3 # Copyright 2011 The Android Open Source Project
5 # Use of this source code is governed by a BSD-style license that can be
6 # found in the LICENSE file.
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).
18 script_dir = os.path.abspath(os.path.dirname(__file__))
20 # Directory within which we can find the gyp source.
21 gyp_source_dir = os.path.join(script_dir, 'third_party', 'externals', 'gyp')
23 # Directory within which we can find most of Skia's gyp configuration files.
24 gyp_config_dir = os.path.join(script_dir, 'gyp')
26 # Allow the user to override the directory where gyp should produce its output
27 # Default to the current directory.
28 gyp_output_dir = os.environ.get('SKIA_GYP_OUTPUT_DIR', '.')
30 # Ensure we import our current gyp source's module, not any version
31 # pre-installed in your PYTHONPATH.
32 sys.path.insert(0, os.path.join(gyp_source_dir, 'pylib'))
35 ENVVAR_GYP_GENERATORS = 'GYP_GENERATORS'
36 ENVVAR_GYP_GENERATOR_FLAGS = 'GYP_GENERATOR_FLAGS'
39 def additional_include_files(args=[]):
40 # Determine the include files specified on the command line.
41 # This doesn't cover all the different option formats you can use,
42 # but it's mainly intended to avoid duplicating flags on the automatic
43 # makefile regeneration which only uses this format.
44 specified_includes = set()
46 if arg.startswith('-I') and len(arg) > 2:
47 specified_includes.add(os.path.realpath(arg[2:]))
51 if os.path.realpath(path) not in specified_includes:
54 # Always include common.gypi.
55 # We do this, rather than including common.gypi explicitly in all our gyp
56 # files, so that gyp files we use but do not maintain (e.g.,
57 # third_party/externals/libjpeg/libjpeg.gyp) will include common.gypi too.
58 AddInclude(os.path.join(gyp_config_dir, 'common.gypi'))
62 # Return the directory where all the build files are to be written.
64 # SKIA_OUT can be any directory either as a child of the standard out/
65 # directory or any given location on the file system (e.g. /tmp/skia)
66 output_dir = os.getenv('SKIA_OUT')
69 return os.path.join(os.path.abspath(script_dir), 'out')
71 if os.path.isabs(output_dir):
74 return os.path.join(os.path.abspath(script_dir), output_dir)
77 if __name__ == '__main__':
80 if not os.getenv(ENVVAR_GYP_GENERATORS):
81 print ('%s environment variable not set, using default' %
82 ENVVAR_GYP_GENERATORS)
83 if sys.platform.startswith('darwin'):
84 default_gyp_generators = 'ninja,xcode'
85 elif sys.platform.startswith('win'):
86 default_gyp_generators = 'ninja,msvs-ninja'
87 elif sys.platform.startswith('cygwin'):
88 default_gyp_generators = 'ninja,msvs-ninja'
90 default_gyp_generators = 'ninja'
91 os.environ[ENVVAR_GYP_GENERATORS] = default_gyp_generators
92 print '%s is "%s"' % (ENVVAR_GYP_GENERATORS, os.getenv(ENVVAR_GYP_GENERATORS))
94 vs2013_runtime_dll_dirs = None
95 if os.getenv('CHROME_HEADLESS', '0') == '1':
96 if sys.platform.startswith('win') or sys.platform.startswith('cygwin'):
97 chrome_path = os.getenv('CHROME_PATH')
99 sys.path.append(os.path.join(chrome_path, 'build'))
100 sys.path.append(os.path.join(chrome_path, 'tools'))
102 vs2013_runtime_dll_dirs = \
103 vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs()
105 # Set CWD to the directory containing this script.
106 # This allows us to launch it from other directories, in spite of gyp's
107 # finickyness about the current working directory.
108 # See http://b.corp.google.com/issue?id=5019517 ('Linux make build
109 # (from out dir) no longer runs skia_gyp correctly')
110 os.chdir(os.path.abspath(script_dir))
112 # This could give false positives since it doesn't actually do real option
114 gyp_file_specified = False
116 if arg.endswith('.gyp'):
117 gyp_file_specified = True
120 # If we didn't get a file, then fall back to assuming 'skia.gyp' from the
121 # same directory as the script.
122 # The gypfile must be passed as a relative path, not an absolute path,
123 # or else the gyp code doesn't write into the proper output dir.
124 if not gyp_file_specified:
125 args.append('skia.gyp')
127 args.extend(['-I' + i for i in additional_include_files(args)])
128 args.extend(['--depth', '.'])
130 # Tell gyp to write the build files into output_dir.
131 args.extend(['--generator-output', os.path.abspath(get_output_dir())])
133 # Tell ninja to write its output into the same directory.
134 args.extend(['-Goutput_dir=%s' % gyp_output_dir])
136 # By default, we build 'most' instead of 'all' or 'everything'. See skia.gyp.
137 args.extend(['-Gdefault_target=most'])
139 # Fail if any files specified in the project are missing
140 if sys.platform.startswith('win'):
141 gyp_generator_flags = os.getenv(ENVVAR_GYP_GENERATOR_FLAGS, '')
142 if not 'msvs_error_on_missing_sources' in gyp_generator_flags:
143 os.environ[ENVVAR_GYP_GENERATOR_FLAGS] = (
144 gyp_generator_flags + ' msvs_error_on_missing_sources=1')
146 # GYP is very conservative about how many concurrent linker calls it allows,
147 # to fit in RAM. We don't need to be nearly as conservative as Chrome. We'll
148 # just turn that feature off.
149 os.environ['GYP_LINK_CONCURRENCY'] = '9001'
151 print 'Updating projects from gyp files...'
154 if '--dry-run' in args:
155 args.remove('--dry-run')
156 print gyp_source_dir, ' '.join(args)
163 # This code is copied from Chrome's build/gyp_chromium. It's not clear why
164 # the *_runtime variables are reversed.
165 if vs2013_runtime_dll_dirs:
166 x64_runtime, x86_runtime = vs2013_runtime_dll_dirs
167 vs_toolchain.CopyVsRuntimeDlls(
168 os.path.join(os.getenv('CHROME_PATH'), get_output_dir()),
169 (x86_runtime, x64_runtime))