From 807c6931fe683fd844ceec1b023232181e6aae03 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Tue, 28 Dec 2010 16:10:20 +0000
Subject: xserver and mesa git update 28-12-2010

---
 mesalib/scons/crossmingw.py | 198 +++++++++++++++
 mesalib/scons/custom.py     | 169 +++++++++++++
 mesalib/scons/dxsdk.py      |  73 ++++++
 mesalib/scons/fixes.py      |  27 +++
 mesalib/scons/gallium.py    | 580 ++++++++++++++++++++++++++++++++++++++++++++
 mesalib/scons/llvm.py       | 168 +++++++++++++
 mesalib/scons/mslib_sa.py   | 137 +++++++++++
 mesalib/scons/mslink_sa.py  | 246 +++++++++++++++++++
 mesalib/scons/msvc_sa.py    | 246 +++++++++++++++++++
 mesalib/scons/python.py     |  72 ++++++
 mesalib/scons/udis86.py     |  44 ++++
 mesalib/scons/wcesdk.py     | 176 ++++++++++++++
 mesalib/scons/winddk.py     | 148 +++++++++++
 mesalib/scons/winsdk.py     | 131 ++++++++++
 mesalib/scons/x11.py        |  52 ++++
 15 files changed, 2467 insertions(+)
 create mode 100644 mesalib/scons/crossmingw.py
 create mode 100644 mesalib/scons/custom.py
 create mode 100644 mesalib/scons/dxsdk.py
 create mode 100644 mesalib/scons/fixes.py
 create mode 100644 mesalib/scons/gallium.py
 create mode 100644 mesalib/scons/llvm.py
 create mode 100644 mesalib/scons/mslib_sa.py
 create mode 100644 mesalib/scons/mslink_sa.py
 create mode 100644 mesalib/scons/msvc_sa.py
 create mode 100644 mesalib/scons/python.py
 create mode 100644 mesalib/scons/udis86.py
 create mode 100644 mesalib/scons/wcesdk.py
 create mode 100644 mesalib/scons/winddk.py
 create mode 100644 mesalib/scons/winsdk.py
 create mode 100644 mesalib/scons/x11.py

(limited to 'mesalib/scons')

diff --git a/mesalib/scons/crossmingw.py b/mesalib/scons/crossmingw.py
new file mode 100644
index 000000000..bac51de07
--- /dev/null
+++ b/mesalib/scons/crossmingw.py
@@ -0,0 +1,198 @@
+"""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:
+prefixes32 = SCons.Util.Split("""
+    mingw32-
+    mingw32msvc-
+    i386-mingw32-
+    i486-mingw32-
+    i586-mingw32-
+    i686-mingw32-
+    i386-mingw32msvc-
+    i486-mingw32msvc-
+    i586-mingw32msvc-
+    i686-mingw32msvc-
+    i686-pc-mingw32-
+    i686-w64-mingw32-
+""")
+prefixes64 = SCons.Util.Split("""
+    amd64-mingw32-
+    amd64-mingw32msvc-
+    amd64-pc-mingw32-
+    x86_64-w64-mingw32-
+""")
+
+def find(env):
+    if env['machine'] == 'x86_64':
+        prefixes = prefixes64
+    else:
+        prefixes = prefixes32
+    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, '$SHLINKCOMSTR', generator=1)
+
+res_action = SCons.Action.Action('$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(CCFLAGS = ['-gstabs'])
+
+    env.AppendUnique(CPPDEFINES = [('__MSVCRT_VERSION__', '0x0700')])
+    #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/mesalib/scons/custom.py b/mesalib/scons/custom.py
new file mode 100644
index 000000000..457a02011
--- /dev/null
+++ b/mesalib/scons/custom.py
@@ -0,0 +1,169 @@
+"""custom
+
+Custom builders and methods.
+
+"""
+
+#
+# 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
+
+import fixes
+
+
+def quietCommandLines(env):
+    # Quiet command lines
+    # See also http://www.scons.org/wiki/HidingCommandLinesInOutput
+    env['ASCOMSTR'] = "  Assembling $SOURCE ..."
+    env['ASPPCOMSTR'] = "  Assembling $SOURCE ..."
+    env['CCCOMSTR'] = "  Compiling $SOURCE ..."
+    env['SHCCCOMSTR'] = "  Compiling $SOURCE ..."
+    env['CXXCOMSTR'] = "  Compiling $SOURCE ..."
+    env['SHCXXCOMSTR'] = "  Compiling $SOURCE ..."
+    env['ARCOMSTR'] = "  Archiving $TARGET ..."
+    env['RANLIBCOMSTR'] = "  Indexing $TARGET ..."
+    env['LINKCOMSTR'] = "  Linking $TARGET ..."
+    env['SHLINKCOMSTR'] = "  Linking $TARGET ..."
+    env['LDMODULECOMSTR'] = "  Linking $TARGET ..."
+    env['SWIGCOMSTR'] = "  Generating $TARGET ..."
+    env['CODEGENCOMSTR'] = "  Generating $TARGET ..."
+
+
+def createConvenienceLibBuilder(env):
+    """This is a utility function that creates the ConvenienceLibrary
+    Builder in an Environment if it is not there already.
+
+    If it is already there, we return the existing one.
+
+    Based on the stock StaticLibrary and SharedLibrary builders.
+    """
+
+    try:
+        convenience_lib = env['BUILDERS']['ConvenienceLibrary']
+    except KeyError:
+        action_list = [ SCons.Action.Action("$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('$SCRIPT', script_src.path)
+    action = SCons.Action.Action(command, "$CODEGENCOMSTR")
+    code = env.Command(target, source, action)
+
+    # 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 generate(env):
+    """Common environment generation code"""
+
+    if env.get('quiet', True):
+        quietCommandLines(env)
+
+    # Custom builders and methods
+    createConvenienceLibBuilder(env)
+    createCodeGenerateMethod(env)
+
+    # for debugging
+    #print env.Dump()
+
+
+def exists(env):
+    return 1
diff --git a/mesalib/scons/dxsdk.py b/mesalib/scons/dxsdk.py
new file mode 100644
index 000000000..4671763d3
--- /dev/null
+++ b/mesalib/scons/dxsdk.py
@@ -0,0 +1,73 @@
+"""dxsdk
+
+Tool-specific initialization for Microsoft DirectX SDK
+
+"""
+
+#
+# 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
+import os.path
+
+import SCons.Errors
+import SCons.Util
+
+
+def get_dxsdk_root(env):
+    try:
+        return os.environ['DXSDK_DIR']
+    except KeyError:
+        return None
+
+def generate(env):
+    dxsdk_root = get_dxsdk_root(env)
+    if dxsdk_root is None:
+        # DirectX SDK not found
+        return
+
+    if env['machine'] in ('generic', 'x86'):
+        target_cpu = 'x86'
+    elif env['machine'] == 'x86_64':
+        target_cpu = 'x64'
+    else:
+        raise SCons.Errors.InternalError, "Unsupported target machine"
+
+    include_dir = os.path.join(dxsdk_root, 'Include')
+    lib_dir = os.path.join(dxsdk_root, 'Lib', target_cpu)
+
+    env.Append(CPPDEFINES = [('HAVE_DXSDK', '1')])
+
+    gcc = 'gcc' in os.path.basename(env['CC']).split('-')
+    if gcc:
+        # Make GCC more forgiving towards Microsoft's headers
+        env.Prepend(CPPFLAGS = ['-isystem', include_dir])
+    else:
+        env.Prepend(CPPPATH = [include_dir])
+
+    env.Prepend(LIBPATH = [lib_dir])
+
+def exists(env):
+    return get_dxsdk_root(env) is not None
+
+# vim:set ts=4 sw=4 et:
diff --git a/mesalib/scons/fixes.py b/mesalib/scons/fixes.py
new file mode 100644
index 000000000..5946106ab
--- /dev/null
+++ b/mesalib/scons/fixes.py
@@ -0,0 +1,27 @@
+import sys
+
+# Monkey patch os.spawnve on windows to become thread safe
+if sys.platform == 'win32':
+    import os
+    import threading
+    from os import spawnve as old_spawnve
+
+    spawn_lock = threading.Lock()
+
+    def new_spawnve(mode, file, args, env):
+        spawn_lock.acquire()
+        try:
+            if mode == os.P_WAIT:
+                ret = old_spawnve(os.P_NOWAIT, file, args, env)
+            else:
+                ret = old_spawnve(mode, file, args, env)
+        finally:
+            spawn_lock.release()
+        if mode == os.P_WAIT:
+            pid, status = os.waitpid(ret, 0)
+            ret = status >> 8
+        return ret
+
+    os.spawnve = new_spawnve
+
+
diff --git a/mesalib/scons/gallium.py b/mesalib/scons/gallium.py
new file mode 100644
index 000000000..85749fe2a
--- /dev/null
+++ b/mesalib/scons/gallium.py
@@ -0,0 +1,580 @@
+"""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 distutils.version
+import os
+import os.path
+import re
+import subprocess
+
+import SCons.Action
+import SCons.Builder
+import SCons.Scanner
+
+
+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(env, source, subdir):
+    target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'], subdir)
+    return env.Install(target_dir, source)
+
+def install_program(env, source):
+    return install(env, source, 'bin')
+
+def install_shared_library(env, sources, version = ()):
+    targets = []
+    install_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'])
+    version = tuple(map(str, version))
+    if env['SHLIBSUFFIX'] == '.dll':
+        dlls = env.FindIxes(sources, 'SHLIBPREFIX', 'SHLIBSUFFIX')
+        targets += install(env, dlls, 'bin')
+        libs = env.FindIxes(sources, 'LIBPREFIX', 'LIBSUFFIX')
+        targets += install(env, libs, 'lib')
+    else:
+        for source in sources:
+            target_dir =  os.path.join(install_dir, 'lib')
+            target_name = '.'.join((str(source),) + version)
+            last = env.InstallAs(os.path.join(target_dir, target_name), source)
+            targets += last
+            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) 
+                targets += last
+    return targets
+
+
+def createInstallMethods(env):
+    env.AddMethod(install_program, 'InstallProgram')
+    env.AddMethod(install_shared_library, 'InstallSharedLibrary')
+
+
+def num_jobs():
+    try:
+        return int(os.environ['NUMBER_OF_PROCESSORS'])
+    except (ValueError, KeyError):
+        pass
+
+    try:
+        return os.sysconf('SC_NPROCESSORS_ONLN')
+    except (ValueError, OSError, AttributeError):
+        pass
+
+    try:
+        return int(os.popen2("sysctl -n hw.ncpu")[1].read())
+    except ValueError:
+        pass
+
+    return 1
+
+
+def pkg_config_modules(env, name, modules):
+    '''Simple wrapper for pkg-config.'''
