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"""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: