3 # Copyright 2012 the V8 project authors. All rights reserved.
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions are
8 # * Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # * Redistributions in binary form must reproduce the above
11 # copyright notice, this list of conditions and the following
12 # disclaimer in the documentation and/or other materials provided
13 # with the distribution.
14 # * Neither the name of Google Inc. nor the names of its
15 # contributors may be used to endorse or promote products derived
16 # from this software without specific prior written permission.
18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 # This script is wrapper for V8 that adds some support for how GYP
31 # is invoked by V8 beyond what can be done in the gclient hooks.
38 script_dir = os.path.dirname(__file__)
39 v8_root = os.path.normpath(os.path.join(script_dir, os.pardir))
41 if __name__ == '__main__':
43 script_dir = os.path.dirname(__file__)
46 sys.path.insert(0, os.path.join(v8_root, 'tools'))
49 sys.path.insert(0, os.path.join(v8_root, 'build', 'gyp', 'pylib'))
53 def apply_gyp_environment(file_path=None):
55 Reads in a *.gyp_env file and applies the valid keys to os.environ.
57 if not file_path or not os.path.exists(file_path):
59 file_contents = open(file_path).read()
61 file_data = eval(file_contents, {'__builtins__': None}, None)
62 except SyntaxError, e:
63 e.filename = os.path.abspath(file_path)
65 supported_vars = ( 'V8_GYP_FILE',
66 'V8_GYP_SYNTAX_CHECK',
68 'GYP_GENERATOR_FLAGS',
69 'GYP_GENERATOR_OUTPUT', )
70 for var in supported_vars:
71 val = file_data.get(var)
74 print 'INFO: Environment value for "%s" overrides value in %s.' % (
75 var, os.path.abspath(file_path)
81 def additional_include_files(args=[]):
83 Returns a list of additional (.gypi) files to include, without
84 duplicating ones that are already specified on the command line.
86 # Determine the include files specified on the command line.
87 # This doesn't cover all the different option formats you can use,
88 # but it's mainly intended to avoid duplicating flags on the automatic
89 # makefile regeneration which only uses this format.
90 specified_includes = set()
92 if arg.startswith('-I') and len(arg) > 2:
93 specified_includes.add(os.path.realpath(arg[2:]))
97 if os.path.realpath(path) not in specified_includes:
100 # Always include standalone.gypi
101 AddInclude(os.path.join(v8_root, 'build', 'standalone.gypi'))
103 # Optionally add supplemental .gypi files if present.
104 supplements = glob.glob(os.path.join(v8_root, '*', 'supplement.gypi'))
105 for supplement in supplements:
106 AddInclude(supplement)
114 print 'Error running GYP'
118 if __name__ == '__main__':
121 if 'SKIP_V8_GYP_ENV' not in os.environ:
122 # Update the environment based on v8.gyp_env
123 gyp_env_path = os.path.join(os.path.dirname(v8_root), 'v8.gyp_env')
124 apply_gyp_environment(gyp_env_path)
126 # This could give false positives since it doesn't actually do real option
128 gyp_file_specified = False
130 if arg.endswith('.gyp'):
131 gyp_file_specified = True
134 # If we didn't get a file, check an env var, and then fall back to
135 # assuming 'all.gyp' from the same directory as the script.
136 if not gyp_file_specified:
137 gyp_file = os.environ.get('V8_GYP_FILE')
139 # Note that V8_GYP_FILE values can't have backslashes as
140 # path separators even on Windows due to the use of shlex.split().
141 args.extend(shlex.split(gyp_file))
143 # Note that this must not start with "./" or things break.
144 # So we rely on having done os.chdir(v8_root) above and use the
146 args.append(os.path.join('build', 'all.gyp'))
148 args.extend(['-I' + i for i in additional_include_files(args)])
150 # There shouldn't be a circular dependency relationship between .gyp files
151 args.append('--no-circular-check')
153 # Set the GYP DEPTH variable to the root of the V8 project.
154 args.append('--depth=' + v8_root)
156 # If V8_GYP_SYNTAX_CHECK is set to 1, it will invoke gyp with --check
157 # to enfore syntax checking.
158 syntax_check = os.environ.get('V8_GYP_SYNTAX_CHECK')
159 if syntax_check and int(syntax_check):
160 args.append('--check')
162 print 'Updating projects from gyp files...'
165 # Generate for the architectures supported on the given platform.
166 gyp_args = list(args)
167 if utils.GuessOS() == 'linux':
168 gyp_args.append('--generator-output=out')