4 files changed, 5 insertions, 4 deletions
diff --git a/src/gui/graphicsview/qgraphicslinearlayout.cpp b/src/gui/graphicsview/qgraphicslinearlayout.cpp
index 6a9eb29..9722683 100644
--- a/src/gui/graphicsview/qgraphicslinearlayout.cpp
+++ b/src/gui/graphicsview/qgraphicslinearlayout.cpp
@@ -554,6 +554,8 @@ void QGraphicsLinearLayout::dump(int indent) const
                d->orientation == Qt::Horizontal ? "Horizontal" : "Vertical");
         d->engine.dump(indent + 1);
     }
+#else
+    Q_UNUSED(indent);
 #endif
 }
 
diff --git a/src/gui/image/qpixmapfilter.cpp b/src/gui/image/qpixmapfilter.cpp
index 2792e45..0abf51f 100644
--- a/src/gui/image/qpixmapfilter.cpp
+++ b/src/gui/image/qpixmapfilter.cpp
@@ -726,7 +726,7 @@ void expblur(QImage &img, qreal radius, bool improvedQuality = false, int transp
 
     int img_height = img.height();
     for (int row = 0; row < img_height; ++row) {
-        for (int i = 0; i <= improvedQuality; ++i)
+        for (int i = 0; i <= int(improvedQuality); ++i)
             qt_blurrow<aprec, zprec, alphaOnly>(img, row, alpha);
     }
 
@@ -759,7 +759,7 @@ void expblur(QImage &img, qreal radius, bool improvedQuality = false, int transp
 
     img_height = temp.height();
     for (int row = 0; row < img_height; ++row) {
-        for (int i = 0; i <= improvedQuality; ++i)
+        for (int i = 0; i <= int(improvedQuality); ++i)
             qt_blurrow<aprec, zprec, alphaOnly>(temp, row, alpha);
     }
 
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 2f6ec6b..aa5d259 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -5339,7 +5339,6 @@ void QWidgetPrivate::render(QPaintDevice *target, const QPoint &targetOffset,
                             const QRegion &sourceRegion, QWidget::RenderFlags renderFlags,
                             bool readyToRender)
 {
-    Q_Q(QWidget);
     if (!target) {
         qWarning("QWidget::render: null pointer to paint device");
         return;
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 891f4c2..acd286a 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -7813,7 +7813,6 @@ static void qt_blend_color_argb_armv6(int count, const QSpan *spans, void *userD
 
 void qInitDrawhelperAsm()
 {
-    const uint features = qDetectCPUFeatures();
 
     qt_memfill32 = qt_memfill_template<quint32, quint32>;
     qt_memfill16 = qt_memfill_quint16; //qt_memfill_template<quint16, quint16>;
@@ -7822,6 +7821,7 @@ void qInitDrawhelperAsm()
     CompositionFunctionSolid *functionForModeSolidAsm = 0;
 
 #ifdef QT_NO_DEBUG
+    const uint features = qDetectCPUFeatures();
     if (false) {
 #ifdef QT_HAVE_SSE2
     } else if (features & SSE2) {