old_contents: #!/usr/bin/env python
  from subprocess import check_call, CalledProcessError
  import re
  
  from site_scons.path import path
  
  
  get_target = lambda x: ['libboost_%(name)s%(extension)s', 'libboost_%(name)s_%(variation)s%(extension)s'][x['variation'] is not None] % x
  
  
  def get_link_info(boost_lib_path):
      libs = path('%s' % boost_path)
      fs = libs.files('*')
  
      cre_link = re.compile(r'libboost_(?P<name>.*)-mgw\d+-((?P<variation>[^0-9-]*)-)?.*?(?P<extension>(\.\w+)+)')
  
      link_info = [(f, cre_link.search(f).groupdict()) for f in fs if cre_link.search(f)]
      link_info = [(li[0], get_target(li[1])) for li in link_info]
      return link_info
  
  
  if __name__ == '__main__':
      import sys
      import os
  
      if not os.name == 'nt':
          print >> sys.stderr, 'Program must be run in Windows.'
          sys.exit(1)
  
      if not len(sys.argv) == 2:
          print >> sys.stderr, '''usage: %s <boost lib path> (e.g, 'C:\\boost\\stage\\lib')''' % sys.argv[0]
          sys.exit(1)
      boost_path = sys.argv[1].replace('\\', '/')
  
      li = get_link_info(boost_path)
      for w in li:
          parent = w[0].parent
          target = w[0]
          link = parent / path(w[1])
          if link.exists():
              link.remove()
          cmd = 'mklink "%s" "%s"' % (link, target)
          try:
              check_call(cmd, shell=True)
          except CalledProcessError, why:
              print 'Warning: link not created - %s' % why
  
new_contents: #!/usr/bin/env python
  from subprocess import check_call, CalledProcessError
  import re
  
  from site_scons.path import path
  
  
  get_target = lambda x: ['libboost_%(name)s%(extension)s', 'libboost_%(name)s_%(variation)s%(extension)s'][x['variation'] is not None] % x
  
  
  def get_link_info(boost_lib_path):
      libs = path('%s' % boost_path)
      fs = libs.files('*')
  
      cre_link = re.compile(r'libboost_(?P<name>.*)-mgw\d+-((?P<variation>[^0-9-]*)-)?.*?(?P<extension>(\.\w+)+)')
  
      link_info = [(f, cre_link.search(f).groupdict()) for f in fs if cre_link.search(f)]
      link_info = [(li[0], get_target(li[1])) for li in link_info]
      return link_info
  
  
  if __name__ == '__main__':
      import sys
      import os
  
      if not os.name == 'nt':
          print >> sys.stderr, 'Program must be run in Windows.'
          sys.exit(1)
  
      if not len(sys.argv) == 2:
          print >> sys.stderr, '''usage: %s <boost lib path> (e.g, 'C:\\boost\\stage\\lib')''' % sys.argv[0]
          sys.exit(1)
      boost_path = sys.argv[1].replace('\\', '/')
  
      li = get_link_info(boost_path)
      for w in li:
          parent = w[0].parent
          target = w[0]
          link = parent / path(w[1])
          if link.exists():
              link.remove()
          cmd = 'fsutil hardlink create "%s" "%s"' % (link, target)
          try:
              check_call(cmd, shell=True)
          except CalledProcessError, why:
              print 'Warning: link not created - %s' % why
  
subject: Replace mklink with fsutil to add support for Win XP