"""SCons.Tool.mslink
Tool-specific initialization for the Microsoft linker.
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 (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 The SCons Foundation
#
# 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__ = "src/engine/SCons/Tool/mslink.py issue-2856:2676:d23b7a2f45e8 2012/08/05 15:38:28 garyo"
import os.path
import SCons.Action
import SCons.Defaults
import SCons.Errors
import SCons.Platform.win32
import SCons.Tool
import SCons.Tool.msvc
import SCons.Tool.msvs
import SCons.Util
from MSCommon import msvc_setup_env_once, msvc_exists
def pdbGenerator(env, target, source, for_signature):
    try:
        return ['/PDB:%s' % target[0].attributes.pdb, '/DEBUG']
    except (AttributeError, IndexError):
        return None
def _dllTargets(target, source, env, for_signature, paramtp):
    listCmd = []
    dll = env.FindIxes(target, '%sPREFIX' % paramtp, '%sSUFFIX' % paramtp)
    if dll: listCmd.append("/out:%s"%dll.get_string(for_signature))
    implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
    if implib: listCmd.append("/implib:%s"%implib.get_string(for_signature))
    return listCmd
def _dllSources(target, source, env, for_signature, paramtp):
    listCmd = []
    deffile = env.FindIxes(source, "WINDOWSDEFPREFIX", "WINDOWSDEFSUFFIX")
    for src in source:
        # Check explicitly for a non-None deffile so that the __cmp__
        # method of the base SCons.Util.Proxy class used for some Node
        # proxies doesn't try to use a non-existent __dict__ attribute.
        if deffile and src == deffile:
            # Treat this source as a .def file.
            listCmd.append("/def:%s" % src.get_string(for_signature))
        else:
            # Just treat it as a generic source file.
            listCmd.append(src)
    return listCmd
def windowsShlinkTargets(target, source, env, for_signature):
    return _dllTargets(target, source, env, for_signature, 'SHLIB')
def windowsShlinkSources(target, source, env, for_signature):
    return _dllSources(target, source, env, for_signature, 'SHLIB')
def _windowsLdmodTargets(target, source, env, for_signature):
    """Get targets for loadable modules."""
    return _dllTargets(target, source, env, for_signature, 'LDMODULE')
def _windowsLdmodSources(target, source, env, for_signature):
    """Get sources for loadable modules."""
    return _dllSources(target, source, env, for_signature, 'LDMODULE')
def _dllEmitter(target, source, env, paramtp):
    """Common implementation of dll emitter."""
    SCons.Tool.msvc.validate_vars(env)
    extratargets = []
    extrasources = []
    dll = env.FindIxes(target, '%sPREFIX' % paramtp, '%sSUFFIX' % paramtp)
    no_import_lib = env.get('no_import_lib', 0)
    if not dll:
        raise SCons.Errors.UserError('A shared library should have exactly one target with the suffix: %s' % env.subst('$%sSUFFIX' % paramtp))
    insert_def = env.subst("$WINDOWS_INSERT_DEF")
    if not insert_def in ['', '0', 0] and \
       not env.FindIxes(source, "WINDOWSDEFPREFIX", "WINDOWSDEFSUFFIX"):
        # append a def file to the list of sources
        extrasources.append(
            env.ReplaceIxes(dll,
                            '%sPREFIX' % paramtp, '%sSUFFIX' % paramtp,
                            "WINDOWSDEFPREFIX", "WINDOWSDEFSUFFIX"))
    version_num, suite = SCons.Tool.msvs.msvs_parse_version(env.get('MSVS_VERSION', '6.0'))
    if version_num >= 8.0 and \
            (env.get('WINDOWS_INSERT_MANIFEST', 0) or env.get('WINDOWS_EMBED_MANIFEST', 0)):
        # MSVC 8 and above automatically generate .manifest files that must be installed
        extratargets.append(
            env.ReplaceIxes(dll,
                            '%sPREFIX' % paramtp, '%sSUFFIX' % paramtp,
                            "WINDOWSSHLIBMANIFESTPREFIX", "WINDOWSSHLIBMANIFESTSUFFIX"))
    if 'PDB' in env and env['PDB']:
        pdb = env.arg2nodes('$PDB', target=target, source=source)[0]
        extratargets.append(pdb)
        target[0].attributes.pdb = pdb
    if not no_import_lib and \
       not env.FindIxes(target, "LIBPREFIX", "LIBSUFFIX"):
