gyp_skia revision 1e8e056afc6a7fc533f696e93771bde861a53db7 
1#!/usr/bin/python
2#
3# Copyright (C) 2011 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#      http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# This script is a wrapper which invokes gyp with the correct --depth argument,
18# and supports the automatic regeneration of build files if all.gyp is
19# changed (Linux-only).
20
21import glob
22import os
23import shlex
24import sys
25
26script_dir = os.path.dirname(__file__)
27
28# Directory within which we can find the gyp source.
29gyp_source_dir = os.path.join(script_dir, 'third_party', 'externals', 'gyp')
30
31# Directory within which we can find most of Skia's gyp configuration files.
32gyp_config_dir = os.path.join(script_dir, 'gyp')
33
34# Directory within which we want all generated files (including Makefiles)
35# to be written.
36output_dir = os.path.join(os.path.abspath(script_dir), 'out')
37
38sys.path.append(os.path.join(gyp_source_dir, 'pylib'))
39import gyp
40
41def additional_include_files(args=[]):
42  # Determine the include files specified on the command line.
43  # This doesn't cover all the different option formats you can use,
44  # but it's mainly intended to avoid duplicating flags on the automatic
45  # makefile regeneration which only uses this format.
46  specified_includes = set()
47  for arg in args:
48    if arg.startswith('-I') and len(arg) > 2:
49      specified_includes.add(os.path.realpath(arg[2:]))
50
51  result = []
52  def AddInclude(path):
53    if os.path.realpath(path) not in specified_includes:
54      result.append(path)
55
56  # Always include common.gypi
57  AddInclude(os.path.join(gyp_config_dir, 'common.gypi'))
58
59  return result
60
61if __name__ == '__main__':
62  args = sys.argv[1:]
63
64  # This could give false positives since it doesn't actually do real option
65  # parsing.  Oh well.
66  gyp_file_specified = False
67  for arg in args:
68    if arg.endswith('.gyp'):
69      gyp_file_specified = True
70      break
71
72  # If we didn't get a file, then fall back to assuming 'skia.gyp' from the
73  # same directory as the script.
74  if not gyp_file_specified:
75    args.append(os.path.join(script_dir, 'skia.gyp'))
76
77  args.extend(['-I' + i for i in additional_include_files(args)])
78  args.extend(['--depth', '.'])
79
80  # Tell gyp to write the Makefiles into output_dir
81  args.extend(['--generator-output', os.path.abspath(output_dir)])
82
83  # Tell make to write its output into the same dir
84  args.extend(['-Goutput_dir=.'])
85
86  print 'Updating projects from gyp files...'
87  sys.stdout.flush()
88
89  # Off we go...
90  sys.exit(gyp.main(args))
91