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#!/usr/bin/env python
#
# Copyright 2022 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Creates config files for building libwayland."""
import os
import re
import shutil
import subprocess
import tempfile
MESON = ['meson']
DEFAULT_BUILD_ARGS = [
'-Ddocumentation=false',
'-Dtests=false',
]
def GetAbsPath(relative_path):
return os.path.join(os.path.abspath(os.path.dirname(__file__)), relative_path)
def PrintAndCheckCall(argv, *args, **kwargs):
print('\n-------------------------------------------------\nRunning %s' %
' '.join(argv))
c = subprocess.check_call(argv, *args, **kwargs)
def CallMesonGenerator(build_dir):
PrintAndCheckCall(
MESON + DEFAULT_BUILD_ARGS + [build_dir],
cwd=GetAbsPath('src'),
env=os.environ)
def CopyFileToDestination(file, src_dir, dest_dir):
if not os.path.exists(dest_dir):
os.makedirs(dest_dir)
shutil.copy(os.path.join(src_dir, file), dest_dir)
print("Copied %s to %s from %s" % (file, dest_dir, src_dir))
def GetProjectVersionFromMeson(filename):
with open(filename) as f:
return re.search(
'project\(.*?version\s?:\s?\'(?P<version>[\d\.]+)\'.*?\)',
f.read(), re.DOTALL).group("version")
return None
def GetPackageVersionFromMeson(filename, module):
with open(filename) as f:
result = re.search(
f'pkgconfig\.generate\(.*?name\s?:\s?\'{module}\'.*?\)',
f.read(), re.DOTALL)
if result:
return re.search('version\s?:\s\'(?P<version>[\d\.]+)',
result.group(0)).group('version')
return None
def UpdateWaylandVersionGni():
versions = {
'wayland': GetProjectVersionFromMeson('src/meson.build'),
'wayland_egl': GetPackageVersionFromMeson('src/egl/meson.build',
'wayland-egl')
}
with open('wayland_version.gni', 'w') as f:
f.write("# DO NOT MODIFY THIS FILE DIRECTLY!\n"
"# IT IS GENERATED BY generate_configs.py\n"
"# The version information is used when use_system_libwayland\n"
"# is true to check system wayland package version meets\n"
"# at least the version of third-party/wayland so that it won't\n"
"# make any compile error with chromium\n")
for pkg, version in versions.items():
if not version:
raise Exception(f"Failed to get {pkg} version")
f.write(f"{pkg}_version = \"{version}\"\n")
print("Updated wayland_version.gni")
def main():
# Creates a directory that will be used by meson to generate build configs.
temp_dir = tempfile.mkdtemp()
# Calls meson for //third_party/wayland/src and generates build files.
CallMesonGenerator(temp_dir)
# Copies config.h to //third_party/wayland/include
CopyFileToDestination('config.h', temp_dir, GetAbsPath('include'))
# Copies wayland-version.h to //third_party/wayland/include/src
CopyFileToDestination('wayland-version.h', temp_dir + '/src', GetAbsPath('include/src'))
# Update wayland_version.gni from meson.build file
UpdateWaylandVersionGni()
# Removes the directory we used for meson config.
shutil.rmtree(temp_dir)
if __name__ == '__main__':
main()
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