I build Qt opensource 4.8.1 Windows with jom
cmd Qt.bat C:\Qt\4.8.1MT

@echo off

set CONF=%2
if "%2"=="" set CONF=-debug-and-release

set STARTUPDIR=%~dp0
echo Start up script in %STARTUPDIR% dir
echo Start configure and compile Qt QTDIR = %1 configure %CONF% (params)
pause

set STARTTIME=%TIME%

echo Setting up a Qt environment...
set QTDIR=%1
IF "%1" == "" set QTDIR=%STARTUPDIR%

echo – QTDIR set to %QTDIR%
set PATH=%QTDIR%/bin;%PATH%
echo – Added %QTDIR%\bin to PATH
set QMAKESPEC=win32-msvc2010
echo – QMAKESPEC set to "win32-msvc2010"

call "C:\Program Files\Microsoft Visual Studio 10.0\Common7\Tools\vsvars32.bat"

cd /d %QTDIR%

configure -static %CONF% -opensource -qt-zlib -qt-libpng -qt-libmng -qt-libjpeg -qt-libtiff -no-crt -nomake demos -nomake examples -no-qt3support -no-qmake

cd qmake

%STARTUPDIR%jom\jom.exe -j 4 -f Makefile.win32
%STARTUPDIR%jom\jom.exe -f Makefile.win32 clean

cd /d %QTDIR%

qmake

%STARTUPDIR%jom\jom.exe -j 4 >out.log
%STARTUPDIR%jom\jom.exe -j 4 Makefile clean

cd translations
::nmake >out1.log
%STARTUPDIR%jom\jom.exe -j 4
echo start: %STARTTIME% end: %time%

pause

build crashed, log is attached