-g++/qmake.conf
+++ b/mkspecs/android-g++/qmake.conf
@ -1,35 +0,0 @@
-# qmake configuration for building with android-g++
-MAKEFILE_GENERATOR      = UNIX
-QMAKE_PLATFORM          = android
-QMAKE_COMPILER          = gcc
-
-CONFIG                 += android_install unversioned_soname unversioned_libname plugin_with_soname android_deployment_settings
-
-include(../common/linux.conf)
-include(../common/gcc-base-unix.conf)
-include(../common/android-base-head.conf)
-
-QMAKE_CC                = $${CROSS_COMPILE}gcc
-QMAKE_CXX               = $${CROSS_COMPILE}g++
-QMAKE_LINK              = $$QMAKE_CXX
-
-ANDROID_SOURCES_CXX_STL_LIBDIR = $$NDK_ROOT/sources/cxx-stl/gnu-libstdc++/$$NDK_TOOLCHAIN_VERSION/libs/$$ANDROID_TARGET_ARCH
-ANDROID_STDCPP_PATH            = $$ANDROID_SOURCES_CXX_STL_LIBDIR/libgnustl_shared.so
-ANDROID_CXX_STL_LIBS           = -lgnustl_shared -lgcc
-ANDROID_USE_LLVM               = false
-
-exists($$NDK_ROOT/sysroot/usr/include): \
-        QMAKE_CFLAGS += --sysroot=$$NDK_ROOT/sysroot \
-                        -isystem $$NDK_ROOT/sysroot/usr/include/$$NDK_TOOLS_PREFIX
-else:   QMAKE_CFLAGS += --sysroot=$$ANDROID_PLATFORM_ROOT_PATH
-
-QMAKE_CFLAGS += -isystem $$NDK_ROOT/sources/cxx-stl/gnu-libstdc++/$$NDK_TOOLCHAIN_VERSION/include \
-                -isystem $$ANDROID_SOURCES_CXX_STL_LIBDIR/include
-
-equals(ANDROID_TARGET_ARCH, armeabi)|equals(ANDROID_TARGET_ARCH, armeabi-v7a): \
-    LIBGCC_PATH_FULL = $$system("$$QMAKE_CXX -mthumb-interwork -print-libgcc-file-name")
-else: \
-    LIBGCC_PATH_FULL = $$system("$$QMAKE_CXX -print-libgcc-file-name")
-ANDROID_SOURCES_CXX_STL_LIBDIR += $$dirname(LIBGCC_PATH_FULL)
-
-include(../common/android-base-tail.conf)
--- a/mkspecs/android-g++/qplatformdefs.h
+++ b/mkspecs/android-g++/qplatformdefs.h
@ -1,177 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the qmake spec of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QPLATFORMDEFS_H
-#define QPLATFORMDEFS_H
-
-// Get Qt defines/settings
-
-#include "qglobal.h"
-
-// Set any POSIX/XOPEN defines at the top of this file to turn on specific APIs
-
-// 1) need to reset default environment if _BSD_SOURCE is defined
-// 2) need to specify POSIX thread interfaces explicitly in glibc 2.0
-// 3) it seems older glibc need this to include the X/Open stuff
-
-#include <unistd.h>
-
-// We are hot - unistd.h should have turned on the specific APIs we requested
-
-#include <features.h>
-#include <pthread.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <grp.h>
-#include <pwd.h>
-#include <signal.h>
-#include <dlfcn.h>
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <sys/ipc.h>
-#include <sys/time.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-
-#ifndef _GNU_SOURCE
-#  define _GNU_SOURCE
-#endif
-
-#ifdef QT_LARGEFILE_SUPPORT
-#define QT_STATBUF              struct stat64
-#define QT_STATBUF4TSTAT        struct stat64
-#define QT_STAT                 ::stat64
-#define QT_FSTAT                ::fstat64
-#define QT_LSTAT                ::lstat64
-#define QT_OPEN                 ::open64
-#define QT_TRUNCATE             ::truncate64
-#define QT_FTRUNCATE            ::ftruncate64
-#define QT_LSEEK                ::lseek64
-#else
-#define QT_STATBUF              struct stat
-#define QT_STATBUF4TSTAT        struct stat
-#define QT_STAT                 ::stat
-#define QT_FSTAT                ::fstat
-#define QT_LSTAT                ::lstat
-#define QT_OPEN                 ::open
-#define QT_TRUNCATE             ::truncate
-#define QT_FTRUNCATE            ::ftruncate
-#define QT_LSEEK                ::lseek
-#endif
-
-#ifdef QT_LARGEFILE_SUPPORT
-#define QT_FOPEN                ::fopen64
-#define QT_FSEEK                ::fseeko64
-#define QT_FTELL                ::ftello64
-#define QT_FGETPOS              ::fgetpos64
-#define QT_FSETPOS              ::fsetpos64
-#define QT_MMAP                 ::mmap64
-#define QT_FPOS_T               fpos64_t
-#define QT_OFF_T                off64_t
-#else
-#define QT_FOPEN                ::fopen
-#define QT_FSEEK                ::fseek
-#define QT_FTELL                ::ftell
-#define QT_FGETPOS              ::fgetpos
-#define QT_FSETPOS              ::fsetpos
-#define QT_MMAP                 ::mmap
-#define QT_FPOS_T               fpos_t
-#define QT_OFF_T                long
-#endif
-
-#define QT_STAT_REG             S_IFREG
-#define QT_STAT_DIR             S_IFDIR
-#define QT_STAT_MASK            S_IFMT
-#define QT_STAT_LNK             S_IFLNK
-#define QT_SOCKET_CONNECT       ::connect
-#define QT_SOCKET_BIND          ::bind
-#define QT_FILENO               fileno
-#define QT_CLOSE                ::close
-#define QT_READ                 ::read
-#define QT_WRITE                ::write
-#define QT_ACCESS               ::access
-#define QT_GETCWD               ::getcwd
-#define QT_CHDIR                ::chdir
-#define QT_MKDIR                ::mkdir
-#define QT_RMDIR                ::rmdir
-#define QT_OPEN_LARGEFILE       O_LARGEFILE
-#define QT_OPEN_RDONLY          O_RDONLY
-#define QT_OPEN_WRONLY          O_WRONLY
-#define QT_OPEN_RDWR            O_RDWR
-#define QT_OPEN_CREAT           O_CREAT
-#define QT_OPEN_TRUNC           O_TRUNC
-#define QT_OPEN_APPEND          O_APPEND
-#define QT_OPEN_EXCL            O_EXCL
-
-// Directory iteration
-#define QT_DIR                  DIR
-
-#define QT_OPENDIR              ::opendir
-#define QT_CLOSEDIR             ::closedir
-
-#if defined(QT_LARGEFILE_SUPPORT) \
-        && defined(QT_USE_XOPEN_LFS_EXTENSIONS) \
-        && !defined(QT_NO_READDIR64)
-#define QT_DIRENT               struct dirent64
-#define QT_READDIR              ::readdir64
-#define QT_READDIR_R            ::readdir64_r
-#else
-#define QT_DIRENT               struct dirent
-#define QT_READDIR              ::readdir
-#define QT_READDIR_R            ::readdir_r
-#endif
-
-#define QT_SOCKET_CONNECT       ::connect
-#define QT_SOCKET_BIND          ::bind
-
-
-#define QT_SIGNAL_RETTYPE       void
-#define QT_SIGNAL_ARGS          int
-#define QT_SIGNAL_IGNORE        SIG_IGN
-
-#define QT_SOCKLEN_T            socklen_t
-
-#if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 500)
-#define QT_SNPRINTF             ::snprintf
-#define QT_VSNPRINTF            ::vsnprintf
-#endif
-
-#endif // QPLATFORMDEFS_H
--- a/mkspecs/common/android-base-head.conf
+++ b/mkspecs/common/android-base-head.conf
@ -1,72 +0,0 @@
-load(device_config)
-
-# In early configure setup; nothing useful to be done here.
-isEmpty(DEFAULT_ANDROID_NDK_ROOT): return()
-
-NDK_ROOT = $$(ANDROID_NDK_ROOT)
-isEmpty(NDK_ROOT): NDK_ROOT = $$DEFAULT_ANDROID_NDK_ROOT
-
-NDK_HOST = $$(ANDROID_NDK_HOST)
-isEmpty(NDK_HOST): NDK_HOST = $$DEFAULT_ANDROID_NDK_HOST
-
-ANDROID_PLATFORM = $$(ANDROID_NDK_PLATFORM)
-isEmpty(ANDROID_PLATFORM): ANDROID_PLATFORM = $$DEFAULT_ANDROID_PLATFORM
-
-ANDROID_TARGET_ARCH = $$(ANDROID_TARGET_ARCH)
-isEmpty(ANDROID_TARGET_ARCH): ANDROID_TARGET_ARCH = $$DEFAULT_ANDROID_TARGET_ARCH
-
-NDK_TOOLCHAIN_PREFIX = $$(ANDROID_NDK_TOOLCHAIN_PREFIX)
-isEmpty(NDK_TOOLCHAIN_PREFIX) {
-    equals(ANDROID_TARGET_ARCH, x86): NDK_TOOLCHAIN_PREFIX = x86
-    else: equals(ANDROID_TARGET_ARCH, x86_64): NDK_TOOLCHAIN_PREFIX = x86_64
-    else: equals(ANDROID_TARGET_ARCH, arm64-v8a): NDK_TOOLCHAIN_PREFIX = aarch64-linux-android
-    else: NDK_TOOLCHAIN_PREFIX = arm-linux-androideabi
-}
-
-NDK_TOOLS_PREFIX = $$(ANDROID_NDK_TOOLS_PREFIX)
-isEmpty(NDK_TOOLS_PREFIX) {
-    equals(ANDROID_TARGET_ARCH, x86): NDK_TOOLS_PREFIX = i686-linux-android
-    else: equals(ANDROID_TARGET_ARCH, x86_64): NDK_TOOLS_PREFIX = x86_64-linux-android
-    else: equals(ANDROID_TARGET_ARCH, arm64-v8a): NDK_TOOLS_PREFIX = aarch64-linux-android
-    else: NDK_TOOLS_PREFIX = arm-linux-androideabi
-}
-
-NDK_TOOLCHAIN_VERSION = $$(ANDROID_NDK_TOOLCHAIN_VERSION)
-isEmpty(NDK_TOOLCHAIN_VERSION): NDK_TOOLCHAIN_VERSION = $$DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION
-
-equals(ANDROID_TARGET_ARCH, x86): ANDROID_ARCHITECTURE = x86
-else: equals(ANDROID_TARGET_ARCH, x86_64): ANDROID_ARCHITECTURE = x86_64
-else: equals(ANDROID_TARGET_ARCH, arm64-v8a): ANDROID_ARCHITECTURE = arm64
-else: ANDROID_ARCHITECTURE = arm
-
-!equals(NDK_TOOLCHAIN_VERSION, 4.4.3): ANDROID_CXXSTL_SUFFIX = -$$NDK_TOOLCHAIN_VERSION
-
-NDK_TOOLCHAIN = $$NDK_TOOLCHAIN_PREFIX-$$NDK_TOOLCHAIN_VERSION
-NDK_TOOLCHAIN_PATH = $$NDK_ROOT/toolchains/$$NDK_TOOLCHAIN/prebuilt/$$NDK_HOST
-
-
-ANDROID_SDK_ROOT = $$(ANDROID_SDK_ROOT)
-isEmpty(ANDROID_SDK_ROOT): ANDROID_SDK_ROOT = $$DEFAULT_ANDROID_SDK_ROOT
-
-ANDROID_SDK_BUILD_TOOLS_REVISION = $$(ANDROID_BUILD_TOOLS_REVISION)
-isEmpty(ANDROID_SDK_BUILD_TOOLS_REVISION) {
-    SDK_BUILD_TOOLS_REVISIONS = $$files($$ANDROID_SDK_ROOT/build-tools/*)
-    for (REVISION, SDK_BUILD_TOOLS_REVISIONS) {
-        BASENAME = $$basename(REVISION)
-        greaterThan(BASENAME, $$ANDROID_SDK_BUILD_TOOLS_REVISION): ANDROID_SDK_BUILD_TOOLS_REVISION = $$BASENAME
-    }
-}
-
-CONFIG += $$ANDROID_PLATFORM
-QMAKE_CFLAGS = -D__ANDROID_API__=$$replace(ANDROID_PLATFORM, "android-", "")
-
-ANDROID_PLATFORM_ROOT_PATH  = $$NDK_ROOT/platforms/$$ANDROID_PLATFORM/arch-$$ANDROID_ARCHITECTURE/
-
-CROSS_COMPILE = $$NDK_TOOLCHAIN_PATH/bin/$$NDK_TOOLS_PREFIX-
-
-QMAKE_PCH_OUTPUT_EXT    = .gch
-
-QMAKE_CFLAGS_PRECOMPILE       = -x c-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
-QMAKE_CFLAGS_USE_PRECOMPILE   = -include ${QMAKE_PCH_OUTPUT_BASE}
-QMAKE_CXXFLAGS_PRECOMPILE     = -x c++-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
-QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
--- a/mkspecs/common/android-base-tail.conf
+++ b/mkspecs/common/android-base-tail.conf
@ -1,90 +0,0 @@
-# In early configure setup; nothing useful to be done here.
-isEmpty(DEFAULT_ANDROID_NDK_ROOT): return()
-
-# -fstack-protector-strong offers good protection against stack smashing attacks.
-# It is (currently) enabled only on Android because we know for sure that Andoroid compilers supports it
-QMAKE_CFLAGS += -fstack-protector-strong -DANDROID
-
-equals(ANDROID_TARGET_ARCH, armeabi-v7a): \
-    QMAKE_CFLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=vfp -fno-builtin-memmove
-else: equals(ANDROID_TARGET_ARCH, armeabi): \
-    QMAKE_CFLAGS += -march=armv5te -mtune=xscale -msoft-float -fno-builtin-memmove
-# -fno-builtin-memmove is used to workaround https://code.google.com/p/android/issues/detail?id=81692
-
-QMAKE_CFLAGS_WARN_ON    = -Wall -W
-QMAKE_CFLAGS_WARN_OFF   =
-equals(ANDROID_TARGET_ARCH, armeabi-v7a) | equals(ANDROID_TARGET_ARCH, armeabi) {
-    CONFIG += optimize_size
-    QMAKE_CFLAGS_DEBUG                     = -g -marm -O0
-    equals(ANDROID_TARGET_ARCH, armeabi):if(equals(NDK_TOOLCHAIN_VERSION, 4.8)|equals(NDK_TOOLCHAIN_VERSION, 4.9)) {
-        DEFINES += QT_OS_ANDROID_GCC_48_WORKAROUND
-    } else {
-        QMAKE_CFLAGS_RELEASE += -mthumb
-        QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO += -mthumb
-    }
-}
-
-QMAKE_CFLAGS_SHLIB      = -fPIC
-QMAKE_CFLAGS_YACC       = -Wno-unused -Wno-parentheses
-QMAKE_CFLAGS_THREAD     = -D_REENTRANT
-QMAKE_CFLAGS_HIDESYMS   = -fvisibility=hidden
-QMAKE_CFLAGS_NEON       = -mfpu=neon
-
-QMAKE_CFLAGS_GNUC99     = -std=gnu99
-QMAKE_CFLAGS_GNUC11     = -std=gnu11
-QMAKE_CXXFLAGS_CXX11    = -std=c++11
-QMAKE_CXXFLAGS_CXX14    = -std=c++14
-QMAKE_CXXFLAGS_CXX1Z    = -std=c++1z
-QMAKE_CXXFLAGS_GNUCXX11 = -std=gnu++11
-QMAKE_CXXFLAGS_GNUCXX14 = -std=gnu++14
-QMAKE_CXXFLAGS_GNUCXX1Z = -std=gnu++1z
-
-QMAKE_CXXFLAGS          = $$QMAKE_CFLAGS
-QMAKE_CXXFLAGS_WARN_ON  = $$QMAKE_CFLAGS_WARN_ON
-QMAKE_CXXFLAGS_WARN_OFF = $$QMAKE_CFLAGS_WARN_OFF
-QMAKE_CXXFLAGS_RELEASE += $$QMAKE_CFLAGS_RELEASE
-QMAKE_CXXFLAGS_RELEASE_WITH_DEBUGINFO += $$QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO
-QMAKE_CXXFLAGS_DEBUG   += $$QMAKE_CFLAGS_DEBUG
-QMAKE_CXXFLAGS_SHLIB    = $$QMAKE_CFLAGS_SHLIB
-QMAKE_CXXFLAGS_YACC     = $$QMAKE_CFLAGS_YACC
-QMAKE_CXXFLAGS_THREAD   = $$QMAKE_CFLAGS_THREAD
-QMAKE_CXXFLAGS_HIDESYMS = $$QMAKE_CFLAGS_HIDESYMS -fvisibility-inlines-hidden
-
-# modifications to linux.conf
-QMAKE_AR                = $${CROSS_COMPILE}ar cqs
-QMAKE_OBJCOPY           = $${CROSS_COMPILE}objcopy
-QMAKE_NM                = $${CROSS_COMPILE}nm -P
-
-QMAKE_STRIP             =
-#$${CROSS_COMPILE}strip
-
-QMAKE_RANLIB            = $${CROSS_COMPILE}ranlib
-
-QMAKE_INCDIR_POST       =
-QMAKE_LIBDIR_POST       = $$ANDROID_SOURCES_CXX_STL_LIBDIR
-QMAKE_INCDIR_X11        =
-QMAKE_LIBDIR_X11        =
-QMAKE_INCDIR_OPENGL     =
-QMAKE_LIBDIR_OPENGL     =
-
-QMAKE_LINK_SHLIB        = $$QMAKE_LINK
-QMAKE_LFLAGS            = --sysroot=$$ANDROID_PLATFORM_ROOT_PATH
-equals(ANDROID_TARGET_ARCH, x86_64) QMAKE_LFLAGS += -L$$ANDROID_PLATFORM_ROOT_PATH/usr/lib64
-QMAKE_LFLAGS_APP        = -Wl,--no-undefined -Wl,-z,noexecstack -shared
-QMAKE_LFLAGS_SHLIB      = -Wl,--no-undefined -Wl,-z,noexecstack -shared
-QMAKE_LFLAGS_PLUGIN     = $$QMAKE_LFLAGS_SHLIB
-QMAKE_LFLAGS_NOUNDEF    = -Wl,--no-undefined
-QMAKE_LFLAGS_RPATH      = -Wl,-rpath=
-QMAKE_LFLAGS_RPATHLINK  = -Wl,-rpath-link=
-
-QMAKE_LIBS_PRIVATE      = $$ANDROID_CXX_STL_LIBS -llog -lz -lm -ldl -lc
-QMAKE_LIBS_X11          =
-QMAKE_LIBS_THREAD       =
-QMAKE_LIBS_EGL          = -lEGL
-QMAKE_LIBS_OPENGL       =
-QMAKE_LIBS_OPENGL_ES2   = -lGLESv2
-
-
-!exists($$NDK_ROOT): error("You need to set the ANDROID_NDK_ROOT environment variable to point to your Android NDK.")
-
-load(qt_config)
--- a/mkspecs/common/msvc-desktop.conf
+++ b/mkspecs/common/msvc-desktop.conf
@ -84,7 +84,7 @@ QMAKE_RUN_CXX_IMP_BATCH = $(CXX) -c $(CXXFLAGS) $(INCPATH) -Fo$@ @<<

