mesa: merge gallium-0.2 into gallium-master-merge

Merge commit 'origin/gallium-0.2' into gallium-master-merge

Conflicts:

	Makefile
	docs/relnotes-7.4.html
	docs/relnotes.html
	src/mesa/drivers/dri/i965/brw_wm.h
	src/mesa/main/imports.c
	src/mesa/main/mtypes.h
	src/mesa/main/texcompress.c
	src/mesa/main/texenvprogram.c
	src/mesa/main/version.h
	src/mesa/vbo/vbo_exec_api.c
	src/mesa/vbo/vbo_save_draw.c

9 files changed, 2018 insertions, 0 deletions

diff --git a/scons/crossmingw.py b/scons/crossmingw.py
new file mode 100644
index 0000000000..bf81f16fd6
--- /dev/null
+++ b/scons/crossmingw.py
@@ -0,0 +1,185 @@
+"""SCons.Tool.gcc
+
+Tool-specific initialization for MinGW (http://www.mingw.org/)
+
+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.
+
+See also http://www.scons.org/wiki/CrossCompilingMingw
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004 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 os.path
+import string
+
+import SCons.Action
+import SCons.Builder
+import SCons.Tool
+import SCons.Util
+
+# This is what we search for to find mingw:
+prefixes = SCons.Util.Split("""
+    mingw32-
+    mingw32msvc-
+    i386-mingw32-
+    i486-mingw32-
+    i586-mingw32-
+    i686-mingw32-
+    i386-mingw32msvc-
+    i486-mingw32msvc-
+    i586-mingw32msvc-
+    i686-mingw32msvc-
+""")
+
+def find(env):
+    for prefix in prefixes:
+        # First search in the SCons path and then the OS path:
+        if env.WhereIs(prefix + 'gcc') or SCons.Util.WhereIs(prefix + 'gcc'):
+            return prefix
+
+    return ''
+
+def shlib_generator(target, source, env, for_signature):
+    cmd = SCons.Util.CLVar(['$SHLINK', '$SHLINKFLAGS']) 
+
+    dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
+    if dll: cmd.extend(['-o', dll])
+
+    cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
+
+    implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
+    if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))
+
+    def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
+    if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature))
+
+    return [cmd]
+
+def shlib_emitter(target, source, env):
+    dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
+    no_import_lib = env.get('no_import_lib', 0)
+
+    if not dll:
+        raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")
+    
+    if not no_import_lib and \
+       not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
+
+        # Append an import library to the list of targets.
+        target.append(env.ReplaceIxes(dll,  
+                                      'SHLIBPREFIX', 'SHLIBSUFFIX',
+                                      'LIBPREFIX', 'LIBSUFFIX'))
+
+    # Append a def file target if there isn't already a def file target
+    # or a def file source. There is no option to disable def file
+    # target emitting, because I can't figure out why someone would ever
+    # want to turn it off.
+    def_source = env.FindIxes(source, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
+    def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
+    if not def_source and not def_target:
+        target.append(env.ReplaceIxes(dll,  
+                                      'SHLIBPREFIX', 'SHLIBSUFFIX',
+                                      'WIN32DEFPREFIX', 'WIN32DEFSUFFIX'))
+    
+    return (target, source)
+                         
+
+shlib_action = SCons.Action.Action(shlib_generator, generator=1)
+
+res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
+
+res_builder = SCons.Builder.Builder(action=res_action, suffix='.o',
+                                    source_scanner=SCons.Tool.SourceFileScanner)
+SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)
+
+def generate(env):
+    mingw_prefix = find(env)
+
+    if mingw_prefix:
+        dir = os.path.dirname(env.WhereIs(mingw_prefix + 'gcc') or SCons.Util.WhereIs(mingw_prefix + 'gcc'))
+
+        # The mingw bin directory must be added to the path:
+        path = env['ENV'].get('PATH', [])
+        if not path: 
+            path = []
+        if SCons.Util.is_String(path):
+            path = string.split(path, os.pathsep)
+
+        env['ENV']['PATH'] = string.join([dir] + path, os.pathsep)
+
+    # Most of mingw is the same as gcc and friends...
+    gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas']
+    for tool in gnu_tools:
+        SCons.Tool.Tool(tool)(env)
+
+    #... but a few things differ:
+    env['CC'] = mingw_prefix + 'gcc'
+    env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
+    env['CXX'] = mingw_prefix + 'g++'
+    env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
+    env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
+    env['SHLINKCOM']   = shlib_action
+    env.Append(SHLIBEMITTER = [shlib_emitter])
+    env['LINK'] = mingw_prefix + 'g++'
+    env['AR'] = mingw_prefix + 'ar'
+    env['RANLIB'] = mingw_prefix + 'ranlib'
+    env['LINK'] = mingw_prefix + 'g++'
+    env['AS'] = mingw_prefix + 'as'
+    env['WIN32DEFPREFIX']        = ''
+    env['WIN32DEFSUFFIX']        = '.def'
+    env['SHOBJSUFFIX'] = '.o'
+    env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
+
+    env['RC'] = mingw_prefix + 'windres'
+    env['RCFLAGS'] = SCons.Util.CLVar('')
+    env['RCCOM'] = '$RC $_CPPDEFFLAGS $_CPPINCFLAGS ${INCPREFIX}${SOURCE.dir} $RCFLAGS -i $SOURCE -o $TARGET'
+    env['BUILDERS']['RES'] = res_builder
+    
+    # Some setting from the platform also have to be overridden:
+    env['OBJPREFIX']      = ''
+    env['OBJSUFFIX']      = '.o'
+    env['SHOBJPREFIX']    = '$OBJPREFIX'
+    env['SHOBJSUFFIX']    = '$OBJSUFFIX'
+    env['PROGPREFIX']     = ''
+    env['PROGSUFFIX']     = '.exe'
+    env['LIBPREFIX']      = 'lib'
+    env['LIBSUFFIX']      = '.a'
+    env['SHLIBPREFIX']    = ''
+    env['SHLIBSUFFIX']    = '.dll'
+    env['LIBPREFIXES']    = [ 'lib', '' ]
+    env['LIBSUFFIXES']    = [ '.a', '.lib' ]
+
+    # MinGW port of gdb does not handle well dwarf debug info which is the
+    # default in recent gcc versions
+    env.AppendUnique(CFLAGS = ['-gstabs'])
+
+    env.AppendUnique(LIBS = ['iberty'])
+    env.AppendUnique(SHLINKFLAGS = ['-Wl,--enable-stdcall-fixup'])
+    #env.AppendUnique(SHLINKFLAGS = ['-Wl,--kill-at'])
+
+def exists(env):
+    return find(env)
diff --git a/scons/gallium.py b/scons/gallium.py
new file mode 100644
index 0000000000..065c53c54b
--- /dev/null
+++ b/scons/gallium.py
@@ -0,0 +1,473 @@
+"""gallium
+
+Frontend-tool for Gallium3D architecture.
+
+"""
+
+#
+# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# All Rights Reserved.
+#
+# 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, sub license, 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 (including the
+# next paragraph) 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 NON-INFRINGEMENT.
+# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 os.path
+import re
+
+import SCons.Action
+import SCons.Builder
+import SCons.Scanner
+
+
+def quietCommandLines(env):
+    # Quiet command lines
+    # See also http://www.scons.org/wiki/HidingCommandLinesInOutput
+    env['CCCOMSTR'] = "Compiling $SOURCE ..."
+    env['CXXCOMSTR'] = "Compiling $SOURCE ..."
+    env['ARCOMSTR'] = "Archiving $TARGET ..."
+    env['RANLIBCOMSTR'] = ""
+    env['LINKCOMSTR'] = "Linking $TARGET ..."
+
+
+def createConvenienceLibBuilder(env):
+    """This is a utility function that creates the ConvenienceLibrary
+    Builder in an Environment if it is not there already.
+
+    If it is already there, we return the existing one.
+
+    Based on the stock StaticLibrary and SharedLibrary builders.
+    """
+
+    try:
+        convenience_lib = env['BUILDERS']['ConvenienceLibrary']
+    except KeyError:
+        action_list = [ SCons.Action.Action("$ARCOM", "$ARCOMSTR") ]
+        if env.Detect('ranlib'):
+            ranlib_action = SCons.Action.Action("$RANLIBCOM", "$RANLIBCOMSTR")
+            action_list.append(ranlib_action)
+
+        convenience_lib = SCons.Builder.Builder(action = action_list,
+                                  emitter = '$LIBEMITTER',
+                                  prefix = '$LIBPREFIX',
+                                  suffix = '$LIBSUFFIX',
+                                  src_suffix = '$SHOBJSUFFIX',
+                                  src_builder = 'SharedObject')
+        env['BUILDERS']['ConvenienceLibrary'] = convenience_lib
+
+    return convenience_lib
+
+
+# TODO: handle import statements with multiple modules
+# TODO: handle from import statements
+import_re = re.compile(r'^import\s+(\S+)$', re.M)
+
+def python_scan(node, env, path):
+    # http://www.scons.org/doc/0.98.5/HTML/scons-user/c2781.html#AEN2789
+    contents = node.get_contents()
+    source_dir = node.get_dir()
+    imports = import_re.findall(contents)
+    results = []
+    for imp in imports:
+        for dir in path:
+            file = os.path.join(str(dir), imp.replace('.', os.sep) + '.py')
+            if os.path.exists(file):
+                results.append(env.File(file))
+                break
+            file = os.path.join(str(dir), imp.replace('.', os.sep), '__init__.py')
+            if os.path.exists(file):
+                results.append(env.File(file))
+                break
+    return results
+
+python_scanner = SCons.Scanner.Scanner(function = python_scan, skeys = ['.py'])
+
+
+def code_generate(env, script, target, source, command):
+    """Method to simplify code generation via python scripts.
+
+    http://www.scons.org/wiki/UsingCodeGenerators
+    http://www.scons.org/doc/0.98.5/HTML/scons-user/c2768.html
+    """
+
+    # We're generating code using Python scripts, so we have to be
+    # careful with our scons elements.  This entry represents
+    # the generator file *in the source directory*.
+    script_src = env.File(script).srcnode()
+
+    # This command creates generated code *in the build directory*.
+    command = command.replace('$SCRIPT', script_src.path)
+    code = env.Command(target, source, command)
+
+    # Explicitly mark that the generated code depends on the generator,
+    # and on implicitly imported python modules
+    path = (script_src.get_dir(),)
+    deps = [script_src]
+    deps += script_src.get_implicit_deps(env, python_scanner, path)
+    env.Depends(code, deps)
+
+    # Running the Python script causes .pyc files to be generated in the
+    # source directory.  When we clean up, they should go too. So add side
+    # effects for .pyc files
+    for dep in deps:
+        pyc = env.File(str(dep) + 'c')
+        env.SideEffect(pyc, code)
+
+    return code
+
+
+def createCodeGenerateMethod(env):
+    env.Append(SCANNERS = python_scanner)
+    env.AddMethod(code_generate, 'CodeGenerate')
+
+
+def symlink(target, source, env):
+    target = str(target[0])
+    source = str(source[0])
+    if os.path.islink(target) or os.path.exists(target):
+        os.remove(target)
+    os.symlink(os.path.basename(source), target)
+
+def install_shared_library(env, source, version = ()):
+    source = str(source[0])
+    version = tuple(map(str, version))
+    target_dir =  os.path.join(env.Dir('#.').srcnode().abspath, env['build'], 'lib')
+    target_name = '.'.join((str(source),) + version)
+    last = env.InstallAs(os.path.join(target_dir, target_name), source)
+    while len(version):
+        version = version[:-1]
+        target_name = '.'.join((str(source),) + version)
+        action = SCons.Action.Action(symlink, "$TARGET -> $SOURCE")
+        last = env.Command(os.path.join(target_dir, target_name), last, action) 
+
+def createInstallMethods(env):
+    env.AddMethod(install_shared_library, 'InstallSharedLibrary')
+
+
+def generate(env):
+    """Common environment generation code"""
+
+    # FIXME: this is already too late
+    #if env.get('quiet', False):
+    #    quietCommandLines(env)
+
+    # Toolchain
+    platform = env['platform']
+    if env['toolchain'] == 'default':
+        if platform == 'winddk':
+            env['toolchain'] = 'winddk'
+        elif platform == 'wince':
+            env['toolchain'] = 'wcesdk'
+    env.Tool(env['toolchain'])
+
+    # shortcuts
+    debug = env['debug']
+    machine = env['machine']
+    platform = env['platform']
+    x86 = env['machine'] == 'x86'
+    ppc = env['machine'] == 'ppc'
+    gcc = env['platform'] in ('linux', 'freebsd', 'darwin') or env['toolchain'] == 'crossmingw'
+    msvc = env['platform'] in ('windows', 'winddk', 'wince') and env['toolchain'] != 'crossmingw'
+
+    # Put build output in a separate dir, which depends on the current
+    # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
+    build_topdir = 'build'
+    build_subdir = env['platform']
+    if env['llvm']:
+        build_subdir += "-llvm"
+    if env['machine'] != 'generic':
+        build_subdir += '-' + env['machine']
+    if env['debug']:
+        build_subdir += "-debug"
+    if env['profile']:
+        build_subdir += "-profile"
+    build_dir = os.path.join(build_topdir, build_subdir)
+    # Place the .sconsign file in the build dir too, to avoid issues with
+    # different scons versions building the same source file
+    env['build'] = build_dir
+    env.SConsignFile(os.path.join(build_dir, '.sconsign'))
+    env.CacheDir('build/cache')
+
+    # C preprocessor options
+    cppdefines = []
+    if debug:
+        cppdefines += ['DEBUG']
+    else:
+        cppdefines += ['NDEBUG']
+    if env['profile']:
+        cppdefines += ['PROFILE']
+    if platform == 'windows':
+        cppdefines += [
+            'WIN32',
+            '_WINDOWS',
+            #'_UNICODE',
+            #'UNICODE',
+            ('_WIN32_WINNT', '0x0501'), # minimum required OS version
+            ('WINVER', '0x0501'),
+            # http://msdn2.microsoft.com/en-us/library/6dwk3a1z.aspx,
+            'WIN32_LEAN_AND_MEAN',
+            'VC_EXTRALEAN',
+            '_CRT_SECURE_NO_DEPRECATE',
+        ]
+        if debug:
+            cppdefines += ['_DEBUG']
+    if platform == 'winddk':
+        # Mimic WINDDK's builtin flags. See also:
+        # - WINDDK's bin/makefile.new i386mk.inc for more info.
