diff -r b72c6db6890b -r 5dc02b23752f src/qbase.pri
--- a/src/qbase.pri	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/qbase.pri	Tue Jul 06 15:10:48 2010 +0300
@@ -4,7 +4,7 @@
 isEmpty(QT_ARCH):!isEmpty(ARCH):QT_ARCH=$$ARCH #another compat that will rot for change #215700
 TEMPLATE	= lib
 isEmpty(QT_MAJOR_VERSION) {
-   VERSION=4.6.3
+   VERSION=4.7.0
 } else {
    VERSION=$${QT_MAJOR_VERSION}.$${QT_MINOR_VERSION}.$${QT_PATCH_VERSION}
 }
@@ -90,6 +90,7 @@
     !static: DEFINES+=QT_MAKEDLL
 }
 symbian {
+    DEFINES += QT_QCHAR_CONSTRUCTOR
     # load the environment specific feature definitions
     exists($${EPOCROOT}epoc32/tools/qt/mkspecs/features/environment.prf) {
         load($${EPOCROOT}epoc32/tools/qt/mkspecs/features/environment.prf)
@@ -109,7 +110,7 @@
         # built in this exact environment.  *Never* use this when building a version 
         # for release.
         contains(CONFIG, def_files) {
-            defFilePath=../s60installs
+            DEF_FILE=../s60installs
         }
     }
     load(armcc_warnings)
@@ -162,6 +163,7 @@
 DEFINES *= QT_NO_CAST_TO_ASCII QT_ASCII_CAST_WARNINGS
 contains(QT_CONFIG, qt3support):DEFINES *= QT3_SUPPORT
 DEFINES *= QT_MOC_COMPAT #we don't need warnings from calling moc code in our generated code
+DEFINES *= QT_USE_FAST_OPERATOR_PLUS QT_USE_FAST_CONCATENATION
 
 TARGET = $$qtLibraryTarget($$TARGET$$QT_LIBINFIX) #do this towards the end