// (C) Copyright Andrey Semashev 2013, 2020 // Use, modification and distribution are subject to the // Boost Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // See http://www.boost.org/libs/config for more information. // MACRO: BOOST_NO_CXX11_ALIGNAS // TITLE: C++11 alignas keyword. // DESCRIPTION: The compiler does not support the C++11 alignment specification with alignas keyword. namespace boost_no_cxx11_alignas { template< unsigned int Alignment > struct alignment { static const unsigned int value = Alignment; }; struct alignas(16) my_data1 { char data[10]; }; struct alignas(double) my_data2 { char data[16]; }; struct alignas(alignment< 16u >::value) my_data3 { char data[16]; }; my_data1 dummy1[2]; my_data2 dummy2; my_data3 dummy3; alignas(16) char dummy4[10]; alignas(double) char dummy5[32]; alignas(alignment< 16u >::value) char dummy6[32]; int test() { // TODO: Test that the data is actually aligned on platforms with uintptr_t return 0; } }