anchor.diff:  
   @echo off
   
  -REM
  -REM Copyright 2014 Celtoys Ltd
  -REM
  -REM Licensed under the Apache License, Version 2.0 (the "License");
  -REM you may not use this file except in compliance with the License.
  -REM You may obtain a copy of the License at
  -REM
  -REM     http://www.apache.org/licenses/LICENSE-2.0
  -REM
  -REM Unless required by applicable law or agreed to in writing, software
  -REM distributed under the License is distributed on an "AS IS" BASIS,
  -REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  -REM See the License for the specific language governing permissions and
  -REM limitations under the License.
  -REM
  +::
  +:: Copyright 2014 Celtoys Ltd
  +::
  +:: Licensed under the Apache License, Version 2.0 (the "License");
  +:: you may not use this file except in compliance with the License.
  +:: You may obtain a copy of the License at
  +::
  +::     http://www.apache.org/licenses/LICENSE-2.0
  +::
  +:: Unless required by applicable law or agreed to in writing, software
  +:: distributed under the License is distributed on an "AS IS" BASIS,
  +:: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  +:: See the License for the specific language governing permissions and
  +:: limitations under the License.
  +::
   
   setlocal
   
  -REM
  -REM Search for the location of Visual Studio
  -REM
  +::
  +:: Search for the location of Visual Studio
  +::
   if DEFINED VS110COMNTOOLS (
   	set "VS_TOOLS_DIR=%VS110COMNTOOLS%"
   ) else if DEFINED VS100COMNTOOLS (
  
positive.code: )
  
  
  REM
  REM Apply environment necessary to use cl.exe
  REM
  set VC_DIR=%VS_TOOLS_DIR%..\..\VC
  call "%VC_DIR%\vcvarsall.bat"
  
  
  REM
  REM Quick and dirty compile of the single file
  REM
  cl.exe src/oclpc.c /nologo /I "%OPENCL_INCLUDE_DIR%" /Fobin/oclpc.obj /link /LIBPATH:"%OPENCL_LIBRARY_DIR%" /OUT:bin/oclpc.exe opencl.lib
negative.code: )
  
  
  ::
  :: Search for the location of OpenCL in all major distributions
  ::
  if DEFINED CUDA_PATH (
  	set "OPENCL_INCLUDE_DIR=%CUDA_PATH%\include"
  	set "OPENCL_LIBRARY_DIR=%CUDA_PATH%\lib\Win32"
  