anchor.diff:  set PATH=C:\MinGW\bin;%PATH%
   
   set TEST_PY=25,26,27,30,31,32
  -set TEST_MPI=mpich2,deinompi,msmpi
  +set TEST_MPI=mpich2,openmpi,deinompi,msmpi
   set TEST_CC=msvc,mingw32
  +set TEST_PY=25
  +set TEST_MPI=openmpi
  +set TEST_CC=mingw32
   
   for %%A in (%TEST_PY%)  do (
   for %%B in (%TEST_MPI%) do (
  
positive.code: if not exist %MPIEXEC% goto :eof
  
  set INSTALLDIR=%TEMP%\mpi4py-buildtest
  %PYTHON% setup.py -q clean --all
  %PYTHON% setup.py -q build  --mpi=%MPICONF% --compiler=%COMPILER% install --home=%INSTALLDIR%
  %PYTHON% setup.py -q clean --all
  %MPIEXEC% -n 2 %PYTHON% test\runtests.py -q --path=%INSTALLDIR%
  del   /S /Q %INSTALLDIR%\lib\python > NUL
  rmdir /S /Q %INSTALLDIR%\lib\python\mpi4py > NUL
  rmdir /S /Q %INSTALLDIR%
  goto :eof
  
negative.code: set PYTHONDIR=C:\Python%PYVERSION%
  set PYTHON="%PYTHONDIR%\python.exe"
  set MPIDIR=
  if %MPICONF%==mpich2   set MPIDIR=%ProgramFiles%\MPICH2
  if %MPICONF%==openmpi  set MPIDIR=%ProgramFiles%\OpenMPI_v1.5.1-win32
  if %MPICONF%==deinompi set MPIDIR=%ProgramFiles%\DeinoMPI
  if %MPICONF%==msmpi    set MPIDIR=%ProgramFiles%\Microsoft HPC Pack 2008 SDK
  set MPIEXEC="%MPIDIR%\bin\mpiexec.exe"
  
  