# 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 os

TAG = '1.83.0'

HASH = '82e3a64e55caac0254f9e6b179437ad9421943b8f73957285978dad16c24dcae6372c464909fdc085b9790662b6a3af5163140b1e456705e80fda51c5fe3c243'

def needed(settings):

return settings.USE_BOOST_HEADERS == 1

def get(ports, settings, shared):

ports.fetch_project('boost_headers',

f'https://github.com/emscripten-ports/boost/releases/download/boost-{TAG}/boost-headers-{TAG}.zip',

sha512hash=HASH)

def create(final):

# includes

source_path = os.path.join(ports.get_dir(), 'boost_headers')

source_path_include = os.path.join(source_path, 'boost')

ports.install_header_dir(source_path_include, 'boost')

# 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(source_path, 'dummy.cpp')

shared.safe_ensure_dirs(os.path.dirname(dummy_file))

ports.write_file(dummy_file, 'static void dummy() {}')

ports.build_port(source_path, final, 'boost_headers', srcs=['dummy.cpp'])

return [shared.cache.get_lib('libboost_headers.a', create, what='port')]

def clear(ports, settings, shared):

shared.cache.erase_lib('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)'