--- a/libs/context/src/fcontext.cpp	2025-04-11 03:04:20.000000000 +1000
+++ b/libs/context/src/fcontext.cpp	2025-09-10 16:51:31.554961000 +1000
@@ -10,13 +10,13 @@
 #include <boost/context/detail/fcontext.hpp>
 
 extern "C"
-boost::context::detail::transfer_t BOOST_CONTEXT_CALLDECL jump_fcontext( boost::context::detail::fcontext_t const to, void * vp);
+boost::context::detail::transfer_t BOOST_CONTEXT_DECL BOOST_CONTEXT_CALLDECL jump_fcontext( boost::context::detail::fcontext_t const to, void * vp);
 extern "C"
-boost::context::detail::fcontext_t BOOST_CONTEXT_CALLDECL make_fcontext( void * sp, std::size_t size, void (* fn)( boost::context::detail::transfer_t) );
+boost::context::detail::fcontext_t BOOST_CONTEXT_DECL BOOST_CONTEXT_CALLDECL make_fcontext( void * sp, std::size_t size, void (* fn)( boost::context::detail::transfer_t) );
 
 // based on an idea of Giovanni Derreta
 extern "C"
-boost::context::detail::transfer_t BOOST_CONTEXT_CALLDECL ontop_fcontext( boost::context::detail::fcontext_t const to, void * vp, boost::context::detail::transfer_t (* fn)( boost::context::detail::transfer_t) );
+boost::context::detail::transfer_t BOOST_CONTEXT_DECL BOOST_CONTEXT_CALLDECL ontop_fcontext( boost::context::detail::fcontext_t const to, void * vp, boost::context::detail::transfer_t (* fn)( boost::context::detail::transfer_t) );
 
 namespace boost {
 namespace context {