From: José Fonseca <jfonseca@vmware.com>
Date: Wed, 30 Sep 2009 16:01:24 +0000 (+0100)
Subject: Support building with the WinSDK.
X-Git-Url: https://git.cworth.org/git?a=commitdiff_plain;h=6fd91562b25aa455de841959d86773c44103104b;p=apitrace

Support building with the WinSDK.
---

diff --git a/scons/mslib_sa.py b/scons/mslib_sa.py
new file mode 100644
index 0000000..50d47ee
--- /dev/null
+++ b/scons/mslib_sa.py
@@ -0,0 +1,133 @@
+"""mslib_sa
+
+Tool-specific initialization for lib (MicroSoft library archiver).
+
+Based on SCons.Tool.mslib, without the MSVC detection.
+
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 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.
+#
+
+import os
+import tempfile
+import string
+
+import SCons.Defaults
+import SCons.Tool
+import SCons.Util
+import SCons.Errors
+
+class TempFileMunge:
+    """Same as SCons.Platform.TempFileMunge, but preserves LINK /LIB
+    together.""" 
+
+    def __init__(self, cmd):
+        self.cmd = cmd
+
+    def __call__(self, target, source, env, for_signature):
+        if for_signature:
+            return self.cmd
+        cmd = env.subst_list(self.cmd, 0, target, source)[0]
+        try:
+            maxline = int(env.subst('$MAXLINELENGTH'))
+        except ValueError:
+            maxline = 2048
+
+        if (reduce(lambda x, y: x + len(y), cmd, 0) + len(cmd)) <= maxline:
+            return self.cmd
+
+        # We do a normpath because mktemp() has what appears to be
+        # a bug in Windows that will use a forward slash as a path
+        # delimiter.  Windows's link mistakes that for a command line
+        # switch and barfs.
+        #
+        # We use the .lnk suffix for the benefit of the Phar Lap
+        # linkloc linker, which likes to append an .lnk suffix if
+        # none is given.
+        tmp = os.path.normpath(tempfile.mktemp('.lnk'))
+        native_tmp = SCons.Util.get_native_path(tmp)
+
+        if env['SHELL'] and env['SHELL'] == 'sh':
+            # The sh shell will try to escape the backslashes in the
+            # path, so unescape them.
+            native_tmp = string.replace(native_tmp, '\\', r'\\\\')
+            # In Cygwin, we want to use rm to delete the temporary
+            # file, because del does not exist in the sh shell.
+            rm = env.Detect('rm') or 'del'
+        else:
+            # Don't use 'rm' if the shell is not sh, because rm won't
+            # work with the Windows shells (cmd.exe or command.com) or
+            # Windows path names.
+            rm = 'del'
+
+        prefix = env.subst('$TEMPFILEPREFIX')
+        if not prefix:
+            prefix = '@'
+
+        if cmd[0:2] == ['link', '/lib']:
+            split = 2
+        else:
+            split = 1
+
+        args = map(SCons.Subst.quote_spaces, cmd[split:])
+        open(tmp, 'w').write(string.join(args, " ") + "\n")
+        # XXX Using the SCons.Action.print_actions value directly
+        # like this is bogus, but expedient.  This class should
+        # really be rewritten as an Action that defines the
+        # __call__() and strfunction() methods and lets the
+        # normal action-execution logic handle whether or not to
+        # print/execute the action.  The problem, though, is all
+        # of that is decided before we execute this method as
+        # part of expanding the $TEMPFILE construction variable.
+        # Consequently, refactoring this will have to wait until
+        # we get more flexible with allowing Actions to exist
+        # independently and get strung together arbitrarily like
+        # Ant tasks.  In the meantime, it's going to be more
+        # user-friendly to not let obsession with architectural
+        # purity get in the way of just being helpful, so we'll
+        # reach into SCons.Action directly.