 QMAKE_LINK              = link
 QMAKE_LFLAGS            = /NOLOGO /DYNAMICBASE /NXCOMPAT
-QMAKE_LFLAGS_RELEASE    = /INCREMENTAL:NO
+QMAKE_LFLAGS_RELEASE    = /OPT:REF /INCREMENTAL:NO
 QMAKE_LFLAGS_RELEASE_WITH_DEBUGINFO = /DEBUG /OPT:REF /INCREMENTAL:NO
 QMAKE_LFLAGS_DEBUG      = /DEBUG
 QMAKE_LFLAGS_CONSOLE    = /SUBSYSTEM:CONSOLE
--- a/mkspecs/features/android/android.prf
+++ b/mkspecs/features/android/android.prf
@ -4,29 +4,46 @@ APK_PATH = $$shell_path($$OUT_PWD/android-build/$${TARGET}.apk)
    apk_install_target.depends = first
    apk_install_target.commands = $(MAKE) -f $(MAKEFILE) INSTALL_ROOT=$$OUT_PWD/android-build install

-    apk.target = apk
-    apk.depends = apk_install_target
    qtPrepareTool(ANDROIDDEPLOYQT, androiddeployqt)
    isEmpty(ANDROID_DEPLOYMENT_SETTINGS_FILE): ANDROID_DEPLOYMENT_SETTINGS_FILE = $$OUT_PWD/android-$$TARGET-deployment-settings.json
    contains(QMAKE_HOST.os, Windows): extension = .exe
+
+    apk.target = apk
+    apk.depends = apk_install_target
    apk.commands = $$ANDROIDDEPLOYQT --input $$ANDROID_DEPLOYMENT_SETTINGS_FILE --output $$OUT_PWD/android-build --apk $$APK_PATH
+
+    aab.target = aab
+    aab.depends = apk_install_target
+    aab.commands = $$ANDROIDDEPLOYQT --input $$ANDROID_DEPLOYMENT_SETTINGS_FILE --output $$OUT_PWD/android-build --aab --apk $$APK_PATH
 } else {
+    prepareRecursiveTarget(aab)
    prepareRecursiveTarget(apk)
    prepareRecursiveTarget(apk_install_target)
 }
-QMAKE_EXTRA_TARGETS *= apk apk_install_target

-contains(TEMPLATE, ".*app") {
-    !android_app {
-        !contains(TARGET, ".so"): TARGET = lib$${TARGET}.so
-        QMAKE_LFLAGS += -Wl,-soname,$$shell_quote($$TARGET)
+build_pass {
+    contains(TEMPLATE, ".*app") {
+        !android_app {
+            !contains(TARGET, ".so") {
+                single_arch:TARGET = lib$${TARGET}.so
+                       else:TARGET = lib$${TARGET}_$${QT_ARCH}.so
+            }
+            QMAKE_LFLAGS += -Wl,-soname,$$shell_quote($$TARGET)

-        android_install {
-            target.path=/libs/$$ANDROID_TARGET_ARCH/
-            INSTALLS *= target
+            android_install {
+                target.path=/libs/$$ANDROID_TARGET_ARCH/
+                INSTALLS *= target
+            }
        }
+    } else: contains(TEMPLATE, "lib"):!static:!QTDIR_build:android_install {
+        target.path = /libs/$$ANDROID_TARGET_ARCH/
+        INSTALLS *= target
    }
-} else: contains(TEMPLATE, "lib"):!static:!QTDIR_build:android_install {
-    target.path = /libs/$$ANDROID_TARGET_ARCH/
-    INSTALLS *= target
+} else {
+    QMAKE_EXTRA_TARGETS *= aab apk apk_install_target
+
+    android-build-distclean.commands = \
+        $$QMAKE_DEL_TREE $$shell_quote($$shell_path($$OUT_PWD/android-build))
+    QMAKE_EXTRA_TARGETS *= android-build-distclean
+    CLEAN_DEPS += android-build-distclean
 }
--- a/mkspecs/features/android/android_deployment_settings.prf
+++ b/mkspecs/features/android/android_deployment_settings.prf
@ -17,32 +17,21 @@ contains(TEMPLATE, ".*app"):!build_pass:!android-embedded {
    isEmpty(NDK_ROOT): NDK_ROOT = $$DEFAULT_ANDROID_NDK_ROOT
    FILE_CONTENT += "   \"ndk\": $$emitString($$NDK_ROOT),"

-    equals(ANDROID_USE_LLVM, true) {
-        FILE_CONTENT += "   \"toolchain-prefix\": \"llvm\","
-        FILE_CONTENT += "   \"tool-prefix\": \"llvm\","
-    } else {
-        NDK_TOOLCHAIN_PREFIX = $$(ANDROID_NDK_TOOLCHAIN_PREFIX)
-        isEmpty(NDK_TOOLCHAIN_PREFIX) {
-            equals(ANDROID_TARGET_ARCH, x86): NDK_TOOLCHAIN_PREFIX = x86
-            else: equals(ANDROID_TARGET_ARCH, x86_64): NDK_TOOLCHAIN_PREFIX = x86_64
-            else: equals(ANDROID_TARGET_ARCH, arm64-v8a): NDK_TOOLCHAIN_PREFIX = aarch64-linux-android
-            else: NDK_TOOLCHAIN_PREFIX = arm-linux-androideabi
-        }
-        FILE_CONTENT += "   \"toolchain-prefix\": $$emitString($$NDK_TOOLCHAIN_PREFIX),"
-        FILE_CONTENT += "   \"tool-prefix\": $$emitString($$NDK_TOOLS_PREFIX),"
-    }
-
-    NDK_TOOLCHAIN_VERSION = $$(ANDROID_NDK_TOOLCHAIN_VERSION)
-    isEmpty(NDK_TOOLCHAIN_VERSION): NDK_TOOLCHAIN_VERSION = $$DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION
-    FILE_CONTENT += "   \"toolchain-version\": $$emitString($$NDK_TOOLCHAIN_VERSION),"
+    FILE_CONTENT += "   \"toolchain-prefix\": \"llvm\","
+    FILE_CONTENT += "   \"tool-prefix\": \"llvm\","

    NDK_HOST = $$(ANDROID_NDK_HOST)
    isEmpty(NDK_HOST): NDK_HOST = $$DEFAULT_ANDROID_NDK_HOST
    FILE_CONTENT += "   \"ndk-host\": $$emitString($$NDK_HOST),"

-    ANDROID_TARGET_ARCH = $$(ANDROID_TARGET_ARCH)
-    isEmpty(ANDROID_TARGET_ARCH): ANDROID_TARGET_ARCH = $$DEFAULT_ANDROID_TARGET_ARCH
-    FILE_CONTENT += "   \"target-architecture\": $$emitString($$ANDROID_TARGET_ARCH),"
+    for (arch, ANDROID_ABIS) {
+        equals(arch, x86): libs_arch = i686-linux-android
+        else: equals(arch, x86_64): libs_arch = x86_64-linux-android
+        else: equals(arch, arm64-v8a): libs_arch = aarch64-linux-android
+        else: libs_arch = arm-linux-androideabi
+        ARCHS += "$$emitString($$arch):$$emitString($$libs_arch)"
+    }
+    FILE_CONTENT += "   \"architectures\": {$$join(ARCHS,", ")},"

