anchor.diff:  popd
   :BuildSetPath
   set PATH=%XYO_PATH_REPOSITORY%\bin;%PATH%
  +set INCLUDE=%XYO_PATH_REPOSITORY%\include;%INCLUDE%
  +set LIB=%XYO_PATH_REPOSITORY%\lib;%LIB%
   if not exist bin\ goto BuildBegin
   pushd bin
   set PATH=%CD%;%PATH%
  
positive.code: goto BuildStepDone
  :BuildStepError
  set PATH=%RESTORE_PATH%
  exit 1
  :BuildStepDone
  set PATH=%RESTORE_PATH%
  
  
negative.code: 
  :Build
  set RESTORE_PATH=%PATH%
  set RESTORE_INCLUDE=%INCLUDE%
  set RESTORE_LIB=%LIB%
  if not "%XYO_PATH_REPOSITORY%" == "" goto BuildSetPath
  set PATH_REPOSITORY=.\repository
  set PATH_RELEASE=.\release
  