+        if SCons.Action.print_actions:
+            print("Using tempfile "+native_tmp+" for command line:\n"+
+                  " ".join(map(str,cmd)))
+        return cmd[:split] + [ prefix + native_tmp + '\n' + rm, native_tmp ]
+
+def generate(env):
+    """Add Builders and construction variables for lib to an Environment."""
+    SCons.Tool.createStaticLibBuilder(env)
+
+    if env.Detect('lib'):
+        env['AR']          = 'lib'
+    else:
+        # Recent WINDDK versions do not ship with lib.
+        env['AR']          = 'link /lib'
+        env['TEMPFILE']    = TempFileMunge
+    env['ARFLAGS']     = SCons.Util.CLVar('/nologo')
+    env['ARCOM']       = "${TEMPFILE('$AR $ARFLAGS /OUT:$TARGET $SOURCES')}"
+    env['LIBPREFIX']   = ''
+    env['LIBSUFFIX']   = '.lib'
+
+def exists(env):
+    return env.Detect('lib') or env.Detect('link')
+
+# vim:set ts=4 sw=4 et:
diff --git a/scons/mslink_sa.py b/scons/mslink_sa.py
new file mode 100644
index 0000000..53331de
--- /dev/null
+++ b/scons/mslink_sa.py
@@ -0,0 +1,211 @@
+"""mslink_sa
+
+Tool-specific initialization for the Microsoft linker.
+
+Based on SCons.Tool.mslink, without the MSVS detection.
+
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 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.
+#
+
+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.Util
+
+def pdbGenerator(env, target, source, for_signature):
+    try:
+        return ['/PDB:%s' % target[0].attributes.pdb, '/DEBUG']
+    except (AttributeError, IndexError):
+        return None
+
+def windowsShlinkTargets(target, source, env, for_signature):
+    listCmd = []
+    dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
+    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 windowsShlinkSources(target, source, env, for_signature):
+    listCmd = []
+
+    deffile = env.FindIxes(source, "WINDOWSDEFPREFIX", "WINDOWSDEFSUFFIX")
+    for src in source:
+        if 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 windowsLibEmitter(target, source, env):
+    SCons.Tool.msvc.validate_vars(env)
+
+    extratargets = []
+    extrasources = []
+
+    dll = env.FindIxes(target, "SHLIBPREFIX", "SHLIBSUFFIX")
+    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("$SHLIBSUFFIX")
+
+    insert_def = env.subst("$WINDOWS_INSERT_DEF")
+    if not insert_def in ['', '0', 0] and \
+       not env.FindIxes(source, "WINDOWSDEFPREFIX", "WINDOWSDEFSUFFIX"):
+
+        # append a def file to the list of sources
+        extrasources.append(
+            env.ReplaceIxes(dll,
+                            "SHLIBPREFIX", "SHLIBSUFFIX",
+                            "WINDOWSDEFPREFIX", "WINDOWSDEFSUFFIX"))
+
+    if env.has_key('PDB') and env['PDB']:
+        pdb = env.arg2nodes('$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,
+                            "SHLIBPREFIX", "SHLIBSUFFIX",
+                            "LIBPREFIX", "LIBSUFFIX"))
+        # and .exp file is created if there are exports from a DLL
+        extratargets.append(
+            env.ReplaceIxes(dll,
+                            "SHLIBPREFIX", "SHLIBSUFFIX",
+                            "WINDOWSEXPPREFIX", "WINDOWSEXPSUFFIX"))
+
+    return (target+extratargets, source+extrasources)
+
+def prog_emitter(target, source, env):
+    SCons.Tool.msvc.validate_vars(env)
+
+    extratargets = []
+
+    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("$PROGSUFFIX")
+
+    if env.has_key('PDB') and env['PDB']:
+        pdb = env.arg2nodes('$PDB', target=target, source=source)[0]
+        extratargets.append(pdb)
+        target[0].attributes.pdb = pdb
+
+    return (target+extratargets,source)
+
+def RegServerFunc(target, source, env):
+    if env.has_key('register') 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
+
+regServerAction = SCons.Action.Action("$REGSVRCOM", "$REGSVRCOMSTR")
+regServerCheck = SCons.Action.Action(RegServerFunc, None)
+shlibLinkAction = SCons.Action.Action('${TEMPFILE("$SHLINK $SHLINKFLAGS $_SHLINK_TARGETS $( $_LIBDIRFLAGS $) $_LIBFLAGS $_PDB $_SHLINK_SOURCES")}')
+compositeLinkAction = shlibLinkAction + regServerCheck
+
+def generate(env):
+    """Add Builders and construction variables for ar to an Environment."""