+
+    env[name] = False
+
+    if env['platform'] == 'windows':
+        return
+
+    if not env.Detect('pkg-config'):
+        return
+
+    if subprocess.call(["pkg-config", "--exists", ' '.join(modules)]) != 0:
+        return
+
+    # Put -I and -L flags directly into the environment, as these don't affect
+    # the compilation of targets that do not use them
+    try:
+        env.ParseConfig('pkg-config --cflags-only-I --libs-only-L ' + ' '.join(modules))
+    except OSError:
+        return
+
+    # Other flags may affect the compilation of unrelated targets, so store
+    # them with a prefix, (e.g., XXX_CFLAGS, XXX_LIBS, etc)
+    try:
+        flags = env.ParseFlags('!pkg-config --cflags-only-other --libs-only-l --libs-only-other ' + ' '.join(modules))
+    except OSError:
+        return
+    prefix = name.upper() + '_'
+    for flag_name, flag_value in flags.iteritems():
+        env[prefix + flag_name] = flag_value
+
+    env[name] = True
+
+
+
+def generate(env):
+    """Common environment generation code"""
+
+    # Toolchain
+    platform = env['platform']
+    if env['toolchain'] == 'default':
+        if platform == 'winddk':
+            env['toolchain'] = 'winddk'
+        elif platform == 'wince':
+            env['toolchain'] = 'wcesdk'
+    env.Tool(env['toolchain'])
+
+    # Allow override compiler and specify additional flags from environment
+    if os.environ.has_key('CC'):
+        env['CC'] = os.environ['CC']
+        # Update CCVERSION to match
+        pipe = SCons.Action._subproc(env, [env['CC'], '--version'],
+                                     stdin = 'devnull',
+                                     stderr = 'devnull',
+                                     stdout = subprocess.PIPE)
+        if pipe.wait() == 0:
+            line = pipe.stdout.readline()
+            match = re.search(r'[0-9]+(\.[0-9]+)+', line)
+            if match:
+                env['CCVERSION'] = match.group(0)
+    if os.environ.has_key('CFLAGS'):
+        env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
+    if os.environ.has_key('CXX'):
+        env['CXX'] = os.environ['CXX']
+    if os.environ.has_key('CXXFLAGS'):
+        env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
+    if os.environ.has_key('LDFLAGS'):
+        env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
+
+    env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-')
+    env['msvc'] = env['CC'] == 'cl'
+
+    # shortcuts
+    machine = env['machine']
+    platform = env['platform']
+    x86 = env['machine'] == 'x86'
+    ppc = env['machine'] == 'ppc'
+    gcc = env['gcc']
+    msvc = env['msvc']
+
+    # Backwards compatability with the debug= profile= options
+    if env['build'] == 'debug':
+        if not env['debug']:
+            print 'scons: warning: debug option is deprecated and will be removed eventually; use instead'
+            print
+            print ' scons build=release'
+            print
+            env['build'] = 'release'
+        if env['profile']:
+            print 'scons: warning: profile option is deprecated and will be removed eventually; use instead'
+            print
+            print ' scons build=profile'
+            print
+            env['build'] = 'profile'
+    if False:
+        # Enforce SConscripts to use the new build variable
+        env.popitem('debug')
+        env.popitem('profile')
+    else:
+        # Backwards portability with older sconscripts
+        if env['build'] in ('debug', 'checked'):
+            env['debug'] = True
+            env['profile'] = False
+        if env['build'] == 'profile':
+            env['debug'] = False
+            env['profile'] = True
+        if env['build'] == 'release':
+            env['debug'] = False
+            env['profile'] = False
+
+    # 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['machine'] != 'generic':
+        build_subdir += '-' + env['machine']
+    if env['build'] != 'release':
+        build_subdir += '-' +  env['build']
+    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_dir'] = build_dir
+    env.SConsignFile(os.path.join(build_dir, '.sconsign'))
+    if 'SCONS_CACHE_DIR' in os.environ:
+        print 'scons: Using build cache in %s.' % (os.environ['SCONS_CACHE_DIR'],)
+        env.CacheDir(os.environ['SCONS_CACHE_DIR'])
+    env['CONFIGUREDIR'] = os.path.join(build_dir, 'conf')
+    env['CONFIGURELOG'] = os.path.join(os.path.abspath(build_dir), 'config.log')
+
+    # Parallel build
+    if env.GetOption('num_jobs') <= 1:
+        env.SetOption('num_jobs', num_jobs())
+
+    env.Decider('MD5-timestamp')
+    env.SetOption('max_drift', 60)
+
+    # C preprocessor options
+    cppdefines = []
+    if env['build'] in ('debug', 'checked'):
+        cppdefines += ['DEBUG']
+    else:
+        cppdefines += ['NDEBUG']
+    if env['build'] == 'profile':
+        cppdefines += ['PROFILE']
+    if platform == 'windows':
+        cppdefines += [
+            'WIN32',
+            '_WINDOWS',
+            #'_UNICODE',
+            #'UNICODE',
+            # http://msdn.microsoft.com/en-us/library/aa383745.aspx
+            ('_WIN32_WINNT', '0x0601'),
+            ('WINVER', '0x0601'),
+        ]
+        if msvc and env['toolchain'] != 'winddk':
+            cppdefines += [
+                'VC_EXTRALEAN',
+                '_USE_MATH_DEFINES',
+                '_CRT_SECURE_NO_WARNINGS',
+                '_CRT_SECURE_NO_DEPRECATE',
+                '_SCL_SECURE_NO_WARNINGS',
+                '_SCL_SECURE_NO_DEPRECATE',
+            ]
+        if env['build'] in ('debug', 'checked'):
+            cppdefines += ['_DEBUG']
+    if env['toolchain'] == '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/
+        if machine == 'x86':
+            cppdefines += ['_X86_', 'i386']
+        if machine == 'x86_64':
+            cppdefines += ['_AMD64_', 'AMD64']
+    if platform == 'winddk':
+        cppdefines += [
+            '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 env['build'] in ('debug', 'checked'):
+            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']
+    if platform == 'embedded':
+        cppdefines += ['PIPE_OS_EMBEDDED']
+    env.Append(CPPDEFINES = cppdefines)
+
+    # C compiler options
+    cflags = [] # C
+    cxxflags = [] # C++
+    ccflags = [] # C & C++
+    if gcc:
+        ccversion = env['CCVERSION']
+        if env['build'] == 'debug':
+            ccflags += ['-O0']
+        elif ccversion.startswith('4.2.'):
+            # gcc 4.2.x optimizer is broken
+            print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
+            ccflags += ['-O0']
+        else:
+            ccflags += ['-O3']
+        ccflags += ['-g3']
+        if env['build'] in ('checked', 'profile'):
+            # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
+            ccflags += [
+                '-fno-omit-frame-pointer',
+                '-fno-optimize-sibling-calls',
+            ]
+        if env['machine'] == 'x86':
+            ccflags += [
+                '-m32',
+                #'-march=pentium4',
+            ]
+            if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
+                # NOTE: We need to ensure stack is realigned given that we
+                # produce shared objects, and have no control over the stack
+                # alignment policy of the application. Therefore we need
+                # -mstackrealign ore -mincoming-stack-boundary=2.
