old_contents: import os
  from glob import glob
  
  Import('env')
  
  base = './mapnik/'
  subdirs = ['','svg','wkt','grid','json','util','text_placements','formatting']
  
  if env['SVG_RENDERER']:
      subdirs.append('svg/output')
  
  if env['GRID_RENDERER']:
      subdirs.append('grid')
  
  if 'install' in COMMAND_LINE_TARGETS:
      for subdir in subdirs:
          pathdir = os.path.join(base,subdir,'*.hpp')
          includes = glob(pathdir)
          inc_target = os.path.normpath(env['INSTALL_PREFIX']+'/include/mapnik/'+subdir)
          env.Alias(target='install', source=env.Install(inc_target, includes))
  
  env['create_uninstall_target'](env, os.path.normpath(env['INSTALL_PREFIX']+'/include/mapnik/'))
  
new_contents: import os
  from glob import glob
  
  Import('env')
  
  base = './mapnik/'
  subdirs = ['','svg','wkt','grid','json','util','text_placements','formatting']
  
  if env['SVG_RENDERER']:
      subdirs.append('svg/output')
  
  if env['GRID_RENDERER']:
      subdirs.append('grid')
  
  if 'install' in COMMAND_LINE_TARGETS:
      for subdir in subdirs:
          pathdir = os.path.join(base,subdir,'*.hpp','*.h')
          includes = glob(pathdir)
          inc_target = os.path.normpath(env['INSTALL_PREFIX']+'/include/mapnik/'+subdir)
          env.Alias(target='install', source=env.Install(inc_target, includes))
  
  env['create_uninstall_target'](env, os.path.normpath(env['INSTALL_PREFIX']+'/include/mapnik/'))
  
subject: add *.h to install path.