anchor.diff:  if not exist "%BOOST_DIR%\b2.exe" call:bootstrap %BOOST_DIR%
   set INSTALL_DIR=%BUILD_DIR%\install
   call:buildBoost %BOOST_DIR% %INSTALL_DIR% %~1 %~2
  -:: @todo
   goto :EOF
   
   :main
   if not exist "%~dp0build" md "%~dp0build"
  -::call:build x86 release
  -call:build x64 release
  +call:build x86 release
  +::call:build x64 release
   pause
positive.code: :bootstrap
  @echo Bootstrapping %~1
  pushd "%~1"
  echo( && echo using mpi ; >> tools\build\v2\user-config.jam
  call bootstrap.bat
  popd
  goto :EOF
  
  :: usage: call:buildBoost boost_dir install_dir x86|x64|ia64 debug|release
  
negative.code: :: Dependancies:
  ::  * Microsoft Visual Studio / C++
  ::  * Microsoft WinSDK
  ::  * Microsoft HPC Pack 2008 R2 MS-MPI Redistributed Package (optional)
  ::    * Not the 2012 versions; they don't include the headers / libs.
  
  set BOOST_TOOLSET=msvc-10.0
  set BOOST_VERSION=1_53_0
  