diff -r 41300fa6a67c -r f7bc934e204c util/mkspecs/features/symbian/stl.prf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/util/mkspecs/features/symbian/stl.prf	Wed Mar 31 11:06:36 2010 +0300
@@ -0,0 +1,32 @@
+CONFIG -= stl_off
+
+# STL usage in S60 requires the "OPTION CW -wchar_t on" mmp statement to be used.
+# This statement is added via $$STLLIB_USAGE_CW_FLAGS variable below.
+# S60 STL documentation instructs to use also "MACRO  _WCHAR_T_DECLARED" statement,
+# but QtS60 will not compile if that statement is set.
+
+QMAKE_CXXFLAGS.CW *= $$STLLIB_USAGE_CW_FLAGS 
+
+# Path to stlport headers
+INCLUDEPATH += $$OS_LAYER_STDCPP_SYSTEMINCLUDE 
+
+# Remove mkspecs/common/symbian/stl-off from beginning of includepath 
+# in order to use new and delete operators from STL
+INCLUDEPATH -= $$[QT_INSTALL_PREFIX]/mkspecs/common/symbian/stl-off
+
+# libstdcppv5 is preferred over libstdcpp as it has/uses the throwing version of operator new
+STL_LIB = -llibstdcppv5.dll
+
+# STDCPP turns on standard C++ new behaviour (ie. throwing new)
+STL_MMP_RULE = "STDCPP"
+
+# Fall back to old implementation if that is the only one that is found
+exists($${EPOCROOT}epoc32/release/armv5/urel/libstdcpp.dll)|exists($${EPOCROOT}epoc32/release/winscw/udeb/libstdcpp.dll) {
+    !exists($${EPOCROOT}epoc32/release/armv5/urel/libstdcppv5.dll):!exists($${EPOCROOT}epoc32/release/winscw/udeb/libstdcppv5.dll) {
+        STL_LIB = -llibstdcpp.dll
+        STL_MMP_RULE =
+    }
+}
+
+LIBS *= $$STL_LIB
+MMP_RULES *= $$STL_MMP_RULE