+    SCons.Tool.createSharedLibBuilder(env)
+    SCons.Tool.createProgBuilder(env)
+
+    env['SHLINK']      = '$LINK'
+    env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS /dll')
+    env['_SHLINK_TARGETS'] = windowsShlinkTargets
+    env['_SHLINK_SOURCES'] = windowsShlinkSources
+    env['SHLINKCOM']   =  compositeLinkAction
+    env.Append(SHLIBEMITTER = [windowsLibEmitter])
+    env['LINK']        = 'link'
+    env['LINKFLAGS']   = SCons.Util.CLVar('/nologo')
+    env['_PDB'] = pdbGenerator
+    env['LINKCOM'] = '${TEMPFILE("$LINK $LINKFLAGS /OUT:$TARGET.windows $( $_LIBDIRFLAGS $) $_LIBFLAGS $_PDB $SOURCES.windows")}'
+    env.Append(PROGEMITTER = [prog_emitter])
+    env['LIBDIRPREFIX']='/LIBPATH:'
+    env['LIBDIRSUFFIX']=''
+    env['LIBLINKPREFIX']=''
+    env['LIBLINKSUFFIX']='$LIBSUFFIX'
+
+    env['WIN32DEFPREFIX']        = ''
+    env['WIN32DEFSUFFIX']        = '.def'
+    env['WIN32_INSERT_DEF']      = 0
+    env['WINDOWSDEFPREFIX']      = '${WIN32DEFPREFIX}'
+    env['WINDOWSDEFSUFFIX']      = '${WIN32DEFSUFFIX}'
+    env['WINDOWS_INSERT_DEF']    = '${WIN32_INSERT_DEF}'
+
+    env['WIN32EXPPREFIX']        = ''
+    env['WIN32EXPSUFFIX']        = '.exp'
+    env['WINDOWSEXPPREFIX']      = '${WIN32EXPPREFIX}'
+    env['WINDOWSEXPSUFFIX']      = '${WIN32EXPSUFFIX}'
+
+    env['WINDOWSSHLIBMANIFESTPREFIX'] = ''
+    env['WINDOWSSHLIBMANIFESTSUFFIX'] = '${SHLIBSUFFIX}.manifest'
+    env['WINDOWSPROGMANIFESTPREFIX']  = ''
+    env['WINDOWSPROGMANIFESTSUFFIX']  = '${PROGSUFFIX}.manifest'
+
+    env['REGSVRACTION'] = regServerCheck
+    env['REGSVR'] = os.path.join(SCons.Platform.win32.get_system_root(),'System32','regsvr32')
+    env['REGSVRFLAGS'] = '/s '
+    env['REGSVRCOM'] = '$REGSVR $REGSVRFLAGS ${TARGET.windows}'
+
+    # For most platforms, a loadable module is the same as a shared
+    # library.  Platforms which are different can override these, but
+    # setting them the same means that LoadableModule works everywhere.
+    SCons.Tool.createLoadableModuleBuilder(env)
+    env['LDMODULE'] = '$SHLINK'
+    env['LDMODULEPREFIX'] = '$SHLIBPREFIX'
+    env['LDMODULESUFFIX'] = '$SHLIBSUFFIX'
+    env['LDMODULEFLAGS'] = '$SHLINKFLAGS'
+    # We can't use '$SHLINKCOM' here because that will stringify the
+    # action list on expansion, and will then try to execute expanded
+    # strings, with the upshot that it would try to execute RegServerFunc
+    # as a command.
