1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
#!/usr/bin/env python3
# Copyright 2023 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
'''Builds the gnrt tool and runs it to generate stdlib GN rules.
'''
import argparse
import os
import sys
import tempfile
# Get variables and helpers from Clang update script.
sys.path.append(
os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'clang',
'scripts'))
from build import (RunCommand)
from update import (CHROMIUM_DIR)
sys.path.append(
os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'crates'))
from run_cargo import RunCargo
from build_bindgen import (EXE, RUST_BETA_SYSROOT_DIR, InstallRustBetaSysroot)
from build_rust import (RustTargetTriple, RUST_SRC_DIR)
from update_rust import (RUST_REVISION)
BUILD_RUST_PY_PATH = os.path.join(CHROMIUM_DIR, 'tools', 'rust',
'build_rust.py')
GNRT_CARGO_TOML_PATH = os.path.join(CHROMIUM_DIR, 'tools', 'crates', 'gnrt',
'Cargo.toml')
def main():
parser = argparse.ArgumentParser(
description='build and run gnrt for stdlib')
parser.add_argument(
'--skip-prep',
action='store_true',
help='do not fetch dependencies, assuming a previous successful run.')
parser.add_argument(
'--out-dir',
help='cache artifacts in specified directory instead of a temp dir.')
args = parser.parse_args()
if not args.skip_prep:
# This step gets the dependencies in the Rust git checkout.
RunCommand([BUILD_RUST_PY_PATH, '--sync-for-gnrt'])
# Get a Rust sysroot to build gnrt with.
InstallRustBetaSysroot(RUST_REVISION, [RustTargetTriple()])
cargo_bin = os.path.join(RUST_BETA_SYSROOT_DIR, 'bin', f'cargo{EXE}')
rustc_bin = os.path.join(RUST_BETA_SYSROOT_DIR, 'bin', f'rustc{EXE}')
# Build and run gnrt to update the stdlib GN rules.
if args.out_dir:
run_gnrt(RUST_BETA_SYSROOT_DIR, args.out_dir)
else:
with tempfile.TemporaryDirectory() as out_dir:
run_gnrt(RUST_BETA_SYSROOT_DIR, out_dir)
def run_gnrt(sysroot_dir, out_dir):
target_dir = os.path.abspath(os.path.join(out_dir, 'target'))
home_dir = os.path.join(target_dir, 'cargo_home')
RunCargo(sysroot_dir, home_dir, [
'--quiet', '--locked', 'run', '--release', '--manifest-path',
GNRT_CARGO_TOML_PATH, f'--target-dir={target_dir}', '--', 'gen',
f'--for-std={os.path.relpath(RUST_SRC_DIR, CHROMIUM_DIR)}'
])
if __name__ == '__main__':
sys.exit(main())
|
