common.py revision 41750107496858a047afa8d81d20fe903f285a78 
1#######################################################################
2# Common SCons code
3
4import os
5import os.path
6import re
7import subprocess
8import sys
9import platform as _platform
10
11import SCons.Script.SConscript
12
13
14#######################################################################
15# Defaults
16
17host_platform = _platform.system().lower()
18if host_platform.startswith('cygwin'):
19    host_platform = 'cygwin'
20
21# Search sys.argv[] for a "platform=foo" argument since we don't have
22# an 'env' variable at this point.
23if 'platform' in SCons.Script.ARGUMENTS:
24    target_platform = SCons.Script.ARGUMENTS['platform']
25else:
26    target_platform = host_platform
27
28_machine_map = {
29	'x86': 'x86',
30	'i386': 'x86',
31	'i486': 'x86',
32	'i586': 'x86',
33	'i686': 'x86',
34	'ppc' : 'ppc',
35	'AMD64': 'x86_64',
36	'x86_64': 'x86_64',
37}
38
39
40# find host_machine value
41if 'PROCESSOR_ARCHITECTURE' in os.environ:
42	host_machine = os.environ['PROCESSOR_ARCHITECTURE']
43else:
44	host_machine = _platform.machine()
45host_machine = _machine_map.get(host_machine, 'generic')
46
47default_machine = host_machine
48default_toolchain = 'default'
49
50if target_platform == 'windows' and host_platform != 'windows':
51    default_machine = 'x86'
52    default_toolchain = 'crossmingw'
53
54
55# find default_llvm value
56if 'LLVM' in os.environ:
57    default_llvm = 'yes'
58else:
59    default_llvm = 'no'
60    try:
61        if target_platform != 'windows' and \
62           subprocess.call(['llvm-config', '--version'], stdout=subprocess.PIPE) == 0:
63            default_llvm = 'yes'
64    except:
65        pass
66
67
68#######################################################################
69# Common options
70
71def AddOptions(opts):
72	try:
73		from SCons.Variables.BoolVariable import BoolVariable as BoolOption
74	except ImportError:
75		from SCons.Options.BoolOption import BoolOption
76	try:
77		from SCons.Variables.EnumVariable import EnumVariable as EnumOption
78	except ImportError:
79		from SCons.Options.EnumOption import EnumOption
80	opts.Add(EnumOption('build', 'build type', 'debug',
81	                  allowed_values=('debug', 'checked', 'profile', 'release')))
82	opts.Add(BoolOption('quiet', 'quiet command lines', 'yes'))
83	opts.Add(EnumOption('machine', 'use machine-specific assembly code', default_machine,
84											 allowed_values=('generic', 'ppc', 'x86', 'x86_64')))
85	opts.Add(EnumOption('platform', 'target platform', host_platform,
86											 allowed_values=('linux', 'cell', 'windows', 'winddk', 'wince', 'darwin', 'cygwin', 'sunos', 'freebsd8')))
87	opts.Add(BoolOption('embedded', 'embedded build', 'no'))
88	opts.Add('toolchain', 'compiler toolchain', default_toolchain)
89	opts.Add(BoolOption('gles', 'EXPERIMENTAL: enable OpenGL ES support', 'no'))
90	opts.Add(BoolOption('llvm', 'use LLVM', default_llvm))
91	opts.Add(BoolOption('debug', 'DEPRECATED: debug build', 'yes'))
92	opts.Add(BoolOption('profile', 'DEPRECATED: profile build', 'no'))
93	opts.Add(EnumOption('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0')))
94