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epoger@google.com1e8e0562011-06-07 14:48:41 +00001#!/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.
epoger@google.com0ae27e02011-06-14 16:01:04 +000029gyp_source_dir = os.path.join(script_dir, 'third_party', 'externals', 'gyp')
epoger@google.com1e8e0562011-06-07 14:48:41 +000030
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))