+                #
+                # XXX: We could have SSE without -mstackrealign if we always used
+                # __attribute__((force_align_arg_pointer)), but that's not
+                # always the case.
+                ccflags += [
+                    '-mstackrealign', # ensure stack is aligned
+                    '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
+                    #'-mfpmath=sse',
+                ]
+            if platform in ['windows', 'darwin']:
+                # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
+                ccflags += ['-fno-common']
+        if env['machine'] == 'x86_64':
+            ccflags += ['-m64']
+            if platform == 'darwin':
+                ccflags += ['-fno-common']
+        # See also:
+        # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
+        ccflags += [
+            '-Wall',
+            '-Wno-long-long',
+            '-ffast-math',
+            '-fmessage-length=0', # be nice to Eclipse
+        ]
+        cflags += [
+            '-Wmissing-prototypes',
+            '-std=gnu99',
+        ]
+        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.0'):
+            ccflags += [
+                '-Wmissing-field-initializers',
+            ]
+        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
+            ccflags += [
+                '-Werror=pointer-arith',
+            ]
+            cflags += [
+                '-Werror=declaration-after-statement',
+            ]
+    if msvc:
+        # See also:
+        # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
+        # - cl /?
+        if env['build'] == 'debug':
+            ccflags += [
+              '/Od', # disable optimizations
+              '/Oi', # enable intrinsic functions
+              '/Oy-', # disable frame pointer omission
+              '/GL-', # disable whole program optimization
+            ]
+        else:
+            ccflags += [
+                '/O2', # optimize for speed
+                '/GL', # enable whole program optimization
+            ]
+        ccflags += [
+            '/fp:fast', # fast floating point 
+            '/W3', # warning level
+            #'/Wp64', # enable 64 bit porting warnings
+        ]
+        if env['machine'] == 'x86':
+            ccflags += [
+                #'/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['build'] in ('debug', 'checked'):
+            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 = []
+    shlinkflags = []
+    if gcc:
+        if env['machine'] == 'x86':
+            linkflags += ['-m32']
+        if env['machine'] == 'x86_64':
+            linkflags += ['-m64']
+        if env['platform'] not in ('darwin'):
+            shlinkflags += [
+                '-Wl,-Bsymbolic',
+            ]
+        # Handle circular dependencies in the libraries
+        if env['platform'] in ('darwin'):
+            pass
+        else:
+            env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
+    if msvc:
+        if env['build'] != 'debug':
+            # enable Link-time Code Generation
+            linkflags += ['/LTCG']
+            env.Append(ARFLAGS = ['/LTCG'])
+    if platform == 'windows' and msvc:
+        # See also:
+        # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
+        linkflags += [
+            '/fixed:no',
+            '/incremental:no',
+        ]
+    if platform == 'winddk':
+        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['build'] != 'release':
+            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)
+    env.Append(SHLINKFLAGS = shlinkflags)
+
+    # Default libs
+    env.Append(LIBS = [])
+
+    # Load tools
+    if env['llvm']:
+        env.Tool('llvm')
+        env.Tool('udis86')
+    
+    pkg_config_modules(env, 'x11', ['x11', 'xext'])
+    pkg_config_modules(env, 'drm', ['libdrm'])
+    pkg_config_modules(env, 'drm_intel', ['libdrm_intel'])
+    pkg_config_modules(env, 'drm_radeon', ['libdrm_radeon'])
+    pkg_config_modules(env, 'xorg', ['xorg-server'])
+    pkg_config_modules(env, 'kms', ['libkms'])
+
+    env['dri'] = env['x11'] and env['drm']
+
+    # Custom builders and methods
+    env.Tool('custom')
+    createInstallMethods(env)
+
+    # for debugging
+    #print env.Dump()
+
+
+def exists(env):
+    return 1
diff --git a/mesalib/scons/llvm.py b/mesalib/scons/llvm.py
new file mode 100644
index 000000000..64fb10181
--- /dev/null
+++ b/mesalib/scons/llvm.py
@@ -0,0 +1,168 @@
+"""llvm
+
+Tool-specific initialization for LLVM
+
+"""
+
+#
+# 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
+import os.path
+import re
+import sys
+import distutils.version
+
+import SCons.Errors
+import SCons.Util
+
+
+def generate(env):
+    env['llvm'] = False
+
+    try:
+        llvm_dir = os.environ['LLVM']
+    except KeyError:
+        # Do nothing -- use the system headers/libs
+        llvm_dir = None
+    else:
+        if not os.path.isdir(llvm_dir):
+            raise SCons.Errors.InternalError, "Specified LLVM directory not found"
+
+        if env['debug']:
+            llvm_subdir = 'Debug'
+        else:
+            llvm_subdir = 'Release'
+
+        llvm_bin_dir = os.path.join(llvm_dir, llvm_subdir, 'bin')
+        if not os.path.isdir(llvm_bin_dir):
+            llvm_bin_dir = os.path.join(llvm_dir, 'bin')
+            if not os.path.isdir(llvm_bin_dir):
+                raise SCons.Errors.InternalError, "LLVM binary directory not found"
+
+        env.PrependENVPath('PATH', llvm_bin_dir)
+
+    if env['platform'] == 'windows':
+        # XXX: There is no llvm-config on Windows, so assume a standard layout
+        if llvm_dir is None:
+            print 'scons: LLVM environment variable must be specified when building for windows'
+            return
+
+        # Try to determine the LLVM version from llvm/Config/config.h
+        llvm_config = os.path.join(llvm_dir, 'include/llvm/Config/config.h')
+        if not os.path.exists(llvm_config):
+            print 'scons: could not find %s' % llvm_config
+            return
+        llvm_version_re = re.compile(r'^#define PACKAGE_VERSION "([^"]*)"')
