Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1:
  Doc: Updated Supported Platforms page. Finished
  New binary of configure.exe with -mp/-no-mp option
  Turn Makefile.win32 into batch-mode, enable /MP and PCH
  Add option to enable -MP compile option for MSVC
  Rewrite ucstrcmp in terms of ucstrncmp
  Reorganise qelapsedtimer_unix.cpp for better inlining performance.
  Update the cpuid code to be better
  Revert "Restore default if to system default on session close."

12 files changed, 223 insertions, 497 deletions

diff --git a/configure.exe b/configure.exe
index 982e038..aba5872 100755
--- a/configure.exe
+++ b/configure.exe
diff --git a/doc/src/platforms/supported-platforms.qdoc b/doc/src/platforms/supported-platforms.qdoc
index bb80ae5..6e9fb3d 100644
--- a/doc/src/platforms/supported-platforms.qdoc
+++ b/doc/src/platforms/supported-platforms.qdoc
@@ -64,18 +64,22 @@
     \row    \o Linux (32 and 64-bit)
                                      \o gcc 4.2
     \row    \o Microsoft Windows XP
-                                     \o gcc 4.4 (MinGW) (32-bit), MSVC 2003, 2005 (32 and 64-bit)
+                                     \o gcc 4.4 (MinGW) (32-bit), MSVC 2005 (32 and 64-bit)
     \row    \o Microsoft Windows Vista
                                      \o MSVC 2005, 2008
     \row    \o Microsoft Windows Vista 64bit
                                      \o MSVC 2008
-    \row    \o Apple Mac OS X 10.5 "Leopard" x86_64 (Carbon, Cocoa 32 and 64bit)
+    \row    \o Microsoft Windows 7
+                                     \o MSVC 2008
+    \row    \o Apple Mac OS X 10.6 "Snow Leopard" 
+                                     \o As provided by Apple
+    \row    \o Apple Mac OS X 10.5 "Leopard" x86_64 (Cocoa 32 and 64bit)
                                      \o As provided by Apple
     \row    \o Embedded Linux QWS (ARM)
                                      \o gcc (\l{http://www.codesourcery.com/}{Codesourcery version)}
     \row    \o Windows CE 5.0 (ARMv4i, x86, MIPS)
                                      \o MSVC 2005 WinCE 5.0 Standard (x86, pocket, smart, mipsii)
-    \row    \o Symbian (Symbian/S60 3.1, 3.2 and 5.0)
+    \row    \o Symbian (Symbian/S60 5.0)
                                      \o RVCT 2.2 [build 686 or later], WINSCW 3.2.5 [build 482 or later], GCCE (for applications)
     \endtable
 
@@ -90,19 +94,15 @@
     \table
     \header \o Platform
                                      \o Compilers
-    \row    \o Windows XP, Vista
-                                     \o gcc 3.4.2 (MinGW)
     \row    \o Windows 7
-                                     \o MSVC 2008
-    \row    \o Apple Mac OS X 10.6 "Snow Leopard"
+                                     \o MSVC 2010
+    \row    \o Apple Mac OS X 10.4 "Tiger" (Carbon)
                                      \o As provided by Apple
-    \row    \o Apple Mac OS X 10.4 "Tiger"
+    \row    \o Apple Mac OS X 10.5 "Leopard" (Carbon)
                                      \o As provided by Apple
-    \row    \o HPUXi 11.11
-                                     \o aCC 3.57, gcc 3.4
     \row    \o HPUXi 11.23
                                      \o aCC 6.10
-    \row    \o Solaris 10 (UltraSparc, x86)
+    \row    \o Solaris 10 UltraSparc
                                      \o Sun Studio 12
     \row    \o AIX 6
                                      \o Power5 xlC 7
@@ -114,8 +114,14 @@
                                      \o gcc (\l{http://www.codesourcery.com/}{Codesourcery version)}
     \row    \o Embedded Linux X11 (ARM)
                                      \o gcc (\l{http://www.scratchbox.org/}{Scratchbox)}
+    \row    \o Windows CE 5.0 (ARMv4i, x86, MIPS)
+                                     \o MSVC 2005 WinCE 5.0 Standard (x86, pocket, smart, mipsii)
     \row    \o Windows CE 6.0 (ARMv4i, x86, MIPS)
                                      \o MSVC 2008 WinCE 6.0 Professional
+    \row    \o Maemo 5(Linux, ARM, X11)
+                                     \o gcc (\l{http://www.scratchbox.org/}{Scratchbox)}
+    \row    \o Symbian (Symbian/S60 3.1, 3.2)
+                                     \o RVCT 2.2 [build 686 or later], WINSCW 3.2.5 [build 482 or later], GCCE (for applications)
     \endtable
 
     \section1 Tier 3 Platforms (Not supported by Nokia)
@@ -142,20 +148,12 @@
     implied warranties of merchantability, fitness for a particular purpose, title and
     non-infringement with regard to the Licensed Software.
     
-    \section1 Planned Changes for Qt 4.7
+    \section1 Planned Changes for Qt 4.8
 
     The following changes to the list of supported platforms are at time of publishing
-    planned for Qt 4.7:
+    planned for Qt 4.8:
 
     \list
-    \o Upgrade Windows 7 to Tier 1
-    \o Upgrade Mac OS X 10.6 to Tier 1
-    \o Add support for Visual Studio 2010 (Tier 2)
-    \o Move support for Carbon implementation of Qt on Mac OS X from Tier 1 to Tier 2
-    \o Drop support for MinGW 3.4
-    \o Drop support for Visual Studio 2003
-    \o Drop support for HP-UX on PA-RISC
-    \o Drop support for Windows Mobile 5
-    \o Drop support for OpenGL ES Common Lite 1.0
+    \o Plans not yet released
     \endlist
 */
diff --git a/mkspecs/features/win32/msvc_mp.prf b/mkspecs/features/win32/msvc_mp.prf
new file mode 100644
index 0000000..d6dea14
--- /dev/null
+++ b/mkspecs/features/win32/msvc_mp.prf
@@ -0,0 +1,2 @@
+QMAKE_CFLAGS += $$QMAKE_CFLAGS_MP
+QMAKE_CXXFLAGS += $$QMAKE_CXXFLAGS_MP
diff --git a/mkspecs/win32-msvc2008/qmake.conf b/mkspecs/win32-msvc2008/qmake.conf
index 9805e90..9a69aaa 100644
--- a/mkspecs/win32-msvc2008/qmake.conf
+++ b/mkspecs/win32-msvc2008/qmake.conf
@@ -23,6 +23,7 @@ QMAKE_CFLAGS_RELEASE    = -O2 -MD
 QMAKE_CFLAGS_DEBUG      = -Zi -MDd
 QMAKE_CFLAGS_YACC       =
 QMAKE_CFLAGS_LTCG       = -GL
+QMAKE_CFLAGS_MP         = -MP
 
