anchor.diff:      mkdir lib\Release
       mkdir lib\Debug
       mkdir include
  -    cd zlib-1.2.7
  +    cd zlib-%ZLIB_VERSION%
       IF NOT %ERRORLEVEL%==0 GOTO :ERROR
   
       IF %VS_ARCH%==x64 (
  
positive.code: )
  
  :: ZLIB
  IF NOT EXIST "%DEPS%\zlib-1.2.8.tar.gz". (
     CD "%DEPS%"
     rmdir /S /Q "%DEPS%\zlib"
     cecho {0D}Downloading zlib 1.2.8{# #}{\n}
     wget http://zlib.net/zlib-1.2.8.tar.gz
     IF NOT EXIST "%DEPS%\zlib-1.2.8.tar.gz". GOTO :ERROR
  ) ELSE (
     cecho {0D}zlib 1.2.8 already downloaded. Skipping.{# #}{\n}
  )
  
  IF NOT EXIST "%DEPS%\zlib". (
      cd "%DEPS%"
      cecho {0D}Extracting zlib 1.2.7 package to "%DEPS%\zlib"{# #}{\n}
      mkdir zlib
      7za e -y zlib-1.2.7.tar.gz
      7za x -y -ozlib zlib-1.2.7.tar
      del /Q zlib-1.2.7.tar
  )
  
  IF NOT EXIST "%DEPS%\zlib\lib\Release\zlibstat.lib". (
  
negative.code:    cecho {0D}Building zziplib from premade project %TOOLS%\Mods\vs2008-zziplib.vcproj{# #}{\n}
     copy /Y "%TOOLS%\Mods\vs2008-zziplib.vcproj" zziplib.vcproj
     IF NOT %GENERATOR%==%GENERATOR_VS2008% VCUpgrade /nologo zziplib.vcproj
     MSBuild zziplib.%VCPROJ_FILE_EXT% /p:configuration=Release /nologo /clp:ErrorsOnly /m:%NUMBER_OF_PROCESSORS%
     MSBuild zziplib.%VCPROJ_FILE_EXT% /p:configuration=Debug /nologo /clp:ErrorsOnly /m:%NUMBER_OF_PROCESSORS%
     
     :: Copy results to lib/include
     copy /Y zziplib.lib ..\..\lib
     copy /Y zziplibd.lib ..\..\lib
     copy /Y ..\zzip\*.h ..\..\include\zzip
  ) ELSE (
     cecho {0D}zziplib %ZZIPLIB_VERSION% already built. Skipping.{# #}{\n}
  )
  
  echo.
  