+        llvm_version = None
+        for line in open(llvm_config, 'rt'):
+            mo = llvm_version_re.match(line)
+            if mo:
+                llvm_version = mo.group(1)
+                llvm_version = distutils.version.LooseVersion(llvm_version)
+                break
+        if llvm_version is None:
+            print 'scons: could not determine the LLVM version from %s' % llvm_config
+            return
+
+        env.Prepend(CPPPATH = [os.path.join(llvm_dir, 'include')])
+        env.AppendUnique(CPPDEFINES = [
+            '__STDC_LIMIT_MACROS', 
+            '__STDC_CONSTANT_MACROS',
+            'HAVE_STDINT_H',
+        ])
+        env.Prepend(LIBPATH = [os.path.join(llvm_dir, 'lib')])
+        if llvm_version >= distutils.version.LooseVersion('2.7'):
+            # 2.7
+            env.Prepend(LIBS = [
+                'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
+                'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
+                'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser',
+                'LLVMMCParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
+                'LLVMSelectionDAG', 'LLVMX86Info', 'LLVMAsmPrinter',
+                'LLVMCodeGen', 'LLVMScalarOpts', 'LLVMInstCombine',
+                'LLVMTransformUtils', 'LLVMipa', 'LLVMAsmParser',
+                'LLVMArchive', 'LLVMBitReader', 'LLVMAnalysis', 'LLVMTarget',
+                'LLVMMC', 'LLVMCore', 'LLVMSupport', 'LLVMSystem',
+            ])
+        else:
+            # 2.6
+            env.Prepend(LIBS = [
+                'LLVMX86AsmParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
+                'LLVMX86Info', 'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
+                'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
+                'LLVMDebugger', 'LLVMBitWriter', 'LLVMAsmParser',
+                'LLVMArchive', 'LLVMBitReader', 'LLVMSelectionDAG',
+                'LLVMAsmPrinter', 'LLVMCodeGen', 'LLVMScalarOpts',
+                'LLVMTransformUtils', 'LLVMipa', 'LLVMAnalysis',
+                'LLVMTarget', 'LLVMMC', 'LLVMCore', 'LLVMSupport',
+                'LLVMSystem',
+            ])
+        env.Append(LIBS = [
+            'imagehlp',
+            'psapi',
+        ])
+        if env['msvc']:
+            # Some of the LLVM C headers use the inline keyword without
+            # defining it.
+            env.Append(CPPDEFINES = [('inline', '__inline')])
+            if env['build'] in ('debug', 'checked'):
+                # LLVM libraries are static, build with /MT, and they
+                # automatically link agains LIBCMT. When we're doing a
+                # debug build we'll be linking against LIBCMTD, so disable
+                # that.
+                env.Append(LINKFLAGS = ['/nodefaultlib:LIBCMT'])
+    else:
+        if not env.Detect('llvm-config'):
+            print 'scons: llvm-config script not found' % llvm_version
+            return
+
+        llvm_version = env.backtick('llvm-config --version').rstrip()
+        llvm_version = distutils.version.LooseVersion(llvm_version)
+
+        try:
+            env.ParseConfig('llvm-config --cppflags')
+            env.ParseConfig('llvm-config --libs jit interpreter nativecodegen bitwriter')
+            env.ParseConfig('llvm-config --ldflags')
+        except OSError:
+            print 'scons: llvm-config version %s failed' % llvm_version
+            return
+        else:
+            env['LINK'] = env['CXX']
+
+    assert llvm_version is not None
+    env['llvm'] = True
+
+    print 'scons: Found LLVM version %s' % llvm_version
+    env['LLVM_VERSION'] = llvm_version
+
+    # Define HAVE_LLVM macro with the major/minor version number (e.g., 0x0206 for 2.6)
+    llvm_version_major = int(llvm_version.version[0])
+    llvm_version_minor = int(llvm_version.version[1])
+    llvm_version_hex = '0x%02x%02x' % (llvm_version_major, llvm_version_minor)
+    env.Prepend(CPPDEFINES = [('HAVE_LLVM', llvm_version_hex)])
+
+def exists(env):
+    return True
+
+# vim:set ts=4 sw=4 et:
diff --git a/mesalib/scons/mslib_sa.py b/mesalib/scons/mslib_sa.py
new file mode 100644
index 000000000..d7957f705
--- /dev/null
+++ b/mesalib/scons/mslib_sa.py
@@ -0,0 +1,137 @@
+"""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, 2009 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')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/mesalib/scons/mslink_sa.py b/mesalib/scons/mslink_sa.py
new file mode 100644
index 000000000..a0cfde33e
--- /dev/null
+++ b/mesalib/scons/mslink_sa.py
@@ -0,0 +1,246 @@
+"""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, 2009 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 _dllTargets(target, source, env, for_signature, paramtp):
+    listCmd = []
+    dll = env.FindIxes(target, '%sPREFIX' % paramtp, '%sSUFFIX' % paramtp)
+    if dll: listCmd.append("/out:%s"%dll.get_string(for_signature))
+
+    implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
+    if implib: listCmd.append("/implib:%s"%implib.get_string(for_signature))
+
+    return listCmd
+
+def _dllSources(target, source, env, for_signature, paramtp):
+    listCmd = []
+
+    deffile = env.FindIxes(source, "WINDOWSDEFPREFIX", "WINDOWSDEFSUFFIX")
+    for src in source:
+        # Check explicitly for a non-None deffile so that the __cmp__
+        # method of the base SCons.Util.Proxy class used for some Node
+        # proxies doesn't try to use a non-existent __dict__ attribute.
+        if deffile and src == deffile:
+            # Treat this source as a .def file.
+            listCmd.append("/def:%s" % src.get_string(for_signature))
+        else:
+            # Just treat it as a generic source file.
+            listCmd.append(src)
+    return listCmd
+
+def windowsShlinkTargets(target, source, env, for_signature):
+    return _dllTargets(target, source, env, for_signature, 'SHLIB')
+
+def windowsShlinkSources(target, source, env, for_signature):
+    return _dllSources(target, source, env, for_signature, 'SHLIB')
+
+def _windowsLdmodTargets(target, source, env, for_signature):
+    """Get targets for loadable modules."""