+        # - buildchk_wxp_x86.log files, generated by the WINDDK's build
+        # - http://alter.org.ua/docs/nt_kernel/vc8_proj/
+        cppdefines += [
+            ('_X86_', '1'),
+            ('i386', '1'),
+            'STD_CALL',
+            ('CONDITION_HANDLING', '1'),
+            ('NT_INST', '0'),
+            ('WIN32', '100'),
+            ('_NT1X_', '100'),
+            ('WINNT', '1'),
+            ('_WIN32_WINNT', '0x0501'), # minimum required OS version
+            ('WINVER', '0x0501'),
+            ('_WIN32_IE', '0x0603'),
+            ('WIN32_LEAN_AND_MEAN', '1'),
+            ('DEVL', '1'),
+            ('__BUILDMACHINE__', 'WinDDK'),
+            ('FPO', '0'),
+        ]
+        if debug:
+            cppdefines += [('DBG', 1)]
+    if platform == 'wince':
+        cppdefines += [
+            '_CRT_SECURE_NO_DEPRECATE',
+            '_USE_32BIT_TIME_T',
+            'UNICODE',
+            '_UNICODE',
+            ('UNDER_CE', '600'),
+            ('_WIN32_WCE', '0x600'),
+            'WINCEOEM',
+            'WINCEINTERNAL',
+            'WIN32',
+            'STRICT',
+            'x86',
+            '_X86_',
+            'INTERNATIONAL',
+            ('INTLMSG_CODEPAGE', '1252'),
+        ]
+    if platform == 'windows':
+        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_USER']
+    if platform == 'winddk':
+        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_DISPLAY']
+    if platform == 'wince':
+        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE']
+        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE_OGL']
+    env.Append(CPPDEFINES = cppdefines)
+
+    # C preprocessor includes
+    if platform == 'winddk':
+        env.Append(CPPPATH = [
+            env['SDK_INC_PATH'],
+            env['DDK_INC_PATH'],
+            env['WDM_INC_PATH'],
+            env['CRT_INC_PATH'],
+        ])
+
+    # C compiler options
+    cflags = []
+    if gcc:
+        if debug:
+            cflags += ['-O0', '-g3']
+        else:
+            cflags += ['-O3', '-g3']
+        if env['profile']:
+            cflags += ['-pg']
+        if env['machine'] == 'x86':
+            cflags += [
+                '-m32',
+                #'-march=pentium4',
+                '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
+                #'-mfpmath=sse',
+            ]
+        if env['machine'] == 'x86_64':
+            cflags += ['-m64']
+        cflags += [
+            '-Wall',
+            '-Wmissing-prototypes',
+            '-Wno-long-long',
+            '-ffast-math',
+            '-std=gnu99',
+            '-fmessage-length=0', # be nice to Eclipse
+        ]
+    if msvc:
+        # See also:
+        # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
+        # - cl /?
+        if debug:
+            cflags += [
+              '/Od', # disable optimizations
+              '/Oi', # enable intrinsic functions
+              '/Oy-', # disable frame pointer omission
+            ]
+        else:
+            cflags += [
+              '/Ox', # maximum optimizations
+              '/Oi', # enable intrinsic functions
+              '/Ot', # favor code speed
+              #'/fp:fast', # fast floating point 
+            ]
+        if env['profile']:
+            cflags += [
+                '/Gh', # enable _penter hook function
+                '/GH', # enable _pexit hook function
+            ]
+        cflags += [
+            '/W3', # warning level
+            #'/Wp64', # enable 64 bit porting warnings
+        ]
+        if env['machine'] == 'x86':
+            cflags += [
+                #'/QIfist', # Suppress _ftol
+                #'/arch:SSE2', # use the SSE2 instructions
+            ]
+        if platform == 'windows':
+            cflags += [
+                # TODO
+            ]
+        if platform == 'winddk':
+            cflags += [
+                '/Zl', # omit default library name in .OBJ
+                '/Zp8', # 8bytes struct member alignment
+                '/Gy', # separate functions for linker
+                '/Gm-', # disable minimal rebuild
+                '/WX', # treat warnings as errors
+                '/Gz', # __stdcall Calling convention
+                '/GX-', # disable C++ EH
+                '/GR-', # disable C++ RTTI
+                '/GF', # enable read-only string pooling
+                '/G6', # optimize for PPro, P-II, P-III
+                '/Ze', # enable extensions
+                '/Gi-', # disable incremental compilation
+                '/QIfdiv-', # disable Pentium FDIV fix
+                '/hotpatch', # prepares an image for hotpatching.
