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1"""dxsdk
2
3Tool-specific initialization for Microsoft DirectX SDK
4
5"""
6
7#
8# Copyright (c) 2009 VMware, Inc.
9#
10# Permission is hereby granted, free of charge, to any person obtaining
11# a copy of this software and associated documentation files (the
12# "Software"), to deal in the Software without restriction, including
13# without limitation the rights to use, copy, modify, merge, publish,
14# distribute, sublicense, and/or sell copies of the Software, and to
15# permit persons to whom the Software is furnished to do so, subject to
16# the following conditions:
17#
18# The above copyright notice and this permission notice shall be included
19# in all copies or substantial portions of the Software.
20#
21# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
22# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
23# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28#
29
30import os
31import os.path
32
33import SCons.Errors
34import SCons.Util
35
36
37def get_dxsdk_root(env):
38    try:
39        return os.environ['DXSDK_DIR']
40    except KeyError:
41        return None
42
43def generate(env):
44    dxsdk_root = get_dxsdk_root(env)
45    if dxsdk_root is None:
46        # DirectX SDK not found
47        return
48
49    if env['machine'] in ('generic', 'x86'):
50        target_cpu = 'x86'
51    elif env['machine'] == 'x86_64':
52        target_cpu = 'x64'
53    else:
54        raise SCons.Errors.InternalError, "Unsupported target machine"
55
56    include_dir = os.path.join(dxsdk_root, 'Include')
57    lib_dir = os.path.join(dxsdk_root, 'Lib', target_cpu)
58
59    env.Append(CPPDEFINES = [('HAVE_DXSDK', '1')])
60
61    gcc = 'gcc' in os.path.basename(env['CC']).split('-')
62    if gcc:
63        # Make GCC more forgiving towards Microsoft's headers
64        env.Prepend(CPPFLAGS = ['-isystem', include_dir])
65    else:
66        env.Prepend(CPPPATH = [include_dir])
67
68    env.Prepend(LIBPATH = [lib_dir])
69
70def exists(env):
71    return get_dxsdk_root(env) is not None
72
73# vim:set ts=4 sw=4 et:
74