 QMAKE_CXX               = $$QMAKE_CC
 QMAKE_CXXFLAGS          = $$QMAKE_CFLAGS
@@ -32,6 +33,7 @@ QMAKE_CXXFLAGS_RELEASE  = $$QMAKE_CFLAGS_RELEASE
 QMAKE_CXXFLAGS_DEBUG    = $$QMAKE_CFLAGS_DEBUG
 QMAKE_CXXFLAGS_YACC     = $$QMAKE_CFLAGS_YACC
 QMAKE_CXXFLAGS_LTCG     = $$QMAKE_CFLAGS_LTCG
+QMAKE_CXXFLAGS_MP       = $$QMAKE_CFLAGS_MP
 QMAKE_CXXFLAGS_STL_ON   = -EHsc
 QMAKE_CXXFLAGS_STL_OFF  =
 QMAKE_CXXFLAGS_RTTI_ON  = -GR
diff --git a/mkspecs/win32-msvc2010/qmake.conf b/mkspecs/win32-msvc2010/qmake.conf
index 28d4d3c..8331c14 100644
--- a/mkspecs/win32-msvc2010/qmake.conf
+++ b/mkspecs/win32-msvc2010/qmake.conf
@@ -23,6 +23,7 @@ QMAKE_CFLAGS_RELEASE    = -O2 -MD
 QMAKE_CFLAGS_DEBUG      = -Zi -MDd
 QMAKE_CFLAGS_YACC       =
 QMAKE_CFLAGS_LTCG       = -GL
+QMAKE_CFLAGS_MP         = -MP
 
 QMAKE_CXX               = $$QMAKE_CC
 QMAKE_CXXFLAGS          = $$QMAKE_CFLAGS
@@ -32,6 +33,7 @@ QMAKE_CXXFLAGS_RELEASE  = $$QMAKE_CFLAGS_RELEASE
 QMAKE_CXXFLAGS_DEBUG    = $$QMAKE_CFLAGS_DEBUG
 QMAKE_CXXFLAGS_YACC     = $$QMAKE_CFLAGS_YACC
 QMAKE_CXXFLAGS_LTCG     = $$QMAKE_CFLAGS_LTCG
+QMAKE_CXXFLAGS_MP       = $$QMAKE_CFLAGS_MP
 QMAKE_CXXFLAGS_STL_ON   = -EHsc
 QMAKE_CXXFLAGS_STL_OFF  =
 QMAKE_CXXFLAGS_RTTI_ON  = -GR
diff --git a/qmake/Makefile.win32 b/qmake/Makefile.win32
index b58757c..01387bf 100644
--- a/qmake/Makefile.win32
+++ b/qmake/Makefile.win32
@@ -24,9 +24,11 @@ LINK	    = link
 #
 !if "$(QMAKESPEC)" == "win32-msvc2005"
 CFLAGS      = /Zc:wchar_t-
+!elseif "$(QMAKESPEC)" == "win32-msvc2008" || "$(QMAKESPEC)" == "win32-msvc2010"
+CFLAGS      = /MP
 !endif
 
-CFLAGS	     = -c -Fo$@ \
+CFLAGS_BARE = -c -Fo./ \
               -W3 -nologo -O2 \
               -I. -Igenerators -Igenerators\unix -Igenerators\win32 -Igenerators\mac -Igenerators\symbian \
               -I$(BUILD_PATH)\include -I$(BUILD_PATH)\include\QtCore \
@@ -37,42 +39,23 @@ CFLAGS	     = -c -Fo$@ \
               -I$(SOURCE_PATH)\tools\shared \
               -DQT_NO_TEXTCODEC -DQT_NO_UNICODETABLES -DQT_LITE_COMPONENT -DQT_NODLL -DQT_NO_STL \
               -DQT_NO_COMPRESS -DUNICODE -DHAVE_QCONFIG_CPP -DQT_BUILD_QMAKE -DQT_NO_THREAD \
-              -DQT_NO_QOBJECT -DQT_NO_GEOM_VARIANT -DQT_NO_DATASTREAM -DQT_NO_PCRE -DQT_BOOTSTRAPPED \
-              $(CFLAGS)
-CXXFLAGS    = $(CFLAGS)
+              -DQT_NO_QOBJECT -DQT_NO_GEOM_VARIANT -DQT_NO_DATASTREAM -DQT_NO_PCRE -DQT_BOOTSTRAPPED
+CFLAGS   = -Yuqmake_pch.h -FIqmake_pch.h -Fpqmake_pch.pch $(CFLAGS_BARE) $(CFLAGS)
+
+CXXFLAGS_BARE = $(CFLAGS_BARE)
+CXXFLAGS = $(CFLAGS)
+
 LFLAGS	    =
 LIBS	    = ole32.lib advapi32.lib
 LINKQMAKE   = $(LINK) $(LFLAGS) -OUT:qmake.exe $(OBJS) $(QTOBJS) $(LIBS)
 ADDCLEAN    = vc60.pdb vc70.pdb qmake.pdb qmake.ilk
-!ELSE
 