+                #'/Z7', #enable old-style debug info
+            ]
+        if platform == 'wince':
+            # See also C:\WINCE600\public\common\oak\misc\makefile.def
+            cflags += [
+                '/Zl', # omit default library name in .OBJ
+                '/GF', # enable read-only string pooling
+                '/GR-', # disable C++ RTTI
+                '/GS', # enable security checks
+                # Allow disabling language conformance to maintain backward compat
+                #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef
+                #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules
+                #'/wd4867',
+                #'/wd4430',
+                #'/MT',
+                #'/U_MT',
+            ]
+        # Automatic pdb generation
+        # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
+        env.EnsureSConsVersion(0, 98, 0)
+        env['PDB'] = '${TARGET.base}.pdb'
+    env.Append(CFLAGS = cflags)
+    env.Append(CXXFLAGS = cflags)
+
+    if env['platform'] == 'windows' and msvc:
+        # Choose the appropriate MSVC CRT
+        # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
+        if env['debug']:
+            env.Append(CCFLAGS = ['/MTd'])
+            env.Append(SHCCFLAGS = ['/LDd'])
+        else:
+            env.Append(CCFLAGS = ['/MT'])
+            env.Append(SHCCFLAGS = ['/LD'])
+    
+    # Assembler options
+    if gcc:
+        if env['machine'] == 'x86':
+            env.Append(ASFLAGS = ['-m32'])
+        if env['machine'] == 'x86_64':
+            env.Append(ASFLAGS = ['-m64'])
+
+    # Linker options
+    linkflags = []
+    if gcc:
+        if env['machine'] == 'x86':
+            linkflags += ['-m32']
+        if env['machine'] == 'x86_64':
+            linkflags += ['-m64']
+    if platform == 'winddk':
+        # See also:
+        # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
+        linkflags += [
+            '/merge:_PAGE=PAGE',
+            '/merge:_TEXT=.text',
+            '/section:INIT,d',
+            '/opt:ref',
+            '/opt:icf',
+            '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221',
+            '/incremental:no',
+            '/fullbuild',
+            '/release',
+            '/nodefaultlib',
+            '/wx',
+            '/debug',
+            '/debugtype:cv',
+            '/version:5.1',
+            '/osversion:5.1',
+            '/functionpadmin:5',
+            '/safeseh',
+            '/pdbcompress',
+            '/stack:0x40000,0x1000',
+            '/driver',
+            '/align:0x80',
+            '/subsystem:native,5.01',
+            '/base:0x10000',
+
+            '/entry:DrvEnableDriver',
+        ]
+        if env['profile']:
+            linkflags += [
+                '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
+            ]
+    if platform == 'wince':
+        linkflags += [
+            '/nodefaultlib',
+            #'/incremental:no',
+            #'/fullbuild',
+            '/entry:_DllMainCRTStartup',
+        ]
+    env.Append(LINKFLAGS = linkflags)
+
+    # Default libs
+    env.Append(LIBS = [])
+
+    # Custom builders and methods
+    createConvenienceLibBuilder(env)
+    createCodeGenerateMethod(env)
+    createInstallMethods(env)
+
+    # for debugging
+    #print env.Dump()
+
+
+def exists(env):
+    return 1
diff --git a/scons/generic.py b/scons/generic.py
new file mode 100644
index 0000000000..05f7356b76
--- /dev/null
+++ b/scons/generic.py
@@ -0,0 +1,551 @@
+"""generic
+
+Generic tool that provides a commmon ground for all platforms.
+
+"""
+
+#
+# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# All Rights Reserved.
+#
+# 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, sub license, 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 (including the
+# next paragraph) 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 NON-INFRINGEMENT.
+# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 os.path
+import re
+import platform as _platform
+import sys
+
+import SCons.Action
+import SCons.Builder
+import SCons.Scanner
+
+
+def quietCommandLines(env):
+    # Quiet command lines
+    # See also http://www.scons.org/wiki/HidingCommandLinesInOutput
+    env['CCCOMSTR'] = "Compiling $SOURCE ..."
+    env['CXXCOMSTR'] = "Compiling $SOURCE ..."
+    env['ARCOMSTR'] = "Archiving $TARGET ..."
+    env['RANLIBCOMSTR'] = ""
+    env['LINKCOMSTR'] = "Linking $TARGET ..."
+
+
+def createConvenienceLibBuilder(env):
+    """This is a utility function that creates the ConvenienceLibrary
+    Builder in an Environment if it is not there already.
+
+    If it is already there, we return the existing one.
+
+    Based on the stock StaticLibrary and SharedLibrary builders.
+    """
+
+    try:
+        convenience_lib = env['BUILDERS']['ConvenienceLibrary']
+    except KeyError:
+        action_list = [ SCons.Action.Action("$ARCOM", "$ARCOMSTR") ]
+        if env.Detect('ranlib'):
+            ranlib_action = SCons.Action.Action("$RANLIBCOM", "$RANLIBCOMSTR")
+            action_list.append(ranlib_action)
+
+        convenience_lib = SCons.Builder.Builder(action = action_list,
+                                  emitter = '$LIBEMITTER',
+                                  prefix = '$LIBPREFIX',
+                                  suffix = '$LIBSUFFIX',
+                                  src_suffix = '$SHOBJSUFFIX',
+                                  src_builder = 'SharedObject')
+        env['BUILDERS']['ConvenienceLibrary'] = convenience_lib
+
+    return convenience_lib
+
+
+# TODO: handle import statements with multiple modules
+# TODO: handle from import statements
+import_re = re.compile(r'^import\s+(\S+)$', re.M)
+
+def python_scan(node, env, path):
+    # http://www.scons.org/doc/0.98.5/HTML/scons-user/c2781.html#AEN2789
+    contents = node.get_contents()
+    source_dir = node.get_dir()
+    imports = import_re.findall(contents)
+    results = []
+    for imp in imports:
+        for dir in path:
+            file = os.path.join(str(dir), imp.replace('.', os.sep) + '.py')
+            if os.path.exists(file):
+                results.append(env.File(file))
+                break
+            file = os.path.join(str(dir), imp.replace('.', os.sep), '__init__.py')
+            if os.path.exists(file):
+                results.append(env.File(file))
+                break
+    return results
+
+python_scanner = SCons.Scanner.Scanner(function = python_scan, skeys = ['.py'])
+
+
+def code_generate(env, script, target, source, command):
+    """Method to simplify code generation via python scripts.
+
+    http://www.scons.org/wiki/UsingCodeGenerators
+    http://www.scons.org/doc/0.98.5/HTML/scons-user/c2768.html
+    """
+
+    # We're generating code using Python scripts, so we have to be
+    # careful with our scons elements.  This entry represents
+    # the generator file *in the source directory*.
+    script_src = env.File(script).srcnode()
+
+    # This command creates generated code *in the build directory*.
