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# Copyright 2015 The Emscripten Authors. All rights reserved.
# Emscripten is available under two separate licenses, the MIT license and the
# University of Illinois/NCSA Open Source License. Both these licenses can be
# found in the LICENSE file.
import logging
import os
import shutil
TAG = '1.70.0'
HASH = '3ba0180a4a3c20d64727750a3233c82aadba95f265a45052297b955902741edac1befd963400958d6915e5b8d9ade48195eeaf8524f06fdb4cfe43b98677f196'
def needed(settings):
return settings.USE_BOOST_HEADERS == 1
def get(ports, settings, shared):
ports.fetch_project('boost_headers', 'https://github.com/emscripten-ports/boost/releases/download/boost-1.70.0/boost-headers-' + TAG + '.zip',
'boost', sha512hash=HASH)
libname = 'libboost_headers.a'
def create():
logging.info('building port: boost_headers')
ports.clear_project_build('boost_headers')
# includes
source_path_include = os.path.join(ports.get_dir(), 'boost_headers', 'boost')
dest_path_include = os.path.join(ports.get_include_dir(), 'boost')
shared.try_delete(dest_path_include)
shutil.copytree(source_path_include, dest_path_include)
# write out a dummy cpp file, to create an empty library
# this is needed as emscripted ports expect this, even if it is not used
dummy_file = os.path.join(ports.get_build_dir(), 'boost_headers', 'dummy.cpp')
shared.safe_ensure_dirs(os.path.dirname(dummy_file))
with open(dummy_file, 'w') as f:
f.write('static void dummy() {}')
commands = []
o_s = []
obj = dummy_file + '.o'
command = [shared.EMCC, '-c', dummy_file, '-o', obj]
commands.append(command)
ports.run_commands(commands)
final = os.path.join(ports.get_build_dir(), 'boost_headers', libname)
o_s.append(obj)
ports.create_lib(final, o_s)
return final
return [shared.Cache.get_lib(libname, create, what='port')]
def clear(ports, settings, shared):
shared.Cache.erase_file('libboost_headers.a')
def process_args(ports):
return ['-DBOOST_ALL_NO_LIB']
def show():
return 'Boost headers v1.70.0 (USE_BOOST_HEADERS=1; Boost license)'
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