anchor.diff:  @call :backup_conf
   
   
  -:: {PARAMETER}, if not empty then skip CMake configuration
  -if not [%PARAM_REBUILD%]==[] goto :build
  -
  +:: {PARAMETER}, if not empty and not "cmake_only" then skip CMake configuration
  +if not [%PARAM_REBUILD%]==[] if not [%PARAM_REBUILD%]==[cmake_only] goto :build
   
   
   :: ----------- MAKE ------------
  
positive.code: 
  :: ----------- DOWNLOAD ------------
  
  :: {PARAMETER}, if empty then SVN checkout
  if [%PARAM_REBUILD%]==[] (
  	if [%LOG%]==[true] set _zip_log=^>download.log
  	if not exist %PVPGN_SOURCE% mkdir %PVPGN_SOURCE%
  
negative.code: @call :clean_build_release
  
  :: delete cmake cache
  if exist "%PVPGN_BUILD%CMakeCache.txt" del %PVPGN_BUILD%CMakeCache.txt
  
  if [%CHOICE_INTERFACE%]==[1] ( set _with_gui=false) else ( set _with_gui=true)
  
  