+    env['LDMODULECOM'] = compositeLinkAction
+
+def exists(env):
+    platform = env.get('PLATFORM', '')
+    if platform in ('win32', 'cygwin'):
+        # Only explicitly search for a 'link' executable on Windows
+        # systems.  Some other systems (e.g. Ubuntu Linux) have an
+        # executable named 'link' and we don't want that to make SCons
+        # think Visual Studio is installed.
+        return env.Detect('link')
+    return None
+
+# vim:set ts=4 sw=4 et:
diff --git a/scons/msvc_sa.py b/scons/msvc_sa.py
new file mode 100644
index 0000000..136d305
--- /dev/null
+++ b/scons/msvc_sa.py
@@ -0,0 +1,173 @@
+"""msvc_sa
+
+Tool-specific initialization for Microsoft Visual C/C++.
+
+Based on SCons.Tool.msvc, without the MSVS detection.
+
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 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.
+#
+
+import os.path
+import re
+import string
+
+import SCons.Action
+import SCons.Builder
+import SCons.Errors
+import SCons.Platform.win32
+import SCons.Tool
+import SCons.Util
+import SCons.Warnings
+
+CSuffixes = ['.c', '.C']
+CXXSuffixes = ['.cc', '.cpp', '.cxx', '.c++', '.C++']
+
+def validate_vars(env):
+    """Validate the PCH and PCHSTOP construction variables."""
+    if env.has_key('PCH') and env['PCH']:
+        if not env.has_key('PCHSTOP'):
+            raise SCons.Errors.UserError, "The PCHSTOP construction must be defined if PCH is defined."
+        if not SCons.Util.is_String(env['PCHSTOP']):
+            raise SCons.Errors.UserError, "The PCHSTOP construction variable must be a string: %r"%env['PCHSTOP']
+
+def pch_emitter(target, source, env):
+    """Adds the object file target."""
+
+    validate_vars(env)
+
+    pch = None
+    obj = None
+
+    for t in target:
+        if SCons.Util.splitext(str(t))[1] == '.pch':
+            pch = t
+        if SCons.Util.splitext(str(t))[1] == '.obj':
+            obj = t
+
+    if not obj:
+        obj = SCons.Util.splitext(str(pch))[0]+'.obj'
+
+    target = [pch, obj] # pch must be first, and obj second for the PCHCOM to work
+
+    return (target, source)
+
+def object_emitter(target, source, env, parent_emitter):
+    """Sets up the PCH dependencies for an object file."""
+
+    validate_vars(env)
+
+    parent_emitter(target, source, env)
+
+    if env.has_key('PCH') and env['PCH']:
+        env.Depends(target, env['PCH'])
+
+    return (target, source)
+
+def static_object_emitter(target, source, env):
+    return object_emitter(target, source, env,
+                          SCons.Defaults.StaticObjectEmitter)
+
+def shared_object_emitter(target, source, env):
+    return object_emitter(target, source, env,
+                          SCons.Defaults.SharedObjectEmitter)
+
+pch_action = SCons.Action.Action('$PCHCOM', '$PCHCOMSTR')
+pch_builder = SCons.Builder.Builder(action=pch_action, suffix='.pch',
+                                    emitter=pch_emitter,
+                                    source_scanner=SCons.Tool.SourceFileScanner)
+res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
+res_builder = SCons.Builder.Builder(action=res_action,
+                                    src_suffix='.rc',
+                                    suffix='.res',
+                                    src_builder=[],
+                                    source_scanner=SCons.Tool.SourceFileScanner)
+SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)
+
+def generate(env):
+    """Add Builders and construction variables for MSVC++ to an Environment."""