+    command = command.replace('$SCRIPT', script_src.path)
+    code = env.Command(target, source, command)
+
+    # Explicitly mark that the generated code depends on the generator,
+    # and on implicitly imported python modules
+    path = (script_src.get_dir(),)
+    deps = [script_src]
+    deps += script_src.get_implicit_deps(env, python_scanner, path)
+    env.Depends(code, deps)
+
+    # Running the Python script causes .pyc files to be generated in the
+    # source directory.  When we clean up, they should go too. So add side
+    # effects for .pyc files
+    for dep in deps:
+        pyc = env.File(str(dep) + 'c')
+        env.SideEffect(pyc, code)
+
+    return code
+
+
+def createCodeGenerateMethod(env):
+    env.Append(SCANNERS = python_scanner)
+    env.AddMethod(code_generate, 'CodeGenerate')
+
+
+def symlink(target, source, env):
+    target = str(target[0])
+    source = str(source[0])
+    if os.path.islink(target) or os.path.exists(target):
+        os.remove(target)
+    os.symlink(os.path.basename(source), target)
+
+def install_shared_library(env, source, version = ()):
+    source = str(source[0])
+    version = tuple(map(str, version))
+    target_dir =  os.path.join(env.Dir('#.').srcnode().abspath, env['build'], 'lib')
+    target_name = '.'.join((str(source),) + version)
+    last = env.InstallAs(os.path.join(target_dir, target_name), source)
+    while len(version):
+        version = version[:-1]
+        target_name = '.'.join((str(source),) + version)
+        action = SCons.Action.Action(symlink, "$TARGET -> $SOURCE")
+        last = env.Command(os.path.join(target_dir, target_name), last, action) 
+
+def createInstallMethods(env):
+    env.AddMethod(install_shared_library, 'InstallSharedLibrary')
+
+
+_platform_map = {
+    'linux2': 'linux',
+    'win32': 'windows',
+}
+
+
+_machine_map = {
+	'x86': 'x86',
+	'i386': 'x86',
+	'i486': 'x86',
+	'i586': 'x86',
+	'i686': 'x86',
+	'ppc': 'ppc',
+	'x86_64': 'x86_64',
+}
+
+
+_toolchain_map = {
+    'winddk': 'winddk',
+    'wince': 'wcesdk',
+}
+
+
+_bool_map = {
+    'y': 1, 
+    'yes': 1,
+    't': 1, 
+    'true': 1, 
+    '1': 1,
+    'on': 1,
+    'all': 1, 
+    'n': 0, 
+    'no': 0, 
+    'f': 0, 
+    'false': 0, 
+    '0': 0,
+    'off': 0,
+    'none': 0,
+}
+
+
+def generate(env):
+    """Common environment generation code"""
+
+    from SCons.Script import ARGUMENTS
+
+    # FIXME: this is already too late
+    #if env.get('quiet', False):
+    #    quietCommandLines(env)
+
+
+    # Platform
+    try:
+        env['platform'] = ARGUMENTS['platform']
+    except KeyError:
+        env['platform'] = _platform_map.get(sys.platform, sys.platform)
+
+    # Machine
+    try:
+        env['machine'] = ARGUMENTS['machine']
+    except KeyError:
+        env['machine'] = _machine_map.get(os.environ.get('PROCESSOR_ARCHITECTURE', _platform.machine()), 'generic')
+
+    # Toolchain
+    try:
+        env['toolchain'] = ARGUMENTS['toolchain']
+    except KeyError:
+        if env['platform'] in ('windows', 'winddk', 'wince') and sys.platform != 'win32':
+            env['toolchain'] = 'crossmingw'
+        else:
+            env['toolchain'] = _toolchain_map.get(env['platform'], 'default')
+    if env['toolchain'] == 'crossmingw' and env['machine'] not in ('generic', 'x86'):
+            env['machine'] = 'x86'
+
+    try:
+        env['MSVS_VERSION'] = ARGUMENTS['MSVS_VERSION']
+    except KeyError:
+        pass
+
+    # Build type
+    env['debug'] = _bool_map[ARGUMENTS.get('debug', 'no')]
+    env['profile'] = _bool_map[ARGUMENTS.get('profile', 'no')]
+
+    # Put build output in a separate dir, which depends on the current
+    # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
+    try:
+        env['build'] = ARGUMENTS['build']
+    except KeyError:
+        build_topdir = 'build'
+        build_subdir = env['platform']
+        if env['machine'] != 'generic':
+            build_subdir += '-' + env['machine']
+        if env['debug']:
+            build_subdir += "-debug"
+        if env['profile']:
+            build_subdir += "-profile"
+        env['build'] = os.path.join(build_topdir, build_subdir)
+    # Place the .sconsign file in the build dir too, to avoid issues with
+    # different scons versions building the same source file
+    env.SConsignFile(os.path.join(env['build'], '.sconsign'))
+
+    # Summary
+    print
+    print '  platform=%s' % env['platform']
+    print '  machine=%s' % env['machine']
+    print '  toolchain=%s' % env['toolchain']
+    print '  debug=%s' % ['no', 'yes'][env['debug']]
+    print '  profile=%s' % ['no', 'yes'][env['profile']]
+    print '  build=%s' % env['build']
+    print
+
+    # Load tool chain
+    env.Tool(env['toolchain'])
+
+    # shortcuts
+    debug = env['debug']
+    machine = env['machine']
+    platform = env['platform']
+    x86 = env['machine'] == 'x86'
+    ppc = env['machine'] == 'ppc'
+    gcc = env['platform'] in ('linux', 'freebsd', 'darwin') or env['toolchain'] == 'crossmingw'
+    msvc = env['platform'] in ('windows', 'winddk', 'wince') and env['toolchain'] != 'crossmingw'
+
+    # C preprocessor options
+    cppdefines = []
+    if debug:
+        cppdefines += ['DEBUG']
+    else:
+        cppdefines += ['NDEBUG']
+    if env['profile']:
+        cppdefines += ['PROFILE']
+    if platform == 'windows':
+        cppdefines += [
+            'WIN32',
+            '_WINDOWS',
+            #'_UNICODE',
+            #'UNICODE',
+            # http://msdn2.microsoft.com/en-us/library/6dwk3a1z.aspx,
+            #'WIN32_LEAN_AND_MEAN',
+            'VC_EXTRALEAN',
+            '_CRT_SECURE_NO_DEPRECATE',
+        ]
+        if debug:
+            cppdefines += ['_DEBUG']
+    if platform == 'winddk':
+        # Mimic WINDDK's builtin flags. See also:
+        # - WINDDK's bin/makefile.new i386mk.inc for more info.
