more link fixes.

CMakeLists.txt

@@ -18,7 +18,6 @@ endif()
 
 option(BOOST_COBALT_USE_BOOST_CONTAINER "Use boost.container instead of std::pmr" ${BOOST_COBALT_SHOULD_USE_CONTAINER})
 
-
 if (NOT BOOST_COBALT_IS_ROOT)
     # Generated by `boostdep --cmake cobalt`
     # Copyright 2020, 2021 Peter Dimov
@@ -66,6 +65,10 @@ if (NOT BOOST_COBALT_IS_ROOT)
     )
     target_compile_features(boost_cobalt PUBLIC cxx_std_20)
 
+    if (MSVC)
+        target_compile_definitions(boost_cobalt PUBLIC _WIN32_WINNT=0x0601)
+    endif()
+
     if (BOOST_COBALT_USE_BOOST_CONTAINER)
         target_link_libraries(boost_cobalt PUBLIC Boost::container)
         target_compile_definitions(boost_cobalt PUBLIC BOOST_COBALT_USE_BOOST_CONTAINER_PMR=1 )

include/boost/cobalt/thread.hpp

@@ -22,10 +22,7 @@ struct thread
   // Send a cancellation signal
   void cancel(asio::cancellation_type type = asio::cancellation_type::all);
 
-  // Add the functions similar to `std::thread`
-  void join();
-  bool joinable() const;
-  void detach();
+
   // Allow the thread to be awaited. NOOP if the thread is invalid.
   auto operator co_await() &-> detail::thread_awaitable; //<1>
   auto operator co_await() && -> detail::thread_awaitable; //<2>
@@ -42,9 +39,19 @@ struct thread
 
   // end::outline[]
   /* tag::outline[]
+  // Add the functions similar to `std::thread`
+  void join();
+  bool joinable() const;
+  void detach();
+
   executor_type get_executor() const;
   end::outline[] */
 
+
+  BOOST_COBALT_DECL void join();
+  BOOST_COBALT_DECL bool joinable() const;
+  BOOST_COBALT_DECL void detach();
+
   executor_type get_executor(const boost::source_location & loc = BOOST_CURRENT_LOCATION) const
   {
     auto st = state_;

test/Jamfile.jam

@@ -20,7 +20,7 @@ project : requirements
 
 import testing ;
 
-lib test_impl : test_main.cpp /boost//cobalt :
+lib test_impl : test_main.cpp /boost//cobalt /boost//unit_test_framework :
         <link>static
         ;