+    static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
+
+    for suffix in CSuffixes:
+        static_obj.add_action(suffix, SCons.Defaults.CAction)
+        shared_obj.add_action(suffix, SCons.Defaults.ShCAction)
+        static_obj.add_emitter(suffix, static_object_emitter)
+        shared_obj.add_emitter(suffix, shared_object_emitter)
+
+    for suffix in CXXSuffixes:
+        static_obj.add_action(suffix, SCons.Defaults.CXXAction)
+        shared_obj.add_action(suffix, SCons.Defaults.ShCXXAction)
+        static_obj.add_emitter(suffix, static_object_emitter)
+        shared_obj.add_emitter(suffix, shared_object_emitter)
+
+    env['CCPDBFLAGS'] = SCons.Util.CLVar(['${(PDB and "/Z7") or ""}'])
+    env['CCPCHFLAGS'] = SCons.Util.CLVar(['${(PCH and "/Yu%s /Fp%s"%(PCHSTOP or "",File(PCH))) or ""}'])
+    env['CCCOMFLAGS'] = '$CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS /c $SOURCES /Fo$TARGET $CCPCHFLAGS $CCPDBFLAGS'
+    env['CC']         = 'cl'
+    env['CCFLAGS']    = SCons.Util.CLVar('/nologo')
+    env['CFLAGS']     = SCons.Util.CLVar('')
+    env['CCCOM']      = '$CC $CFLAGS $CCFLAGS $CCCOMFLAGS'
+    env['SHCC']       = '$CC'
+    env['SHCCFLAGS']  = SCons.Util.CLVar('$CCFLAGS')
+    env['SHCFLAGS']   = SCons.Util.CLVar('$CFLAGS')
+    env['SHCCCOM']    = '$SHCC $SHCFLAGS $SHCCFLAGS $CCCOMFLAGS'
+    env['CXX']        = '$CC'
+    env['CXXFLAGS']   = SCons.Util.CLVar('$CCFLAGS $( /TP $)')
+    env['CXXCOM']     = '$CXX $CXXFLAGS $CCCOMFLAGS'
+    env['SHCXX']      = '$CXX'
+    env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
+    env['SHCXXCOM']   = '$SHCXX $SHCXXFLAGS $CCCOMFLAGS'
+    env['CPPDEFPREFIX']  = '/D'
+    env['CPPDEFSUFFIX']  = ''
+    env['INCPREFIX']  = '/I'
+    env['INCSUFFIX']  = ''
+#    env.Append(OBJEMITTER = [static_object_emitter])
+#    env.Append(SHOBJEMITTER = [shared_object_emitter])
+    env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
+
+    env['RC'] = 'rc'
+    env['RCFLAGS'] = SCons.Util.CLVar('')
+    env['RCCOM'] = '$RC $_CPPDEFFLAGS $_CPPINCFLAGS $RCFLAGS /fo$TARGET $SOURCES'
+    env['BUILDERS']['RES'] = res_builder
+    env['OBJPREFIX']      = ''
+    env['OBJSUFFIX']      = '.obj'
+    env['SHOBJPREFIX']    = '$OBJPREFIX'
+    env['SHOBJSUFFIX']    = '$OBJSUFFIX'
+
+    env['CFILESUFFIX'] = '.c'
+    env['CXXFILESUFFIX'] = '.cc'
+
+    env['PCHPDBFLAGS'] = SCons.Util.CLVar(['${(PDB and "/Yd") or ""}'])
+    env['PCHCOM'] = '$CXX $CXXFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS /c $SOURCES /Fo${TARGETS[1]} /Yc$PCHSTOP /Fp${TARGETS[0]} $CCPDBFLAGS $PCHPDBFLAGS'
+    env['BUILDERS']['PCH'] = pch_builder
+
+    if not env.has_key('ENV'):
+        env['ENV'] = {}
+    if not env['ENV'].has_key('SystemRoot'):    # required for dlls in the winsxs folders
+        env['ENV']['SystemRoot'] = SCons.Platform.win32.get_system_root()
+
+def exists(env):
+    return env.Detect('cl')
+
+# vim:set ts=4 sw=4 et:
diff --git a/scons/winsdk.py b/scons/winsdk.py
new file mode 100644
index 0000000..7e874a5
--- /dev/null
+++ b/scons/winsdk.py
@@ -0,0 +1,131 @@
+"""winsdk
+
+Tool-specific initialization for Microsoft Windows SDK.