-#
-# specific stuff for Borland make
-#
-!if !$d(BCB)
-BCB = $(MAKEDIR)\..
-!endif
-CXX	    = bcc32
-CFLAGS	    = -c -o$@ \
-	-tWR -w -w-hid -w-use -O1 \
-	-I. -Igenerators -Igenerators\unix -Igenerators\win32 -Igenerators\mac -Igenerators\symbian \
-	-I$(BUILD_PATH)\include -I$(BUILD_PATH)\include\QtCore \
-	-I$(SOURCE_PATH)\include -I$(SOURCE_PATH)\include\QtCore \
-	-I$(BUILD_PATH)\src\corelib\global \
-        -I$(SOURCE_PATH)\mkspecs\$(QMAKESPEC)  \
-    -I$(SOURCE_PATH)\tools\shared \
-	-DQT_NO_TEXTCODEC -DQT_NO_UNICODETABLES -DQT_LITE_COMPONENT -DQT_NODLL -DQT_NO_STL \
-	-DQT_NO_COMPRESS -DUNICODE -DHAVE_QCONFIG_CPP -DQT_BUILD_QMAKE -DQT_NO_THREAD \
-	-DQT_NO_QOBJECT -DQT_NO_GEOM_VARIANT
-CXXFLAGS    = $(CFLAGS)
-LFLAGS	    = -L$(BCB)\lib -c -x -Gn -ap -Tpe c0x32.obj
-LIBS	    = import32.lib cw32i.lib
-LINKQMAKE   = ilink32 $(LFLAGS) $(OBJS) $(QTOBJS), qmake.exe,,$(LIBS)
-ADDCLEAN    = qmake.tds
+!ELSE
+!ERROR Unsupported compiler for this Makefile
 !ENDIF
 
 #qmake code
-OBJS        = project.obj main.obj makefile.obj unixmake.obj unixmake2.obj mingw_make.obj \
+OBJS        = qmake_pch.obj project.obj main.obj makefile.obj unixmake.obj unixmake2.obj mingw_make.obj \
               option.obj winmakefile.obj projectgenerator.obj property.obj meta.obj \
               makefiledeps.obj metamakefile.obj xmloutput.obj pbuilder_pbx.obj \
               borland_bmake.obj msvc_nmake.obj msvc_vcproj.obj msvc_vcxproj.obj \
@@ -137,77 +120,9 @@ qmake.exe: $(OBJS) $(QTOBJS)
 	-copy qmake.exe $(BUILD_PATH)\bin\qmake.exe
 
 clean::
-	-del qbitarray.obj
-	-del qbuffer.obj
-	-del qcryptographichash.obj
-	-del qlinkedlist.obj
-	-del qfsfileengine.obj
-	-del qfsfileengine_iterator.obj
-	-del qbytearray.obj
-	-del qvsnprintf.obj
-	-del qbytearraymatcher.obj
-	-del qdatetime.obj
-	-del qdir.obj
-	-del qdiriterator.obj
-	-del qfile.obj
-	-del qtemporaryfile.obj
-	-del qabstractfileengine.obj
-	-del qfsfileengine_win.obj
-	-del qfsfileengine_iterator_win.obj
-	-del qfileinfo.obj
-	-del qglobal.obj
-	-del qhash.obj
-	-del qiodevice.obj
-	-del qlist.obj
-	-del qlocale.obj
-	-del qmalloc.obj
-	-del qmap.obj
-	-del qregexp.obj
-	-del qtextcodec.obj
-	-del qutfcodec.obj
-	-del qstring.obj
-	-del qstringlist.obj
-	-del qtextstream.obj
-	-del qdatastream.obj
-	-del quuid.obj
-	-del qvector.obj
-	-del qsettings.obj
-	-del qlibraryinfo.obj
-	-del qvariant.obj
-	-del qurl.obj
-	-del qsettings_win.obj
-	-del qmetatype.obj
-	-del project.obj
-	-del main.obj
-	-del makefile.obj
-	-del unixmake.obj
-	-del unixmake2.obj
-	-del mingw_make.obj
-	-del option.obj
-	-del winmakefile.obj
-	-del projectgenerator.obj
-	-del property.obj
-	-del meta.obj
-	-del makefiledeps.obj
-	-del metamakefile.obj
-	-del xmloutput.obj
-	-del borland_bmake.obj
-	-del msvc_nmake.obj
-	-del msvc_vcproj.obj
-	-del msvc_vcxproj.obj
-	-del msvc_objectmodel.obj
-	-del msbuild_objectmodel.obj
-	-del symmake.obj
-	-del symmake_abld.obj
-	-del symmake_sbsv2.obj
-	-del symbiancommon.obj
-	-del initprojectdeploy_symbian.obj
-	-del registry.obj
-	-del epocroot.obj
-	-del pbuilder_pbx.obj
-	-del qxmlstream.obj
-	-del qxmlutils.obj
-	-del qnumeric.obj
+	-del $(QTOBJS)
+	-del $(OBJS)
+	-del qmake_pch.pch
 	-del vc60.pdb
 	-del vc70.pdb
 	-del qmake.pdb
@@ -229,227 +144,53 @@ distclean:: clean
 .cxx.obj:
 	$(CXX) $(CXXFLAGS) $<
 
