#!/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 argparse import glob import gyp_environment import os import platform import shlex import subprocess import sys script_dir = os.path.dirname(os.path.realpath(__file__)) v8_root = os.path.abspath(os.path.join(script_dir, os.pardir)) sys.path.insert(0, os.path.join(v8_root, 'tools', 'gyp', 'pylib')) import gyp # Add paths so that pymod_do_main(...) can import files. sys.path.insert( 1, os.path.abspath(os.path.join(v8_root, 'tools', 'generate_shim_headers'))) def GetOutputDirectory(): """Returns the output directory that GYP will use.""" # Handle command line generator flags. parser = argparse.ArgumentParser() parser.add_argument('-G', dest='genflags', default=[], action='append') genflags = parser.parse_known_args()[0].genflags # Handle generator flags from the environment. genflags += shlex.split(os.environ.get('GYP_GENERATOR_FLAGS', '')) needle = 'output_dir=' for item in genflags: if item.startswith(needle): return item[len(needle):] return 'out' 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, 'gypfiles', '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): if gyp.main(args) != 0: print 'Error running GYP' sys.exit(rc) if __name__ == '__main__': args = sys.argv[1:] gyp_chromium_no_action = os.environ.get('GYP_CHROMIUM_NO_ACTION') if gyp_chromium_no_action == '1': print 'Skipping gyp_v8 due to GYP_CHROMIUM_NO_ACTION env var.' sys.exit(0) running_as_hook = '--running-as-hook' if running_as_hook in args and gyp_chromium_no_action != '0': print 'GYP is now disabled by default in runhooks.\n' print 'If you really want to run this, either run ' print '`python gypfiles/gyp_v8` explicitly by hand ' print 'or set the environment variable GYP_CHROMIUM_NO_ACTION=0.' sys.exit(0) if running_as_hook in args: args.remove(running_as_hook) gyp_environment.set_environment() # 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: args.append(os.path.join(script_dir, '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=' + os.path.relpath(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) gyp_args.extend(['-D', 'gyp_output_dir=' + GetOutputDirectory()]) gyp_generators = os.environ.get('GYP_GENERATORS', '') if platform.system() == 'Linux' and gyp_generators != 'ninja': # Work around for crbug.com/331475. for f in glob.glob(os.path.join(v8_root, 'out', 'Makefile.*')): os.unlink(f) # --generator-output defines where the Makefile goes. gyp_args.append('--generator-output=out') # -Goutput_dir defines where the build output goes, relative to the # Makefile. Set it to . so that the build output doesn't end up in out/out. gyp_args.append('-Goutput_dir=.') gyp_defines = os.environ.get('GYP_DEFINES', '') # Automatically turn on crosscompile support for platforms that need it. if all(('ninja' in gyp_generators, 'OS=android' in gyp_defines, 'GYP_CROSSCOMPILE' not in os.environ)): os.environ['GYP_CROSSCOMPILE'] = '1' run_gyp(gyp_args)