[cppcoro] force static linkage

* report error for clang-cl

build with VC++ in VS 2019 will fail by the header file.

ports/cppcoro/CMakeLists.txt

@@ -75,10 +75,6 @@ elseif(WIN32)
         include/cppcoro/net/socket_send_operation.hpp
         include/cppcoro/net/socket_send_to_operation.hpp
     )
-    set_target_properties(cppcoro
-    PROPERTIES
-        WINDOWS_EXPORT_ALL_SYMBOLS true
-    )
 
 elseif(CMAKE_SYSTEM_NAME MATCHES Linux)
     message(STATUS "using system: ${CMAKE_HOST_SYSTEM_VERSION}")
@@ -163,16 +159,7 @@ PUBLIC
 
 if(${CMAKE_CXX_COMPILER_ID} MATCHES Clang)
     if(WIN32)
-        target_compile_options(cppcoro
-        PUBLIC
-            /std:c++latest
-            -fms-compatibility -Xclang -fcoroutines-ts
-        )
-        target_compile_definitions(cppcoro
-        PUBLIC
-            _RESUMABLE_FUNCTIONS_SUPPORTED
-        )
-
+        message(FATAL_ERROR "<experimental/resumable> doesn't support clang-cl compiler")
     else()
         target_compile_options(cppcoro
         PUBLIC

ports/cppcoro/portfile.cmake

@@ -1,6 +1,7 @@
 
 # for Linux, the port requires libc++ and Clang. see #10693
 vcpkg_fail_port_install(ON_TARGET "uwp" "linux")
+vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
 
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH