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epoger@google.com1e8e0562011-06-07 14:48:41 +00001#!/usr/bin/python
epoger@google.comfd03db02011-07-28 14:24:55 +00002
3# Copyright 2011 The Android Open Source Project
epoger@google.com1e8e0562011-06-07 14:48:41 +00004#
epoger@google.comfd03db02011-07-28 14:24:55 +00005# Use of this source code is governed by a BSD-style license that can be
6# found in the LICENSE file.
epoger@google.com1e8e0562011-06-07 14:48:41 +00007
8# This script is a wrapper which invokes gyp with the correct --depth argument,
9# and supports the automatic regeneration of build files if all.gyp is
10# changed (Linux-only).
11
12import glob
13import os
14import shlex
15import sys
16
17script_dir = os.path.dirname(__file__)
18
19# Directory within which we can find the gyp source.
epoger@google.com0ae27e02011-06-14 16:01:04 +000020gyp_source_dir = os.path.join(script_dir, 'third_party', 'externals', 'gyp')
epoger@google.com1e8e0562011-06-07 14:48:41 +000021
22# Directory within which we can find most of Skia's gyp configuration files.
23gyp_config_dir = os.path.join(script_dir, 'gyp')
24
25# Directory within which we want all generated files (including Makefiles)
26# to be written.
27output_dir = os.path.join(os.path.abspath(script_dir), 'out')
28
29sys.path.append(os.path.join(gyp_source_dir, 'pylib'))
30import gyp
31
32def additional_include_files(args=[]):
33 # Determine the include files specified on the command line.
34 # This doesn't cover all the different option formats you can use,
35 # but it's mainly intended to avoid duplicating flags on the automatic
36 # makefile regeneration which only uses this format.
37 specified_includes = set()
38 for arg in args:
39 if arg.startswith('-I') and len(arg) > 2:
40 specified_includes.add(os.path.realpath(arg[2:]))
41
42 result = []
43 def AddInclude(path):
44 if os.path.realpath(path) not in specified_includes:
45 result.append(path)
46
epoger@google.com1e8e0562011-06-07 14:48:41 +000047 return result
48
49if __name__ == '__main__':
50 args = sys.argv[1:]
51
epoger@google.com2d75cc02011-07-14 17:31:33 +000052 # Set CWD to the directory containing this script.
53 # This allows us to launch it from other directories, in spite of gyp's
54 # finickyness about the current working directory.
55 # See http://b.corp.google.com/issue?id=5019517 ('Linux make build
56 # (from out dir) no longer runs skia_gyp correctly')
epoger@google.com7fd589c2011-07-14 18:55:12 +000057 os.chdir(os.path.abspath(script_dir))
epoger@google.com2d75cc02011-07-14 17:31:33 +000058
epoger@google.com1e8e0562011-06-07 14:48:41 +000059 # This could give false positives since it doesn't actually do real option
60 # parsing. Oh well.
61 gyp_file_specified = False
62 for arg in args:
63 if arg.endswith('.gyp'):
64 gyp_file_specified = True
65 break
66
67 # If we didn't get a file, then fall back to assuming 'skia.gyp' from the
68 # same directory as the script.
epoger@google.com2d75cc02011-07-14 17:31:33 +000069 # The gypfile must be passed as a relative path, not an absolute path,
70 # or else the gyp code doesn't write into the proper output dir.
epoger@google.com1e8e0562011-06-07 14:48:41 +000071 if not gyp_file_specified:
epoger@google.com2d75cc02011-07-14 17:31:33 +000072 args.append('skia.gyp')
epoger@google.com1e8e0562011-06-07 14:48:41 +000073
74 args.extend(['-I' + i for i in additional_include_files(args)])
75 args.extend(['--depth', '.'])
76
77 # Tell gyp to write the Makefiles into output_dir
78 args.extend(['--generator-output', os.path.abspath(output_dir)])
79
80 # Tell make to write its output into the same dir
81 args.extend(['-Goutput_dir=.'])
82
epoger@google.com0fb21252011-07-13 21:30:14 +000083 # Special arguments for generating Visual Studio projects:
84 # - msvs_version forces generation of Visual Studio 2010 project so that we
85 # can use msbuild.exe
86 # - msvs_abspath_output is a workaround for
87 # http://code.google.com/p/gyp/issues/detail?id=201
88 args.extend(['-Gmsvs_version=2010'])
epoger@google.com0fb21252011-07-13 21:30:14 +000089
epoger@google.com1e8e0562011-06-07 14:48:41 +000090 print 'Updating projects from gyp files...'
91 sys.stdout.flush()
92
93 # Off we go...
94 sys.exit(gyp.main(args))