-qsettings_win.obj: $(SOURCE_PATH)\src\corelib\io\qsettings_win.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qsettings_win.cpp
-
-qsettings.obj: $(SOURCE_PATH)\src\corelib\io\qsettings.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qsettings.cpp
-
-qlibraryinfo.obj: $(SOURCE_PATH)\src\corelib\global\qlibraryinfo.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\global\qlibraryinfo.cpp
-
-qnumeric.obj: $(SOURCE_PATH)\src\corelib\global\qnumeric.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\global\qnumeric.cpp
-
-qvariant.obj: $(SOURCE_PATH)\src\corelib\kernel\qvariant.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\kernel\qvariant.cpp
-
-qurl.obj: $(SOURCE_PATH)\src\corelib\io\qurl.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qurl.cpp
-
-qtextstream.obj: $(SOURCE_PATH)\src\corelib\io\qtextstream.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qtextstream.cpp
-
-qdatastream.obj: $(SOURCE_PATH)\src\corelib\io\qdatastream.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qdatastream.cpp
-
-qiodevice.obj: $(SOURCE_PATH)\src\corelib\io\qiodevice.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qiodevice.cpp
-
-qmalloc.obj: $(SOURCE_PATH)\src\corelib\global\qmalloc.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\global\qmalloc.cpp
-
-qglobal.obj: $(SOURCE_PATH)\src\corelib\global\qglobal.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\global\qglobal.cpp
-
-qhash.obj: $(SOURCE_PATH)\src\corelib\tools\qhash.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qhash.cpp
-
-qbytearray.obj: $(SOURCE_PATH)\src\corelib\tools\qbytearray.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qbytearray.cpp
-
-qcryptographichash.obj: $(SOURCE_PATH)\src\corelib\tools\qcryptographichash.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qcryptographichash.cpp
-
-qvsnprintf.obj: $(SOURCE_PATH)\src\corelib\tools\qvsnprintf.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qvsnprintf.cpp
-
-qbytearraymatcher.obj: $(SOURCE_PATH)\src\corelib\tools\qbytearraymatcher.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qbytearraymatcher.cpp
-
-qchar.obj: $(SOURCE_PATH)\src\corelib\tools\qchar.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qchar.cpp
-
-qutfcodec.obj: $(SOURCE_PATH)\src\corelib\codecs\qutfcodec.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\codecs\qutfcodec.cpp
-
-qstring.obj: $(SOURCE_PATH)\src\corelib\tools\qstring.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qstring.cpp
-
-qstringmatcher.obj: $(SOURCE_PATH)\src\corelib\tools\qstringmatcher.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qstringmatcher.cpp
-
-qlocale.obj: $(SOURCE_PATH)\src\corelib\tools\qlocale.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qlocale.cpp
-
-quuid.obj: $(SOURCE_PATH)\src\corelib\plugin\quuid.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\plugin\quuid.cpp
-
-qbuffer.obj: $(SOURCE_PATH)\src\corelib\io\qbuffer.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qbuffer.cpp
-
-qlist.obj: $(SOURCE_PATH)\src\corelib\tools\qlist.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qlist.cpp
-
-qlinkedlist.obj: $(SOURCE_PATH)\src\corelib\tools\qlinkedlist.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qlinkedlist.cpp
-
-qfile.obj: $(SOURCE_PATH)\src\corelib\io\qfile.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qfile.cpp
-
-qtemporaryfile.obj: $(SOURCE_PATH)\src\corelib\io\qtemporaryfile.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qtemporaryfile.cpp
-
-qfsfileengine_win.obj: $(SOURCE_PATH)\src\corelib\io\qfsfileengine_win.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qfsfileengine_win.cpp
-
-qfsfileengine_iterator_win.obj: $(SOURCE_PATH)\src\corelib\io\qfsfileengine_iterator_win.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qfsfileengine_iterator_win.cpp
-
-qfsfileengine.obj: $(SOURCE_PATH)\src\corelib\io\qfsfileengine.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qfsfileengine.cpp
-
-qfsfileengine_iterator.obj: $(SOURCE_PATH)\src\corelib\io\qfsfileengine_iterator.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qfsfileengine_iterator.cpp
-
-qabstractfileengine.obj: $(SOURCE_PATH)\src\corelib\io\qabstractfileengine.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qabstractfileengine.cpp
-
-qtextcodec.obj: $(SOURCE_PATH)\src\corelib\codecs\qtextcodec.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\codecs\qtextcodec.cpp
-
-qregexp.obj: $(SOURCE_PATH)\src\corelib\tools\qregexp.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qregexp.cpp
-
-qvector.obj: $(SOURCE_PATH)\src\corelib\tools\qvector.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qvector.cpp
+qmake_pch.obj:
+	$(CXX) $(CXXFLAGS_BARE) -c -Yc -Fpqmake_pch.pch -TP qmake_pch.h
 
