| #!/usr/bin/env python |
| # |
| # Copyright 2012 the V8 project authors. All rights reserved. |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following |
| # disclaimer in the documentation and/or other materials provided |
| # with the distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived |
| # from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| # This script is wrapper for V8 that adds some support for how GYP |
| # is invoked by V8 beyond what can be done in the gclient hooks. |
| |
| import glob |
| import os |
| import platform |
| import shlex |
| import sys |
| |
| script_dir = os.path.dirname(__file__) |
| v8_root = os.path.normpath(os.path.join(script_dir, os.pardir)) |
| |
| if __name__ == '__main__': |
| os.chdir(v8_root) |
| script_dir = os.path.dirname(__file__) |
| v8_root = '.' |
| |
| sys.path.insert(0, os.path.join(v8_root, 'build', 'gyp', 'pylib')) |
| import gyp |
| |
| |
| def apply_gyp_environment(file_path=None): |
| """ |
| Reads in a *.gyp_env file and applies the valid keys to os.environ. |
| """ |
| if not file_path or not os.path.exists(file_path): |
| return |
| file_contents = open(file_path).read() |
| try: |
| file_data = eval(file_contents, {'__builtins__': None}, None) |
| except SyntaxError, e: |
| e.filename = os.path.abspath(file_path) |
| raise |
| supported_vars = ( 'V8_GYP_FILE', |
| 'V8_GYP_SYNTAX_CHECK', |
| 'GYP_DEFINES', |
| 'GYP_GENERATOR_FLAGS', |
| 'GYP_GENERATOR_OUTPUT', ) |
| for var in supported_vars: |
| val = file_data.get(var) |
| if val: |
| if var in os.environ: |
| print 'INFO: Environment value for "%s" overrides value in %s.' % ( |
| var, os.path.abspath(file_path) |
| ) |
| else: |
| os.environ[var] = val |
| |
| |
| def additional_include_files(args=[]): |
| """ |
| Returns a list of additional (.gypi) files to include, without |
| duplicating ones that are already specified on the command line. |
| """ |
| # Determine the include files specified on the command line. |
| # This doesn't cover all the different option formats you can use, |
| # but it's mainly intended to avoid duplicating flags on the automatic |
| # makefile regeneration which only uses this format. |
| specified_includes = set() |
| for arg in args: |
| if arg.startswith('-I') and len(arg) > 2: |
| specified_includes.add(os.path.realpath(arg[2:])) |
| |
| result = [] |
| def AddInclude(path): |
| if os.path.realpath(path) not in specified_includes: |
| result.append(path) |
| |
| # Always include standalone.gypi |
| AddInclude(os.path.join(v8_root, 'build', 'standalone.gypi')) |
| |
| # Optionally add supplemental .gypi files if present. |
| supplements = glob.glob(os.path.join(v8_root, '*', 'supplement.gypi')) |
| for supplement in supplements: |
| AddInclude(supplement) |
| |
| return result |
| |
| |
| def run_gyp(args): |
| rc = gyp.main(args) |
| if rc != 0: |
| print 'Error running GYP' |
| sys.exit(rc) |
| |
| |
| if __name__ == '__main__': |
| args = sys.argv[1:] |
| |
| if 'SKIP_V8_GYP_ENV' not in os.environ: |
| # Update the environment based on v8.gyp_env |
| gyp_env_path = os.path.join(os.path.dirname(v8_root), 'v8.gyp_env') |
| apply_gyp_environment(gyp_env_path) |
| |
| # This could give false positives since it doesn't actually do real option |
| # parsing. Oh well. |
| gyp_file_specified = False |
| for arg in args: |
| if arg.endswith('.gyp'): |
| gyp_file_specified = True |
| break |
| |
| # If we didn't get a file, check an env var, and then fall back to |
| # assuming 'all.gyp' from the same directory as the script. |
| if not gyp_file_specified: |
| gyp_file = os.environ.get('V8_GYP_FILE') |
| if gyp_file: |
| # Note that V8_GYP_FILE values can't have backslashes as |
| # path separators even on Windows due to the use of shlex.split(). |
| args.extend(shlex.split(gyp_file)) |
| else: |
| # Note that this must not start with "./" or things break. |
| # So we rely on having done os.chdir(v8_root) above and use the |
| # relative path. |
| args.append(os.path.join('build', 'all.gyp')) |
| |
| args.extend(['-I' + i for i in additional_include_files(args)]) |
| |
| # There shouldn't be a circular dependency relationship between .gyp files |
| args.append('--no-circular-check') |
| |
| # Set the GYP DEPTH variable to the root of the V8 project. |
| args.append('--depth=' + v8_root) |
| |
| # If V8_GYP_SYNTAX_CHECK is set to 1, it will invoke gyp with --check |
| # to enfore syntax checking. |
| syntax_check = os.environ.get('V8_GYP_SYNTAX_CHECK') |
| if syntax_check and int(syntax_check): |
| args.append('--check') |
| |
| print 'Updating projects from gyp files...' |
| sys.stdout.flush() |
| |
| # Generate for the architectures supported on the given platform. |
| gyp_args = list(args) |
| if platform.system() == 'Linux': |
| gyp_args.append('--generator-output=out') |
| run_gyp(gyp_args) |