    # Explicitly set qt dependencies of application for deployment
    !isEmpty(ANDROID_DEPLOYMENT_DEPENDENCIES): \
@ -74,13 +63,11 @@ contains(TEMPLATE, ".*app"):!build_pass:!android-embedded {
        QML_ROOT_PATH = $$_PRO_FILE_PWD_
    FILE_CONTENT += "   \"qml-root-path\": $$emitString($$QML_ROOT_PATH),"
    FILE_CONTENT += "   \"stdcpp-path\": $$emitString($$ANDROID_STDCPP_PATH),"
-    FILE_CONTENT += "   \"useLLVM\": $$ANDROID_USE_LLVM,"
-
-    FILE_CONTENT += "   \"application-binary\": $$emitString($$absolute_path($$DESTDIR, $$OUT_PWD)/$$TARGET)"
+    FILE_CONTENT += ""
+    FILE_CONTENT += "   \"application-binary\": $$emitString($$TARGET)"
    FILE_CONTENT += "}"

    isEmpty(ANDROID_DEPLOYMENT_SETTINGS_FILE): ANDROID_DEPLOYMENT_SETTINGS_FILE = $$OUT_PWD/android-$$TARGET-deployment-settings.json

    write_file($$ANDROID_DEPLOYMENT_SETTINGS_FILE, FILE_CONTENT)|error()
 }
-
--- a/mkspecs/features/android/default_pre.prf
+++ b/mkspecs/features/android/default_pre.prf
@ -0,0 +1,77 @@
+load(default_pre)
+
+build_pass:armeabi-v7a {
+    QT_ARCH = armeabi-v7a
+} else:build_pass:arm64-v8a {
+    QT_ARCH = arm64-v8a
+} else:build_pass:x86 {
+    QT_ARCH = x86
+} else:build_pass:x86_64 {
+    QT_ARCH = x86_64
+} else {
+    # default architecture
+    QT_ARCH = arm64-v8a
+}
+
+DEFAULT_ANDROID_TARGET_ARCH=$${QT_ARCH}
+
+ANDROID_TARGET_ARCH = $$(ANDROID_TARGET_ARCH)
+isEmpty(ANDROID_TARGET_ARCH): ANDROID_TARGET_ARCH = $$DEFAULT_ANDROID_TARGET_ARCH
+
+# Follow https://android.googlesource.com/platform/ndk/+/ndk-release-r20/docs/BuildSystemMaintainers.md
+
+equals(ANDROID_TARGET_ARCH, armeabi-v7a): \
+    QMAKE_CFLAGS = -target armv7a-linux-androideabi$$replace(ANDROID_PLATFORM, "android-", "")
+else: equals(ANDROID_TARGET_ARCH, arm64-v8a): \
+    QMAKE_CFLAGS = -target aarch64-linux-android$$replace(ANDROID_PLATFORM, "android-", "")
+else: equals(ANDROID_TARGET_ARCH, x86): \
+    QMAKE_CFLAGS = -target i686-linux-android$$replace(ANDROID_PLATFORM, "android-", "") -mstackrealign
+else: equals(ANDROID_TARGET_ARCH, x86_64): \
+    QMAKE_CFLAGS = -target x86_64-linux-android$$replace(ANDROID_PLATFORM, "android-", "")
+
+QMAKE_CFLAGS += -fno-limit-debug-info
+
+QMAKE_LINK    = $$QMAKE_CXX $$QMAKE_CFLAGS
+
+ANDROID_STDCPP_PATH = $$NDK_LLVM_PATH/sysroot/usr/lib/
+
+# -fstack-protector-strong offers good protection against stack smashing attacks.
+# It is (currently) enabled only on Android because we know for sure that Android compilers supports it
+QMAKE_CFLAGS += -fPIC -fstack-protector-strong -DANDROID
+
+
+equals(ANDROID_TARGET_ARCH, armeabi-v7a) | equals(ANDROID_TARGET_ARCH, armeabi) {
+    CONFIG               += optimize_size
+    QMAKE_CFLAGS_DEBUG    = -g -marm -O0
+    QMAKE_CFLAGS_RELEASE += -mthumb
+    QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO += -mthumb
+}
+
+QMAKE_CXXFLAGS_RELEASE_WITH_DEBUGINFO = $$QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO
+
+QMAKE_CXXFLAGS          = $$QMAKE_CFLAGS
+QMAKE_CXXFLAGS_WARN_ON  = $$QMAKE_CFLAGS_WARN_ON
+QMAKE_CXXFLAGS_WARN_OFF = $$QMAKE_CFLAGS_WARN_OFF
+QMAKE_CXXFLAGS_RELEASE  = $$QMAKE_CFLAGS_RELEASE
+QMAKE_CXXFLAGS_DEBUG    = $$QMAKE_CFLAGS_DEBUG
+QMAKE_CXXFLAGS_SHLIB    = $$QMAKE_CFLAGS_SHLIB
+QMAKE_CXXFLAGS_YACC     = $$QMAKE_CFLAGS_YACC
+QMAKE_CXXFLAGS_THREAD   = $$QMAKE_CFLAGS_THREAD
+
+QMAKE_LIBS_EGL          = -lEGL
+QMAKE_LIBS_OPENGL_ES2   = -lGLESv2
+
+QMAKE_STRIP             =
+#$${CROSS_COMPILE}strip
+
+
+equals(QT_ARCH, x86): CROSS_COMPILE = $$NDK_LLVM_PATH/bin/i686-linux-android-
+else: equals(QT_ARCH, x86_64): CROSS_COMPILE = $$NDK_LLVM_PATH/bin/x86_64-linux-android-
+else: equals(QT_ARCH, arm64-v8a): CROSS_COMPILE = $$NDK_LLVM_PATH/bin/aarch64-linux-android-
+else: CROSS_COMPILE = $$NDK_LLVM_PATH/bin/arm-linux-androideabi-
+
+QMAKE_RANLIB            = $${CROSS_COMPILE}ranlib
+QMAKE_LINK_SHLIB        = $$QMAKE_LINK
+QMAKE_LFLAGS            =
+
+QMAKE_LIBS_PRIVATE      = -llog -lz -lm -ldl -lc
--- a/mkspecs/features/android/resolve_config.prf
+++ b/mkspecs/features/android/resolve_config.prf
@ -0,0 +1,10 @@
+load(resolve_config)
+
+!equals(TEMPLATE, aux):!host_build:!single_arch:!java:android {
+    isEmpty(ANDROID_ABIS): ANDROID_ABIS = $$ALL_ANDROID_ABIS
+
+    ALL_ABIS = $$join(ANDROID_ABIS, _and_)
+    CONFIG += $$ALL_ABIS build_all
+    addExclusiveBuildsProper($$ALL_ABIS, $$ANDROID_ABIS)
+    unset(ALL_ABIS)
+}
--- a/mkspecs/features/create_cmake.prf
+++ b/mkspecs/features/create_cmake.prf
@ -138,8 +138,8 @@ CMAKE_RELEASE_TYPE =
 #   the debug libraries at build time.

 equals(QMAKE_HOST.os, Windows): CMAKE_BIN_SUFFIX = ".exe"
-if(build_all|CONFIG(debug, debug|release)): CMAKE_DEBUG_TYPE = debug
-if(build_all|CONFIG(release, debug|release)): CMAKE_RELEASE_TYPE = release
+if(debug_and_release:build_all)|CONFIG(debug, debug|release): CMAKE_DEBUG_TYPE = debug
+if(debug_and_release:build_all)|CONFIG(release, debug|release): CMAKE_RELEASE_TYPE = release

 # CMAKE_DEBUG_AND_RELEASE is used to tell the _populate_$${CMAKE_MODULE_NAME}_target_properties
 # functions whether a Configuration specific generator expression needs to be added to the values
@ -153,67 +153,109 @@ if(build_all|CONFIG(release, debug|release)): CMAKE_RELEASE_TYPE = release
 # <CONFIG> equivalent to the value  specified by CMAKE_BUILD_TYPE.
 # This means that when Qt was built in a Release configuration, and the application in a Debug
 # configuration, IMPORTED_LOCATION_RELEASE will be used for the Qt libraries.
-debug_and_release {
+#
+# Note that we need to check for the "debug_and_release" feature, and not the CONFIG value, because
+# the CONFIG value is always set to true on Windows in msvc-desktop.conf disregarding whether the
+# configure line specified just -debug or just -release.
+# This also means that if a user configures and builds Qt with -release, and then calls nmake debug
+# to build debug libraries of Qt, the generated CMake file won't know about debug libraries,
+# and will always link against the release libraries.
+qtConfig(debug_and_release) {
    CMAKE_DEBUG_AND_RELEASE = TRUE
 } else {
    CMAKE_DEBUG_AND_RELEASE = FALSE
 }

 contains(CONFIG, plugin) {
-    !isEmpty(PLUGIN_EXTENDS):!equals(PLUGIN_EXTENDS, -) {
-        count(PLUGIN_EXTENDS, 1, greaterThan): \
-            error("Plugin declares to extend multiple modules. We don't handle that ...")
-        PLUGIN_MODULE_NAME = $$PLUGIN_EXTENDS
+    equals(PLUGIN_EXTENDS, -) {
+        CMAKE_PLUGIN_EXTENDS = -
    } else {
-        PLUGIN_MODULE_NAME =
-        for (mod, QT_MODULES) {
-            contains(QT.$${mod}.plugin_types, $$PLUGIN_TYPE) {
-                !isEmpty(PLUGIN_MODULE_NAME): \
-                    error("Multiple modules claim plugin type '$$PLUGIN_TYPE' ($$mod, in addition to $$PLUGIN_MODULE_NAME)")
-                PLUGIN_MODULE_NAME = $$mod
-                break()
-            }
+        list_plugin_extends =
+        for (p, PLUGIN_EXTENDS) {
+            m = $$cmakeModuleName($$p)
+            list_plugin_extends += Qt5::$$m
        }
-        isEmpty(PLUGIN_MODULE_NAME): error("No module claims plugin type '$$PLUGIN_TYPE'")
+        CMAKE_PLUGIN_EXTENDS = $$join(list_plugin_extends, ";")
    }

+    PLUGIN_MODULE_NAME =
+    unique_qt_modules = $$unique(QT_MODULES)   # In case modules appear in multiple places
+    for (mod, unique_qt_modules) {
+        contains(QT.$${mod}.plugin_types, $$PLUGIN_TYPE) {
+            !isEmpty(PLUGIN_MODULE_NAME): \
+                error("Multiple modules claim plugin type '$$PLUGIN_TYPE' ($$mod, in addition to $$PLUGIN_MODULE_NAME)")
+            PLUGIN_MODULE_NAME = $$mod
+        }
+    }
+    isEmpty(PLUGIN_MODULE_NAME): error("No module claims plugin type '$$PLUGIN_TYPE'")
+
+    sorted_deps = $$sort_depends(QT_PLUGIN.$${CMAKE_QT_STEM}.DEPENDS, QT.)
+    mod_deps =
+    lib_deps =
+    aux_mod_deps =
+    aux_lib_deps =
+    for (dep, sorted_deps) {
+        cdep = $$cmakeModuleName($$dep)
+        mod_deps += $$cdep
+        lib_deps += Qt5::$$cdep
+    }
+    CMAKE_PLUGIN_MODULE_DEPS = $$join(mod_deps, ";")
+    CMAKE_PLUGIN_QT5_MODULE_DEPS = $$join(lib_deps, ";")
+
    CMAKE_MODULE_NAME = $$cmakeModuleName($$PLUGIN_MODULE_NAME)

    CMAKE_PLUGIN_NAME = $$PLUGIN_CLASS_NAME
+    CMAKE_PLUGIN_TYPE = $$PLUGIN_TYPE
+    CMAKE_PLUGIN_TYPE_ESCAPED = $$replace(PLUGIN_TYPE, [-/], _)

    win32 {
        isEmpty(CMAKE_STATIC_TYPE) {
-            CMAKE_PLUGIN_LOCATION_RELEASE = $$PLUGIN_TYPE/$${TARGET}.dll
-            CMAKE_PLUGIN_LOCATION_DEBUG = $$PLUGIN_TYPE/$${TARGET}d.dll
+            CMAKE_PLUGIN_LOCATION_RELEASE = $$PLUGIN_TYPE/$${CMAKE_QT_STEM}.dll
+            CMAKE_PLUGIN_LOCATION_DEBUG = $$PLUGIN_TYPE/$${CMAKE_QT_STEM}d.dll
+            CMAKE_PRL_FILE_LOCATION_RELEASE = $$PLUGIN_TYPE/$${CMAKE_QT_STEM}.prl
+            CMAKE_PRL_FILE_LOCATION_DEBUG = $$PLUGIN_TYPE/$${CMAKE_QT_STEM}d.prl
        } else:mingw {
-            CMAKE_PLUGIN_LOCATION_RELEASE = $$PLUGIN_TYPE/lib$${TARGET}.a
-            CMAKE_PLUGIN_LOCATION_DEBUG = $$PLUGIN_TYPE/lib$${TARGET}d.a
+            CMAKE_PLUGIN_LOCATION_RELEASE = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}.a
+            CMAKE_PLUGIN_LOCATION_DEBUG = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}d.a
+            CMAKE_PRL_FILE_LOCATION_RELEASE = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}.prl
+            CMAKE_PRL_FILE_LOCATION_DEBUG = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}d.prl
        } else {                         # MSVC static
-            CMAKE_PLUGIN_LOCATION_RELEASE = $$PLUGIN_TYPE/$${TARGET}.lib
-            CMAKE_PLUGIN_LOCATION_DEBUG = $$PLUGIN_TYPE/$${TARGET}d.lib
+            CMAKE_PLUGIN_LOCATION_RELEASE = $$PLUGIN_TYPE/$${CMAKE_QT_STEM}.lib
+            CMAKE_PLUGIN_LOCATION_DEBUG = $$PLUGIN_TYPE/$${CMAKE_QT_STEM}d.lib
+            CMAKE_PRL_FILE_LOCATION_RELEASE = $$PLUGIN_TYPE/$${CMAKE_QT_STEM}.prl
+            CMAKE_PRL_FILE_LOCATION_DEBUG = $$PLUGIN_TYPE/$${CMAKE_QT_STEM}d.prl
        }
    } else {
        mac {
-            isEmpty(CMAKE_STATIC_TYPE): CMAKE_PlUGIN_EXT = .dylib
-            else: CMAKE_PlUGIN_EXT = .a
+            isEmpty(CMAKE_STATIC_TYPE): CMAKE_PLUGIN_EXT = .dylib
+            else: CMAKE_PLUGIN_EXT = .a

-            CMAKE_PLUGIN_LOCATION_RELEASE = $$PLUGIN_TYPE/lib$${TARGET}$${CMAKE_PlUGIN_EXT}
-            CMAKE_PLUGIN_LOCATION_DEBUG = $$PLUGIN_TYPE/lib$${TARGET}$${CMAKE_PlUGIN_EXT}
+            CMAKE_PLUGIN_LOCATION_RELEASE = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}$${CMAKE_PLUGIN_EXT}
+            CMAKE_PLUGIN_LOCATION_DEBUG = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}_debug$${CMAKE_PLUGIN_EXT}
+            CMAKE_PRL_FILE_LOCATION_RELEASE = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}.prl
+            CMAKE_PRL_FILE_LOCATION_DEBUG = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}_debug.prl
        } else {
-            isEmpty(CMAKE_STATIC_TYPE): CMAKE_PlUGIN_EXT = .so
-            else: CMAKE_PlUGIN_EXT = .a
+            isEmpty(CMAKE_STATIC_TYPE): CMAKE_PLUGIN_EXT = .so
+            else: CMAKE_PLUGIN_EXT = .a

