old_contents: """SCons.Tool.mslib
  
  Tool-specific initialization for lib (MicroSoft library archiver).
  
  There normally shouldn't be any need to import this module directly.
  It will usually be imported through the generic SCons.Tool.Tool()
  selection method.
  
  """
  
  #
  # __COPYRIGHT__
  #
  # Permission is hereby granted, free of charge, to any person obtaining
  # a copy of this software and associated documentation files (the
  # "Software"), to deal in the Software without restriction, including
  # without limitation the rights to use, copy, modify, merge, publish,
  # distribute, sublicense, and/or sell copies of the Software, and to
  # permit persons to whom the Software is furnished to do so, subject to
  # the following conditions:
  #
  # The above copyright notice and this permission notice shall be included
  # in all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  #
  
  __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  
  import SCons.Defaults
  import SCons.Tool
  import SCons.Tool.msvs
  import SCons.Tool.msvc
  import SCons.Util
  
  from MSVCCommon import detect_msvs, merge_default_version
  
  def generate(env):
      """Add Builders and construction variables for lib to an Environment."""
      SCons.Tool.createStaticLibBuilder(env)
  
      try:
          version = SCons.Tool.msvs.get_default_visualstudio_version(env)
  
          if env.has_key('MSVS_IGNORE_IDE_PATHS') and env['MSVS_IGNORE_IDE_PATHS']:
              include_path, lib_path, exe_path = SCons.Tool.msvc.get_msvc_default_paths(env,version)
          else:
              include_path, lib_path, exe_path = SCons.Tool.msvc.get_msvc_paths(env,version)
  
          # since other tools can set this, we just make sure that the
          # relevant stuff from MSVS is in there somewhere.
          env.PrependENVPath('PATH', exe_path)
      except (SCons.Util.RegError, SCons.Errors.InternalError):
          pass
  
      env['AR']          = 'lib'
      env['ARFLAGS']     = SCons.Util.CLVar('/nologo')
      env['ARCOM']       = "${TEMPFILE('$AR $ARFLAGS /OUT:$TARGET $SOURCES')}"
      env['LIBPREFIX']   = ''
      env['LIBSUFFIX']   = '.lib'
  
  def exists(env):
      return detect_msvs()
  
new_contents: """SCons.Tool.mslib
  
  Tool-specific initialization for lib (MicroSoft library archiver).
  
  There normally shouldn't be any need to import this module directly.
  It will usually be imported through the generic SCons.Tool.Tool()
  selection method.
  
  """
  
  #
  # __COPYRIGHT__
  #
  # Permission is hereby granted, free of charge, to any person obtaining
  # a copy of this software and associated documentation files (the
  # "Software"), to deal in the Software without restriction, including
  # without limitation the rights to use, copy, modify, merge, publish,
  # distribute, sublicense, and/or sell copies of the Software, and to
  # permit persons to whom the Software is furnished to do so, subject to
  # the following conditions:
  #
  # The above copyright notice and this permission notice shall be included
  # in all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  #
  
  __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  
  import SCons.Defaults
  import SCons.Tool
  import SCons.Tool.msvs
  import SCons.Tool.msvc
  import SCons.Util
  
  from MSVCCommon import detect_msvs, merge_default_version
  
  def generate(env):
      """Add Builders and construction variables for lib to an Environment."""
      SCons.Tool.createStaticLibBuilder(env)
  
      # Set-up ms tools paths for default version
      merge_default_version(env)
  
      env['AR']          = 'lib'
      env['ARFLAGS']     = SCons.Util.CLVar('/nologo')
      env['ARCOM']       = "${TEMPFILE('$AR $ARFLAGS /OUT:$TARGET $SOURCES')}"
      env['LIBPREFIX']   = ''
      env['LIBSUFFIX']   = '.lib'
  
  def exists(env):
      return detect_msvs()
  
subject: Use common function to detect msvs version for mslib tool.