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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
digit@google.com48af8a02012-07-30 16:48:13 +000029# Ensure we import our current gyp source's module, not any version
30# pre-installed in your PYTHONPATH.
31sys.path.insert(0, os.path.join(gyp_source_dir, 'pylib'))
epoger@google.com1e8e0562011-06-07 14:48:41 +000032import gyp
33
34def additional_include_files(args=[]):
35 # Determine the include files specified on the command line.
36 # This doesn't cover all the different option formats you can use,
37 # but it's mainly intended to avoid duplicating flags on the automatic
38 # makefile regeneration which only uses this format.
39 specified_includes = set()
40 for arg in args:
41 if arg.startswith('-I') and len(arg) > 2:
42 specified_includes.add(os.path.realpath(arg[2:]))
43
44 result = []
45 def AddInclude(path):
46 if os.path.realpath(path) not in specified_includes:
47 result.append(path)
48
epoger@google.comaa3b6a92012-03-16 13:52:49 +000049 # Always include common.gypi.
50 # We do this, rather than including common.gypi explicitly in all our gyp
51 # files, so that gyp files we use but do not maintain (e.g.,
52 # third_party/externals/libjpeg/libjpeg.gyp) will include common.gypi too.
53 AddInclude(os.path.join(gyp_config_dir, 'common.gypi'))
54
epoger@google.com1e8e0562011-06-07 14:48:41 +000055 return result
56
57if __name__ == '__main__':
58 args = sys.argv[1:]
59
epoger@google.com2d75cc02011-07-14 17:31:33 +000060 # Set CWD to the directory containing this script.
61 # This allows us to launch it from other directories, in spite of gyp's
62 # finickyness about the current working directory.
63 # See http://b.corp.google.com/issue?id=5019517 ('Linux make build
64 # (from out dir) no longer runs skia_gyp correctly')
epoger@google.com7fd589c2011-07-14 18:55:12 +000065 os.chdir(os.path.abspath(script_dir))
epoger@google.com2d75cc02011-07-14 17:31:33 +000066
epoger@google.com1e8e0562011-06-07 14:48:41 +000067 # This could give false positives since it doesn't actually do real option
68 # parsing. Oh well.
69 gyp_file_specified = False
70 for arg in args:
71 if arg.endswith('.gyp'):
72 gyp_file_specified = True
73 break
74
75 # If we didn't get a file, then fall back to assuming 'skia.gyp' from the
76 # same directory as the script.
epoger@google.com2d75cc02011-07-14 17:31:33 +000077 # The gypfile must be passed as a relative path, not an absolute path,
78 # or else the gyp code doesn't write into the proper output dir.
epoger@google.com1e8e0562011-06-07 14:48:41 +000079 if not gyp_file_specified:
epoger@google.com2d75cc02011-07-14 17:31:33 +000080 args.append('skia.gyp')
epoger@google.com1e8e0562011-06-07 14:48:41 +000081
82 args.extend(['-I' + i for i in additional_include_files(args)])
83 args.extend(['--depth', '.'])
84
85 # Tell gyp to write the Makefiles into output_dir
86 args.extend(['--generator-output', os.path.abspath(output_dir)])
87
88 # Tell make to write its output into the same dir
89 args.extend(['-Goutput_dir=.'])
90
epoger@google.com0fb21252011-07-13 21:30:14 +000091 # Special arguments for generating Visual Studio projects:
92 # - msvs_version forces generation of Visual Studio 2010 project so that we
93 # can use msbuild.exe
94 # - msvs_abspath_output is a workaround for
95 # http://code.google.com/p/gyp/issues/detail?id=201
96 args.extend(['-Gmsvs_version=2010'])
epoger@google.com0fb21252011-07-13 21:30:14 +000097
epoger@google.com1e8e0562011-06-07 14:48:41 +000098 print 'Updating projects from gyp files...'
99 sys.stdout.flush()
100
101 # Off we go...
102 sys.exit(gyp.main(args))