namespace coroutines {
#if defined(BOOST_USE_SEGMENTED_STACKS)
-struct stack_context
+struct BOOST_COROUTINES_DECL stack_context
{
typedef void * segments_context[BOOST_CONTEXT_SEGMENTS];
{}
};
#else
-struct stack_context
+struct BOOST_COROUTINES_DECL stack_context
{
std::size_t size;
void * sp;