-            CMAKE_PLUGIN_LOCATION_RELEASE = $$PLUGIN_TYPE/lib$${TARGET}$${CMAKE_PlUGIN_EXT}
-            CMAKE_PLUGIN_LOCATION_DEBUG = $$PLUGIN_TYPE/lib$${TARGET}$${CMAKE_PlUGIN_EXT}
+            CMAKE_PLUGIN_LOCATION_RELEASE = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}$${CMAKE_PLUGIN_EXT}
+            CMAKE_PLUGIN_LOCATION_DEBUG = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}$${CMAKE_PLUGIN_EXT}
+            CMAKE_PRL_FILE_LOCATION_RELEASE = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}.prl
+            CMAKE_PRL_FILE_LOCATION_DEBUG = $$PLUGIN_TYPE/lib$${CMAKE_QT_STEM}.prl
        }
    }
    cmake_target_file.input = $$PWD/data/cmake/Qt5PluginTarget.cmake.in
    cmake_target_file.output = $$CMAKE_OUT_DIR/Qt5$${CMAKE_MODULE_NAME}/Qt5$${CMAKE_MODULE_NAME}_$${PLUGIN_CLASS_NAME}.cmake
+    cmake_qt5_plugin_import_file.input = $$PWD/data/cmake/Qt5ImportPlugin.cpp.in
+    cmake_qt5_plugin_import_file.output = $$CMAKE_OUT_DIR/Qt5$${CMAKE_MODULE_NAME}/Qt5$${CMAKE_MODULE_NAME}_$${PLUGIN_CLASS_NAME}_Import.cpp

-    !build_pass:QMAKE_SUBSTITUTES += \
-      cmake_target_file
+    !build_pass {
+        QMAKE_SUBSTITUTES += cmake_target_file
+        static|staticlib: QMAKE_SUBSTITUTES += cmake_qt5_plugin_import_file
+    }

    cmake_qt5_plugin_file.files = $$cmake_target_file.output
+    static|staticlib: cmake_qt5_plugin_file.files += $$cmake_qt5_plugin_import_file.output
    cmake_qt5_plugin_file.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
    INSTALLS += cmake_qt5_plugin_file

@ -244,6 +286,7 @@ CMAKE_MODULE_DEPS = $$join(mod_deps, ";")
 CMAKE_QT5_MODULE_DEPS = $$join(lib_deps, ";")
 CMAKE_INTERFACE_MODULE_DEPS = $$join(aux_mod_deps, ";")
 CMAKE_INTERFACE_QT5_MODULE_DEPS = $$join(aux_lib_deps, ";")
+CMAKE_MODULE_PLUGIN_TYPES = $$join(QT.$${MODULE}.plugin_types, ";")

 mac {
    !isEmpty(CMAKE_STATIC_TYPE) {
--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
@ -317,6 +317,22 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
    list(REMOVE_DUPLICATES Qt5$${CMAKE_MODULE_NAME}_EXECUTABLE_COMPILE_FLAGS)
 !!ENDIF // TEMPLATE != aux

+    # It can happen that the same FooConfig.cmake file is included when calling find_package()
+    # on some Qt component. An example of that is when using a Qt static build with auto inclusion
+    # of plugins:
+    #
+    # Qt5WidgetsConfig.cmake -> Qt5GuiConfig.cmake -> Qt5Gui_QSvgIconPlugin.cmake ->
+    # Qt5SvgConfig.cmake -> Qt5WidgetsConfig.cmake ->
+    # finish processing of second Qt5WidgetsConfig.cmake ->
+    # return to first Qt5WidgetsConfig.cmake ->
+    # add_library cannot create imported target "Qt5::Widgets".
+    #
+    # Make sure to return early in the original Config inclusion, because the target has already
+    # been defined as part of the second inclusion.
+    if(TARGET Qt5::$${CMAKE_MODULE_NAME})
+        return()
+    endif()
+
    set(_Qt5$${CMAKE_MODULE_NAME}_LIB_DEPENDENCIES \"$${CMAKE_QT5_MODULE_DEPS}\")

 !!IF !isEmpty(CMAKE_INTERFACE_QT5_MODULE_DEPS)
@ -381,6 +397,8 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
    set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} PROPERTY INTERFACE_QT_ENABLED_FEATURES $$join(QT.$${MODULE}.enabled_features, ";"))
    set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} PROPERTY INTERFACE_QT_DISABLED_FEATURES $$join(QT.$${MODULE}.disabled_features, ";"))

+    set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} PROPERTY INTERFACE_QT_PLUGIN_TYPES \"$${CMAKE_MODULE_PLUGIN_TYPES}\")
+
    set(_Qt5$${CMAKE_MODULE_NAME}_PRIVATE_DIRS_EXIST TRUE)
    foreach (_Qt5$${CMAKE_MODULE_NAME}_PRIVATE_DIR ${Qt5$${CMAKE_MODULE_NAME}_OWN_PRIVATE_INCLUDE_DIRS})
        if (NOT EXISTS ${_Qt5$${CMAKE_MODULE_NAME}_PRIVATE_DIR})
@ -488,7 +506,8 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})

    file(GLOB pluginTargets \"${CMAKE_CURRENT_LIST_DIR}/Qt5$${CMAKE_MODULE_NAME}_*Plugin.cmake\")

-    macro(_populate_$${CMAKE_MODULE_NAME}_plugin_properties Plugin Configuration PLUGIN_LOCATION)
+    macro(_populate_$${CMAKE_MODULE_NAME}_plugin_properties Plugin Configuration PLUGIN_LOCATION
+          IsDebugAndRelease)
        set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})

 !!IF isEmpty(CMAKE_PLUGIN_DIR_IS_ABSOLUTE)
@ -500,6 +519,36 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
        set_target_properties(Qt5::${Plugin} PROPERTIES
            \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
        )
+
+!!IF !isEmpty(CMAKE_STATIC_TYPE)
+        set(_static_deps
+            ${_Qt5${Plugin}_STATIC_${Configuration}_LIB_DEPENDENCIES}
+        )
+
+        if(NOT "${IsDebugAndRelease}")
+            set(_genex_condition \"1\")
+        else()
+            if("${Configuration}" STREQUAL "DEBUG")
+                set(_genex_condition \"$<CONFIG:Debug>\")
+            else()
+                set(_genex_condition \"$<NOT:$<CONFIG:Debug>>\")
+            endif()
+        endif()
+        if(_static_deps)
+            set(_static_deps_genex \"$<${_genex_condition}:${_static_deps}>\")
+            set_property(TARGET Qt5::${Plugin} APPEND PROPERTY INTERFACE_LINK_LIBRARIES
+                         \"${_static_deps_genex}\"
+            )
+        endif()
+
+        set(_static_link_flags \"${_Qt5${Plugin}_STATIC_${Configuration}_LINK_FLAGS}\")
+        if(NOT CMAKE_VERSION VERSION_LESS \"3.13\" AND _static_link_flags)
+            set(_static_link_flags_genex \"$<${_genex_condition}:${_static_link_flags}>\")
+            set_property(TARGET Qt5::${Plugin} APPEND PROPERTY INTERFACE_LINK_OPTIONS
+                \"${_static_link_flags_genex}\"
+            )
+        endif()
+!!ENDIF
    endmacro()

    if (pluginTargets)
--- a/mkspecs/features/data/cmake/Qt5ImportPlugin.cpp.in
+++ b/mkspecs/features/data/cmake/Qt5ImportPlugin.cpp.in
@ -0,0 +1,2 @@
+#include <QtPlugin>
+Q_IMPORT_PLUGIN($$CMAKE_PLUGIN_NAME)
--- a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+++ b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
@ -1,11 +1,102 @@

 add_library(Qt5::$$CMAKE_PLUGIN_NAME MODULE IMPORTED)

+!!IF !isEmpty(CMAKE_STATIC_TYPE)
+set(_Qt5$${CMAKE_PLUGIN_NAME}_MODULE_DEPENDENCIES \"$${CMAKE_PLUGIN_MODULE_DEPS}\")
+
+foreach(_module_dep ${_Qt5$${CMAKE_PLUGIN_NAME}_MODULE_DEPENDENCIES})
+    if(NOT Qt5${_module_dep}_FOUND)
+        find_package(Qt5${_module_dep}
+            $$VERSION ${_Qt5$${CMAKE_MODULE_NAME}_FIND_VERSION_EXACT}
+            ${_Qt5$${CMAKE_MODULE_NAME}_DEPENDENCIES_FIND_QUIET}
+            ${_Qt5$${CMAKE_MODULE_NAME}_FIND_DEPENDENCIES_REQUIRED}
+            PATHS \"${CMAKE_CURRENT_LIST_DIR}/..\" NO_DEFAULT_PATH
+        )
+    endif()
+endforeach()
+
 !!IF !isEmpty(CMAKE_RELEASE_TYPE)
-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_LOCATION_RELEASE}\")
+!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+_qt5_$${CMAKE_MODULE_NAME}_process_prl_file(
+    \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_PLUGIN_DIR}$${CMAKE_PRL_FILE_LOCATION_RELEASE}\" RELEASE
+    _Qt5$${CMAKE_PLUGIN_NAME}_STATIC_RELEASE_LIB_DEPENDENCIES
+    _Qt5$${CMAKE_PLUGIN_NAME}_STATIC_RELEASE_LINK_FLAGS
+)
+!!ELSE
+_qt5_$${CMAKE_MODULE_NAME}_process_prl_file(
+    \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PRL_FILE_LOCATION_RELEASE}\" RELEASE
+    _Qt5$${CMAKE_PLUGIN_NAME}_STATIC_RELEASE_LIB_DEPENDENCIES
+    _Qt5$${CMAKE_PLUGIN_NAME}_STATIC_RELEASE_LINK_FLAGS
+)
+!!ENDIF
+!!ENDIF
+
+!!IF !isEmpty(CMAKE_DEBUG_TYPE)
+!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+_qt5_$${CMAKE_MODULE_NAME}_process_prl_file(
+    \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_PLUGIN_DIR}$${CMAKE_PRL_FILE_LOCATION_DEBUG}\" DEBUG
+    _Qt5$${CMAKE_PLUGIN_NAME}_STATIC_DEBUG_LIB_DEPENDENCIES
+    _Qt5$${CMAKE_PLUGIN_NAME}_STATIC_DEBUG_LINK_FLAGS
+)
+!!ELSE
+_qt5_$${CMAKE_MODULE_NAME}_process_prl_file(
+    \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PRL_FILE_LOCATION_DEBUG}\" DEBUG
+    _Qt5$${CMAKE_PLUGIN_NAME}_STATIC_DEBUG_LIB_DEPENDENCIES
+    _Qt5$${CMAKE_PLUGIN_NAME}_STATIC_DEBUG_LINK_FLAGS
+)
+!!ENDIF
+!!ENDIF
+
+set_property(TARGET Qt5::$$CMAKE_PLUGIN_NAME PROPERTY INTERFACE_SOURCES
+    \"${CMAKE_CURRENT_LIST_DIR}/Qt5$${CMAKE_MODULE_NAME}_$${CMAKE_PLUGIN_NAME}_Import.cpp\"
+)
+!!ENDIF
+
+!!IF !isEmpty(CMAKE_RELEASE_TYPE)
+_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_LOCATION_RELEASE}\" $${CMAKE_DEBUG_AND_RELEASE})
 !!ENDIF
 !!IF !isEmpty(CMAKE_DEBUG_TYPE)
-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_LOCATION_DEBUG}\")
+_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_LOCATION_DEBUG}\" $${CMAKE_DEBUG_AND_RELEASE})
 !!ENDIF

 list(APPEND Qt5$${CMAKE_MODULE_NAME}_PLUGINS Qt5::$$CMAKE_PLUGIN_NAME)
+set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} APPEND PROPERTY QT_ALL_PLUGINS_$${CMAKE_PLUGIN_TYPE_ESCAPED} Qt5::$${CMAKE_PLUGIN_NAME})
+!!IF !isEmpty(CMAKE_STATIC_TYPE)
+# $<GENEX_EVAL:...> wasn\'t added until CMake 3.12, so put a version guard around it
+if(CMAKE_VERSION VERSION_LESS \"3.12\")
+    set(_manual_plugins_genex \"$<TARGET_PROPERTY:QT_PLUGINS>\")
+    set(_plugin_type_genex \"$<TARGET_PROPERTY:QT_PLUGINS_$${CMAKE_PLUGIN_TYPE_ESCAPED}>\")
+    set(_no_plugins_genex \"$<TARGET_PROPERTY:QT_NO_PLUGINS>\")
+else()
+    set(_manual_plugins_genex \"$<GENEX_EVAL:$<TARGET_PROPERTY:QT_PLUGINS>>\")
+    set(_plugin_type_genex \"$<GENEX_EVAL:$<TARGET_PROPERTY:QT_PLUGINS_$${CMAKE_PLUGIN_TYPE_ESCAPED}>>\")
+    set(_no_plugins_genex \"$<GENEX_EVAL:$<TARGET_PROPERTY:QT_NO_PLUGINS>>\")
+endif()
+set(_user_specified_genex
+    \"$<IN_LIST:Qt5::$$CMAKE_PLUGIN_NAME,${_manual_plugins_genex};${_plugin_type_genex}>\"
+)
+string(CONCAT _plugin_genex
+    \"$<$<OR:\"
+        # Add this plugin if it\'s in the list of manual plugins or plugins for the type
+        \"${_user_specified_genex},\"
+        # Add this plugin if the list of plugins for the type is empty, the PLUGIN_EXTENDS
+        # is either empty or equal to the module name, and the user hasn\'t blacklisted it
+        \"$<AND:\"
+            \"$<STREQUAL:${_plugin_type_genex},>,\"
+            \"$<OR:\"
+                \"$<STREQUAL:$<TARGET_PROPERTY:Qt5::$${CMAKE_PLUGIN_NAME},QT_PLUGIN_EXTENDS>,Qt5::$${CMAKE_MODULE_NAME}>,\"
+                \"$<STREQUAL:$<TARGET_PROPERTY:Qt5::$${CMAKE_PLUGIN_NAME},QT_PLUGIN_EXTENDS>,>\"
+            \">,\"
+            \"$<NOT:$<IN_LIST:Qt5::$${CMAKE_PLUGIN_NAME},${_no_plugins_genex}>>\"
+        \">\"
+    \">:Qt5::$$CMAKE_PLUGIN_NAME>\"
+)
+set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} APPEND PROPERTY INTERFACE_LINK_LIBRARIES
+    ${_plugin_genex}
+)
+set_property(TARGET Qt5::$${CMAKE_PLUGIN_NAME} APPEND PROPERTY INTERFACE_LINK_LIBRARIES
+    \"$${CMAKE_PLUGIN_QT5_MODULE_DEPS}\"
+)
+!!ENDIF
+set_property(TARGET Qt5::$${CMAKE_PLUGIN_NAME} PROPERTY QT_PLUGIN_TYPE \"$$CMAKE_PLUGIN_TYPE\")
+set_property(TARGET Qt5::$${CMAKE_PLUGIN_NAME} PROPERTY QT_PLUGIN_EXTENDS \"$$CMAKE_PLUGIN_EXTENDS\")
--- a/mkspecs/features/exclusive_builds_post.prf
+++ b/mkspecs/features/exclusive_builds_post.prf
@ -1,4 +1,6 @@

+load(qt_functions)
+
 contains(TEMPLATE, subdirs) {
    for(build, QMAKE_EXCLUSIVE_BUILDS) {
        prepareRecursiveTarget($$build)
--- a/mkspecs/features/mac/default_post.prf
+++ b/mkspecs/features/mac/default_post.prf
@ -1,5 +1,9 @@
 load(default_post)

+# Recompute SDK version in case the user set it explicitly
+sdk_version = $$QMAKE_MAC_SDK_VERSION
+QMAKE_MAC_SDK_VERSION = $$xcodeSDKInfo(SDKVersion)
+
 contains(TEMPLATE, .*app) {
    !macx-xcode:if(isEmpty(BUILDS)|build_pass) {
        # Detect changes to the platform SDK
@ -14,7 +18,7 @@ contains(TEMPLATE, .*app) {

    !versionAtLeast(QMAKE_MAC_SDK_VERSION, $$QT_MAC_SDK_VERSION_MIN): \
        warning("Qt requires at least version $$QT_MAC_SDK_VERSION_MIN of the platform SDK," \
-              "you're using $${QMAKE_MAC_SDK_VERSION}. Please upgrade.")
+              "you're building against version $${QMAKE_MAC_SDK_VERSION}. Please upgrade.")