        # Append an import library to the list of targets.
        extratargets.append(
            env.ReplaceIxes(dll,
                            '%sPREFIX' % paramtp, '%sSUFFIX' % paramtp,
                            "LIBPREFIX", "LIBSUFFIX"))
        # and .exp file is created if there are exports from a DLL
        extratargets.append(
            env.ReplaceIxes(dll,
                            '%sPREFIX' % paramtp, '%sSUFFIX' % paramtp,
                            "WINDOWSEXPPREFIX", "WINDOWSEXPSUFFIX"))
    return (target+extratargets, source+extrasources)
def windowsLibEmitter(target, source, env):
    return _dllEmitter(target, source, env, 'SHLIB')
def ldmodEmitter(target, source, env):
    """Emitter for loadable modules.
    
    Loadable modules are identical to shared libraries on Windows, but building
    them is subject to different parameters (LDMODULE*).
    """
    return _dllEmitter(target, source, env, 'LDMODULE')
def prog_emitter(target, source, env):
    SCons.Tool.msvc.validate_vars(env)
    extratargets = []
    extrasources = []
    exe = env.FindIxes(target, "PROGPREFIX", "PROGSUFFIX")
    if not exe:
        raise SCons.Errors.UserError("An executable should have exactly one target with the suffix: %s" % env.subst("$PROGSUFFIX"))
    version_num, suite = SCons.Tool.msvs.msvs_parse_version(env.get('MSVS_VERSION', '6.0'))
    if version_num >= 8.0 and \
            (env.get('WINDOWS_INSERT_MANIFEST', 0) or env.get('WINDOWS_EMBED_MANIFEST', 0)):
        # MSVC 8 and above automatically generate .manifest files that have to be installed
        extratargets.append(
            env.ReplaceIxes(exe,
                            "PROGPREFIX", "PROGSUFFIX",
                            "WINDOWSPROGMANIFESTPREFIX", "WINDOWSPROGMANIFESTSUFFIX"))
    if 'PDB' in env and env['PDB']:
        pdb = env.arg2nodes('$PDB', target=target, source=source)[0]
        extratargets.append(pdb)
        target[0].attributes.pdb = pdb
    if version_num >= 11.0 and env.get('PCH', 0):
        # MSVC 11 and above need the PCH object file to be added to the link line,
        # otherwise you get link error LNK2011.
        pchobj = SCons.Util.splitext(str(env['PCH']))[0] + '.obj'
        # print "prog_emitter, version %s, appending pchobj %s"%(version_num, pchobj)
        if pchobj not in extrasources:
            extrasources.append(pchobj)
    return (target+extratargets,source+extrasources)
def RegServerFunc(target, source, env):
    if 'register' in env and env['register']:
        ret = regServerAction([target[0]], [source[0]], env)
        if ret:
            raise SCons.Errors.UserError("Unable to register %s" % target[0])
        else:
            print "Registered %s sucessfully" % target[0]
        return ret
    return 0
# These are the actual actions run to embed the manifest.
# They are only called from the Check versions below.
embedManifestExeAction = SCons.Action.Action('$MTEXECOM')
embedManifestDllAction = SCons.Action.Action('$MTSHLIBCOM')
def embedManifestDllCheck(target, source, env):
    """Function run by embedManifestDllCheckAction to check for existence of manifest
    and other conditions, and embed the manifest by calling embedManifestDllAction if so."""
    if env.get('WINDOWS_EMBED_MANIFEST', 0):
        manifestSrc = target[0].abspath + '.manifest'
        if os.path.exists(manifestSrc):


Answer:             ret = (embedManifestDllAction) ([target[0]],None,env)