#!/usr/bin/env python

# Copyright (C) 2009 Google Inc. All rights reserved.

#

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# met:

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#     this list of conditions and the following disclaimer.

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#     may be used to endorse or promote products derived from this software

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#

# 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

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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#

# This file is used by gclient execute gyp with the proper command

# line arguments.

import glob

import os

import shlex

import sys

script_dir = os.path.dirname(__file__)

sys.path.append(os.path.join(script_dir, 'tools', 'gyp', 'pylib'))

import gyp

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 common.gypi

  AddInclude(os.path.join(script_dir, 'build', 'common.gypi'))

  # Optionally add supplemental .gypi files if present.

  supplements = glob.glob(os.path.join(script_dir, '*', 'supplement.gypi'))

  for supplement in supplements:

    AddInclude(supplement)

  return result

if __name__ == '__main__':

  args = sys.argv[1:]

  # Add includes.

  args.extend(['-I' + i for i in additional_include_files(args)])

  # On linux, we want gyp to output a makefile (default is scons).

  if sys.platform == 'linux2':

    args.extend(['-fmake',

                 '--suffix=.chromium',

                 '--toplevel-dir=../..',

                 # auto_regeneration doesn't work with toplevel-dir

                 '-Gauto_regeneration=0'])

  # Other command args:

  args.extend([

               # gyp variable defines.

               '-Dinside_chromium_build=0',

               '-Dv8_use_snapshot=false',

               '-Dmsvs_use_common_release=0',

               # gyp hack: otherwise gyp assumes its in chromium's src/ dir.

               '--depth=./',

               # gyp file to execute.

               'WebKit.gyp'])

  print 'Updating webkit projects from gyp files...'

  sys.stdout.flush()

  # Off we go...

  sys.exit(gyp.main(args))