    !isEmpty(QT_MAC_SDK_VERSION_MAX) {
        # For Qt developers only
@ -244,6 +248,11 @@ macx-xcode {
    QMAKE_PCH_OUTPUT_EXT = _${QMAKE_PCH_ARCH}$${QMAKE_PCH_OUTPUT_EXT}
 }

+!equals(sdk_version, $$QMAKE_MAC_SDK_VERSION) {
+    # Explicit SDK version has been set, respect that
+    QMAKE_LFLAGS += -Wl,-sdk_version -Wl,$$sdk_version
+}
+
 cache(QMAKE_XCODE_DEVELOPER_PATH, stash)
 !isEmpty(QMAKE_XCODE_VERSION): \
    cache(QMAKE_XCODE_VERSION, stash)
@ -261,7 +270,7 @@ xcode_product_bundle_identifier_setting.value = "$${xcode_product_bundle_identif
 QMAKE_MAC_XCODE_SETTINGS += xcode_product_bundle_identifier_setting

 !macx-xcode {
-    generate_xcode_project.commands = @$(QMAKE) -spec macx-xcode $(EXPORT__PRO_FILE_)
+    generate_xcode_project.commands = @$(QMAKE) -spec macx-xcode $(EXPORT__PRO_FILE_) $$QMAKE_ARGS
    generate_xcode_project.target = xcodeproj
    QMAKE_EXTRA_VARIABLES += _PRO_FILE_
    QMAKE_EXTRA_TARGETS += generate_xcode_project
--- a/mkspecs/features/qmake_use.prf
+++ b/mkspecs/features/qmake_use.prf
@ -22,7 +22,11 @@ for(ever) {
        !defined(QMAKE_LIBS_$$nu, var): \
            error("Library '$$lower($$replace(nu, _, -))' is not defined.")

-        debug: \
+        android {
+            ABI_LIBS = $$eval(QMAKE_LIBS_$${nu}_$${QT_ARCH})
+            isEmpty(ABI_LIBS): ABI_LIBS = $$eval(QMAKE_LIBS_$${nu})
+            LIBS$${suffix} += $$ABI_LIBS
+        } else: debug: \
            LIBS$${suffix} += $$eval(QMAKE_LIBS_$${nu}_DEBUG) $$eval(QMAKE_LIBS_$$nu)
        else: \
            LIBS$${suffix} += $$eval(QMAKE_LIBS_$${nu}_RELEASE) $$eval(QMAKE_LIBS_$$nu)
--- a/mkspecs/features/qml_module.prf
+++ b/mkspecs/features/qml_module.prf
@ -52,15 +52,26 @@ builtin_resources {
 qmldir.base = $$qmldir_path
 qmldir.files = $$qmldir_file
 qmldir.path = $$[QT_INSTALL_QML]/$$TARGETPATH
-INSTALLS += qmldir

 qmlfiles.base = $$_PRO_FILE_PWD_
 qmlfiles.files = $$fq_aux_qml_files
 install_qml_files: qmlfiles.files += $$fq_qml_files
 qmlfiles.path = $${qmldir.path}
-INSTALLS += qmlfiles

-!debug_and_release|!build_all|CONFIG(release, debug|release) {
+INSTALL_QML_FILES = false
+
+android {
+    build_pass {
+        isEmpty(ANDROID_ABIS): ANDROID_ABIS = $$ALL_ANDROID_ABIS
+        ABI = $$first(ANDROID_ABIS)
+        equals(ABI,  $$QT_ARCH): INSTALL_QML_FILES = true
+    }
+} else: !debug_and_release|!build_all|CONFIG(release, debug|release): INSTALL_QML_FILES = true
+
+equals(INSTALL_QML_FILES, true) {
+    INSTALLS += qmldir
+    INSTALLS += qmlfiles
+
    !prefix_build {
        COPIES += qmldir qmlfiles
    } else {
--- a/mkspecs/features/qt_android_deps.prf
+++ b/mkspecs/features/qt_android_deps.prf
@ -16,7 +16,7 @@
 ANDROID_DEPENDS_DIR = $$MODULE_BASE_OUTDIR/lib/
 DEPENDENCY_FILE = $$ANDROID_DEPENDS_DIR$$TARGET-android-dependencies.xml

-!build_pass {
+build_pass:!isEmpty(QT_ARCH): {
    !isEmpty(MODULE_PLUGIN_TYPES) {
        for(PLUGIN_TYPE, MODULE_PLUGIN_TYPES) {
            ANDROID_BUNDLED_FILES += "plugins/$$PLUGIN_TYPE"
@ -46,6 +46,8 @@ DEPENDENCY_FILE = $$ANDROID_DEPENDS_DIR$$TARGET-android-dependencies.xml
            EXTENDS = $$section(LIB_FILE, ":", 1, 1)
            !isEmpty(EXTENDS): EXTENDS = "extends=\"$$EXTENDS\""
            LIB_FILE = $$section(LIB_FILE, ":", 0, 0)
+            LIB_FILE = $$replace(LIB_FILE,".so", "_$${QT_ARCH}.so")
+            !isEmpty(EXTENDS): EXTENDS = $$replace(EXTENDS,".so", "_$${QT_ARCH}.so")
            FILE_CONTENT += "<lib file=\"$$LIB_FILE\" $$EXTENDS />"
        }
    }
@ -54,12 +56,14 @@ DEPENDENCY_FILE = $$ANDROID_DEPENDS_DIR$$TARGET-android-dependencies.xml
        for(REPLACEMENT, ANDROID_LIB_DEPENDENCY_REPLACEMENTS) {
            REPLACEMENT_FILE = $$section(REPLACEMENT, ":", 0, 0)
            LIB_FILE = $$section(REPLACEMENT, ":", 1, 1)
+            REPLACEMENT_FILE = $$replace(REPLACEMENT_FILE,".so", "_$${QT_ARCH}.so")
            FILE_CONTENT += "<lib file=\"$$LIB_FILE\" replaces=\"$$REPLACEMENT_FILE\" />"
        }
    }

    !isEmpty(ANDROID_BUNDLED_FILES) {
        for (BUNDLED_FILE, ANDROID_BUNDLED_FILES) {
+            BUNDLED_FILE = $$replace(BUNDLED_FILE,".so", "_$${QT_ARCH}.so")
            FILE_CONTENT += "<bundled file=\"$$BUNDLED_FILE\" />"
        }
    }
--- a/mkspecs/features/qt_build_config.prf
+++ b/mkspecs/features/qt_build_config.prf
@ -108,6 +108,10 @@ macos: CONFIG += testcase_no_bundle
 # Override MinGW's definition in _mingw.h
 mingw: DEFINES += WINVER=0x0601 _WIN32_WINNT=0x0601

+# By default, the following features should not be used in Qt's own
+# implementation, so declare them invisible to Qt modules.
+DEFINES += QT_NO_LINKED_LIST # QLinkedList
+
 defineTest(qtBuildPart) {
    bp = $$eval($$upper($$section(_QMAKE_CONF_, /, -2, -2))_BUILD_PARTS)
    isEmpty(bp): bp = $$QT_BUILD_PARTS
--- a/mkspecs/features/qt_configure.prf
+++ b/mkspecs/features/qt_configure.prf
@ -560,7 +560,7 @@ defineTest(qtConfResolveLibs) {
            } else {
                paths += $$lp
            }
-        } else: contains(l, "^-l.*") {
+        } else: !android: contains(l, "^-l.*") {
            lib = $$replace(l, "^-l", )
            lcan =
            integrity:contains(lib, "^.*\\.a") {
@ -1905,8 +1905,11 @@ defineTest(qtConfCreateReportRecurse) {
        entry = $${1}.$$n
        subKeys = $$eval($${entry}._KEYS_)
        contains(subKeys, condition) {
-            condition = $$eval($${entry}.condition)
-            r = $$qtConfEvaluate($$condition)
+            r = true
+            for (condition, $$qtConfScalarOrList($${entry}.condition)) {
+                r = $$qtConfEvaluate($$condition)
+                !$$r: break()
+            }
            !qtConfIsBoolean($$r): \
                error("Evaluation of condition '$$condition' in report entry $${entry} yielded non-boolean value '$$r'.")
            !$$r: next()
--- a/mkspecs/features/qt_functions.prf
+++ b/mkspecs/features/qt_functions.prf
@ -1,7 +1,8 @@

 defineReplace(qtPlatformTargetSuffix) {
    suffix =
-    CONFIG(debug, debug|release) {
+    android: return($${suffix}_$${QT_ARCH})
+    else: CONFIG(debug, debug|release) {
        !debug_and_release|build_pass {
            mac: return($${suffix}_debug)
            win32: return($${suffix}d)
--- a/mkspecs/features/qt_helper_lib.prf
+++ b/mkspecs/features/qt_helper_lib.prf
@ -29,19 +29,19 @@ DLLDESTDIR = $$MODULE_BASE_OUTDIR/bin

 THE_TARGET = $$qt5LibraryTarget($$TARGET)

-!build_pass {
-    MODULE = $$replace(TARGET, ^qt, )
-    MODULE ~= s,-,_,
-    MODULE_PRI = $$MODULE_QMAKE_OUTDIR/mkspecs/modules/qt_ext_$${MODULE}.pri
-    ucmodule = $$upper($$MODULE)
+MODULE = $$replace(TARGET, ^qt, )
+MODULE ~= s,-,_,
+MODULE_PRI = $$MODULE_QMAKE_OUTDIR/mkspecs/modules/qt_ext_$${MODULE}.pri
+ucmodule = $$upper($$MODULE)
+win32|CONFIG(static, static|shared) {
+    prefix = $$QMAKE_PREFIX_STATICLIB
+    suffix = $$QMAKE_EXTENSION_STATICLIB
+} else {
+    prefix = $$QMAKE_PREFIX_SHLIB
+    suffix = $$QMAKE_EXTENSION_SHLIB
+}

-    win32|CONFIG(static, static|shared) {
-        prefix = $$QMAKE_PREFIX_STATICLIB
-        suffix = $$QMAKE_EXTENSION_STATICLIB
-    } else {
-        prefix = $$QMAKE_PREFIX_SHLIB
-        suffix = $$QMAKE_EXTENSION_SHLIB
-    }
+!build_pass {
    CC_USES =
    LD_USES =
    for (use, QMAKE_USE) {
@ -58,7 +58,9 @@ THE_TARGET = $$qt5LibraryTarget($$TARGET)
        "QMAKE_DEPENDS_$${ucmodule}_LD =$$join(LD_USES, " ", " ")" \
        "QMAKE_INCDIR_$${ucmodule} = $$val_escape(MODULE_INCLUDEPATH)" \
        "QMAKE_DEFINES_$${ucmodule} = $$val_escape(MODULE_DEFINES)"
-    debug_and_release {
+    android {
+        MODULE_PRI_CONT += "QMAKE_LIBS_$${ucmodule} ="
+    } else: debug_and_release {
        win32: \
            MODULE_DEBUG_LIBS = $$DESTDIR/$$prefix$${TARGET}d.$$suffix
        else: darwin: \
@ -76,6 +78,11 @@ THE_TARGET = $$qt5LibraryTarget($$TARGET)
            "QMAKE_LIBS_$${ucmodule} = $$val_escape(MODULE_LIBS)"
    }
    write_file($$MODULE_PRI, MODULE_PRI_CONT)|error()
+} else: android {
+    ABI_TARGET = $$qt5LibraryTarget($$TARGET)
+    ABI_MODULE_LIBS = $$DESTDIR/$$prefix$${ABI_TARGET}.$$suffix
+    MODULE_PRI_CONT = "QMAKE_LIBS_$${ucmodule}_$${QT_ARCH} = $$val_escape(ABI_MODULE_LIBS)"
+    write_file($$MODULE_PRI, MODULE_PRI_CONT, append)|error()
 }

 TARGET = $$THE_TARGET
--- a/mkspecs/features/qt_module.prf
+++ b/mkspecs/features/qt_module.prf
@ -93,7 +93,7 @@ header_module {
 DESTDIR          = $$MODULE_BASE_OUTDIR/lib
 DLLDESTDIR       = $$MODULE_BASE_OUTDIR/bin