+    return _dllTargets(target, source, env, for_signature, 'LDMODULE')
+
+def _windowsLdmodSources(target, source, env, for_signature):
+    """Get sources for loadable modules."""
+    return _dllSources(target, source, env, for_signature, 'LDMODULE')
+
+def _dllEmitter(target, source, env, paramtp):
+    """Common implementation of dll emitter."""
+    SCons.Tool.msvc.validate_vars(env)
+
+    extratargets = []
+    extrasources = []
+
+    dll = env.FindIxes(target, '%sPREFIX' % paramtp, '%sSUFFIX' % paramtp)
+    no_import_lib = env.get('no_import_lib', 0)
+
+    if not dll:
+        raise SCons.Errors.UserError, 'A shared library should have exactly one target with the suffix: %s' % env.subst('$%sSUFFIX' % paramtp)
+
+    insert_def = env.subst("$WINDOWS_INSERT_DEF")
+    if not insert_def in ['', '0', 0] and \
+       not env.FindIxes(source, "WINDOWSDEFPREFIX", "WINDOWSDEFSUFFIX"):
+
+        # append a def file to the list of sources
+        extrasources.append(
+            env.ReplaceIxes(dll,
+                            '%sPREFIX' % paramtp, '%sSUFFIX' % paramtp,
+                            "WINDOWSDEFPREFIX", "WINDOWSDEFSUFFIX"))
+
+    if env.has_key('PDB') and env['PDB']:
+        pdb = env.arg2nodes('$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,
+                            '%sPREFIX' % paramtp, '%sSUFFIX' % paramtp,
+                            "LIBPREFIX", "LIBSUFFIX"))
+        # and .exp file is created if there are exports from a DLL
+        extratargets.append(
+            env.ReplaceIxes(dll,
+                            '%sPREFIX' % paramtp, '%sSUFFIX' % paramtp,
+                            "WINDOWSEXPPREFIX", "WINDOWSEXPSUFFIX"))
+
+    return (target+extratargets, source+extrasources)
+
+def windowsLibEmitter(target, source, env):
+    return _dllEmitter(target, source, env, 'SHLIB')
+
+def ldmodEmitter(target, source, env):
+    """Emitter for loadable modules.
+    
+    Loadable modules are identical to shared libraries on Windows, but building
+    them is subject to different parameters (LDMODULE*).
+    """
+    return _dllEmitter(target, source, env, 'LDMODULE')
+
+def prog_emitter(target, source, env):
+    SCons.Tool.msvc.validate_vars(env)
+
+    extratargets = []
+
+    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 $_SHLINK_SOURCES")}')
+compositeShLinkAction = shlibLinkAction + regServerCheck
+ldmodLinkAction = SCons.Action.Action('${TEMPFILE("$LDMODULE $LDMODULEFLAGS $_LDMODULE_TARGETS $_LIBDIRFLAGS $_LIBFLAGS $_PDB $_LDMODULE_SOURCES")}')
+compositeLdmodAction = ldmodLinkAction + regServerCheck
+
+def generate(env):
+    """Add Builders and construction variables for ar to an Environment."""
+    SCons.Tool.createSharedLibBuilder(env)
+    SCons.Tool.createProgBuilder(env)
+
+    env['SHLINK']      = '$LINK'
+    env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS /dll')
+    env['_SHLINK_TARGETS'] = windowsShlinkTargets
+    env['_SHLINK_SOURCES'] = windowsShlinkSources
+    env['SHLINKCOM']   =  compositeShLinkAction
+    env.Append(SHLIBEMITTER = [windowsLibEmitter])
+    env['LINK']        = 'link'
+    env['LINKFLAGS']   = SCons.Util.CLVar('/nologo')
+    env['_PDB'] = pdbGenerator
+    env['LINKCOM'] = '${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 ${TARGET.windows}'
+
+    # Loadable modules are on Windows the same as shared libraries, but they
+    # are subject to different build parameters (LDMODULE* variables).
+    # Therefore LDMODULE* variables correspond as much as possible to
+    # SHLINK*/SHLIB* ones.
+    SCons.Tool.createLoadableModuleBuilder(env)
+    env['LDMODULE'] = '$SHLINK'
+    env['LDMODULEPREFIX'] = '$SHLIBPREFIX'
+    env['LDMODULESUFFIX'] = '$SHLIBSUFFIX'
+    env['LDMODULEFLAGS'] = '$SHLINKFLAGS'
+    env['_LDMODULE_TARGETS'] = _windowsLdmodTargets
+    env['_LDMODULE_SOURCES'] = _windowsLdmodSources
+    env['LDMODULEEMITTER'] = [ldmodEmitter]
+    env['LDMODULECOM'] = compositeLdmodAction
+
+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
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/mesalib/scons/msvc_sa.py b/mesalib/scons/msvc_sa.py
new file mode 100644
index 000000000..0bfc8920f
--- /dev/null
+++ b/mesalib/scons/msvc_sa.py
@@ -0,0 +1,246 @@
+"""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, 2009 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
+import SCons.Scanner.RC
+
+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', '$PCHCOMSTR')
+pch_builder = SCons.Builder.Builder(action=pch_action, suffix='.pch',
+                                    emitter=pch_emitter,
+                                    source_scanner=SCons.Tool.SourceFileScanner)
+
+
+# Logic to build .rc files into .res files (resource files)
+res_scanner = SCons.Scanner.RC.RCScan()
+res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
+res_builder = SCons.Builder.Builder(action=res_action,
+                                    src_suffix='.rc',
+                                    suffix='.res',
+                                    src_builder=[],
+                                    source_scanner=res_scanner)
+
+def msvc_batch_key(action, env, target, source):
+    """
+    Returns a key to identify unique batches of sources for compilation.
+
+    If batching is enabled (via the $MSVC_BATCH setting), then all
+    target+source pairs that use the same action, defined by the same
+    environment, and have the same target and source directories, will
+    be batched.
+
+    Returning None specifies that the specified target+source should not
+    be batched with other compilations.
