anchor.diff:  if %MPICONF%==msmpi      set MPIDIR=%ProgramFiles%\Microsoft HPC Pack 2008 SDK
   set MPIEXEC="%MPIDIR%\bin\mpiexec.exe"
   
  +echo Py: %PYVERSION% - MPI: %MPICONF% - CC: %COMPILER%
  +if "%PYVERSION%-%COMPILER%"=="25-msvc" goto :eof
  +if not exist %PYTHON%  goto :eof
  +if not exist %MPIEXEC% goto :eof
  +
   %PYTHON% setup.py -q clean --all
  -%PYTHON% setup.py -q build  --mpi=%MPICONF% --compiler=%COMPILER%
  -%PYTHON% setup.py -q install --home=%TEMP%
  +%PYTHON% setup.py -q build  --mpi=%MPICONF% --compiler=%COMPILER% install --home=%TEMP%
   %PYTHON% setup.py -q clean --all
   %MPIEXEC% -n 2 %PYTHON% test\runalltest.py -q --path=%TEMP%\lib\python
   del /S /Q %TEMP%\lib\python > NUL
  
positive.code: set PYVERSION=%1
  set MPICONF=%2
  set COMPILER=%3
  echo Py: %PYVERSION% - MPI: %MPICONF% - CC: %COMPILER%
  
  
  set PYTHONDIR=C:\Python%PYVERSION%
  set PYTHON="%PYTHONDIR%\python.exe"
  
negative.code: 
  set PATH=C:\MinGW\bin;%PATH%
  
  set TEST_PY=25,26,30,31
  set TEST_MPI=mpich2_win,deinompi,msmpi
  set TEST_CC=msvc,mingw32
  
  for %%A in (%TEST_PY%)  do (
  