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1#!/usr/bin/env python3
2# Copyright 2023 The Khronos Group Inc.
3# Copyright 2023 Valve Corporation
4# Copyright 2023 LunarG, Inc.
5#
6# SPDX-License-Identifier: Apache-2.0
7
8import os
9import subprocess
10import sys
11
12# helper to define paths relative to the repo root
13def RepoRelative(path):
14    return os.path.abspath(os.path.join(os.path.dirname(__file__), '../../', path))
15
16def BuildGn():
17    if not os.path.exists(RepoRelative("depot_tools")):
18        print("Cloning Chromium depot_tools\n", flush=True)
19        clone_cmd = 'git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git depot_tools'.split(" ")
20        subprocess.call(clone_cmd)
21
22    os.environ['PATH'] = os.environ.get('PATH') + ":" + RepoRelative("depot_tools")
23
24    print("Updating Repo Dependencies and GN Toolchain\n", flush=True)
25    update_cmd = './scripts/gn/update_deps.sh'
26    subprocess.call(update_cmd)
27
28    print("Checking Header Dependencies\n", flush=True)
29    gn_check_cmd = 'gn gen --check out/Debug'.split(" ")
30    subprocess.call(gn_check_cmd)
31
32    print("Generating Ninja Files\n", flush=True)
33    gn_gen_cmd = 'gn gen out/Debug'.split(" ")
34    subprocess.call(gn_gen_cmd)
35
36    print("Running Ninja Build\n", flush=True)
37    ninja_build_cmd = 'ninja -C out/Debug'.split(" ")
38    subprocess.call(ninja_build_cmd)
39
40#
41# Module Entrypoint
42def main():
43    try:
44        BuildGn()
45
46    except subprocess.CalledProcessError as proc_error:
47        print('Command "%s" failed with return code %s' % (' '.join(proc_error.cmd), proc_error.returncode))
48        sys.exit(proc_error.returncode)
49    except Exception as unknown_error:
50        print('An unkown error occured: %s', unknown_error)
51        sys.exit(1)
52
53    sys.exit(0)
54
55if __name__ == '__main__':
56    main()
57