christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame^] | 1 | # Copyright 2008 Google Inc. All rights reserved. |
| 2 | # Redistribution and use in source and binary forms, with or without |
| 3 | # modification, are permitted provided that the following conditions are |
| 4 | # met: |
| 5 | # |
| 6 | # * Redistributions of source code must retain the above copyright |
| 7 | # notice, this list of conditions and the following disclaimer. |
| 8 | # * Redistributions in binary form must reproduce the above |
| 9 | # copyright notice, this list of conditions and the following |
| 10 | # disclaimer in the documentation and/or other materials provided |
| 11 | # with the distribution. |
| 12 | # * Neither the name of Google Inc. nor the names of its |
| 13 | # contributors may be used to endorse or promote products derived |
| 14 | # from this software without specific prior written permission. |
| 15 | # |
| 16 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | import platform |
| 29 | import sys |
| 30 | from os.path import join, dirname, abspath |
| 31 | root_dir = dirname(File('SConstruct').rfile().abspath) |
| 32 | sys.path.append(join(root_dir, 'tools')) |
| 33 | import js2c |
| 34 | |
| 35 | |
| 36 | def Abort(message): |
| 37 | print message |
| 38 | sys.exit(1) |
| 39 | |
| 40 | |
| 41 | def GuessOS(): |
| 42 | id = platform.system() |
| 43 | if id == 'Linux': |
| 44 | return 'linux' |
| 45 | elif id == 'Darwin': |
| 46 | return 'macos' |
| 47 | elif id == 'Windows': |
| 48 | return 'win32' |
| 49 | else: |
| 50 | Abort("Don't know how to build v8 for OS '%s'." % id) |
| 51 | |
| 52 | |
| 53 | def GuessProcessor(): |
| 54 | id = platform.machine() |
| 55 | if id.startswith('arm'): |
| 56 | return 'arm' |
| 57 | elif (not id) or id.startswith('x86'): |
| 58 | return 'ia32' |
| 59 | else: |
| 60 | Abort("Don't know how to build v8 for processor '%s'." % id) |
| 61 | |
| 62 | |
| 63 | def GuessToolchain(os): |
| 64 | tools = Environment()['TOOLS'] |
| 65 | if 'gcc' in tools: |
| 66 | if os == 'macos' and 'Kernel Version 8' in platform.version(): |
| 67 | return 'gcc-darwin' |
| 68 | else: |
| 69 | return 'gcc' |
| 70 | elif 'msvc' in tools: |
| 71 | return 'msvc' |
| 72 | else: |
| 73 | tools = ', '.join(tools) |
| 74 | Abort("Don't know how to build v8 using these tools: %s" % tools) |
| 75 | |
| 76 | |
| 77 | def GetOptions(): |
| 78 | result = Options() |
| 79 | os_guess = GuessOS() |
| 80 | toolchain_guess = GuessToolchain(os_guess) |
| 81 | processor_guess = GuessProcessor() |
| 82 | result.Add('mode', 'debug or release', 'release') |
| 83 | result.Add('toolchain', 'the toolchain to use (gcc, gcc-darwin or msvc)', toolchain_guess) |
| 84 | result.Add('os', 'the os to build for (linux, macos or win32)', os_guess) |
| 85 | result.Add('processor', 'the processor to build for (arm or ia32)', processor_guess) |
| 86 | result.Add('snapshot', 'build using snapshots for faster start-up (on, off)', 'off') |
| 87 | result.Add('library', 'which type of library to produce (static, shared, default)', 'default') |
| 88 | return result |
| 89 | |
| 90 | |
| 91 | def VerifyOptions(env): |
| 92 | if not env['mode'] in ['debug', 'release']: |
| 93 | Abort("Unknown build mode '%s'." % env['mode']) |
| 94 | if not env['toolchain'] in ['gcc', 'gcc-darwin', 'msvc']: |
| 95 | Abort("Unknown toolchain '%s'." % env['toolchain']) |
| 96 | if not env['os'] in ['linux', 'macos', 'win32']: |
| 97 | Abort("Unknown os '%s'." % env['os']) |
| 98 | if not env['processor'] in ['arm', 'ia32']: |
| 99 | Abort("Unknown processor '%s'." % env['processor']) |
| 100 | if not env['snapshot'] in ['on', 'off']: |
| 101 | Abort("Illegal value for option snapshot: '%s'." % env['snapshot']) |
| 102 | if not env['library'] in ['static', 'shared', 'default']: |
| 103 | Abort("Illegal value for option library: '%s'." % env['library']) |
| 104 | |
| 105 | |
| 106 | def Start(): |
| 107 | opts = GetOptions() |
| 108 | env = Environment(options=opts) |
| 109 | Help(opts.GenerateHelpText(env)) |
| 110 | VerifyOptions(env) |
| 111 | |
| 112 | os = env['os'] |
| 113 | arch = env['processor'] |
| 114 | toolchain = env['toolchain'] |
| 115 | mode = env['mode'] |
| 116 | use_snapshot = (env['snapshot'] == 'on') |
| 117 | library_type = env['library'] |
| 118 | |
| 119 | env.SConscript( |
| 120 | join('src', 'SConscript'), |
| 121 | build_dir=mode, |
| 122 | exports='toolchain arch os mode use_snapshot library_type', |
| 123 | duplicate=False |
| 124 | ) |
| 125 | |
| 126 | |
| 127 | Start() |