-CONFIG          += qmake_cache target_qt
+CONFIG          += target_qt

 QMAKE_DOCS_TARGETDIR = qt$${MODULE}

--- a/mkspecs/features/qt_module_pris.prf
+++ b/mkspecs/features/qt_module_pris.prf
@ -51,13 +51,12 @@ defineReplace(qtGetExportsForModule) {
    return($$result)
 }

-defineReplace(qtExportLibsForModule) {
+defineReplace(qtExportDepsForModule) {
    result =
    for (lib, QT.$${1}.libraries) {
        NAME = $$upper($$lib)
        vars = \
            QMAKE_DEPENDS_$${NAME}_CC QMAKE_DEPENDS_$${NAME}_LD \
-            QMAKE_LIBS_$$NAME QMAKE_LIBS_$${NAME}_DEBUG QMAKE_LIBS_$${NAME}_RELEASE \
            QMAKE_DEFINES_$$NAME QMAKE_INCDIR_$$NAME
        for (var, vars) {
            expvar = $$var
@ -71,6 +70,24 @@ defineReplace(qtExportLibsForModule) {
    return($$result)
 }

+defineReplace(qtExportLibsForModule) {
+    result =
+    for (lib, QT.$${1}.libraries) {
+        NAME = $$upper($$lib)
+        vars = \
+            QMAKE_LIBS_$$NAME QMAKE_LIBS_$${NAME}_DEBUG QMAKE_LIBS_$${NAME}_RELEASE
+        for (var, vars) {
+            expvar = $$var
+            expvar ~= s/^QMAKE_/QMAKE_EXPORT_/
+            defined($$expvar, var):equals($$expvar, -): next()
+            !defined($$expvar, var): expvar = $$var
+            defined($$expvar, var): \
+                result += "$$var$${2} = $$val_escape($$expvar)"
+        }
+    }
+    return($$result)
+}
+
 !build_pass {

    # Create a module .pri file
@ -160,6 +177,7 @@ defineReplace(qtExportLibsForModule) {
            "QT.$${MODULE}_private.module_config =$$join(module_build_type, " ", " ")" \
            $$qtGetFeaturesForModule($${MODULE}_private) \
            "" \
+            $$qtExportDepsForModule($${MODULE}_private) \
            $$qtExportLibsForModule($${MODULE}_private)
        write_file($$MODULE_PRIVATE_PRI, MODULE_PRIVATE_PRI_CONT)|error()
    }
@ -220,7 +238,10 @@ defineReplace(qtExportLibsForModule) {
    }
    cache(QT_MODULES, transient)

-} # !build_pass
+} else:android:!no_private_module:!internal_module {
+    MODULE_PRIVATE_PRI_CONT = $$qtExportLibsForModule($${MODULE}_private, _$${QT_ARCH})
+    write_file($$MODULE_PRIVATE_PRI, MODULE_PRIVATE_PRI_CONT, append)|error()
+}

 # Schedule the regular .pri file for installation
 CONFIG += qt_install_module
--- a/mkspecs/wasm-emscripten/qmake.conf
+++ b/mkspecs/wasm-emscripten/qmake.conf
@ -14,6 +14,8 @@ load(device_config)
    QMAKE_CFLAGS += -s WASM_OBJECT_FILES=$$WASM_OBJECT_FILES
    QMAKE_CXXFLAGS += -s WASM_OBJECT_FILES=$$WASM_OBJECT_FILES
    QMAKE_LFLAGS += -s WASM_OBJECT_FILES=$$WASM_OBJECT_FILES
+} else {
+    EMCC_COMMON_LFLAGS +=  -s \"BINARYEN_TRAP_MODE=\'clamp\'\"
 }

 EMTERP_FLAGS = \
@ -29,8 +31,7 @@ EMCC_COMMON_LFLAGS = \
    -s USE_WEBGL2=1 \
    -s NO_EXIT_RUNTIME=0 \
    -s ERROR_ON_UNDEFINED_SYMBOLS=1 \
-    --bind \
-    -s \"BINARYEN_TRAP_MODE=\'clamp\'\"
+    --bind

 # The -s arguments can also be used with release builds,
 # but are here in debug for clarity.
--- a/mkspecs/win32-clang-msvc/qmake.conf
+++ b/mkspecs/win32-clang-msvc/qmake.conf
@ -39,6 +39,11 @@ QMAKE_CXXFLAGS         += -Wno-microsoft-enum-value
 QMAKE_LINK              = lld-link
 QMAKE_LIB               = llvm-lib /NOLOGO

+QMAKE_CXXFLAGS_CXX11    = -std:c++11
+QMAKE_CXXFLAGS_CXX14    = -std:c++14
+QMAKE_CXXFLAGS_CXX1Z    = -std:c++17
+QMAKE_CXXFLAGS_CXX2A    = -std:c++latest
+
 QMAKE_CFLAGS_LTCG       = -flto=thin
 QMAKE_CXXFLAGS_LTCG     = $$QMAKE_CFLAGS_LTCG
 QMAKE_CFLAGS_LTCG_FATOBJECTS = -flto
@ -49,6 +54,4 @@ QMAKE_LFLAGS_LTCG       =
 QMAKE_CFLAGS_OPTIMIZE_SIZE = /clang:-Oz
 QMAKE_CFLAGS_OPTIMIZE_FULL = /clang:-O3

-QMAKE_LFLAGS_RELEASE   += /OPT:REF,ICF,LBR
-
 load(qt_config)
--- a/qmake/Makefile.unix
+++ b/qmake/Makefile.unix
@ -28,6 +28,7 @@ QOBJS = \
 	qmetatype.o qsystemerror.o qvariant.o \
 	quuid.o \
 	qarraydata.o qbitarray.o qbytearray.o qbytearraymatcher.o \
+	qcalendar.o qgregoriancalendar.o qromancalendar.o \
 	qcryptographichash.o qdatetime.o qhash.o qlist.o \
 	qlocale.o qlocale_tools.o qmap.o qregexp.o qringbuffer.o \
 	qstringbuilder.o qstring.o qstringlist.o qversionnumber.o \
@ -114,7 +115,10 @@ DEPEND_SRC = \
 	   $(SOURCE_PATH)/src/corelib/text/qstring.cpp \
 	   $(SOURCE_PATH)/src/corelib/text/qstringlist.cpp \
 	   $(SOURCE_PATH)/src/corelib/text/qvsnprintf.cpp \
+	   $(SOURCE_PATH)/src/corelib/time/qcalendar.cpp \
 	   $(SOURCE_PATH)/src/corelib/time/qdatetime.cpp \
+	   $(SOURCE_PATH)/src/corelib/time/qgregoriancalendar.cpp \
+	   $(SOURCE_PATH)/src/corelib/time/qromancalendar.cpp \
 	   $(SOURCE_PATH)/src/corelib/tools/qarraydata.cpp \
 	   $(SOURCE_PATH)/src/corelib/tools/qbitarray.cpp \
 	   $(SOURCE_PATH)/src/corelib/tools/qcryptographichash.cpp \
@ -428,6 +432,15 @@ qfileinfo.o: $(SOURCE_PATH)/src/corelib/io/qfileinfo.cpp
 qdatetime.o: $(SOURCE_PATH)/src/corelib/time/qdatetime.cpp
 	$(CXX) -c -o $@ $(CXXFLAGS) $<

+qcalendar.o: $(SOURCE_PATH)/src/corelib/time/qcalendar.cpp
+	$(CXX) -c -o $@ $(CXXFLAGS) $<
+
+qgregoriancalendar.o: $(SOURCE_PATH)/src/corelib/time/qgregoriancalendar.cpp
+	$(CXX) -c -o $@ $(CXXFLAGS) $<
+
+qromancalendar.o: $(SOURCE_PATH)/src/corelib/time/qromancalendar.cpp
+	$(CXX) -c -o $@ $(CXXFLAGS) $<
+
 qstringlist.o: $(SOURCE_PATH)/src/corelib/text/qstringlist.cpp
 	$(CXX) -c -o $@ $(CXXFLAGS) $<

--- a/qmake/Makefile.win32
+++ b/qmake/Makefile.win32
@ -71,6 +71,7 @@ QTOBJS= \
 	qbytearray.obj \
 	qvsnprintf.obj \
 	qbytearraymatcher.obj \
+	qcalendar.obj \
 	qdatetime.obj \
 	qdir.obj \
 	qdiriterator.obj \
@ -83,6 +84,7 @@ QTOBJS= \
 	qfileinfo.obj \
 	qendian.obj \
 	qglobal.obj \
+	qgregoriancalendar.obj \
 	qhash.obj \
 	qiodevice.obj \
 	qringbuffer.obj \
@ -97,6 +99,7 @@ QTOBJS= \
 	qoperatingsystemversion.obj \
 	qoperatingsystemversion_win.obj \
 	qregexp.obj \
+	qromancalendar.obj \
 	qutfcodec.obj \
 	qstring.obj \
 	qstringlist.obj \
--- a/qmake/doc/src/qmake-manual.qdoc
+++ b/qmake/doc/src/qmake-manual.qdoc
@ -2583,10 +2583,8 @@

    \section1 RC_FILE

-    Specifies the name of the resource file for the application.
-    The value of this variable is typically handled by
-    qmake or \l{#QMAKESPEC}{qmake.conf} and rarely
-    needs to be modified.
+    Windows only. Specifies the name of the Windows resource file (.rc) for the
+    target. See \l{Adding Windows Resource Files}.

    \target RC_CODEPAGE
    \section1 RC_CODEPAGE
@ -2649,7 +2647,9 @@

    \section1 RES_FILE

-    Specifies the name of the compiled Windows resource file for the target.
+    Windows only. Specifies the name of the Windows resource compiler's output
+    file for this target. See \l{RC_FILE} and \l{Adding Windows Resource Files}.
+
    The value of this variable is typically handled by
    qmake or \l{#QMAKESPEC}{qmake.conf} and rarely
    needs to be modified.
--- a/qmake/generators/makefile.cpp
+++ b/qmake/generators/makefile.cpp
@ -764,27 +764,13 @@ MakefileGenerator::init()
        ProStringList incDirs = v["DEPENDPATH"] + v["QMAKE_ABSOLUTE_SOURCE_PATH"];
        if(project->isActiveConfig("depend_includepath"))
            incDirs += v["INCLUDEPATH"];
-        QList<QMakeLocalFileName> deplist;
+        QVector<QMakeLocalFileName> deplist;
        deplist.reserve(incDirs.size());
        for (ProStringList::Iterator it = incDirs.begin(); it != incDirs.end(); ++it)
            deplist.append(QMakeLocalFileName((*it).toQString()));
        QMakeSourceFileInfo::setDependencyPaths(deplist);
        debug_msg(1, "Dependency Directories: %s",
                  incDirs.join(QString(" :: ")).toLatin1().constData());
-        //cache info
-        if(project->isActiveConfig("qmake_cache")) {
-            QString cache_file;
-            if(!project->isEmpty("QMAKE_INTERNAL_CACHE_FILE")) {
-                cache_file = QDir::fromNativeSeparators(project->first("QMAKE_INTERNAL_CACHE_FILE").toQString());
-            } else {
-                cache_file = ".qmake.internal.cache";
-                if(project->isActiveConfig("build_pass"))
-                    cache_file += ".BUILD." + project->first("BUILD_PASS");
-            }
-            if(cache_file.indexOf('/') == -1)
-                cache_file.prepend(Option::output_dir + '/');
-            QMakeSourceFileInfo::setCacheFile(cache_file);
-        }

        //add to dependency engine
        for(x = 0; x < compilers.count(); ++x) {
@ -1839,7 +1825,7 @@ static QStringList splitDeps(const QString &indeps, bool lineMode)

 QString MakefileGenerator::resolveDependency(const QDir &outDir, const QString &file)
 {
-    const QList<QMakeLocalFileName> &depdirs = QMakeSourceFileInfo::dependencyPaths();
+    const QVector<QMakeLocalFileName> &depdirs = QMakeSourceFileInfo::dependencyPaths();
    for (const auto &depdir : depdirs) {
        const QString &local = depdir.local();
        QString lf = outDir.absoluteFilePath(local + '/' + file);
@ -3105,7 +3091,7 @@ MakefileGenerator::findFileForDep(const QMakeLocalFileName &dep, const QMakeLoca

        if(Option::output_dir != qmake_getpwd()
           && QDir::isRelativePath(dep.real())) { //is it from the shadow tree
-            QList<QMakeLocalFileName> depdirs = QMakeSourceFileInfo::dependencyPaths();
+            QVector<QMakeLocalFileName> depdirs = QMakeSourceFileInfo::dependencyPaths();
            depdirs.prepend(fileInfo(file.real()).absoluteDir().path());
            QString pwd = qmake_getpwd();
            if(pwd.at(pwd.length()-1) != '/')
@ -3456,4 +3442,13 @@ QString MakefileGenerator::shellQuote(const QString &str)
    return isWindowsShell() ? IoUtils::shellQuoteWin(str) : IoUtils::shellQuoteUnix(str);
 }

+/*
+ * Returns the name of the variable that contains the fully resolved target
+ * (including DESTDIR) of this generator.
+ */
+ProKey MakefileGenerator::fullTargetVariable() const
+{
+    return "TARGET";
+}
+
 QT_END_NAMESPACE
--- a/qmake/generators/makefile.h
+++ b/qmake/generators/makefile.h
@ -276,6 +276,7 @@ public:
    virtual bool openOutput(QFile &, const QString &build) const;
    bool isWindowsShell() const { return Option::dir_sep == QLatin1String("\\"); }
    QString shellQuote(const QString &str);
+    virtual ProKey fullTargetVariable() const;
 };
 Q_DECLARE_TYPEINFO(MakefileGenerator::Compiler, Q_MOVABLE_TYPE);
 Q_DECLARE_OPERATORS_FOR_FLAGS(MakefileGenerator::FileFixifyTypes)
--- a/qmake/generators/makefiledeps.cpp
+++ b/qmake/generators/makefiledeps.cpp
@ -60,21 +60,14 @@ QT_BEGIN_NAMESPACE
 inline bool qmake_endOfLine(const char &c) { return (c == '\r' || c == '\n'); }
 #endif

-//#define QMAKE_USE_CACHE
-
-QMakeLocalFileName::QMakeLocalFileName(const QString &name) : is_null(name.isNull())
+QMakeLocalFileName::QMakeLocalFileName(const QString &name)
+    : real_name(name)
 {
-    if(!name.isEmpty()) {
-        if(name.at(0) == QLatin1Char('"') && name.at(name.length()-2) == QLatin1Char('"'))
-            real_name = name.mid(1, name.length()-2);
-        else
-            real_name = name;
-    }
 }
 const QString
 &QMakeLocalFileName::local() const
 {
-    if(!is_null && local_name.isNull())
+    if (!isNull() && local_name.isNull())
        local_name = Option::normalizePath(real_name);
    return local_name;
 }
@ -199,10 +192,10 @@ void QMakeSourceFileInfo::dependTreeWalker(SourceFile *node, SourceDependChildre
    }
 }

-void QMakeSourceFileInfo::setDependencyPaths(const QList<QMakeLocalFileName> &l)
+void QMakeSourceFileInfo::setDependencyPaths(const QVector<QMakeLocalFileName> &l)
 {
    // Ensure that depdirs does not contain the same paths several times, to minimize the stats
-    QList<QMakeLocalFileName> ll;
+    QVector<QMakeLocalFileName> ll;
    for (int i = 0; i < l.count(); ++i) {
        if (!ll.contains(l.at(i)))
            ll.append(l.at(i));
@ -265,19 +258,10 @@ QMakeSourceFileInfo::QMakeSourceFileInfo(const QString &cf)
    //buffer
    spare_buffer = nullptr;
    spare_buffer_size = 0;
-
-    //cache
-    cachefile = cf;
-    if(!cachefile.isEmpty())
-        loadCache(cachefile);
 }

 QMakeSourceFileInfo::~QMakeSourceFileInfo()
 {
-    //cache
-    if(!cachefile.isEmpty() /*&& files_changed*/)
-        saveCache(cachefile);
-
    //buffer
    if(spare_buffer) {
        free(spare_buffer);
@ -290,12 +274,6 @@ QMakeSourceFileInfo::~QMakeSourceFileInfo()
    delete includes;
 }

-void QMakeSourceFileInfo::setCacheFile(const QString &cf)
-{
-    cachefile = cf;
-    loadCache(cachefile);
-}
-
 void QMakeSourceFileInfo::addSourceFiles(const ProStringList &l, uchar seek,
                                         QMakeSourceFileInfo::SourceFileType type)
 {
@ -853,8 +831,8 @@ bool QMakeSourceFileInfo::findDeps(SourceFile *file)
                        }
                    }
                    if(!exists) { //path lookup
-                        for(QList<QMakeLocalFileName>::Iterator it = depdirs.begin(); it != depdirs.end(); ++it) {
-                            QMakeLocalFileName f((*it).real() + Option::dir_sep + lfn.real());
+                        for (const QMakeLocalFileName &depdir : qAsConst(depdirs)) {
+                            QMakeLocalFileName f(depdir.real() + Option::dir_sep + lfn.real());
                            QFileInfo fi(findFileInfo(f));
                            if(fi.exists() && !fi.isDir()) {
                                lfn = fixPathForFile(f);
@ -1054,151 +1032,4 @@ bool QMakeSourceFileInfo::findMocs(SourceFile *file)
    return true;
 }

-
-void QMakeSourceFileInfo::saveCache(const QString &cf)
-{
-#ifdef QMAKE_USE_CACHE
-    if(cf.isEmpty())
-        return;
-
-    QFile file(QMakeLocalFileName(cf).local());
-    if(file.open(QIODevice::WriteOnly)) {
-        QTextStream stream(&file);
-        stream << QMAKE_VERSION_STR << endl << endl; //version
-        { //cache verification
-            QMap<QString, QStringList> verify = getCacheVerification();
-             stream << verify.count() << endl;
-             for(QMap<QString, QStringList>::iterator it = verify.begin();
-                 it != verify.end(); ++it) {
-                 stream << it.key() << endl << it.value().join(';') << endl;
-             }
-             stream << endl;
-        }
-        if(files->nodes) {
-            for(int file = 0; file < files->num_nodes; ++file) {
-                for(SourceFiles::SourceFileNode *node = files->nodes[file]; node; node = node->next) {
-                    stream << node->file->file.local() << endl; //source
-                    stream << node->file->type << endl; //type
-
-                    //depends
-                    stream << ";";
-                    if(node->file->deps) {
-                        for(int depend = 0; depend < node->file->deps->used_nodes; ++depend) {
-                            if(depend)
-                                stream << ";";
-                            stream << node->file->deps->children[depend]->file.local();
-                        }
-                    }
-                    stream << endl;
-
-                    stream << node->file->mocable << endl; //mocable
-                    stream << endl; //just for human readability
-                }
-            }
-        }
-        stream.flush();
-        file.close();
-    }
-#else
-    Q_UNUSED(cf);
-#endif
-}
-
-void QMakeSourceFileInfo::loadCache(const QString &cf)
-{
-    if(cf.isEmpty())
-        return;
-
-#ifdef QMAKE_USE_CACHE
-    QMakeLocalFileName cache_file(cf);
-    int fd = open(QMakeLocalFileName(cf).local().toLatin1(), O_RDONLY);
-    if(fd == -1)
-        return;
-    QFileInfo cache_fi = findFileInfo(cache_file);
-    if(!cache_fi.exists() || cache_fi.isDir())
-        return;
-
-    QFile file;
-    if (!file.open(fd, QIODevice::ReadOnly))
-        return;
-    QTextStream stream(&file);
-
-    if (stream.readLine() == QMAKE_VERSION_STR) { //version check
-        stream.skipWhiteSpace();
-
-        bool verified = true;
-        { //cache verification
-            QMap<QString, QStringList> verify;
-            int len = stream.readLine().toInt();
-            for(int i = 0; i < len; ++i) {
-                QString var = stream.readLine();
-                QString val = stream.readLine();
-                verify.insert(var, val.split(';', QString::SkipEmptyParts));
-            }
-            verified = verifyCache(verify);
-        }
-        if(verified) {
-            stream.skipWhiteSpace();
-            if(!files)
-                files = new SourceFiles;
-            while(!stream.atEnd()) {
-                QString source = stream.readLine();
-                QString type = stream.readLine();
-                QString depends = stream.readLine();
-                QString mocable = stream.readLine();
-                stream.skipWhiteSpace();
-
-                QMakeLocalFileName fn(source);
-                QFileInfo fi = findFileInfo(fn);
-
-                SourceFile *file = files->lookupFile(fn);
-                if(!file) {
-                    file = new SourceFile;
-                    file->file = fn;
-                    files->addFile(file);
-                    file->type = (SourceFileType)type.toInt();
-                    file->exists = fi.exists();
-                }
-                if(fi.exists() && fi.lastModified() < cache_fi.lastModified()) {
-                    if(!file->dep_checked) { //get depends
-                        if(!file->deps)
-                            file->deps = new SourceDependChildren;
-                        file->dep_checked = true;
-                        QStringList depend_list = depends.split(";", QString::SkipEmptyParts);
-                        for(int depend = 0; depend < depend_list.size(); ++depend) {
-                            QMakeLocalFileName dep_fn(depend_list.at(depend));
-                            QFileInfo dep_fi(findFileInfo(dep_fn));
-                            SourceFile *dep = files->lookupFile(dep_fn);
-                            if(!dep) {
-                                dep = new SourceFile;
-                                dep->file = dep_fn;
-                                dep->exists = dep_fi.exists();
-                                dep->type = QMakeSourceFileInfo::TYPE_UNKNOWN;
-                                files->addFile(dep);
-                            }
-                            dep->included_count++;
-                            file->deps->addChild(dep);
-                        }
-                    }
-                    if(!file->moc_checked) { //get mocs
-                        file->moc_checked = true;
-                        file->mocable = mocable.toInt();
-                    }
-                }
-            }
-        }
-    }
-#endif
-}
-
-QMap<QString, QStringList> QMakeSourceFileInfo::getCacheVerification()
-{
-    return QMap<QString, QStringList>();
-}
-
-bool QMakeSourceFileInfo::verifyCache(const QMap<QString, QStringList> &v)
-{
-    return v == getCacheVerification();
-}
-
 QT_END_NAMESPACE
--- a/qmake/generators/makefiledeps.h
+++ b/qmake/generators/makefiledeps.h
@ -33,6 +33,7 @@

 #include <qstringlist.h>
 #include <qfileinfo.h>
+#include <qvector.h>

 QT_BEGIN_NAMESPACE

@ -40,13 +41,14 @@ struct SourceFile;
 struct SourceDependChildren;
 class SourceFiles;

-class QMakeLocalFileName {
-    bool is_null;
-    mutable QString real_name, local_name;
+class QMakeLocalFileName
+{
+    QString real_name;
+    mutable QString local_name;
 public:
-    QMakeLocalFileName() : is_null(true) {}
+    QMakeLocalFileName() = default;
    QMakeLocalFileName(const QString &);
-    bool isNull() const { return is_null; }
+    bool isNull() const { return real_name.isNull(); }
    inline const QString &real() const { return real_name; }
    const QString &local() const;

@ -64,7 +66,7 @@ private:
    //quick project lookups
    SourceFiles *files, *includes;
    bool files_changed;
-    QList<QMakeLocalFileName> depdirs;
+    QVector<QMakeLocalFileName> depdirs;
    QStringList systemIncludes;

    //sleezy buffer code
@ -77,9 +79,6 @@ private:
    bool findDeps(SourceFile *);
    void dependTreeWalker(SourceFile *, SourceDependChildren *);

-    //cache
-    QString cachefile;
-
 protected:
    virtual QMakeLocalFileName fixPathForFile(const QMakeLocalFileName &, bool forOpen=false);
    virtual QMakeLocalFileName findFileForDep(const QMakeLocalFileName &, const QMakeLocalFileName &);
@ -90,8 +89,8 @@ public:
    QMakeSourceFileInfo(const QString &cachefile="");
    virtual ~QMakeSourceFileInfo();

-    QList<QMakeLocalFileName> dependencyPaths() const { return depdirs; }
-    void setDependencyPaths(const QList<QMakeLocalFileName> &);
+    QVector<QMakeLocalFileName> dependencyPaths() const { return depdirs; }
+    void setDependencyPaths(const QVector<QMakeLocalFileName> &);

    enum DependencyMode { Recursive, NonRecursive };
    inline void setDependencyMode(DependencyMode mode) { dep_mode = mode; }
@ -112,12 +111,6 @@ public:

    bool mocable(const QString &file);

-    virtual QMap<QString, QStringList> getCacheVerification();
-    virtual bool verifyCache(const QMap<QString, QStringList> &);
-    void setCacheFile(const QString &cachefile); //auto caching
-    void loadCache(const QString &cf);
-    void saveCache(const QString &cf);
-
 private:
    DependencyMode dep_mode;
 };
--- a/qmake/generators/metamakefile.cpp
+++ b/qmake/generators/metamakefile.cpp
@ -33,6 +33,10 @@
 #include "project.h"
 #include "cachekeys.h"

+#include <algorithm>
+#include <iterator>
+#include <utility>
+
 #define BUILDSMETATYPE 1
 #define SUBDIRSMETATYPE 2

@ -58,6 +62,7 @@ private:
    void clearBuilds();
    MakefileGenerator *processBuild(const ProString &);
    void accumulateVariableFromBuilds(const ProKey &name, Build *build) const;
+    void checkForConflictingTargets() const;

 public:

@ -186,6 +191,7 @@ BuildsMetaMakefileGenerator::write()
        if(!build->makefile) {
            ret = false;
        } else if(build == glue) {
+            checkForConflictingTargets();
            accumulateVariableFromBuilds("QMAKE_INTERNAL_INCLUDED_FILES", build);
            ret = build->makefile->writeProjectMakefile();
        } else {
@ -239,6 +245,39 @@ void BuildsMetaMakefileGenerator::accumulateVariableFromBuilds(const ProKey &nam
    values.removeDuplicates();
 }

+void BuildsMetaMakefileGenerator::checkForConflictingTargets() const
+{
+    if (makefiles.count() < 3) {
+        // Checking for conflicts only makes sense if we have more than one BUILD,
+        // and the last entry in makefiles is the "glue" Build.
+        return;
+    }
+    using TargetInfo = std::pair<Build *, ProString>;
+    QVector<TargetInfo> targets;
+    const int last = makefiles.count() - 1;
+    targets.resize(last);
+    for (int i = 0; i < last; ++i) {
+        Build *b = makefiles.at(i);
+        auto mkf = b->makefile;
+        auto prj = mkf->projectFile();
+        targets[i] = std::make_pair(b, prj->first(mkf->fullTargetVariable()));
+    }
+    std::stable_sort(targets.begin(), targets.end(),
+              [](const TargetInfo &lhs, const TargetInfo &rhs)
+              {
+                  return lhs.second < rhs.second;
+              });
+    for (auto prev = targets.begin(), it = std::next(prev); it != targets.end(); ++prev, ++it) {
+        if (prev->second == it->second) {
+            warn_msg(WarnLogic, "Targets of builds '%s' and '%s' conflict: %s.",
+                     qPrintable(prev->first->build),
+                     qPrintable(it->first->build),
+                     qPrintable(prev->second.toQString()));
+            break;
+        }
+    }
+}
+
 class SubdirsMetaMakefileGenerator : public MetaMakefileGenerator
 {
 protected:
--- a/qmake/generators/projectgenerator.cpp
+++ b/qmake/generators/projectgenerator.cpp
@ -215,7 +215,7 @@ ProjectGenerator::init()
    }

    //setup deplist
-    QList<QMakeLocalFileName> deplist;
+    QVector<QMakeLocalFileName> deplist;
    {
        const ProStringList &d = v["DEPENDPATH"];
        for(int i = 0; i < d.size(); ++i)
--- a/qmake/generators/unix/unixmake.cpp
+++ b/qmake/generators/unix/unixmake.cpp
@ -392,7 +392,7 @@ UnixMakefileGenerator::fixLibFlag(const ProString &lib)
 bool
 UnixMakefileGenerator::findLibraries(bool linkPrl, bool mergeLflags)
 {
-    QList<QMakeLocalFileName> libdirs, frameworkdirs;
+    QVector<QMakeLocalFileName> libdirs, frameworkdirs;
    int libidx = 0, fwidx = 0;
    for (const ProString &dlib : project->values("QMAKE_DEFAULT_LIBDIRS"))
        libdirs.append(QMakeLocalFileName(dlib.toQString()));
@ -418,9 +418,8 @@ UnixMakefileGenerator::findLibraries(bool linkPrl, bool mergeLflags)
                    libdirs.insert(libidx++, f);
                } else if(opt.startsWith("-l")) {
                    QString lib = opt.mid(2);
-                    for (QList<QMakeLocalFileName>::Iterator dep_it = libdirs.begin();
-                         dep_it != libdirs.end(); ++dep_it) {
-                        QString libBase = (*dep_it).local() + '/'
+                    for (const QMakeLocalFileName &libdir : qAsConst(libdirs)) {
+                        QString libBase = libdir.local() + '/'
                                + project->first("QMAKE_PREFIX_SHLIB") + lib;
                        if (linkPrl && processPrlFile(libBase, true))
                            goto found;
--- a/qmake/generators/unix/unixmake2.cpp
+++ b/qmake/generators/unix/unixmake2.cpp
@ -1447,7 +1447,36 @@ UnixMakefileGenerator::libtoolFileName(bool fixify)
 void
 UnixMakefileGenerator::writeLibtoolFile()
 {
+    auto fixDependencyLibs
+            = [this](const ProStringList &libs)
+              {
+                  ProStringList result;
+                  for (auto lib : libs) {
+                      auto fi = fileInfo(lib.toQString());
+                      if (fi.isAbsolute()) {
+                          const QString libDirArg = "-L" + fi.path();
+                          if (!result.contains(libDirArg))
+                              result += libDirArg;
+                          QString namespec = fi.fileName();
+                          int dotPos = namespec.lastIndexOf('.');
+                          if (dotPos != -1 && namespec.startsWith("lib")) {
+                              namespec.truncate(dotPos);
+                              namespec.remove(0, 3);
+                          } else {
+                              debug_msg(1, "Ignoring dependency library %s",
+                                        lib.toLatin1().constData());
+                              continue;
+                          }
+                          result += "-l" + namespec;
+                      } else {
+                          result += lib;
+                      }
+                  }
+                  return result;
+              };
+
    QString fname = libtoolFileName(), lname = fname;
+    debug_msg(1, "Writing libtool file %s", fname.toLatin1().constData());
    mkdir(fileInfo(fname).path());
    int slsh = lname.lastIndexOf(Option::dir_sep);
    if(slsh != -1)
@ -1485,12 +1514,11 @@ UnixMakefileGenerator::writeLibtoolFile()
                         << ".a'\n\n";

    t << "# Libraries that this one depends upon.\n";
+    static const ProKey libVars[] = { "LIBS", "QMAKE_LIBS" };
    ProStringList libs;
-    libs << "LIBS" << "QMAKE_LIBS";
-    t << "dependency_libs='";
-    for (ProStringList::ConstIterator it = libs.cbegin(); it != libs.cend(); ++it)
-        t << fixLibFlags((*it).toKey()).join(' ') << ' ';
-    t << "'\n\n";
+    for (auto var : libVars)
+        libs += fixLibFlags(var);
+    t << "dependency_libs='" << fixDependencyLibs(libs).join(' ') << "'\n\n";

    t << "# Version information for " << lname << "\n";
    int maj = project->first("VER_MAJ").toInt();
--- a/qmake/generators/win32/mingw_make.cpp
+++ b/qmake/generators/win32/mingw_make.cpp
@ -342,7 +342,11 @@ void MingwMakefileGenerator::writeRcFilePart(QTextStream &t)
        if (defines.isEmpty())
            defines = ProString(" $(DEFINES)");

-        t << escapeDependencyPath(var("RES_FILE")) << ": " << escapeDependencyPath(rc_file) << "\n\t"
+        addSourceFile(rc_file, QMakeSourceFileInfo::SEEK_DEPS);
+        const QStringList rcDeps = QStringList(rc_file) << dependencies(rc_file);
+
+        t << escapeDependencyPath(var("RES_FILE")) << ": "
+          << escapeDependencyPaths(rcDeps).join(' ') << "\n\t"
          << var("QMAKE_RC") << " -i " << escapeFilePath(rc_file) << " -o " << fileVar("RES_FILE")
          << incPathStr << defines << "\n\n";
    }
--- a/qmake/generators/win32/msbuild_objectmodel.cpp
+++ b/qmake/generators/win32/msbuild_objectmodel.cpp
@ -300,14 +300,17 @@ inline XmlOutput::xml_output valueTagT( const triState v)
    return valueTag(v == _True ? "true" : "false");
 }

-static QString vcxCommandSeparator()
+static QString commandLinesForOutput(QStringList commands)
 {
    // MSBuild puts the contents of the custom commands into a batch file and calls it.
    // As we want every sub-command to be error-checked (as is done by makefile-based
    // backends), we insert the checks ourselves, using the undocumented jump target.
-    static QString cmdSep =
-    QLatin1String("&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;");
-    return cmdSep;
+    static QString errchk = QStringLiteral("if errorlevel 1 goto VCEnd");
+    for (int i = commands.count() - 2; i >= 0; --i) {
+        if (!commands.at(i).startsWith("rem", Qt::CaseInsensitive))
+            commands.insert(i + 1, errchk);
+    }
+    return commands.join('\n');
 }

 static QString unquote(const QString &value)
@ -1658,7 +1661,7 @@ void VCXProjectWriter::write(XmlOutput &xml, const VCCustomBuildTool &tool)
    {
        xml << tag("Command")
            << attrTag("Condition", condition)
-            << valueTag(tool.CommandLine.join(vcxCommandSeparator()));
+            << valueTag(commandLinesForOutput(tool.CommandLine));
    }

    if ( !tool.Description.isEmpty() )
@ -1712,7 +1715,7 @@ void VCXProjectWriter::write(XmlOutput &xml, const VCEventTool &tool)
 {
    xml
        << tag(tool.EventName)
-            << tag(_Command) << valueTag(tool.CommandLine.join(vcxCommandSeparator()))
+            << tag(_Command) << valueTag(commandLinesForOutput(tool.CommandLine))
            << tag(_Message) << valueTag(tool.Description)
        << closetag(tool.EventName);
 }
--- a/qmake/generators/win32/msvc_vcproj.cpp
+++ b/qmake/generators/win32/msvc_vcproj.cpp
@ -209,7 +209,9 @@ bool VcprojGenerator::writeProjectMakefile()

 struct VcsolutionDepend {
    QString uuid;
-    QString vcprojFile, orig_target, target;
+    QString vcprojFile;
+    QString projectName;
+    QString target;
    Target targetType;
    QStringList dependencies;
 };
@ -433,7 +435,8 @@ ProStringList VcprojGenerator::collectDependencies(QMakeProject *proj, QHash<QSt
                    Option::qmake_mode = old_mode;

                    // We assume project filename is [QMAKE_PROJECT_NAME].vcproj
-                    QString vcproj = tmp_vcproj.project->first("QMAKE_PROJECT_NAME") + project->first("VCPROJ_EXTENSION");
+                    const ProString projectName = tmp_vcproj.project->first("QMAKE_PROJECT_NAME");
+                    const QString vcproj = projectName + project->first("VCPROJ_EXTENSION");
                    QString vcprojDir = Option::output_dir;

                    // If file doesn't exsist, then maybe the users configuration
@ -445,14 +448,14 @@ ProStringList VcprojGenerator::collectDependencies(QMakeProject *proj, QHash<QSt

                    VcsolutionDepend *newDep = new VcsolutionDepend;
                    newDep->vcprojFile = vcprojDir + Option::dir_sep + vcproj;
-                    newDep->orig_target = tmp_proj.first("QMAKE_ORIG_TARGET").toQString();
+                    newDep->projectName = projectName.toQString();
                    newDep->target = tmp_proj.first("MSVCPROJ_TARGET").toQString().section(Option::dir_sep, -1);
                    newDep->targetType = tmp_vcproj.projectTarget;
                    newDep->uuid = tmp_proj.isEmpty("QMAKE_UUID") ? getProjectUUID(Option::fixPathToLocalOS(vcprojDir + QDir::separator() + vcproj)).toString().toUpper(): tmp_proj.first("QMAKE_UUID").toQString();
                    // We want to store it as the .lib name.
                    if (newDep->target.endsWith(".dll"))
                        newDep->target = newDep->target.left(newDep->target.length()-3) + "lib";
-                    projGuids.insert(newDep->orig_target, newDep->target);
+                    projGuids.insert(newDep->projectName, newDep->target);

                    if (tmpList.size()) {
                        const ProStringList depends = tmpList;
@ -591,7 +594,7 @@ void VcprojGenerator::writeSubDirs(QTextStream &t)
    for (QList<VcsolutionDepend*>::Iterator it = solution_cleanup.begin(); it != solution_cleanup.end(); ++it) {
        // ### quoting rules?
        t << _slnProjectBeg << _slnMSVCvcprojGUID << _slnProjectMid
-            << "\"" << (*it)->orig_target << "\", \"" << (*it)->vcprojFile
+            << "\"" << (*it)->projectName << "\", \"" << (*it)->vcprojFile
            << "\", \"" << (*it)->uuid << "\"";

        debug_msg(1, "Project %s has dependencies: %s", (*it)->target.toLatin1().constData(), (*it)->dependencies.join(" ").toLatin1().constData());
@ -937,6 +940,15 @@ void VcprojGenerator::initProject()
    vcProject.SccProjectName = project->first("SCCPROJECTNAME").toQString();
    vcProject.SccLocalPath = project->first("SCCLOCALPATH").toQString();
    vcProject.flat_files = project->isActiveConfig("flat");
+
+    // Set up the full target path for target conflict checking.
+    const QChar slash = QLatin1Char('/');
+    QString destdir = QDir::fromNativeSeparators(var("DESTDIR"));
+    if (!destdir.endsWith(slash))
+        destdir.append(slash);
+    project->values("DEST_TARGET") = ProStringList(destdir
+                                                   + project->first("TARGET")
+                                                   + project->first("TARGET_EXT"));
 }

 void VcprojGenerator::initConfiguration()
--- a/qmake/generators/win32/winmakefile.cpp
+++ b/qmake/generators/win32/winmakefile.cpp
@ -79,7 +79,7 @@ Win32MakefileGenerator::findLibraries(bool linkPrl, bool mergeLflags)
    ProStringList impexts = project->values("QMAKE_LIB_EXTENSIONS");
    if (impexts.isEmpty())
        impexts = project->values("QMAKE_EXTENSION_STATICLIB");
-    QList<QMakeLocalFileName> dirs;
+    QVector<QMakeLocalFileName> dirs;
    int libidx = 0;
    for (const ProString &dlib : project->values("QMAKE_DEFAULT_LIBDIRS"))
        dirs.append(QMakeLocalFileName(dlib.toQString()));
@ -104,8 +104,7 @@ Win32MakefileGenerator::findLibraries(bool linkPrl, bool mergeLflags)
            QString lib = arg.toQString();
            ProString verovr =
                    project->first(ProKey("QMAKE_" + lib.toUpper() + "_VERSION_OVERRIDE"));
-            for (QList<QMakeLocalFileName>::Iterator dir_it = dirs.begin();
-                 dir_it != dirs.end(); ++dir_it) {
+            for (auto dir_it = dirs.begin(); dir_it != dirs.end(); ++dir_it) {
                QString cand = (*dir_it).real() + Option::dir_sep + lib;
                if (linkPrl && processPrlFile(cand, true)) {
                    (*it) = cand;
@ -128,8 +127,7 @@ Win32MakefileGenerator::findLibraries(bool linkPrl, bool mergeLflags)
                if (processPrlFile(lib, false))
                    (*it) = lib;
            } else {
-                for (QList<QMakeLocalFileName>::Iterator dir_it = dirs.begin();
-                     dir_it != dirs.end(); ++dir_it) {
+                for (auto dir_it = dirs.begin(); dir_it != dirs.end(); ++dir_it) {
                    QString cand = (*dir_it).real() + Option::dir_sep + lib;
                    if (processPrlFile(cand, false)) {
                        (*it) = cand;
@ -669,6 +667,9 @@ void Win32MakefileGenerator::writeRcFilePart(QTextStream &t)
            incPathStr += escapeFilePath(path);
        }

+        addSourceFile(rc_file, QMakeSourceFileInfo::SEEK_DEPS);
+        const QStringList rcDeps = QStringList(rc_file) << dependencies(rc_file);
+
        // The resource tool may use defines. This might be the same defines passed in as the
        // compiler, since you may use these defines in the .rc file itself.
        // As the escape syntax for the command line defines for RC is different from that for CL,
@ -680,7 +681,8 @@ void Win32MakefileGenerator::writeRcFilePart(QTextStream &t)
        // Also, we need to add the _DEBUG define manually since the compiler defines this symbol
        // by itself, and we use it in the automatically created rc file when VERSION is defined
        // in the .pro file.
-        t << escapeDependencyPath(res_file) << ": " << escapeDependencyPath(rc_file) << "\n\t"
+        t << escapeDependencyPath(res_file) << ": "
+          << escapeDependencyPaths(rcDeps).join(' ') << "\n\t"
          << var("QMAKE_RC") << (project->isActiveConfig("debug") ? " -D_DEBUG" : "")
          << defines << incPathStr << " -fo " << escapeFilePath(res_file)
          << ' ' << escapeFilePath(rc_file);
@ -815,4 +817,9 @@ QString Win32MakefileGenerator::getManifestFileForRcFile() const
    return QString();
 }

+ProKey Win32MakefileGenerator::fullTargetVariable() const
+{
+    return "DEST_TARGET";
+}
+
 QT_END_NAMESPACE
--- a/qmake/generators/win32/winmakefile.h
+++ b/qmake/generators/win32/winmakefile.h
@ -64,6 +64,9 @@ protected:
    void processRcFileVar();
    static QString cQuoted(const QString &str);
    virtual QString getManifestFileForRcFile() const;
+
+public:
+    ProKey fullTargetVariable() const override;
 };

 QT_END_NAMESPACE
--- a/Show More
+++ b/Show More