+        # - buildchk_wxp_x86.log files, generated by the WINDDK's build
+        # - http://alter.org.ua/docs/nt_kernel/vc8_proj/
+        cppdefines += [
+            ('_X86_', '1'),
+            ('i386', '1'),
+            'STD_CALL',
+            ('CONDITION_HANDLING', '1'),
+            ('NT_INST', '0'),
+            ('WIN32', '100'),
+            ('_NT1X_', '100'),
+            ('WINNT', '1'),
+            ('_WIN32_WINNT', '0x0501'), # minimum required OS version
+            ('WINVER', '0x0501'),
+            ('_WIN32_IE', '0x0603'),
+            ('WIN32_LEAN_AND_MEAN', '1'),
+            ('DEVL', '1'),
+            ('__BUILDMACHINE__', 'WinDDK'),
+            ('FPO', '0'),
+        ]
+        if debug:
+            cppdefines += [('DBG', 1)]
+    if platform == 'wince':
+        cppdefines += [
+            '_CRT_SECURE_NO_DEPRECATE',
+            '_USE_32BIT_TIME_T',
+            'UNICODE',
+            '_UNICODE',
+            ('UNDER_CE', '600'),
+            ('_WIN32_WCE', '0x600'),
+            'WINCEOEM',
+            'WINCEINTERNAL',
+            'WIN32',
+            'STRICT',
+            'x86',
+            '_X86_',
+            'INTERNATIONAL',
+            ('INTLMSG_CODEPAGE', '1252'),
+        ]
+    env.Append(CPPDEFINES = cppdefines)
+
+    # C preprocessor includes
+    if platform == 'winddk':
+        env.Append(CPPPATH = [
+            env['SDK_INC_PATH'],
+            env['DDK_INC_PATH'],
+            env['WDM_INC_PATH'],
+            env['CRT_INC_PATH'],
+        ])
+
+    # C compiler options
+    cflags = [] # C
+    cxxflags = [] # C++
+    ccflags = [] # C & C++
+    if gcc:
+        if debug:
+            ccflags += ['-O0', '-g3']
+        else:
+            ccflags += ['-O3', '-g0']
+        if env['profile']:
+            ccflags += ['-pg']
+        if env['machine'] == 'x86':
+            ccflags += [
+                '-m32',
+                #'-march=pentium4',
+                '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
+                #'-mfpmath=sse',
+            ]
+        if env['machine'] == 'x86_64':
+            ccflags += ['-m64']
+        ccflags += [
+            '-Wall',
+            '-Wmissing-prototypes',
+            '-Wno-long-long',
+            '-ffast-math',
+            '-pedantic',
+            '-fmessage-length=0', # be nice to Eclipse
+        ]
+        cflags += [
+            '-Wmissing-prototypes',
+        ]
+    if msvc:
+        # See also:
+        # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
+        # - cl /?
+        if debug:
+            ccflags += [
+              '/Od', # disable optimizations
+              '/Oi', # enable intrinsic functions
+              '/Oy-', # disable frame pointer omission
+            ]
+        else:
+            ccflags += [
+              '/Ox', # maximum optimizations
+              '/Oi', # enable intrinsic functions
+              '/Ot', # favor code speed
+              #'/fp:fast', # fast floating point 
+            ]
+        if env['profile']:
+            ccflags += [
+                '/Gh', # enable _penter hook function
+                '/GH', # enable _pexit hook function
+            ]
+        ccflags += [
+            '/W3', # warning level
+            #'/Wp64', # enable 64 bit porting warnings
+        ]
+        if env['machine'] == 'x86':
+            ccflags += [
+                #'/QIfist', # Suppress _ftol
+                #'/arch:SSE2', # use the SSE2 instructions
+            ]
+        if platform == 'windows':
+            ccflags += [
+                # TODO
+            ]
+        if platform == 'winddk':
+            ccflags += [
+                '/Zl', # omit default library name in .OBJ
+                '/Zp8', # 8bytes struct member alignment
+                '/Gy', # separate functions for linker
+                '/Gm-', # disable minimal rebuild
+                '/WX', # treat warnings as errors
+                '/Gz', # __stdcall Calling convention
+                '/GX-', # disable C++ EH
+                '/GR-', # disable C++ RTTI
+                '/GF', # enable read-only string pooling
+                '/G6', # optimize for PPro, P-II, P-III
+                '/Ze', # enable extensions
+                '/Gi-', # disable incremental compilation
+                '/QIfdiv-', # disable Pentium FDIV fix
+                '/hotpatch', # prepares an image for hotpatching.
+                #'/Z7', #enable old-style debug info
+            ]
+        if platform == 'wince':
+            # See also C:\WINCE600\public\common\oak\misc\makefile.def
+            ccflags += [
+                '/Zl', # omit default library name in .OBJ
+                '/GF', # enable read-only string pooling
+                '/GR-', # disable C++ RTTI
+                '/GS', # enable security checks
+                # Allow disabling language conformance to maintain backward compat
+                #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef
+                #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules
+                #'/wd4867',
+                #'/wd4430',
+                #'/MT',
+                #'/U_MT',
+            ]
+        # Automatic pdb generation
+        # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
+        env.EnsureSConsVersion(0, 98, 0)
+        env['PDB'] = '${TARGET.base}.pdb'
+    env.Append(CCFLAGS = ccflags)
+    env.Append(CFLAGS = cflags)
+    env.Append(CXXFLAGS = cxxflags)
+
+    if env['platform'] == 'windows' and msvc:
+        # Choose the appropriate MSVC CRT
+        # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
+        if env['debug']:
+            env.Append(CCFLAGS = ['/MTd'])
+            env.Append(SHCCFLAGS = ['/LDd'])
+        else:
+            env.Append(CCFLAGS = ['/MT'])
+            env.Append(SHCCFLAGS = ['/LD'])
+    
+    # Assembler options
+    if gcc:
+        if env['machine'] == 'x86':
+            env.Append(ASFLAGS = ['-m32'])
+        if env['machine'] == 'x86_64':
+            env.Append(ASFLAGS = ['-m64'])
+
+    # Linker options
+    linkflags = []
+    if gcc:
+        if env['machine'] == 'x86':
+            linkflags += ['-m32']
+        if env['machine'] == 'x86_64':
+            linkflags += ['-m64']
+    if platform == 'winddk':
+        # See also:
+        # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
+        linkflags += [
+            '/merge:_PAGE=PAGE',
+            '/merge:_TEXT=.text',
+            '/section:INIT,d',
+            '/opt:ref',
+            '/opt:icf',
+            '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221',
+            '/incremental:no',
+            '/fullbuild',
+            '/release',
+            '/nodefaultlib',
+            '/wx',
+            '/debug',
+            '/debugtype:cv',
+            '/version:5.1',
+            '/osversion:5.1',
+            '/functionpadmin:5',
+            '/safeseh',
+            '/pdbcompress',
+            '/stack:0x40000,0x1000',
+            '/driver',
+            '/align:0x80',
+            '/subsystem:native,5.01',
+            '/base:0x10000',
+
+            '/entry:DrvEnableDriver',
+        ]
+        if env['profile']:
+            linkflags += [
+                '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
+            ]
+    if platform == 'wince':
+        linkflags += [
+            '/nodefaultlib',
+            #'/incremental:no',
+            #'/fullbuild',
+            '/entry:_DllMainCRTStartup',
+        ]
+    env.Append(LINKFLAGS = linkflags)
+
+    # Default libs
+    env.Append(LIBS = [])
+
+    # Custom builders and methods
+    createConvenienceLibBuilder(env)
+    createCodeGenerateMethod(env)
+    createInstallMethods(env)
+
+    # for debugging
+    #print env.Dump()
+
+
+def exists(env):
+    return 1
diff --git a/scons/mslib_sa.py b/scons/mslib_sa.py
new file mode 100644
index 0000000000..da51c574b6
--- /dev/null
+++ b/scons/mslib_sa.py
@@ -0,0 +1,49 @@
+"""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 SCons.Defaults
+import SCons.Tool
+import SCons.Util
+
+def generate(env):
+    """Add Builders and construction variables for lib to an Environment."""
+    SCons.Tool.createStaticLibBuilder(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 env.Detect('lib')
+
+# vim:set ts=4 sw=4 et:
diff --git a/scons/mslink_sa.py b/scons/mslink_sa.py
new file mode 100644
index 0000000000..53331def1a
--- /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 0000000000..136d305265
--- /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/python.py b/scons/python.py
new file mode 100644
index 0000000000..539184dd39
--- /dev/null
+++ b/scons/python.py
@@ -0,0 +1,70 @@
+"""gallium
+
+Frontend-tool for Gallium3D architecture.
+
+"""
+
+# 
+# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# All Rights Reserved.
+# 
+# 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, sub license, 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 (including the
+# next paragraph) 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 NON-INFRINGEMENT.
+# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 sys
+import distutils.sysconfig
+import os.path
+
+
+def generate(env):
+    # See http://www.scons.org/wiki/PythonExtensions
+    
+    if sys.platform in ['windows']:
+        python_root = sys.prefix
+        python_version = '%u%u' % sys.version_info[:2]
+        python_include = os.path.join(python_root, 'include')
+        python_libs = os.path.join(python_root, 'libs')
+        python_lib = os.path.join(python_libs, 'python' + python_version + '.lib')
+        
+        env.Append(CPPPATH = [python_include])
+        env.Append(LIBPATH = [python_libs])
+        env.Append(LIBS = ['python' + python_version + '.lib'])
+        env.Replace(SHLIBPREFIX = '')
+        env.Replace(SHLIBSUFFIX = '.pyd')
+        
+        # XXX; python25_d.lib is not included in Python for windows, and 
+        # we'll get missing symbols unless we undefine _DEBUG
+        cppdefines = env['CPPDEFINES']
+        cppdefines = [define for define in cppdefines if define != '_DEBUG']
+        env.Replace(CPPDEFINES = cppdefines)
+    else:
+        #env.ParseConfig('python-config --cflags --ldflags --libs')
+        env.AppendUnique(CPPPATH = [distutils.sysconfig.get_python_inc()])
+        env.Replace(SHLIBPREFIX = '')
+        env.Replace(SHLIBSUFFIX = distutils.sysconfig.get_config_vars()['SO'])
+
+    # for debugging
+    #print env.Dump()
+
+
+def exists(env):
+    return 1
diff --git a/scons/wcesdk.py b/scons/wcesdk.py
new file mode 100644
index 0000000000..bf73c2d73f
--- /dev/null
+++ b/scons/wcesdk.py
@@ -0,0 +1,176 @@
+"""wcesdk
+
+Tool-specific initialization for Microsoft Window CE SDKs.
+
+"""
+
+#
+# Copyright (c) 2001-2007 The SCons Foundation
+# Copyright (c) 2008 Tungsten Graphics, 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 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
+
+import msvc_sa
+import mslib_sa
+import mslink_sa
+
+def get_wce500_paths(env):
+    """Return a 3-tuple of (INCLUDE, LIB, PATH) as the values
+    of those three environment variables that should be set
+    in order to execute the MSVC tools properly."""
+    
+    exe_paths = []
+    lib_paths = []
+    include_paths = []
+
+    # mymic the batch files located in Microsoft eMbedded C++ 4.0\EVC\WCExxx\BIN
+    os_version = os.environ.get('OSVERSION', 'WCE500')
+    platform = os.environ.get('PLATFORM', 'STANDARDSDK_500')
+    wce_root = os.environ.get('WCEROOT', 'C:\\Program Files\\Microsoft eMbedded C++ 4.0')
+    sdk_root = os.environ.get('SDKROOT', 'C:\\Windows CE Tools')
+
+    target_cpu = 'x86'
+    cfg = 'none'
+
+    exe_paths.append( os.path.join(wce_root, 'COMMON', 'EVC', 'bin') )
+    exe_paths.append( os.path.join(wce_root, 'EVC', os_version, 'bin') )
+    include_paths.append( os.path.join(sdk_root, os_version, platform, 'include', target_cpu) )
+    include_paths.append( os.path.join(sdk_root, os_version, platform, 'MFC', 'include') )
+    include_paths.append( os.path.join(sdk_root, os_version, platform, 'ATL', 'include') )
+    lib_paths.append( os.path.join(sdk_root, os_version, platform, 'lib', target_cpu) )
+    lib_paths.append( os.path.join(sdk_root, os_version, platform, 'MFC', 'lib', target_cpu) )
+    lib_paths.append( os.path.join(sdk_root, os_version, platform, 'ATL', 'lib', target_cpu) )
+    
+    include_path = string.join( include_paths, os.pathsep )
+    lib_path = string.join(lib_paths, os.pathsep )
+    exe_path = string.join(exe_paths, os.pathsep )
+    return (include_path, lib_path, exe_path)
+
+def get_wce600_root(env):
+    try:
+        return os.environ['_WINCEROOT']
+    except KeyError:
+        pass
+
+    if SCons.Util.can_read_reg:
+        key = r'SOFTWARE\Microsoft\Platform Builder\6.00\Directories\OS Install Dir'
+        try:
+            path, t = SCons.Util.RegGetValue(SCons.Util.HKEY_LOCAL_MACHINE, key)
+        except SCons.Util.RegError:
+            pass
+        else:
+            return path
+
+    default_path = os.path.join(r'C:\WINCE600', version)
+    if os.path.exists(default_path):
+        return default_path
+    
+    return None 
+
+def get_wce600_paths(env):
+    """Return a 3-tuple of (INCLUDE, LIB, PATH) as the values
+    of those three environment variables that should be set
+    in order to execute the MSVC tools properly."""
