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denoland-deno/tools/setup.py
Ryan Dahl a63d794c7f Fix lastchange rebuild problem.
lastchange.py is causing a full rebuild on every commit. This is a
temporary workaround.
2018-08-29 12:05:58 -04:00

98 lines
2.8 KiB
Python
Executable file

#!/usr/bin/env python
import third_party
from util import run, root_path, build_path, build_mode
import os
import sys
from distutils.spawn import find_executable
def main():
os.chdir(root_path)
third_party.fix_symlinks()
third_party.download_gn()
third_party.download_clang_format()
third_party.download_clang()
third_party.maybe_download_sysroot()
write_lastchange()
mode = build_mode(default=None)
if mode is not None:
gn_gen(mode)
else:
gn_gen("release")
gn_gen("debug")
def write_if_not_exists(filename, contents):
if not os.path.exists(filename):
with open(filename, "w+") as f:
f.write(contents)
def write_lastchange():
write_if_not_exists(
"build/util/LASTCHANGE",
"LASTCHANGE=c42e4ddbb7973bfb0c57a49ab6bf6dc432baad7e-\n")
write_if_not_exists("build/util/LASTCHANGE.committime", "1535518087")
# TODO Properly we should call the following script, but it seems to cause
# a rebuild on every commit.
# run([
# sys.executable, "build/util/lastchange.py", "-o",
# "build/util/LASTCHANGE", "--source-dir", root_path, "--filter="
# ])
def get_gn_args():
out = []
if build_mode() == "release":
out += ["is_official_build=true"]
elif build_mode() == "debug":
pass
else:
print "Bad mode {}. Use 'release' or 'debug' (default)" % build_mode()
sys.exit(1)
if "DENO_BUILD_ARGS" in os.environ:
out += os.environ["DENO_BUILD_ARGS"].split()
# Check if ccache or sccache are in the path, and if so we set cc_wrapper.
cc_wrapper = find_executable("ccache") or find_executable("sccache")
if cc_wrapper:
out += [r'cc_wrapper="%s"' % cc_wrapper]
# Windows needs a custom toolchain for cc_wrapper to work.
if os.name == "nt":
out += [
'custom_toolchain="//build_extra/toolchain/win:win_clang_x64"'
]
print "DENO_BUILD_ARGS:", out
return out
# gn gen.
def gn_gen(mode):
os.environ["DENO_BUILD_MODE"] = mode
# mkdir $build_path(). We do this so we can write args.gn before running gn gen.
if not os.path.isdir(build_path()):
os.makedirs(build_path())
# Rather than using gn gen --args we manually write the args.gn override file.
# This is to avoid quoting/escaping complications when passing overrides as
# command-line arguments.
args_filename = os.path.join(build_path(), "args.gn")
if os.path.exists(args_filename):
print "Skip writing args file: '%s' already exists." % args_filename
else:
gn_args = get_gn_args()
with open(args_filename, "w+") as f:
f.write("\n".join(gn_args) + "\n")
run([third_party.gn_path, "gen", build_path()],
env=third_party.google_env())
if __name__ == '__main__':
sys.exit(main())