-qbitarray.obj: $(SOURCE_PATH)\src\corelib\tools\qbitarray.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qbitarray.cpp
-
-qdir.obj: $(SOURCE_PATH)\src\corelib\io\qdir.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qdir.cpp
-
-qdiriterator.obj: $(SOURCE_PATH)\src\corelib\io\qdiriterator.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qdiriterator.cpp
-
-qmetatype.obj: $(SOURCE_PATH)\src\corelib\kernel\qmetatype.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\kernel\qmetatype.cpp
-
-qfileinfo.obj: $(SOURCE_PATH)\src\corelib\io\qfileinfo.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\io\qfileinfo.cpp
-
-qdatetime.obj: $(SOURCE_PATH)\src\corelib\tools\qdatetime.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qdatetime.cpp
-
-qstringlist.obj: $(SOURCE_PATH)\src\corelib\tools\qstringlist.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qstringlist.cpp
-
-qmap.obj: $(SOURCE_PATH)\src\corelib\tools\qmap.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qmap.cpp
-
-qunicodetables.obj: $(SOURCE_PATH)\src\corelib\tools\qunicodetables.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\tools\qunicodetables.cpp
-
-makefile.obj: $(SOURCE_PATH)/qmake/generators\makefile.cpp
-	$(CXX) $(CXXFLAGS) generators\makefile.cpp
-
-unixmake.obj: $(SOURCE_PATH)/qmake/generators\unix\unixmake.cpp
-	$(CXX) $(CXXFLAGS) generators\unix\unixmake.cpp
-
-unixmake2.obj: $(SOURCE_PATH)/qmake/generators\unix\unixmake2.cpp
-	$(CXX) $(CXXFLAGS) generators\unix\unixmake2.cpp
-
-winmakefile.obj: $(SOURCE_PATH)/qmake/generators/win32/winmakefile.cpp
-	$(CXX) $(CXXFLAGS) generators/win32/winmakefile.cpp
-
-borland_bmake.obj: $(SOURCE_PATH)/qmake/generators/win32/borland_bmake.cpp
-	$(CXX) $(CXXFLAGS) generators/win32/borland_bmake.cpp
-
-mingw_make.obj: $(SOURCE_PATH)/qmake/generators/win32/mingw_make.cpp
-	$(CXX) $(CXXFLAGS) generators/win32/mingw_make.cpp
-
-msvc_nmake.obj: $(SOURCE_PATH)/qmake/generators/win32/msvc_nmake.cpp
-	$(CXX) $(CXXFLAGS) generators/win32/msvc_nmake.cpp
-
-msvc_vcproj.obj: $(SOURCE_PATH)/qmake/generators/win32/msvc_vcproj.cpp
-	$(CXX) $(CXXFLAGS) generators/win32/msvc_vcproj.cpp
-
-msvc_vcxproj.obj: $(SOURCE_PATH)/qmake/generators/win32/msvc_vcxproj.cpp
-	$(CXX) $(CXXFLAGS) generators/win32/msvc_vcxproj.cpp
-
-msvc_objectmodel.obj: $(SOURCE_PATH)/qmake/generators/win32/msvc_objectmodel.cpp
-	$(CXX) $(CXXFLAGS) generators/win32/msvc_objectmodel.cpp
-
-msbuild_objectmodel.obj: $(SOURCE_PATH)/qmake/generators/win32/msbuild_objectmodel.cpp
-	$(CXX) $(CXXFLAGS) generators/win32/msbuild_objectmodel.cpp
-
-symmake.obj: $(SOURCE_PATH)/qmake/generators/symbian/symmake.cpp
-	$(CXX) $(CXXFLAGS) generators/symbian/symmake.cpp
-
-symmake_abld.obj: $(SOURCE_PATH)/qmake/generators/symbian/symmake_abld.cpp
-	$(CXX) $(CXXFLAGS) generators/symbian/symmake_abld.cpp
-
-symmake_sbsv2.obj: $(SOURCE_PATH)/qmake/generators/symbian/symmake_sbsv2.cpp
-	$(CXX) $(CXXFLAGS) generators/symbian/symmake_sbsv2.cpp
-
-symbiancommon.obj: $(SOURCE_PATH)/qmake/generators/symbian/symbiancommon.cpp
-	$(CXX) $(CXXFLAGS) generators/symbian/symbiancommon.cpp
-
-initprojectdeploy_symbian.obj: $(SOURCE_PATH)/qmake/generators/symbian/initprojectdeploy_symbian.cpp
-	$(CXX) $(CXXFLAGS) generators/symbian/initprojectdeploy_symbian.cpp
+{$(SOURCE_PATH)\qmake\generators\mac}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-registry.obj: $(SOURCE_PATH)/tools/shared/windows/registry.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)/tools/shared/windows/registry.cpp
+{$(SOURCE_PATH)\qmake\generators\symbian}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-epocroot.obj: $(SOURCE_PATH)/tools/shared/symbian/epocroot.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)/tools/shared/symbian/epocroot.cpp
+{$(SOURCE_PATH)\qmake\generators\unix}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-md5.obj: $(SOURCE_PATH)\src\3rdparty\md5\md5.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\3rdparty\md5\md5.cpp
+{$(SOURCE_PATH)\qmake\generators\win32}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-project.obj: $(SOURCE_PATH)/qmake/project.cpp $(SOURCE_PATH)/qmake/project.h $(SOURCE_PATH)/qmake/option.h
-	$(CXX) $(CXXFLAGS) project.cpp
+{$(SOURCE_PATH)\qmake\generators}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-meta.obj: $(SOURCE_PATH)/qmake/meta.cpp $(SOURCE_PATH)/qmake/project.h $(SOURCE_PATH)/qmake/option.h
-	$(CXX) $(CXXFLAGS) meta.cpp
+{$(SOURCE_PATH)\qmake}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-main.obj: $(SOURCE_PATH)/qmake/main.cpp $(SOURCE_PATH)/qmake/project.h
-	$(CXX) $(CXXFLAGS) main.cpp
+{$(SOURCE_PATH)\src\3rdparty\md5}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-option.obj: $(SOURCE_PATH)/qmake/option.cpp $(SOURCE_PATH)/qmake/option.h
-	$(CXX) $(CXXFLAGS) option.cpp
+{$(SOURCE_PATH)\src\corelib\codecs}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-property.obj: $(SOURCE_PATH)/qmake/property.cpp $(SOURCE_PATH)/qmake/project.h $(SOURCE_PATH)/qmake/option.h
-	$(CXX) $(CXXFLAGS) property.cpp
+{$(SOURCE_PATH)\src\corelib\global}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-projectgenerator.obj: $(SOURCE_PATH)/qmake/generators/projectgenerator.cpp
-	$(CXX) $(CXXFLAGS) generators/projectgenerator.cpp
+{$(SOURCE_PATH)\src\corelib\io}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-pbuilder_pbx.obj: $(SOURCE_PATH)/qmake/generators/mac/pbuilder_pbx.cpp
-	$(CXX) $(CXXFLAGS) generators/mac/pbuilder_pbx.cpp
+{$(SOURCE_PATH)\src\corelib\kernel}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-makefiledeps.obj: $(SOURCE_PATH)/qmake/generators/makefiledeps.cpp
-	$(CXX) $(CXXFLAGS) generators/makefiledeps.cpp
+{$(SOURCE_PATH)\src\corelib\plugin}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-metamakefile.obj: $(SOURCE_PATH)/qmake/generators/metamakefile.cpp
-	$(CXX) $(CXXFLAGS) generators/metamakefile.cpp
+{$(SOURCE_PATH)\src\corelib\tools}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-xmloutput.obj: $(SOURCE_PATH)/qmake/generators/xmloutput.cpp
-	$(CXX) $(CXXFLAGS) generators/xmloutput.cpp
+{$(SOURCE_PATH)\src\corelib\xml}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-qxmlstream.obj: $(SOURCE_PATH)\src\corelib\xml\qxmlstream.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\xml\qxmlstream.cpp
+{$(SOURCE_PATH)\tools\shared\symbian}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
 
-qxmlutils.obj: $(SOURCE_PATH)\src\corelib\xml\qxmlutils.cpp
-	$(CXX) $(CXXFLAGS) $(SOURCE_PATH)\src\corelib\xml\qxmlutils.cpp
+{$(SOURCE_PATH)\tools\shared\windows}.cpp{}.obj::
+	$(CXX) $(CXXFLAGS) $<
diff --git a/src/corelib/tools/qelapsedtimer_unix.cpp b/src/corelib/tools/qelapsedtimer_unix.cpp
index 2c4ea58..633fa00 100644
--- a/src/corelib/tools/qelapsedtimer_unix.cpp
+++ b/src/corelib/tools/qelapsedtimer_unix.cpp
@@ -40,22 +40,58 @@
 ****************************************************************************/
 
 #include "qelapsedtimer.h"
-#include "qpair.h"
 #include <sys/time.h>
 #include <time.h>
 #include <unistd.h>
 
-#if !defined(QT_NO_CLOCK_MONOTONIC)
-# if defined(QT_BOOTSTRAPPED)
-#  define QT_NO_CLOCK_MONOTONIC
+#if defined(QT_NO_CLOCK_MONOTONIC) || defined(QT_BOOTSTRAPPED)
+// turn off the monotonic clock
+# ifdef _POSIX_MONOTONIC_CLOCK
+#  undef _POSIX_MONOTONIC_CLOCK
 # endif
+# define _POSIX_MONOTONIC_CLOCK -1
 #endif
 