+
+"""
+
+#
+# Copyright (c) 2001-2007 The SCons Foundation
+# Copyright (c) 2008 Tungsten Graphics, Inc.
+# Copyright (c) 2009 VMware, Inc.
+#
+# 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.
+#
+
+import os.path
+import platform
+
+import SCons.Errors
+import SCons.Util
+
+import msvc_sa
+import mslib_sa
+import mslink_sa
+
+
+def get_vs_root(env):
+    # TODO: Check HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio\SxS\VS7 
+    path = os.path.join(os.getenv('ProgramFiles', r'C:\Program Files'), 'Microsoft Visual Studio 9.0')
+    return path 
+
+def get_vs_paths(env):
+    vs_root = get_vs_root(env)
+    if vs_root is None:
+        raise SCons.Errors.InternalError, "WINSDK compiler not found"
+
+    tool_path = os.path.join(vs_root, 'Common7', 'IDE')
+
+    env.PrependENVPath('PATH', tool_path)
+
+def get_vc_root(env):
+    # TODO: Check HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio\SxS\VC7 
+    path = os.path.join(os.getenv('ProgramFiles', r'C:\Program Files'), 'Microsoft Visual Studio 9.0', 'VC')
+    return path 
+
+def get_vc_paths(env):
+    vc_root = get_vc_root(env)
+    if vc_root is None:
+        raise SCons.Errors.InternalError, "WINSDK compiler not found"
+
+    target_cpu = env['machine']
+
+    if target_cpu in ('generic', 'x86'):
+        bin_dir = 'bin'
+        lib_dir = 'lib'
+    elif target_cpu == 'x86_64':
+        # TODO: take in consideration the host cpu
+        bin_dir = r'bin\x86_amd64'
+        lib_dir = r'lib\amd64'
+    else:
+        raise SCons.Errors.InternalError, "Unsupported target machine"
+    include_dir = 'include'
+
+    env.PrependENVPath('PATH',    os.path.join(vc_root, bin_dir))
+    env.PrependENVPath('INCLUDE', os.path.join(vc_root, include_dir))
+    env.PrependENVPath('LIB',     os.path.join(vc_root, lib_dir))
+
+def get_sdk_root(env):
+    if SCons.Util.can_read_reg:
+        key = r'SOFTWARE\Microsoft\Microsoft SDKs\Windows\CurrentInstallFolder'
+        try:
+            path, t = SCons.Util.RegGetValue(SCons.Util.HKEY_LOCAL_MACHINE, key)
+        except SCons.Util.RegError:
+            pass
+        else:
+            return path
+
+    return None 
+
+def get_sdk_paths(env):
+    sdk_root = get_sdk_root(env)
+    if sdk_root is None:
+        raise SCons.Errors.InternalError, "WINSDK not found"
+
+    target_cpu = env['machine']
+
+    bin_dir = 'Bin'
+    if target_cpu in ('generic', 'x86'):
+        lib_dir = 'Lib'
+    elif target_cpu == 'x86_64':
+        lib_dir = r'Lib\x64'
+    else:
+        raise SCons.Errors.InternalError, "Unsupported target machine"
+    include_dir = 'Include'
+
+    env.PrependENVPath('PATH',    os.path.join(sdk_root, bin_dir))
+    env.PrependENVPath('INCLUDE', os.path.join(sdk_root, include_dir))
+    env.PrependENVPath('LIB',     os.path.join(sdk_root, lib_dir))
+
+def generate(env):
+    if not env.has_key('ENV'):
+        env['ENV'] = {}
+    
+    get_vs_paths(env)
+    get_vc_paths(env)
+    get_sdk_paths(env)
+
+    msvc_sa.generate(env)
+    mslib_sa.generate(env)
+    mslink_sa.generate(env)
+
+def exists(env):
+    return get_vc_root(env) is not None and get_sdk_root(env) is not None
+
+# vim:set ts=4 sw=4 et: