mirror of
https://github.com/denoland/deno.git
synced 2024-10-29 08:58:01 -04:00
99 lines
3 KiB
Python
Executable file
99 lines
3 KiB
Python
Executable file
#!/usr/bin/env python
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import third_party
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from util import run, root_path, build_path, build_mode
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import os
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import sys
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from distutils.spawn import find_executable
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def main():
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os.chdir(root_path)
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third_party.fix_symlinks()
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third_party.download_gn()
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third_party.download_clang_format()
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third_party.download_clang()
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third_party.maybe_download_sysroot()
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write_lastchange()
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mode = build_mode(default=None)
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if mode is not None:
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gn_gen(mode)
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else:
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gn_gen("release")
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gn_gen("debug")
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def write_if_not_exists(filename, contents):
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if not os.path.exists(filename):
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with open(filename, "w+") as f:
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f.write(contents)
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def write_lastchange():
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write_if_not_exists(
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"build/util/LASTCHANGE",
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"LASTCHANGE=c42e4ddbb7973bfb0c57a49ab6bf6dc432baad7e-\n")
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write_if_not_exists("build/util/LASTCHANGE.committime", "1535518087")
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# TODO Properly we should call the following script, but it seems to cause
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# a rebuild on every commit.
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# run([
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# sys.executable, "build/util/lastchange.py", "-o",
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# "build/util/LASTCHANGE", "--source-dir", root_path, "--filter="
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# ])
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def get_gn_args():
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out = []
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if build_mode() == "release":
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out += ["is_official_build=true"]
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elif build_mode() == "debug":
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pass
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else:
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print "Bad mode {}. Use 'release' or 'debug' (default)" % build_mode()
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sys.exit(1)
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if "DENO_BUILD_ARGS" in os.environ:
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out += os.environ["DENO_BUILD_ARGS"].split()
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# Check if ccache or sccache are in the path, and if so we set cc_wrapper.
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cc_wrapper = find_executable("ccache") or find_executable("sccache")
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if cc_wrapper:
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out += ['cc_wrapper="%s"' % cc_wrapper]
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# For cc_wrapper to work on Windows, we need to select our own toolchain
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# by overriding 'custom_toolchain' and 'host_toolchain'.
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# TODO: Is there a way to use it without the involvement of args.gn?
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if os.name == "nt":
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tc = "//build_extra/toolchain/win:win_clang_x64"
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out += ['custom_toolchain="%s"' % tc, 'host_toolchain="%s"' % tc]
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print "DENO_BUILD_ARGS:", out
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return out
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# gn gen.
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def gn_gen(mode):
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os.environ["DENO_BUILD_MODE"] = mode
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# mkdir $build_path(). We do this so we can write args.gn before running gn gen.
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if not os.path.isdir(build_path()):
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os.makedirs(build_path())
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# Rather than using gn gen --args we manually write the args.gn override file.
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# This is to avoid quoting/escaping complications when passing overrides as
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# command-line arguments.
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args_filename = os.path.join(build_path(), "args.gn")
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if os.path.exists(args_filename):
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print "Skip writing args file: '%s' already exists." % args_filename
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else:
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gn_args = get_gn_args()
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with open(args_filename, "w+") as f:
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f.write("\n".join(gn_args) + "\n")
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run([third_party.gn_path, "gen", build_path()],
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env=third_party.google_env())
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if __name__ == '__main__':
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sys.exit(main())
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