 QT_BEGIN_NAMESPACE
 
-static qint64 fractionAdjustment()
+#if (_POSIX_MONOTONIC_CLOCK-0 != 0)
+static const bool monotonicClockChecked = true;
+static const bool monotonicClockAvailable = _POSIX_MONOTONIC_CLOCK > 0;
+#else
+static int monotonicClockChecked = false;
+static int monotonicClockAvailable = false;
+#endif
+
+#ifdef Q_CC_GNU
+# define is_likely(x) __builtin_expect((x), 1)
+#else
+# define is_likely(x) (x)
+#endif
+#define load_acquire(x) ((volatile const int&)(x))
+#define store_release(x,v) ((volatile int&)(x) = (v))
+
+static void unixCheckClockType()
+{
+#if (_POSIX_MONOTONIC_CLOCK-0 == 0)
+    if (is_likely(load_acquire(monotonicClockChecked)))
+        return;
+
+# if defined(_SC_MONOTONIC_CLOCK)
+    // detect if the system support monotonic timers
+    long x = sysconf(_SC_MONOTONIC_CLOCK);
+    store_release(monotonicClockAvailable, x >= 200112L);
+# endif
+
+    store_release(monotonicClockChecked, true);
+#endif
+}
+
+static inline qint64 fractionAdjustment()
 {
-    if (QElapsedTimer::isMonotonic()) {
+    // disabled, but otherwise indicates bad usage of QElapsedTimer
+    //Q_ASSERT(monotonicClockChecked);
+
+    if (monotonicClockAvailable) {
         // the monotonic timer is measured in nanoseconds
         // 1 ms = 1000000 ns
         return 1000*1000ull;
@@ -68,90 +104,73 @@ static qint64 fractionAdjustment()
 
 bool QElapsedTimer::isMonotonic()
 {
-#if (_POSIX_MONOTONIC_CLOCK-0 > 0)
-    return true;
-#else
-    static int returnValue = 0;
-
-    if (returnValue == 0) {
-#  if (_POSIX_MONOTONIC_CLOCK-0 < 0) || !defined(_SC_MONOTONIC_CLOCK)
-        returnValue = -1;
-#  elif (_POSIX_MONOTONIC_CLOCK == 0)
-        // detect if the system support monotonic timers
-        long x = sysconf(_SC_MONOTONIC_CLOCK);
-        returnValue = (x >= 200112L) ? 1 : -1;
-#  endif
-    }
-
-    return returnValue != -1;
-#endif
+    unixCheckClockType();
+    return monotonicClockAvailable;
 }
 
 QElapsedTimer::ClockType QElapsedTimer::clockType()
 {
-    return isMonotonic() ? MonotonicClock : SystemTime;
+    unixCheckClockType();
+    return monotonicClockAvailable ? MonotonicClock : SystemTime;
 }
 
-static inline QPair<long, long> do_gettime()
+static inline void do_gettime(qint64 *sec, qint64 *frac)
 {
-#if (_POSIX_MONOTONIC_CLOCK-0 > 0)
-    timespec ts;
-    clock_gettime(CLOCK_MONOTONIC, &ts);
-    return qMakePair<long,long>(ts.tv_sec, ts.tv_nsec);
-#else
-#  if !defined(QT_NO_CLOCK_MONOTONIC) && !defined(QT_BOOTSTRAPPED)
-    if (QElapsedTimer::isMonotonic()) {
+#if (_POSIX_MONOTONIC_CLOCK-0 >= 0)
+    unixCheckClockType();
+    if (is_likely(monotonicClockAvailable)) {
         timespec ts;
         clock_gettime(CLOCK_MONOTONIC, &ts);
-        return qMakePair<long,long>(ts.tv_sec, ts.tv_nsec);
+        *sec = ts.tv_sec;
+        *frac = ts.tv_nsec;
+        return;
     }
-#  endif
+#endif
     // use gettimeofday
     timeval tv;
     ::gettimeofday(&tv, 0);
-    return qMakePair<long,long>(tv.tv_sec, tv.tv_usec);
-#endif
+    *sec = tv.tv_sec;
+    *frac = tv.tv_usec;
 }
 
 // used in qcore_unix.cpp and qeventdispatcher_unix.cpp
 timeval qt_gettime()
 {
-    QPair<long, long> r = do_gettime();
+    qint64 sec, frac;
+    do_gettime(&sec, &frac);
 
     timeval tv;
-    tv.tv_sec = r.first;
-    tv.tv_usec = r.second;
-    if (QElapsedTimer::isMonotonic())
+    tv.tv_sec = sec;
+    tv.tv_usec = frac;
+    if (monotonicClockAvailable)
         tv.tv_usec /= 1000;
 
     return tv;
 }
 
+static qint64 elapsedAndRestart(qint64 sec, qint64 frac,
+                                qint64 *nowsec, qint64 *nowfrac)
+{
+    do_gettime(nowsec, nowfrac);
+    sec = *nowsec - sec;
+    frac = *nowfrac - frac;
+    return sec * Q_INT64_C(1000) + frac / fractionAdjustment();
+}
+
 void QElapsedTimer::start()
 {
-    QPair<long, long> r = do_gettime();
-    t1 = r.first;
-    t2 = r.second;
+    do_gettime(&t1, &t2);
 }
 
 qint64 QElapsedTimer::restart()
 {
-    QPair<long, long> r = do_gettime();
-    qint64 oldt1 = t1;
-    qint64 oldt2 = t2;
-    t1 = r.first;
-    t2 = r.second;
-
-    r.first -= oldt1;
-    r.second -= oldt2;
-    return r.first * Q_INT64_C(1000) + r.second / fractionAdjustment();
+    return elapsedAndRestart(t1, t2, &t1, &t2);
 }
 
 qint64 QElapsedTimer::elapsed() const
 {
-    QElapsedTimer now;
-    now.start();
-    return msecsTo(now);
+    qint64 sec, frac;
+    return elapsedAndRestart(t1, t2, &sec, &frac);
 }
 
