Failed to build Qt for XP support.

[1194/12293] CXX obj\src\3rdparty\chromium\base\trace_event\base.trace_event_impl_constants.obj
FAILED: ninja -t msvc -e environment.x86 -- cl.exe /nologo /showIncludes /FC @obj\src\3rdparty\chromium\base\trace_event\base.trace_event_etw_export_win.obj.rsp /c d:\qt\qt5.6.0\5.6\src\qtwebengine\src\3rdparty\chromium\base\trace_event\trace_event_etw_export_win.cc /Foobj\src\3rdparty\chromium\base\trace_event\base.trace_event_etw_export_win.obj /Fdobj\src\3rdparty\chromium\base\base.cc.pdb 
d:\qt\qt5.6.0\5.6\src\qtwebengine\src\3rdparty\chromium\base\trace_event\trace_event_etw_export_win.cc(191) : error C3861: 'EventEnabledChromeEvent': identifier not found
d:\qt\qt5.6.0\5.6\src\qtwebengine\src\3rdparty\chromium\base\trace_event\trace_event_etw_export_win.cc(298) : error C3861: 'EventEnabledChromeEvent': identifier not found
ninja: build stopped: subcommand failed.
	cd qtbase\ && ( if not exist Makefile D:\Qt\Qt5.6.0\5.6\Qt5.6.0.msvc2013.xp\qtbase\bin\qmake D:\Qt\Qt5.6.0\5.6\Src\qtbase\qtbase.pro -o Makefile ) && "C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\BIN\nmake.exe" -f Makefile install
	cd src\ && ( if not exist Makefile D:\Qt\Qt5.6.0\5.6\Qt5.6.0.msvc2013.xp\qtbase\bin\qmake D:\Qt\Qt5.6.0\5.6\Src\qtbase\src\src.pro -o Makefile ) && "C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\BIN\nmake.exe" -f Makefile install
	cd tools\bootstrap\ && ( if not exist Makefile D:\Qt\Qt5.6.0\5.6\Qt5.6.0.msvc2013.xp\qtbase\bin\qmake D:\Qt\Qt5.6.0\5.6\Src\qtbase\src\tools\bootstrap\bootstrap.pro -o Makefile ) && "C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\BIN\nmake.exe" -f Makefile install
	"C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\BIN\nmake.exe" -f Makefile.Release install
	D:\Qt\Qt5.6.0\5.6\Qt5.6.0.msvc2013.xp\qtbase\bin\qmake -install sed -e "s,D:/Qt/Qt5.6.0/5.6/Qt5.6.0.msvc2013.xp/[^/][^/]*/lib,$$[QT_HOST_LIBS],g" -e "s,D:\\\\Qt\\\\Qt5.6.0\\\\5.6\\\\Qt5.6.0.msvc2013.xp\\\\[^\\\\][^\\\\]*\\\\lib,$$[QT_HOST_LIBS],gi" ..\..\..\lib\Qt5Bootstrap.prl > D:\Qt\Qt5.6.0\5.6\Qt5.6.0.msvc2013.xp\lib\Qt5Bootstrap.prl
	copy /y ..\..\..\lib\Qt5Bootstrap.lib D:\Qt\Qt5.6.0\5.6\Qt5.6.0.msvc2013.xp\lib\Qt5Bootstrap.lib