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Issue 1848553003: [gn] Move build to gypfiles (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Preserve old state for the dance Created 4 years, 7 months ago
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1 #!/usr/bin/env python
2 #
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
6 # met:
7 #
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.
17 #
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.
29
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.
32
33 import argparse
34 import glob
35 import gyp_environment
36 import os
37 import platform
38 import shlex
39 import subprocess
40 import sys
41 import vs_toolchain
42
43 script_dir = os.path.dirname(os.path.realpath(__file__))
44 v8_root = os.path.abspath(os.path.join(script_dir, os.pardir))
45
46 sys.path.insert(0, os.path.join(v8_root, 'tools', 'gyp', 'pylib'))
47 import gyp
48
49 # Add paths so that pymod_do_main(...) can import files.
50 sys.path.insert(
51 1, os.path.abspath(os.path.join(v8_root, 'tools', 'generate_shim_headers')))
52
53
54 def GetOutputDirectory():
55 """Returns the output directory that GYP will use."""
56
57 # Handle command line generator flags.
58 parser = argparse.ArgumentParser()
59 parser.add_argument('-G', dest='genflags', default=[], action='append')
60 genflags = parser.parse_known_args()[0].genflags
61
62 # Handle generator flags from the environment.
63 genflags += shlex.split(os.environ.get('GYP_GENERATOR_FLAGS', ''))
64
65 needle = 'output_dir='
66 for item in genflags:
67 if item.startswith(needle):
68 return item[len(needle):]
69
70 return 'out'
71
72
73 def additional_include_files(args=[]):
74 """
75 Returns a list of additional (.gypi) files to include, without
76 duplicating ones that are already specified on the command line.
77 """
78 # Determine the include files specified on the command line.
79 # This doesn't cover all the different option formats you can use,
80 # but it's mainly intended to avoid duplicating flags on the automatic
81 # makefile regeneration which only uses this format.
82 specified_includes = set()
83 for arg in args:
84 if arg.startswith('-I') and len(arg) > 2:
85 specified_includes.add(os.path.realpath(arg[2:]))
86
87 result = []
88 def AddInclude(path):
89 if os.path.realpath(path) not in specified_includes:
90 result.append(path)
91
92 # Always include standalone.gypi
93 AddInclude(os.path.join(v8_root, 'build', 'standalone.gypi'))
94
95 # Optionally add supplemental .gypi files if present.
96 supplements = glob.glob(os.path.join(v8_root, '*', 'supplement.gypi'))
97 for supplement in supplements:
98 AddInclude(supplement)
99
100 return result
101
102
103 def run_gyp(args):
104 rc = gyp.main(args)
105
106 vs2013_runtime_dll_dirs = vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs()
107 if vs2013_runtime_dll_dirs:
108 x64_runtime, x86_runtime = vs2013_runtime_dll_dirs
109 vs_toolchain.CopyVsRuntimeDlls(
110 os.path.join(v8_root, GetOutputDirectory()),
111 (x86_runtime, x64_runtime))
112
113 if rc != 0:
114 print 'Error running GYP'
115 sys.exit(rc)
116
117
118 if __name__ == '__main__':
119 args = sys.argv[1:]
120
121 gyp_environment.set_environment()
122
123 # This could give false positives since it doesn't actually do real option
124 # parsing. Oh well.
125 gyp_file_specified = False
126 for arg in args:
127 if arg.endswith('.gyp'):
128 gyp_file_specified = True
129 break
130
131 # If we didn't get a file, check an env var, and then fall back to
132 # assuming 'all.gyp' from the same directory as the script.
133 if not gyp_file_specified:
134 gyp_file = os.environ.get('V8_GYP_FILE')
135 if gyp_file:
136 # Note that V8_GYP_FILE values can't have backslashes as
137 # path separators even on Windows due to the use of shlex.split().
138 args.extend(shlex.split(gyp_file))
139 else:
140 args.append(os.path.join(script_dir, 'all.gyp'))
141
142 args.extend(['-I' + i for i in additional_include_files(args)])
143
144 # There shouldn't be a circular dependency relationship between .gyp files
145 args.append('--no-circular-check')
146
147 # Set the GYP DEPTH variable to the root of the V8 project.
148 args.append('--depth=' + os.path.relpath(v8_root))
149
150 # If V8_GYP_SYNTAX_CHECK is set to 1, it will invoke gyp with --check
151 # to enfore syntax checking.
152 syntax_check = os.environ.get('V8_GYP_SYNTAX_CHECK')
153 if syntax_check and int(syntax_check):
154 args.append('--check')
155
156 print 'Updating projects from gyp files...'
157 sys.stdout.flush()
158
159 # Generate for the architectures supported on the given platform.
160 gyp_args = list(args)
161 gyp_args.extend(['-D', 'gyp_output_dir=' + GetOutputDirectory()])
162 gyp_generators = os.environ.get('GYP_GENERATORS', '')
163 if platform.system() == 'Linux' and gyp_generators != 'ninja':
164 # Work around for crbug.com/331475.
165 for f in glob.glob(os.path.join(v8_root, 'out', 'Makefile.*')):
166 os.unlink(f)
167 # --generator-output defines where the Makefile goes.
168 gyp_args.append('--generator-output=out')
169 # -Goutput_dir defines where the build output goes, relative to the
170 # Makefile. Set it to . so that the build output doesn't end up in out/out.
171 gyp_args.append('-Goutput_dir=.')
172
173 gyp_defines = os.environ.get('GYP_DEFINES', '')
174
175 # Automatically turn on crosscompile support for platforms that need it.
176 if all(('ninja' in gyp_generators,
177 'OS=android' in gyp_defines,
178 'GYP_CROSSCOMPILE' not in os.environ)):
179 os.environ['GYP_CROSSCOMPILE'] = '1'
180
181 run_gyp(gyp_args)
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