asio doesn't compile on NetBSD

[tnn@…]

Compiling a trivial program fails on NetBSD:

#include <boost/asio.hpp>
int main(void) {
        return 0;
}

---

In file included from /usr/pkg/include/boost/asio/detail/kqueue_reactor.hpp:210:0,
                 from /usr/pkg/include/boost/asio/detail/reactor.hpp:23,
                 from /usr/pkg/include/boost/asio/detail/impl/task_io_service.ipp:25,
                 from /usr/pkg/include/boost/asio/detail/task_io_service.hpp:180,
                 from /usr/pkg/include/boost/asio/impl/io_service.hpp:64,
                 from /usr/pkg/include/boost/asio/io_service.hpp:767,
                 from /usr/pkg/include/boost/asio/basic_io_object.hpp:19,
                 from /usr/pkg/include/boost/asio/basic_socket.hpp:19,
                 from /usr/pkg/include/boost/asio/basic_datagram_socket.hpp:20,
                 from /usr/pkg/include/boost/asio.hpp:20,
                 from test.cpp:1:
/usr/pkg/include/boost/asio/detail/impl/kqueue_reactor.ipp: In member function 'void boost::asio::detail::kqueue_reactor::deregister_descriptor(boost::asio::detail::socket_type, boost::asio::detail::kqueue_reactor::descriptor_state*&, bool)':
/usr/pkg/include/boost/asio/detail/impl/kqueue_reactor.ipp:291:7: error: invalid cast from type 'int' to type '__intptr_t'
/usr/pkg/include/boost/asio/detail/impl/kqueue_reactor.ipp:293:7: error: invalid cast from type 'int' to type '__intptr_t'

[tnn@…]

Patch which solves the issue

[chris_kohlhoff]

(In [76425]) Fix for NetBSD. Refs #6098.

[chris_kohlhoff]

(In [76516]) Merge from trunk:

• Chrono support.

• Added object_handle support.

• Need to enable the basic_handle class when object_handle is supported.

• Update copyright notices.

• Fix MSVC "performance warning".

• Fix for NetBSD. Fixes #6098.

• Fix regression in buffered_write_stream. Fixes #6310.

• Fix deadlock on Mac OS X. Fixes #6275.

• On linux, connect can return EAGAIN in certain circumstances. Remap to another error so that it doesn't look like a non-blocking operation. Fixes #6048.

• Fix non-paged pool "leak" on Windows when io_service is repeatedly run without anything to do. Fixes #6321.

• Disable object_handle on Windows CE.

• Add extra include required for OVERLAPPED struct.

• Fix doxygen comments.

• Update documentation.

• Add missing class.

• Update copyright year.