anchor.diff:  
   :: build Klamp't Python bindings
   copy /y %buildfolder%\Python\setup.py Python\
  -pushd
  -cd Python
  +pushd Python
   for %%P in (%PYTHON_32_VERSIONS%) do (
       %%P setup.py build_ext
       if %errorlevel% neq 0 exit /b %errorlevel%
  
positive.code: :: (assumes the zip command line tool is available.  See GnuWin32 zip.)
  
  :: configuration variables
  SET klamptversion=0.8.4
  :: dependency libraries may be kept back to a prior version
  SET klamptdepversion=0.8.4
  ::    this is used for Python build (VS 2015)
  SET VS90COMNTOOLS=%VS140COMNTOOLS%
  SET PYTHON27_32=D:\Python27\python.exe
  
negative.code: for %%I in (assimp.dll glpk_4_61.dll glpk_4_61.lib glew32.dll glew32.lib KrisLibrary.lib ode_double.lib tinyxml_STL.lib libcurl.lib) do copy /Y %%I ..\..\%depfolder%
  if %errorlevel% neq 0 exit /b %errorlevel%
  popd
  pushd %depfolder%
  zip ..\%depfolder%.zip *
  popd
  if %errorlevel% neq 0 exit /b %errorlevel%
  