+    """
+    b = env.subst('$MSVC_BATCH')
+    if b in (None, '', '0'):
+        # We're not using batching; return no key.
+        return None
+    t = target[0]
+    s = source[0]
+    if os.path.splitext(t.name)[0] != os.path.splitext(s.name)[0]:
+        # The base names are different, so this *must* be compiled
+        # separately; return no key.
+        return None
+    return (id(action), id(env), t.dir, s.dir)
+
+def msvc_output_flag(target, source, env, for_signature):
+    """
+    Returns the correct /Fo flag for batching.
+
+    If batching is disabled or there's only one source file, then we
+    return an /Fo string that specifies the target explicitly.  Otherwise,
+    we return an /Fo string that just specifies the first target's
+    directory (where the Visual C/C++ compiler will put the .obj files).
+    """
+    b = env.subst('$MSVC_BATCH')
+    if b in (None, '', '0') or len(source) == 1:
+        return '/Fo$TARGET'
+    else:
+        # The Visual C/C++ compiler requires a \ at the end of the /Fo
+        # option to indicate an output directory.  We use os.sep here so
+        # that the test(s) for this can be run on non-Windows systems
+        # without having a hard-coded backslash mess up command-line
+        # argument parsing.
+        return '/Fo${TARGET.dir}' + os.sep
+
+CAction = SCons.Action.Action("$CCCOM", "$CCCOMSTR",
+                              batch_key=msvc_batch_key,
+                              targets='$CHANGED_TARGETS')
+ShCAction = SCons.Action.Action("$SHCCCOM", "$SHCCCOMSTR",
+                                batch_key=msvc_batch_key,
+                                targets='$CHANGED_TARGETS')
+CXXAction = SCons.Action.Action("$CXXCOM", "$CXXCOMSTR",
+                                batch_key=msvc_batch_key,
+                                targets='$CHANGED_TARGETS')
+ShCXXAction = SCons.Action.Action("$SHCXXCOM", "$SHCXXCOMSTR",
+                                  batch_key=msvc_batch_key,
+                                  targets='$CHANGED_TARGETS')
+
+def generate(env):
+    """Add Builders and construction variables for MSVC++ to an Environment."""
+    static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
+
+    # TODO(batch):  shouldn't reach in to cmdgen this way; necessary
+    # for now to bypass the checks in Builder.DictCmdGenerator.__call__()
+    # and allow .cc and .cpp to be compiled in the same command line.
+    static_obj.cmdgen.source_ext_match = False
+    shared_obj.cmdgen.source_ext_match = False
+
+    for suffix in CSuffixes:
+        static_obj.add_action(suffix, CAction)
+        shared_obj.add_action(suffix, ShCAction)
+        static_obj.add_emitter(suffix, static_object_emitter)
+        shared_obj.add_emitter(suffix, shared_object_emitter)
+
+    for suffix in CXXSuffixes:
+        static_obj.add_action(suffix, CXXAction)
+        shared_obj.add_action(suffix, ShCXXAction)
+        static_obj.add_emitter(suffix, static_object_emitter)
+        shared_obj.add_emitter(suffix, shared_object_emitter)
+
+    env['CCPDBFLAGS'] = SCons.Util.CLVar(['${(PDB and "/Z7") or ""}'])
+    env['CCPCHFLAGS'] = SCons.Util.CLVar(['${(PCH and "/Yu%s /Fp%s"%(PCHSTOP or "",File(PCH))) or ""}'])
+    env['_MSVC_OUTPUT_FLAG'] = msvc_output_flag
+    env['_CCCOMCOM']  = '$CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS $CCPCHFLAGS $CCPDBFLAGS'
+    env['CC']         = 'cl'
+    env['CCFLAGS']    = SCons.Util.CLVar('/nologo')
+    env['CFLAGS']     = SCons.Util.CLVar('')
+    env['CCCOM']      = '$CC $_MSVC_OUTPUT_FLAG /c $CHANGED_SOURCES $CFLAGS $CCFLAGS $_CCCOMCOM'
+    env['SHCC']       = '$CC'
+    env['SHCCFLAGS']  = SCons.Util.CLVar('$CCFLAGS')
+    env['SHCFLAGS']   = SCons.Util.CLVar('$CFLAGS')
+    env['SHCCCOM']    = '$SHCC $_MSVC_OUTPUT_FLAG /c $CHANGED_SOURCES $SHCFLAGS $SHCCFLAGS $_CCCOMCOM'
+    env['CXX']        = '$CC'
+    env['CXXFLAGS']   = SCons.Util.CLVar('$( /TP $)')
+    env['CXXCOM']     = '$CXX $_MSVC_OUTPUT_FLAG /c $CHANGED_SOURCES $CXXFLAGS $CCFLAGS $_CCCOMCOM'
+    env['SHCXX']      = '$CXX'
+    env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
+    env['SHCXXCOM']   = '$SHCXX $_MSVC_OUTPUT_FLAG /c $CHANGED_SOURCES $SHCXXFLAGS $SHCCFLAGS $_CCCOMCOM'
+    env['CPPDEFPREFIX']  = '/D'
+    env['CPPDEFSUFFIX']  = ''
+    env['INCPREFIX']  = '/I'
+    env['INCSUFFIX']  = ''
+#    env.Append(OBJEMITTER = [static_object_emitter])
+#    env.Append(SHOBJEMITTER = [shared_object_emitter])
+    env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
+
+    env['RC'] = 'rc'
+    env['RCFLAGS'] = SCons.Util.CLVar('')
+    env['RCSUFFIXES']=['.rc','.rc2']
+    env['RCCOM'] = '$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'] = '$CXX /Fo${TARGETS[1]} $CXXFLAGS $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS /c $SOURCES /Yc$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')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/mesalib/scons/python.py b/mesalib/scons/python.py
new file mode 100644
index 000000000..2314d481a
--- /dev/null
+++ b/mesalib/scons/python.py
@@ -0,0 +1,72 @@
+"""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 ['win32']:
+        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)
+        env.AppendUnique(CPPFLAGS = ['/U_DEBUG'])
+        env.AppendUnique(LINKFLAGS = ['/nodefaultlib:python25_d.lib'])
+    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/mesalib/scons/udis86.py b/mesalib/scons/udis86.py
new file mode 100644
index 000000000..82dd01a8f
--- /dev/null
+++ b/mesalib/scons/udis86.py
@@ -0,0 +1,44 @@
+"""udis86
+
+Tool-specific initialization for udis86
+
+"""
+
+#
+# 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.
