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+#!/usr/bin/env python3
+
+# Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is part of the "cmake-common" project.
+# For details, see https://github.com/egor-tensin/cmake-common.
+# Distributed under the MIT License.
+
+'''Download & build Boost on AppVeyor.
+
+This is similar to build.py, but auto-fills some parameters for build.py from
+the AppVeyor-defined environment variables. This script is rarely usefull,
+since AppVeyor images come with lots of pre-built Boost distributions, but
+still.
+
+Boost is built in C:\projects\boost.
+'''
+
+import argparse
+import logging
+import os
+import os.path
+import sys
+
+from project.boost.build import BoostVersion, main as build_main
+
+
+def _env(name):
+ if name not in os.environ:
+ raise RuntimeError(f'undefined environment variable: {name}')
+ return os.environ[name]
+
+
+def _check_appveyor():
+ if 'APPVEYOR' not in os.environ:
+ raise RuntimeError('not running on AppVeyor')
+
+
+def _get_build_dir():
+ return 'C:\\projects'
+
+
+def _get_boost_dir():
+ return os.path.join(_get_build_dir(), 'boost')
+
+
+def _get_boost_version():
+ return _env('appveyor_boost_version')
+
+
+def _get_configuration():
+ return _env('CONFIGURATION')
+
+
+def _get_platform():
+ return _env('PLATFORM')
+
+
+def _setup_logging():
+ logging.basicConfig(
+ format='%(asctime)s | %(levelname)s | %(message)s',
+ level=logging.INFO)
+
+
+def _parse_args(argv=None):
+ if argv is None:
+ argv = sys.argv[1:]
+ logging.info('Command line arguments: %s', argv)
+
+ parser = argparse.ArgumentParser(
+ description=__doc__,
+ formatter_class=argparse.RawDescriptionHelpFormatter)
+ parser.add_argument('--link', metavar='LINKAGE', nargs='*',
+ help='how the libraries are linked (i.e. static/shared)')
+ parser.add_argument('--runtime-link', metavar='LINKAGE',
+ help='how the libraries link to the runtime')
+ parser.add_argument('b2_args', nargs='*', metavar='B2_ARG', default=[],
+ help='additional b2 arguments, to be passed verbatim')
+ return parser.parse_args(argv)
+
+
+def build_appveyor(argv=None):
+ args = _parse_args(argv)
+ _check_appveyor()
+
+ version = BoostVersion.from_string(_get_boost_version())
+ appveyor_argv = [
+ 'download',
+ '--unpack', _get_build_dir(),
+ '--', str(version)
+ ]
+ build_main(appveyor_argv)
+
+ unpacked_boost_dir = version.dir_path(_get_build_dir())
+ boost_dir = _get_boost_dir()
+ os.rename(unpacked_boost_dir, boost_dir)
+
+ appveyor_argv = [
+ 'build',
+ '--configuration', _get_configuration(),
+ '--platform', _get_platform(),
+ ]
+ if args.link is not None:
+ appveyor_argv.append('--link')
+ appveyor_argv += args.link
+ if args.runtime_link is not None:
+ appveyor_argv += ['--runtime-link', args.runtime_link]
+ appveyor_argv += ['--', boost_dir]
+ build_main(appveyor_argv + args.b2_args)
+
+
+def main(argv=None):
+ _setup_logging()
+ try:
+ build_appveyor(argv)
+ except Exception as e:
+ logging.exception(e)
+ raise
+
+
+if __name__ == '__main__':
+ main()