anchor.diff:  rem *****************************
   rem 2020-12-05 : add a constrints.txt file from a recent pip list
   rem 2021-03-20 : track successes packages combination are archived for future contraint update
  +rem 2021-04-22 : patch PyPy3 (as we don't try to copy PyPy3.exe to Python.exe) 
  +rem 2021-04-22b: Patch PyPy3, give '%my_python_target_release%' to make (otherwise known only after unzip)
   rem *****************************
   
   if "%my_constraints%"=="" set my_constraints=C:\WinP\constraints.txt
  +
  +rem *****************************
  +rem  2021-04-22 : path PyPy3 (as we don't try to copy PyPy3.exe to Python.exe) 
  +rem *****************************
  +rem just replace python.exe (of the target distribution) per %target_python_exe%
  +if "%target_python_exe%"=="" set target_python_exe=python.exe
   
   rem *****************************
   rem *****************************
  
positive.code: rem --------
  
  if %my_python_target%==37 (
     set my_python_target_release=377
     set my_release=2
  )
  if %my_python_target%==38 (
     set my_python_target_release=389
     set my_release=0
  )
  if %my_python_target%==39 (
     set my_python_target_release=394
     set my_release=0
  )
  
  if %my_python_target%==310 (
  
negative.code: 
  set my_buildenv_path=%path%
  
  echo python.exe  -c "from make import *;make_all(%my_release%, '%my_release_level%', pyver='%my_pyver%', basedir=r'%my_basedir%', verbose=True, architecture=%my_arch%, flavor='%my_flavor%', install_options=r'%my_install_options%', find_links=r'%my_find_links%', source_dirs=r'%my_source_dirs%', toolsdirs=r'%my_toolsdirs%', docsdirs=r'%my_docsdirs%', create_installer='False', python_target_release='%my_python_target_release%')">>%my_archive_log%
  python.exe  -c "from make import *;make_all(%my_release%, '%my_release_level%', pyver='%my_pyver%', basedir=r'%my_basedir%', verbose=True, architecture=%my_arch%, flavor='%my_flavor%', install_options=r'%my_install_options%', find_links=r'%my_find_links%', source_dirs=r'%my_source_dirs%', toolsdirs=r'%my_toolsdirs%', docsdirs=r'%my_docsdirs%', create_installer='False', python_target_release='%my_python_target_release%')">>%my_archive_log%
  
  rem old one
  rem echo python.exe  -c "from make import *;make_all(%my_release%, '%my_release_level%', pyver='%my_pyver%', basedir=r'%my_basedir%', verbose=True, architecture=%my_arch%, flavor='%my_flavor%', requirements=r'%my_requirements%', install_options=r'%my_install_options%', find_links=r'%my_find_links%', source_dirs=r'%my_source_dirs%', toolsdirs=r'%my_toolsdirs%', docsdirs=r'%my_docsdirs%', create_installer='%my_create_installer%')">>%my_archive_log%
  