kbr@chromium.org | f2ba759 | 2013-06-14 05:29:08 +0000 | [diff] [blame] | 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 | 'BePC': 'x86', |
| 35 | 'Intel': 'x86', |
| 36 | 'ppc' : 'ppc', |
| 37 | 'BeBox': 'ppc', |
| 38 | 'BeMac': 'ppc', |
| 39 | 'AMD64': 'x86_64', |
| 40 | 'x86_64': 'x86_64', |
| 41 | 'sparc': 'sparc', |
| 42 | 'sun4u': 'sparc', |
| 43 | } |
| 44 | |
| 45 | |
| 46 | # find host_machine value |
| 47 | if 'PROCESSOR_ARCHITECTURE' in os.environ: |
| 48 | host_machine = os.environ['PROCESSOR_ARCHITECTURE'] |
| 49 | else: |
| 50 | host_machine = _platform.machine() |
| 51 | host_machine = _machine_map.get(host_machine, 'generic') |
| 52 | |
| 53 | default_machine = host_machine |
| 54 | default_toolchain = 'default' |
| 55 | |
| 56 | if target_platform == 'windows' and host_platform != 'windows': |
| 57 | default_machine = 'x86' |
| 58 | default_toolchain = 'crossmingw' |
| 59 | |
| 60 | |
| 61 | # find default_llvm value |
| 62 | if 'LLVM' in os.environ: |
| 63 | default_llvm = 'yes' |
| 64 | else: |
| 65 | default_llvm = 'no' |
| 66 | try: |
| 67 | if target_platform != 'windows' and \ |
| 68 | subprocess.call(['llvm-config', '--version'], stdout=subprocess.PIPE) == 0: |
| 69 | default_llvm = 'yes' |
| 70 | except: |
| 71 | pass |
| 72 | |
| 73 | |
| 74 | ####################################################################### |
| 75 | # Common options |
| 76 | |
| 77 | def AddOptions(opts): |
| 78 | try: |
| 79 | from SCons.Variables.BoolVariable import BoolVariable as BoolOption |
| 80 | except ImportError: |
| 81 | from SCons.Options.BoolOption import BoolOption |
| 82 | try: |
| 83 | from SCons.Variables.EnumVariable import EnumVariable as EnumOption |
| 84 | except ImportError: |
| 85 | from SCons.Options.EnumOption import EnumOption |
| 86 | opts.Add(EnumOption('build', 'build type', 'debug', |
| 87 | allowed_values=('debug', 'checked', 'profile', 'release'))) |
| 88 | opts.Add(BoolOption('verbose', 'verbose output', 'no')) |
| 89 | opts.Add(EnumOption('machine', 'use machine-specific assembly code', default_machine, |
| 90 | allowed_values=('generic', 'ppc', 'x86', 'x86_64'))) |
| 91 | opts.Add(EnumOption('platform', 'target platform', host_platform, |
| 92 | allowed_values=('cygwin', 'darwin', 'freebsd', 'haiku', 'linux', 'sunos', 'windows'))) |
| 93 | opts.Add(BoolOption('embedded', 'embedded build', 'no')) |
| 94 | opts.Add('toolchain', 'compiler toolchain', default_toolchain) |
| 95 | opts.Add(BoolOption('gles', 'EXPERIMENTAL: enable OpenGL ES support', 'no')) |
| 96 | opts.Add(BoolOption('llvm', 'use LLVM', default_llvm)) |
| 97 | opts.Add(BoolOption('openmp', 'EXPERIMENTAL: compile with openmp (swrast)', 'no')) |
| 98 | opts.Add(BoolOption('debug', 'DEPRECATED: debug build', 'yes')) |
| 99 | opts.Add(BoolOption('profile', 'DEPRECATED: profile build', 'no')) |
| 100 | opts.Add(BoolOption('quiet', 'DEPRECATED: profile build', 'yes')) |
| 101 | opts.Add(BoolOption('texture_float', 'enable floating-point textures and renderbuffers', 'no')) |
| 102 | if host_platform == 'windows': |
| 103 | opts.Add(EnumOption('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0'))) |