a59f11fdb1
* feat: enable whole-program optimization Enable whole-program optimization in electron native modules by default. * pass --with-ltcg to configure.py instead of setting variable * enable ltcg only on windows Co-authored-by: Kyrylo Hrechykhin <khrechykhin@microsoft.com>
69 lines
2 KiB
Python
Executable file
69 lines
2 KiB
Python
Executable file
#!/usr/bin/env python3
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from __future__ import print_function
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import ast
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import os
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import pprint
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import re
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import subprocess
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import sys
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ELECTRON_DIR = os.path.abspath(os.path.join(__file__, '..', '..'))
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NODE_DIR = os.path.join(ELECTRON_DIR, '..', 'third_party', 'electron_node')
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def run_node_configure(target_cpu):
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configure = os.path.join(NODE_DIR, 'configure.py')
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args = ['--dest-cpu', target_cpu]
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# Enabled in Chromium's V8, will be disabled on 32bit via
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# common.gypi rules
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args += ['--experimental-enable-pointer-compression']
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# Work around "No acceptable ASM compiler found" error on some System,
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# it breaks nothing since Electron does not use OpenSSL.
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args += ['--openssl-no-asm']
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# Enable whole-program optimization for electron native modules.
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if sys.platform == "win32":
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args += ['--with-ltcg']
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subprocess.check_call([sys.executable, configure] + args)
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def read_node_config_gypi():
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config_gypi = os.path.join(NODE_DIR, 'config.gypi')
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with open(config_gypi, 'r') as f:
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content = f.read()
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return ast.literal_eval(content)
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def read_electron_args():
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all_gn = os.path.join(ELECTRON_DIR, 'build', 'args', 'all.gn')
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args = {}
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with open(all_gn, 'r') as f:
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for line in f:
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if line.startswith('#'):
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continue
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m = re.match('([\w_]+) = (.+)', line)
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if m == None:
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continue
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args[m.group(1)] = m.group(2)
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return args
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def main(target_file, target_cpu):
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run_node_configure(target_cpu)
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config = read_node_config_gypi()
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args = read_electron_args()
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# Remove the generated config.gypi to make the parallel/test-process-config
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# test pass.
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os.remove(os.path.join(NODE_DIR, 'config.gypi'))
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v = config['variables']
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# Electron specific variables:
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v['built_with_electron'] = 1
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v['node_module_version'] = int(args['node_module_version'])
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# Used by certain versions of node-gyp.
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v['build_v8_with_gn'] = 'false'
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with open(target_file, 'w+') as f:
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f.write(pprint.pformat(config, indent=2))
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if __name__ == '__main__':
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sys.exit(main(sys.argv[1], sys.argv[2]))
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