 qint64 QElapsedTimer::msecsSinceReference() const
diff --git a/src/corelib/tools/qsimd.cpp b/src/corelib/tools/qsimd.cpp
index 68ab033..7349432 100644
--- a/src/corelib/tools/qsimd.cpp
+++ b/src/corelib/tools/qsimd.cpp
@@ -140,56 +140,41 @@ static inline uint detectProcessorFeatures()
     uint result = 0;
     /* see p. 118 of amd64 instruction set manual Vol3 */
 #if defined(Q_CC_GNU)
-    asm ("push %%ebx\n"
-         "pushf\n"
-         "pop %%eax\n"
-         "mov %%eax, %%ebx\n"
-         "xor $0x00200000, %%eax\n"
-         "push %%eax\n"
-         "popf\n"
-         "pushf\n"
-         "pop %%eax\n"
-         "xor %%edx, %%edx\n"
-         "xor %%ebx, %%eax\n"
-         "jz 1f\n"
-
-         "mov $0x00000001, %%eax\n"
-         "cpuid\n"
-         "1:\n"
-         "pop %%ebx\n"
-         "mov %%edx, %0\n"
-         "mov %%ecx, %1\n"
-        : "=r" (result), "=r" (feature_result)
-        :
-        : "%eax", "%ecx", "%edx"
-        );
-
-    asm ("push %%ebx\n"
-         "pushf\n"
-         "pop %%eax\n"
-         "mov %%eax, %%ebx\n"
-         "xor $0x00200000, %%eax\n"
-         "push %%eax\n"
+    long cpuid_supported, tmp1;
+    asm ("pushf\n"
+         "pop %0\n"
+         "mov %0, %1\n"
+         "xor $0x00200000, %0\n"
+         "push %0\n"
          "popf\n"
          "pushf\n"
-         "pop %%eax\n"
-         "xor %%edx, %%edx\n"
-         "xor %%ebx, %%eax\n"
-         "jz 2f\n"
-
-         "mov $0x80000000, %%eax\n"
-         "cpuid\n"
-         "cmp $0x80000000, %%eax\n"
-         "jbe 2f\n"
-         "mov $0x80000001, %%eax\n"
-         "cpuid\n"
-         "2:\n"
-         "pop %%ebx\n"
-         "mov %%edx, %0\n"
-        : "=r" (extended_result)
-        :
-        : "%eax", "%ecx", "%edx"
-        );
+         "pop %0\n"
+         "xor %1, %0\n" // %eax is now 0 if CPUID is not supported
+         : "=a" (cpuid_supported), "=r" (tmp1)
+         );
+    if (cpuid_supported) {
+        asm ("xchg %%ebx, %2\n"
+             "cpuid\n"
+             "xchg %%ebx, %2\n"
+            : "=c" (feature_result), "=d" (result), "=&r" (tmp1)
+            : "a" (1));
+
+        asm ("xchg %%ebx, %1\n"
+             "cpuid\n"
+             "cmp $0x80000000, %%eax\n"
+             "jnbe 1f\n"
+             "xor %0, %0\n"
+             "jmp 2f\n"
+             "1:\n"
+             "mov $0x80000001, %%eax\n"
+             "cpuid\n"
+             "2:\n"
+             "xchg %%ebx, %1\n"
+            : "=d" (extended_result), "=&r" (tmp1)
+            : "a" (0x80000000)
+            : "%ecx"
+            );
+    }
 
 #elif defined (Q_OS_WIN)
     _asm {
@@ -289,27 +274,10 @@ static inline uint detectProcessorFeatures()
     uint feature_result = 0;
 
 #if defined(Q_CC_GNU)
-    asm ("push %%rbx\n"
-         "pushf\n"
-         "pop %%rax\n"
-         "mov %%eax, %%ebx\n"
-         "xor $0x00200000, %%eax\n"
-         "push %%rax\n"
-         "popf\n"
-         "pushf\n"
-         "pop %%rax\n"
-         "xor %%edx, %%edx\n"
-         "xor %%ebx, %%eax\n"
-         "jz 1f\n"
-
-         "mov $0x00000001, %%eax\n"
-         "cpuid\n"
-         "1:\n"
-         "pop %%rbx\n"
-         "mov %%ecx, %0\n"
-        : "=r" (feature_result)
-        :
-        : "%eax", "%ecx", "%edx"
+    asm ("cpuid"
+        : "=c" (feature_result)
+        : "a" (1)
+        : "%ebx", "%edx"
         );
 #elif defined (Q_OS_WIN64)
     {
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index d940bf8..2813b29 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -173,19 +173,6 @@ static int ucstricmp(const ushort *a, const ushort *ae, const uchar *b)
     return 1;
 }
 
-// Unicode case-sensitive comparison
-static int ucstrcmp(const QChar *a, int alen, const QChar *b, int blen)
-{
-    if (a == b && alen == blen)
-        return 0;
-    int l = qMin(alen, blen);
-    while (l-- && *a == *b)
-        a++,b++;
-    if (l == -1)
-        return (alen-blen);
-    return a->unicode() - b->unicode();
-}
-
 // Unicode case-sensitive compare two same-sized strings
 static int ucstrncmp(const QChar *a, const QChar *b, int l)
 {
@@ -196,6 +183,16 @@ static int ucstrncmp(const QChar *a, const QChar *b, int l)
     return a->unicode() - b->unicode();
 }
 
+// Unicode case-sensitive comparison
+static int ucstrcmp(const QChar *a, int alen, const QChar *b, int blen)
+{
+    if (a == b && alen == blen)
+        return 0;
+    int l = qMin(alen, blen);
+    int cmp = ucstrncmp(a, b, l);
+    return cmp ? cmp : (alen-blen);
+}
+
 // Unicode case-insensitive compare two same-sized strings
 static int ucstrnicmp(const ushort *a, const ushort *b, int l)
 {
diff --git a/src/plugins/bearer/symbian/qnetworksession_impl.cpp b/src/plugins/bearer/symbian/qnetworksession_impl.cpp
index 19f13c2..2091898 100644
--- a/src/plugins/bearer/symbian/qnetworksession_impl.cpp
+++ b/src/plugins/bearer/symbian/qnetworksession_impl.cpp
@@ -111,13 +111,15 @@ QNetworkSessionPrivateImpl::~QNetworkSessionPrivateImpl()
     Cancel();
     iSocketServ.Close();
 