+    
+    exe_paths = []
+    lib_paths = []
+    include_paths = []
+
+    # See also C:\WINCE600\public\common\oak\misc\wince.bat
+
+    wince_root = get_wce600_root(env)
+    if wince_root is None:
+        raise SCons.Errors.InternalError, "Windows CE 6.0 SDK not found"
+    
+    os_version = os.environ.get('_WINCEOSVER', '600')
+    platform_root = os.environ.get('_PLATFORMROOT', os.path.join(wince_root, 'platform'))
+    sdk_root = os.environ.get('_SDKROOT' ,os.path.join(wince_root, 'sdk'))
+
+    platform_root = os.environ.get('_PLATFORMROOT', os.path.join(wince_root, 'platform'))
+    sdk_root = os.environ.get('_SDKROOT' ,os.path.join(wince_root, 'sdk'))
+
+    host_cpu = os.environ.get('_HOSTCPUTYPE', 'i386')
+    target_cpu = os.environ.get('_TGTCPU', 'x86')
+
+    if env['debug']:
+        build = 'debug'
+    else:
+        build = 'retail'
+
+    try:
+        project_root = os.environ['_PROJECTROOT']
+    except KeyError:
+        # No project root defined -- use the common stuff instead
+        project_root = os.path.join(wince_root, 'public', 'common')
+
+    exe_paths.append( os.path.join(sdk_root, 'bin', host_cpu) )
+    exe_paths.append( os.path.join(sdk_root, 'bin', host_cpu, target_cpu) )
+    exe_paths.append( os.path.join(wince_root, 'common', 'oak', 'bin', host_cpu) )
+    exe_paths.append( os.path.join(wince_root, 'common', 'oak', 'misc') )
+
+    include_paths.append( os.path.join(project_root, 'sdk', 'inc') )
+    include_paths.append( os.path.join(project_root, 'oak', 'inc') )
+    include_paths.append( os.path.join(project_root, 'ddk', 'inc') )
+    include_paths.append( os.path.join(sdk_root, 'CE', 'inc') )
+    
+    lib_paths.append( os.path.join(project_root, 'sdk', 'lib', target_cpu, build) )
+    lib_paths.append( os.path.join(project_root, 'oak', 'lib', target_cpu, build) )
+    lib_paths.append( os.path.join(project_root, 'ddk', 'lib', target_cpu, build) )
+
+    include_path = string.join( include_paths, os.pathsep )
+    lib_path = string.join(lib_paths, os.pathsep )
+    exe_path = string.join(exe_paths, os.pathsep )
+    return (include_path, lib_path, exe_path)
+
+def generate(env):
+
+    msvc_sa.generate(env)
+    mslib_sa.generate(env)
+    mslink_sa.generate(env)
+
+    if not env.has_key('ENV'):
+        env['ENV'] = {}
+    
+    try:
+        include_path, lib_path, exe_path = get_wce600_paths(env)
+
+        env.PrependENVPath('INCLUDE', include_path)
+        env.PrependENVPath('LIB', lib_path)
+        env.PrependENVPath('PATH', exe_path)
+    except (SCons.Util.RegError, SCons.Errors.InternalError):
+        pass
+
+def exists(env):
+    return get_wce600_root(env) is not None
+
+# vim:set ts=4 sw=4 et:
diff --git a/scons/winddk.py b/scons/winddk.py
new file mode 100644
index 0000000000..6a99b83a83
--- /dev/null
+++ b/scons/winddk.py
@@ -0,0 +1,130 @@
+"""winddk
+
+Tool-specific initialization for Microsoft Windows DDK.
+
+"""
+
+#
+# Copyright (c) 2001-2007 The SCons Foundation
+# Copyright (c) 2008 Tungsten Graphics, 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 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
+
+import msvc_sa
+import mslib_sa
+import mslink_sa
+
+def get_winddk_root(env):
+    try:
+        return os.environ['BASEDIR']
+    except KeyError:
+        pass
+
+    version = "3790.1830"
+    
+    if SCons.Util.can_read_reg:
+        key = r'SOFTWARE\Microsoft\WINDDK\%s\LFNDirectory' % version
+        try:
+            path, t = SCons.Util.RegGetValue(SCons.Util.HKEY_LOCAL_MACHINE, key)
+        except SCons.Util.RegError:
+            pass
+        else:
+            return path
+
+    default_path = os.path.join(r'C:\WINDDK', version)
+    if os.path.exists(default_path):
+        return default_path
+    
+    return None 
+
+def get_winddk_paths(env):
+    """Return a 3-tuple of (INCLUDE, LIB, PATH) as the values
+    of those three environment variables that should be set
+    in order to execute the MSVC tools properly."""
+    
+    WINDDKdir = None
+    exe_paths = []
+    lib_paths = []
+    include_paths = []
+
+    WINDDKdir = get_winddk_root(env)
+    if WINDDKdir is None:
+        raise SCons.Errors.InternalError, "WINDDK not found"
+
+    exe_paths.append( os.path.join(WINDDKdir, 'bin') )
+    exe_paths.append( os.path.join(WINDDKdir, 'bin', 'x86') )
+    include_paths.append( os.path.join(WINDDKdir, 'inc', 'wxp') )
+    lib_paths.append( os.path.join(WINDDKdir, 'lib') )
+
+    target_os = 'wxp'
+    target_cpu = 'i386'
+    
+    env['SDK_INC_PATH'] = os.path.join(WINDDKdir, 'inc', target_os) 
+    env['CRT_INC_PATH'] = os.path.join(WINDDKdir, 'inc', 'crt') 
+    env['DDK_INC_PATH'] = os.path.join(WINDDKdir, 'inc', 'ddk', target_os) 
+    env['WDM_INC_PATH'] = os.path.join(WINDDKdir, 'inc', 'ddk', 'wdm', target_os) 
+
+    env['SDK_LIB_PATH'] = os.path.join(WINDDKdir, 'lib', target_os, target_cpu) 
+    env['CRT_LIB_PATH'] = os.path.join(WINDDKdir, 'lib', 'crt', target_cpu) 
+    env['DDK_LIB_PATH'] = os.path.join(WINDDKdir, 'lib', target_os, target_cpu)
+    env['WDM_LIB_PATH'] = os.path.join(WINDDKdir, 'lib', target_os, target_cpu)
+                                     
+    include_path = string.join( include_paths, os.pathsep )
+    lib_path = string.join(lib_paths, os.pathsep )
+    exe_path = string.join(exe_paths, os.pathsep )
+    return (include_path, lib_path, exe_path)
+
+def generate(env):
+
+    msvc_sa.generate(env)
+    mslib_sa.generate(env)
+    mslink_sa.generate(env)
+
+    if not env.has_key('ENV'):
+        env['ENV'] = {}
+    
+    try:
+        include_path, lib_path, exe_path = get_winddk_paths(env)
+
+        # since other tools can set these, we just make sure that the
+        # relevant stuff from WINDDK is in there somewhere.
+        env.PrependENVPath('INCLUDE', include_path)
+        env.PrependENVPath('LIB', lib_path)
+        env.PrependENVPath('PATH', exe_path)
+    except (SCons.Util.RegError, SCons.Errors.InternalError):
+        pass
+
+def exists(env):
+    return get_winddk_root(env) is not None
+
+# vim:set ts=4 sw=4 et: