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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
djsollen@google.comab5e9112012-11-28 14:11:41 +000014import platform
epoger@google.com1e8e0562011-06-07 14:48:41 +000015import shlex
16import sys
17
commit-bot@chromium.orgbf6f6ae2014-04-17 16:11:58 +000018script_dir = os.path.abspath(os.path.dirname(__file__))
epoger@google.com1e8e0562011-06-07 14:48:41 +000019
20# Directory within which we can find the gyp source.
epoger@google.com0ae27e02011-06-14 16:01:04 +000021gyp_source_dir = os.path.join(script_dir, 'third_party', 'externals', 'gyp')
epoger@google.com1e8e0562011-06-07 14:48:41 +000022
23# Directory within which we can find most of Skia's gyp configuration files.
24gyp_config_dir = os.path.join(script_dir, 'gyp')
25
digit@google.com48af8a02012-07-30 16:48:13 +000026# Ensure we import our current gyp source's module, not any version
27# pre-installed in your PYTHONPATH.
28sys.path.insert(0, os.path.join(gyp_source_dir, 'pylib'))
epoger@google.com1e8e0562011-06-07 14:48:41 +000029import gyp
30
commit-bot@chromium.org72255062014-03-20 19:59:09 +000031ENVVAR_GYP_GENERATORS = 'GYP_GENERATORS'
jvanverth49621402014-06-04 15:57:57 -070032ENVVAR_GYP_GENERATOR_FLAGS = 'GYP_GENERATOR_FLAGS'
commit-bot@chromium.org72255062014-03-20 19:59:09 +000033
34
epoger@google.com1e8e0562011-06-07 14:48:41 +000035def additional_include_files(args=[]):
36 # Determine the include files specified on the command line.
37 # This doesn't cover all the different option formats you can use,
38 # but it's mainly intended to avoid duplicating flags on the automatic
39 # makefile regeneration which only uses this format.
40 specified_includes = set()
41 for arg in args:
42 if arg.startswith('-I') and len(arg) > 2:
43 specified_includes.add(os.path.realpath(arg[2:]))
44
45 result = []
46 def AddInclude(path):
47 if os.path.realpath(path) not in specified_includes:
48 result.append(path)
49
epoger@google.comaa3b6a92012-03-16 13:52:49 +000050 # Always include common.gypi.
51 # We do this, rather than including common.gypi explicitly in all our gyp
52 # files, so that gyp files we use but do not maintain (e.g.,
53 # third_party/externals/libjpeg/libjpeg.gyp) will include common.gypi too.
54 AddInclude(os.path.join(gyp_config_dir, 'common.gypi'))
55
epoger@google.com1e8e0562011-06-07 14:48:41 +000056 return result
57
tfarina@chromium.org2b0126b2014-05-08 15:13:52 +000058# Return the directory where all the build files are to be written.
djsollen@google.comab5e9112012-11-28 14:11:41 +000059def get_output_dir():
djsollen@google.comab5e9112012-11-28 14:11:41 +000060 # SKIA_OUT can be any directory either as a child of the standard out/
61 # directory or any given location on the file system (e.g. /tmp/skia)
62 output_dir = os.getenv('SKIA_OUT')
63
64 if not output_dir:
65 return os.path.join(os.path.abspath(script_dir), 'out')
66
commit-bot@chromium.org72255062014-03-20 19:59:09 +000067 if (sys.platform.startswith('darwin') and
68 (not os.getenv(ENVVAR_GYP_GENERATORS) or
69 'xcode' in os.getenv(ENVVAR_GYP_GENERATORS))):
borenet@google.com072ee7d2013-07-10 19:07:56 +000070 print 'ERROR: variable SKIA_OUT is not valid on Mac (using xcodebuild)'
djsollen@google.comab5e9112012-11-28 14:11:41 +000071 sys.exit(-1);
72
73 if os.path.isabs(output_dir):
74 return output_dir
75 else:
76 return os.path.join(os.path.abspath(script_dir), output_dir)
77
78
epoger@google.com1e8e0562011-06-07 14:48:41 +000079if __name__ == '__main__':
80 args = sys.argv[1:]
81
commit-bot@chromium.org72255062014-03-20 19:59:09 +000082 if not os.getenv(ENVVAR_GYP_GENERATORS):
83 print ('%s environment variable not set, using default' %
84 ENVVAR_GYP_GENERATORS)
85 if sys.platform.startswith('darwin'):
epoger@google.com58d69d82014-04-01 07:02:41 +000086 default_gyp_generators = 'ninja,xcode'
commit-bot@chromium.org72255062014-03-20 19:59:09 +000087 elif sys.platform.startswith('win'):
bsalomona5c28242014-06-05 07:10:21 -070088 default_gyp_generators = 'ninja,msvs-ninja'
commit-bot@chromium.org72255062014-03-20 19:59:09 +000089 elif sys.platform.startswith('cygwin'):
bsalomona5c28242014-06-05 07:10:21 -070090 default_gyp_generators = 'ninja,msvs-ninja'
commit-bot@chromium.org72255062014-03-20 19:59:09 +000091 else:
epoger@google.com58d69d82014-04-01 07:02:41 +000092 default_gyp_generators = 'ninja'
commit-bot@chromium.org72255062014-03-20 19:59:09 +000093 os.environ[ENVVAR_GYP_GENERATORS] = default_gyp_generators
94 print '%s is "%s"' % (ENVVAR_GYP_GENERATORS, os.getenv(ENVVAR_GYP_GENERATORS))
95
epoger@google.com2d75cc02011-07-14 17:31:33 +000096 # Set CWD to the directory containing this script.
97 # This allows us to launch it from other directories, in spite of gyp's
98 # finickyness about the current working directory.
99 # See http://b.corp.google.com/issue?id=5019517 ('Linux make build
100 # (from out dir) no longer runs skia_gyp correctly')
epoger@google.com7fd589c2011-07-14 18:55:12 +0000101 os.chdir(os.path.abspath(script_dir))
epoger@google.com2d75cc02011-07-14 17:31:33 +0000102
epoger@google.com1e8e0562011-06-07 14:48:41 +0000103 # This could give false positives since it doesn't actually do real option
104 # parsing. Oh well.
105 gyp_file_specified = False
106 for arg in args:
107 if arg.endswith('.gyp'):
108 gyp_file_specified = True
109 break
110
111 # If we didn't get a file, then fall back to assuming 'skia.gyp' from the
112 # same directory as the script.
epoger@google.com2d75cc02011-07-14 17:31:33 +0000113 # The gypfile must be passed as a relative path, not an absolute path,
114 # or else the gyp code doesn't write into the proper output dir.
epoger@google.com1e8e0562011-06-07 14:48:41 +0000115 if not gyp_file_specified:
epoger@google.com2d75cc02011-07-14 17:31:33 +0000116 args.append('skia.gyp')
epoger@google.com1e8e0562011-06-07 14:48:41 +0000117
118 args.extend(['-I' + i for i in additional_include_files(args)])
119 args.extend(['--depth', '.'])
120
tfarina@chromium.org2b0126b2014-05-08 15:13:52 +0000121 # Tell gyp to write the build files into output_dir.
djsollen@google.comab5e9112012-11-28 14:11:41 +0000122 args.extend(['--generator-output', os.path.abspath(get_output_dir())])
epoger@google.com1e8e0562011-06-07 14:48:41 +0000123
tfarina@chromium.org2b0126b2014-05-08 15:13:52 +0000124 # Tell ninja to write its output into the same directory.
epoger@google.com1e8e0562011-06-07 14:48:41 +0000125 args.extend(['-Goutput_dir=.'])
126
epoger@google.com9c875d32012-10-18 16:10:56 +0000127 # By default, we build 'most' instead of 'all' or 'everything'. See skia.gyp.
128 args.extend(['-Gdefault_target=most'])
129
jvanverth49621402014-06-04 15:57:57 -0700130 # Fail if any files specified in the project are missing
131 if sys.platform.startswith('win'):
132 gyp_generator_flags = os.getenv(ENVVAR_GYP_GENERATOR_FLAGS, '')
133 if not 'msvs_error_on_missing_sources' in gyp_generator_flags:
134 os.environ[ENVVAR_GYP_GENERATOR_FLAGS] = (
135 gyp_generator_flags + ' msvs_error_on_missing_sources=1')
136
mtklein2e44b512014-06-06 08:27:07 -0700137 # GYP is very conservative about how many concurrent linker calls it allows,
138 # to fit in RAM. We don't need to be nearly as conservative as Chrome. We'll
139 # just turn that feature off.
140 os.environ['GYP_LINK_CONCURRENCY'] = '9001'
141
epoger@google.com1e8e0562011-06-07 14:48:41 +0000142 print 'Updating projects from gyp files...'
143 sys.stdout.flush()
144
bungeman@google.combbce7302014-05-09 15:04:18 +0000145 if '--dry-run' in args:
146 args.remove('--dry-run')
147 print gyp_source_dir, ' '.join(args)
148 else:
149 # Off we go...
150 sys.exit(gyp.main(args))