-    // Restore default interface to system default
-    restoreDefaultIf();
+    // Close global 'Open C' RConnection
+    // Clears also possible unsetdefaultif() flags.
+    setdefaultif(0);
 
     iConnectionMonitor.Close();
     iOpenCLibrary.Close();
 #ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
-    qDebug() << "QNS this : " << QString::number((uint)this) << " - destroyed (and restoreDefaultIf())";
+    qDebug() << "QNS this : " << QString::number((uint)this)
+             << " - destroyed (and setdefaultif(0))";
 #endif
 }
 
@@ -533,8 +535,15 @@ void QNetworkSessionPrivateImpl::close(bool allowSignals)
     Cancel(); // closes iConnection
     iSocketServ.Close();
 
-    // Restore default interface to system default
-    restoreDefaultIf();
+    // Close global 'Open C' RConnection. If OpenC supports,
+    // close the defaultif for good to avoid difficult timing
+    // and bouncing issues of network going immediately back up
+    //  because of e.g. select() thread etc.
+    if (iDynamicUnSetdefaultif) {
+        iDynamicUnSetdefaultif();
+    } else {
+        setdefaultif(0);
+    }
 
     // If UserChoice, go down immediately. If some other configuration,
     // go down immediately if there is no reports expected from the platform;
@@ -1459,29 +1468,6 @@ void QNetworkSessionPrivateImpl::handleSymbianConnectionStatusChange(TInt aConne
         }
 }
 
-void QNetworkSessionPrivateImpl::restoreDefaultIf()
-{
-    QNetworkConfigurationPrivatePointer config = engine->defaultConfiguration();
-
-    QMutexLocker locker(&config->mutex);
-
-    ifreq ifr;
-    memset(&ifr, 0, sizeof(ifreq));
-
-    switch (config->type) {
-    case QNetworkConfiguration::InternetAccessPoint:
-        strcpy(ifr.ifr_name, config->name.toUtf8().constData());
-        break;
-    case QNetworkConfiguration::ServiceNetwork:
-        ifr.ifr_ifru.snap_id = toSymbianConfig(config)->numericId;
-        break;
-    default:
-        ;
-    };
-
-    setdefaultif(&ifr);
-}
-
 #if defined(SNAP_FUNCTIONALITY_AVAILABLE)
 bool QNetworkSessionPrivateImpl::easyWlanTrueIapId(TUint32 &trueIapId) const
 {
diff --git a/src/plugins/bearer/symbian/qnetworksession_impl.h b/src/plugins/bearer/symbian/qnetworksession_impl.h
index 51f2e70..8e3e997 100644
--- a/src/plugins/bearer/symbian/qnetworksession_impl.h
+++ b/src/plugins/bearer/symbian/qnetworksession_impl.h
@@ -141,7 +141,6 @@ private:
     void handleSymbianConnectionStatusChange(TInt aConnectionStatus, TInt aError, TUint accessPointId = 0);
     QNetworkConfiguration bestConfigFromSNAP(const QNetworkConfiguration& snapConfig) const;
     QNetworkConfiguration activeConfiguration(TUint32 iapId = 0) const;
-    void restoreDefaultIf();
 #ifndef QT_NO_NETWORKINTERFACE
     QNetworkInterface interface(TUint iapId) const;
 #endif
diff --git a/tools/configure/configureapp.cpp b/tools/configure/configureapp.cpp
index 09da581..89d3ef0 100644
--- a/tools/configure/configureapp.cpp
+++ b/tools/configure/configureapp.cpp
@@ -381,6 +381,7 @@ Configure::Configure(int& argc, char** argv)
     dictionary[ "INCREDIBUILD_XGE" ] = "auto";
     dictionary[ "LTCG" ]            = "no";
     dictionary[ "NATIVE_GESTURES" ] = "yes";
+    dictionary[ "MSVC_MP" ] = "no";
 }
 
 Configure::~Configure()
@@ -534,6 +535,13 @@ void Configure::parseCmdLine()
         else if (configCmdLine.at(i) == "-no-ltcg") {
             dictionary[ "LTCG" ] = "no";
         }
+        else if (configCmdLine.at(i) == "-mp") {
+            dictionary[ "MSVC_MP" ] = "yes";
+        }
+        else if (configCmdLine.at(i) == "-no-mp") {
+            dictionary[ "MSVC_MP" ] = "no";
+        }
+
 #endif
 
         else if (configCmdLine.at(i) == "-platform") {
@@ -1848,6 +1856,8 @@ bool Configure::displayHelp()
         desc("STYLE_S60" , "yes", "",                   "  s60\n", ' ');
         desc("NATIVE_GESTURES", "no", "-no-native-gestures", "Do not use native gestures on Windows 7.");
         desc("NATIVE_GESTURES", "yes", "-native-gestures", "Use native gestures on Windows 7.");
+        desc("MSVC_MP", "no", "-no-mp",                 "Do not use multiple processors for compiling with MSVC");
+        desc("MSVC_MP", "yes", "-mp",                   "Use multiple processors for compiling with MSVC (-MP)");
 
 /*      We do not support -qconfig on Windows yet
 
@@ -2822,7 +2832,7 @@ void Configure::generateCachefile()
         for (QStringList::Iterator var = qmakeVars.begin(); var != qmakeVars.end(); ++var) {
             cacheStream << (*var) << endl;
         }
-        cacheStream << "CONFIG         += " << qmakeConfig.join(" ") << " incremental create_prl link_prl depend_includepath QTDIR_build" << endl;
+        cacheStream << "CONFIG         += " << qmakeConfig.join(" ") << " incremental msvc_mp create_prl link_prl depend_includepath QTDIR_build" << endl;
 
         QStringList buildParts;
         buildParts << "libs" << "tools" << "examples" << "demos" << "docs" << "translations";
@@ -2885,6 +2895,8 @@ void Configure::generateCachefile()
 
         if (dictionary[ "LTCG" ] == "yes")
             configStream << " ltcg";
+        if (dictionary[ "MSVC_MP" ] == "yes")
+            configStream << " msvc_mp";
         if (dictionary[ "STL" ] == "yes")
             configStream << " stl";
         if (dictionary[ "EXCEPTIONS" ] == "yes")