https://svn.boost.org/trac10/ticket/13450 <pre class="wiki">$ cd boost_1_66_0/libs/beast/test/beast $ C:/Users/ikelarev/test5/boost_1_66_0/b2 toolset=intel-18_0-vc14.1 address-model=64 --hash --disable-icu --reconfigure -d+1 -d+2 cflags=" " core ... icl @"..\..\..\..\bin.v2\libs\beast\test\beast\core.test\907320e2b6757701b88c115bc51c431a\core.obj.rsp" ... ../../../../boost/beast/core/detail/bind_handler.hpp(109): error: namespace "boost::asio" has no member "associated_allocator_t" boost::asio::associated_allocator_t&lt;Handler&gt;; ^ ../../../../boost/beast/core/detail/bind_handler.hpp(109): error: expected a ";" boost::asio::associated_allocator_t&lt;Handler&gt;; ^ ../../../../boost/beast/core/impl/buffered_read_stream.ipp(53): error: namespace "boost::asio" has no member "associated_allocator_t" boost::asio::associated_allocator_t&lt;Handler&gt;; ^ ../../../../boost/beast/core/impl/buffered_read_stream.ipp(53): error: expected a ";" boost::asio::associated_allocator_t&lt;Handler&gt;; ^ ../../../../boost/beast/core/impl/buffered_read_stream.ipp(62): error: namespace "boost::asio" has no member "associated_executor_t" boost::asio::associated_executor_t&lt;Handler, decltype( ^ compilation aborted for core.cpp (code 4) </pre><p> associated_allocator_t is defined in boost/asio/associated_allocator.hpp header file: </p> <pre class="wiki">#if defined(BOOST_ASIO_HAS_ALIAS_TEMPLATES) template &lt;typename T, typename Allocator = std::allocator&lt;void&gt; &gt; using associated_allocator_t = typename associated_allocator&lt;T, Allocator&gt;::type; #endif // defined(BOOST_ASIO_HAS_ALIAS_TEMPLATES) </pre><p> This means that associated_allocator_t will not be defined if BOOST_ASIO_HAS_ALIAS_TEMPLATES macro is not defined. This macro definition is arranged in boost/asio/detail/config.hpp header file: </p> <pre class="wiki">// Support alias templates on compilers known to allow it. #if !defined(BOOST_ASIO_HAS_ALIAS_TEMPLATES) # if !defined(BOOST_ASIO_DISABLE_ALIAS_TEMPLATES) ... # if defined(BOOST_ASIO_MSVC) # if (_MSC_VER &gt;= 1900) # define BOOST_ASIO_HAS_ALIAS_TEMPLATES 1 # endif // (_MSC_VER &gt;= 1900) # endif // defined(BOOST_ASIO_MSVC) # endif // !defined(BOOST_ASIO_DISABLE_ALIAS_TEMPLATES) #endif // !defined(BOOST_ASIO_HAS_ALIAS_TEMPLATES) </pre><p> This means that BOOST_ASIO_MSVC macro is required for BOOST_ASIO_HAS_ALIAS_TEMPLATES definition. BOOST_ASIO_MSVC definition is arranged in the same file before. </p> <pre class="wiki">// Microsoft Visual C++ detection. #if !defined(BOOST_ASIO_MSVC) # if defined(BOOST_ASIO_HAS_BOOST_CONFIG) &amp;&amp; defined(BOOST_MSVC) # define BOOST_ASIO_MSVC BOOST_MSVC # elif defined(_MSC_VER) &amp;&amp; (defined(__INTELLISENSE__) \ || (!defined(__MWERKS__) &amp;&amp; !defined(__EDG_VERSION__))) # define BOOST_ASIO_MSVC _MSC_VER # endif // defined(BOOST_ASIO_HAS_BOOST_CONFIG) &amp;&amp; defined(BOOST_MSVC) #endif // defined(BOOST_ASIO_MSVC) </pre><p> It's obvious from the code that BOOST_ASIO_HAS_BOOST_CONFIG and BOOST_MSVC macros are required for BOOST_ASIO_MSVC macro definition. BOOST_ASIO_HAS_BOOST_CONFIG macro is actually defined but BOOST_MSVC macro is defined only for Microsoft cl compiler. For Intel's icl compiler BOOST_MSVC macro is not defined and BOOST_INTEL macro is defined instead. </p> <p> As a result BOOST_ASIO_MSVC and BOOST_ASIO_HAS_ALIAS_TEMPLATES macros will not be defined. And finally 'namespace "boost::asio" has no member "associated_allocator_t"' error appears. </p> <p> One of possible solutions is to add this code into boost/asio/detail/config.hpp file: </p> <pre class="wiki"> #if !defined(BOOST_ASIO_MSVC) # if defined(BOOST_ASIO_HAS_BOOST_CONFIG) &amp;&amp; defined(BOOST_MSVC) # define BOOST_ASIO_MSVC BOOST_MSVC +# elif defined(BOOST_ASIO_HAS_BOOST_CONFIG) &amp;&amp; defined(BOOST_INTEL) +# define BOOST_ASIO_MSVC BOOST_INTEL # elif defined(_MSC_VER) &amp;&amp; (defined(__INTELLISENSE__) \ || (!defined(__MWERKS__) &amp;&amp; !defined(__EDG_VERSION__))) # define BOOST_ASIO_MSVC _MSC_VER </pre> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/13450 Trac 1.4.3