Squashed commit of the following:
[mesa.git] / common.py
1 #######################################################################
2 # Common SCons code
3
4 import os
5 import os.path
6 import re
7 import subprocess
8 import sys
9 import platform as _platform
10
11 import SCons.Script.SConscript
12
13
14 #######################################################################
15 # Defaults
16
17 host_platform = _platform.system().lower()
18 if 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.
23 if 'platform' in SCons.Script.ARGUMENTS:
24 target_platform = SCons.Script.ARGUMENTS['platform']
25 else:
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
41 if 'PROCESSOR_ARCHITECTURE' in os.environ:
42 host_machine = os.environ['PROCESSOR_ARCHITECTURE']
43 else:
44 host_machine = _platform.machine()
45 host_machine = _machine_map.get(host_machine, 'generic')
46
47 default_machine = host_machine
48 default_toolchain = 'default'
49
50 if target_platform == 'windows' and host_platform != 'windows':
51 default_machine = 'x86'
52 default_toolchain = 'crossmingw'
53
54
55 # find default_llvm value
56 if 'LLVM' in os.environ:
57 default_llvm = 'yes'
58 else:
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
71 def 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('verbose', 'verbose output', 'no'))
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(BoolOption('quiet', 'DEPRECATED: profile build', 'yes'))
94 if host_platform == 'windows':
95 opts.Add(EnumOption('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0')))