Merge remote branch 'origin/4.7' into qt-master-from-4.7

Conflicts:
	bin/syncqt
	src/gui/text/qtextlayout.cpp
	tools/assistant/tools/assistant/helpviewer_qwv.cpp
	tools/assistant/tools/assistant/helpviewer_qwv.h
	tools/configure/configureapp.cpp

6 files changed, 89 insertions, 59 deletions

diff --git a/src/corelib/global/qendian.h b/src/corelib/global/qendian.h
index 107854c..d53504a 100644
--- a/src/corelib/global/qendian.h
+++ b/src/corelib/global/qendian.h
@@ -44,6 +44,14 @@
 
 #include <QtCore/qglobal.h>
 
+#ifdef Q_OS_LINUX
+# include <features.h>
+#endif
+
+#ifdef __GLIBC__
+#include <byteswap.h>
+#endif
+
 QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
@@ -264,6 +272,21 @@ template <> inline qint16 qFromBigEndian<qint16>(const uchar *src)
  * and it is therefore a bit more convenient and in most cases more efficient.
 */
 template <typename T> T qbswap(T source);
+
+#ifdef __GLIBC__
+template <> inline quint64 qbswap<quint64>(quint64 source)
+{
+    return bswap_64(source);
+}
+template <> inline quint32 qbswap<quint32>(quint32 source)
+{
+    return bswap_32(source);
+}
+template <> inline quint16 qbswap<quint16>(quint16 source)
+{
+    return bswap_16(source);
+}
+#else
 template <> inline quint64 qbswap<quint64>(quint64 source)
 {
     return 0
@@ -292,6 +315,7 @@ template <> inline quint16 qbswap<quint16>(quint16 source)
                     | ((source & 0x00ff) << 8)
                     | ((source & 0xff00) >> 8) );
 }
+#endif // __GLIBC__
 
 // signed specializations
 template <> inline qint64 qbswap<qint64>(qint64 source)
diff --git a/src/corelib/global/qendian.qdoc b/src/corelib/global/qendian.qdoc
index ea065cb..795ff81 100644
--- a/src/corelib/global/qendian.qdoc
+++ b/src/corelib/global/qendian.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in a
+** written agreement between you and Nokia.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index 373c0b4..b31c83b 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -2503,6 +2503,19 @@ void qFatal(const char *msg, ...)
 
 // getenv is declared as deprecated in VS2005. This function
 // makes use of the new secure getenv function.
+/*!
+    \relates <QtGlobal>
+
+    Returns the value of the environment variable with name \a
+    varName. To get the variable string, use QByteArray::constData().
+
+    \note qgetenv() was introduced because getenv() from the standard
+    C library was deprecated in VC2005 (and later versions). qgetenv()
+    uses the new replacement function in VC, and calls the standard C
+    library's implementation on all other platforms.
+
+    \sa qputenv()
+*/
 QByteArray qgetenv(const char *varName)
 {
 #if defined(_MSC_VER) && _MSC_VER >= 1400
@@ -2522,6 +2535,20 @@ QByteArray qgetenv(const char *varName)
 #endif
 }
 
+/*!
+    \relates <QtGlobal>
+
+    This function sets the \a value of the environment variable named
+    \a varName. It will create the variable if it does not exist. It
+    returns 0 if the variable could not be set.
+
+    \note qputenv() was introduced because putenv() from the standard
+    C library was deprecated in VC2005 (and later versions). qputenv()
+    uses the replacement function in VC, and calls the standard C
+    library's implementation on all other platforms.
+
+    \sa qgetenv()
+*/
 bool qputenv(const char *varName, const QByteArray& value)
 {
 #if defined(_MSC_VER) && _MSC_VER >= 1400
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index 6bcc95b..cc8d1b4 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -412,15 +412,13 @@ namespace QT_NAMESPACE {}
 #  if defined(__INTEL_COMPILER)
 #    define Q_CC_INTEL
 #  endif
-/* x64 does not support mmx intrinsics on windows */
-#  if (defined(Q_OS_WIN64) && defined(_M_X64))
+/* MSVC does not support SSE/MMX on x64 */
+#  if (defined(Q_CC_MSVC) && defined(_M_X64))
 #    undef QT_HAVE_SSE
-#    undef QT_HAVE_SSE2
 #    undef QT_HAVE_MMX
 #    undef QT_HAVE_3DNOW
 #  endif
 
-
 #elif defined(__BORLANDC__) || defined(__TURBOC__)
 #  define Q_CC_BOR
 #  define Q_INLINE_TEMPLATE
diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
index a9c56f6..a12e121 100644
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@@ -1561,7 +1561,8 @@ public:
 
     enum LayoutDirection {
         LeftToRight,
-        RightToLeft
+        RightToLeft,
+        LayoutDirectionAuto
     };
 
     enum AnchorPoint {
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc
index 7eae3a5..d419759 100644
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in a
+** written agreement between you and Nokia.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
@@ -1743,7 +1729,7 @@
     \value Key_MediaLast
     \value Key_unknown
 
-    \value Key_Call     A key to answer or initiate a call (\see Key_ToggleCallHangup for a key to toggle current call state)
+    \value Key_Call     A key to answer or initiate a call (see \l Key_ToggleCallHangup for a key to toggle current call state)
     \value Key_Camera   A key to activate the camera shutter
     \value Key_CameraFocus  A key to focus the camera
     \value Key_Context1
@@ -1751,7 +1737,7 @@
     \value Key_Context3
     \value Key_Context4
     \value Key_Flip
-    \value Key_Hangup   A key to end an ongoing call (\see Key_ToggleCallHangup for a key to toggle current call state)
+    \value Key_Hangup   A key to end an ongoing call (see \l Key_ToggleCallHangup for a key to toggle current call state)
     \value Key_No
     \value Key_Select
     \value Key_Yes
@@ -2572,15 +2558,23 @@
 /*!
     \enum Qt::LayoutDirection
 
-    Specifies the direction of Qt's layouts:
+    Specifies the direction of Qt's layouts and text handling.
 
     \value LeftToRight  Left-to-right layout.
     \value RightToLeft  Right-to-left layout.
+    \value LayoutDirectionAuto   Automatic layout.
 
     Right-to-left layouts are necessary for certain languages,
     notably Arabic and Hebrew.
 
-    \sa QApplication::setLayoutDirection(), QWidget::setLayoutDirection()
+    LayoutDirectionAuto serves two purposes. When used in conjunction with widgets and layouts, it
+    will imply to use the layout direction set on the parent widget or QApplication. This
+    has the same effect as QWidget::unsetLayoutDirection().
+
+    When LayoutDirectoinAuto is used in conjunction with text layouting, it will imply that the text
+    directionality is determined from the content of the string to be layouted.
+
+    \sa QApplication::setLayoutDirection(), QWidget::setLayoutDirection(), QTextOption::setTextDirection(), QString::isRightToLeft()
 */
 
 /*!