macros: install the runtime component for Windows

Windows uses the runtime component for the DLL, the library component
for the import library, and archive component for static archives.  This
is in contrast to Darwin that uses library for the DLL and archive for
static archives.

This is required to enable packaging the ObservableMacros.

Author: compnerd

lib/Macros/CMakeLists.txt

@@ -60,6 +60,9 @@ function(add_swift_macro_library name)
   set(destination_dir "lib${LLVM_LIBDIR_SUFFIX}/swift/host/plugins")
 
   swift_install_in_component(TARGETS ${name}
+    RUNTIME
+      DESTINATION bin
+      COMPONENT compiler
     LIBRARY
       DESTINATION "${destination_dir}"
       COMPONENT compiler