+#
+
+def generate(env):
+    conf = env.Configure()
+
+    if conf.CheckHeader('udis86.h'): # and conf.CheckLib('udis86'):
+        env['UDIS86'] = True
+        env.Prepend(LIBS = ['udis86'])
+    else:
+        env['UDIS86'] = False
+
+    conf.Finish()
+
+def exists(env):
+    return True
+
+# vim:set ts=4 sw=4 et:
diff --git a/mesalib/scons/wcesdk.py b/mesalib/scons/wcesdk.py
new file mode 100644
index 000000000..cd797a789
--- /dev/null
+++ b/mesalib/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['build'] == '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/mesalib/scons/winddk.py b/mesalib/scons/winddk.py
new file mode 100644
index 000000000..9e47b9428
--- /dev/null
+++ b/mesalib/scons/winddk.py
@@ -0,0 +1,148 @@
+"""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
+
+versions = [
+    '6001.18002',
+    '3790.1830',
+]
+
+def cpu_bin(target_cpu):
+    if target_cpu == 'i386':
+        return 'x86'
+    else:
+        return target_cpu
+
+def get_winddk_root(env, version):
+    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, version, root):
+    version_major, version_minor = map(int, version.split('.'))
+    
+    if version_major >= 6000:
+        target_os = 'wlh'
+    else:
+        target_os = 'wxp'
+
+    if env['machine'] in ('generic', 'x86'):
+        target_cpu = 'i386'
+    elif env['machine'] == 'x86_64':
+        target_cpu = 'amd64'
+    else:
+        raise SCons.Errors.InternalError, "Unsupported target machine"
+
+    if version_major >= 6000:
+        # TODO: take in consideration the host cpu
+        bin_dir = os.path.join(root, 'bin', 'x86', cpu_bin(target_cpu))
+    else:
+        if target_cpu == 'i386':
+            bin_dir = os.path.join(root, 'bin', 'x86')
+        else:
+            # TODO: take in consideration the host cpu
+            bin_dir = os.path.join(root, 'bin', 'win64', 'x86', cpu_bin(target_cpu))
+    
+    crt_inc_dir = os.path.join(root, 'inc', 'crt')
+    if version_major >= 6000:
+        sdk_inc_dir = os.path.join(root, 'inc', 'api')
+        ddk_inc_dir = os.path.join(root, 'inc', 'ddk')
+        wdm_inc_dir = os.path.join(root, 'inc', 'ddk')
+    else:
+        ddk_inc_dir = os.path.join(root, 'inc', 'ddk', target_os)
+        sdk_inc_dir = os.path.join(root, 'inc', target_os)
+        wdm_inc_dir = os.path.join(root, 'inc', 'ddk', 'wdm', target_os)
+
+    if env['toolchain'] == 'winddk':
+        env.PrependENVPath('PATH', [bin_dir])
+        env.PrependENVPath('INCLUDE', [
+            wdm_inc_dir,
+            ddk_inc_dir,
+            crt_inc_dir,
+            sdk_inc_dir,
+        ])
+        env.PrependENVPath('LIB', [
+            os.path.join(root, 'lib', 'crt', target_cpu),
+            os.path.join(root, 'lib', target_os, target_cpu),
+        ])
+    elif env['toolchain'] == 'crossmingw':
+        env.Prepend(CPPFLAGS = [
+            '-isystem', ddk_inc_dir,
+            '-isystem', sdk_inc_dir,
+        ])
+    else:
+        env.Prepend(CPPPATH = [
+            wdm_inc_dir,
+            ddk_inc_dir,
+            sdk_inc_dir,
+        ])
+        env.Prepend(LIBPATH = [
+            os.path.join(root, 'lib', target_os, target_cpu),
+        ])
+
+
+def generate(env):
+    if not env.has_key('ENV'):
+        env['ENV'] = {}
+
+    for version in versions:
+        root = get_winddk_root(env, version)
+        if root is not None:
+            get_winddk_paths(env, version, root)
+            break
+
+    if env['toolchain'] == 'winddk':
+        msvc_sa.generate(env)
+        mslib_sa.generate(env)
+        mslink_sa.generate(env)
+
+def exists(env):
+    for version in versions:
+        if get_winddk_root(env, version) is not None:
+            return True
+    return False
+
+# vim:set ts=4 sw=4 et:
diff --git a/mesalib/scons/winsdk.py b/mesalib/scons/winsdk.py
new file mode 100644
index 000000000..ab4369046
--- /dev/null
+++ b/mesalib/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:
diff --git a/mesalib/scons/x11.py b/mesalib/scons/x11.py
new file mode 100644
index 000000000..86f090e37
--- /dev/null
+++ b/mesalib/scons/x11.py
@@ -0,0 +1,52 @@
+"""x11
+
+Tool-specific initialization for X11
+
+"""
+
+#
+# Copyright (c) 2010 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.
+#
+
+
+def generate(env):
+    env.Append(CPPPATH = ['/usr/X11R6/include'])
+    env.Append(LIBPATH = ['/usr/X11R6/lib'])
+
+    env.Append(LIBS = [
+        'X11',
+        'Xext',
+        'Xxf86vm',
+        'Xdamage',
+        'Xfixes',
+    ])
+
+
+def exists(env):
+    # TODO: actually detect the presence of the headers
+    if env['platform'] in ('linux', 'freebsd', 'darwin'):
+        return True
+    else:
+        return False
+
+
+# vim:set ts=4 sw=4 et:
-- 
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