Adjust CMake configuration for VulkanCppModule

- Change `target_include_directories` from `PRIVATE` to `PUBLIC` for broader access.
- Add MSVC-specific compiler options to support proper C++20 module compatibility.

Author: gpx1000

attachments/CMakeLists.txt

@@ -28,7 +28,7 @@ if(ENABLE_CPP20_MODULE)
           PUBLIC VULKAN_HPP_DISPATCH_LOADER_DYNAMIC=1 VULKAN_HPP_NO_STRUCT_CONSTRUCTORS=1
   )
   target_include_directories(VulkanCppModule
-          PRIVATE
+          PUBLIC
           "${Vulkan_INCLUDE_DIR}"
   )
   target_link_libraries(VulkanCppModule
@@ -38,6 +38,18 @@ if(ENABLE_CPP20_MODULE)
 
   set_target_properties(VulkanCppModule PROPERTIES CXX_STANDARD 20)
 
+  # Add MSVC-specific compiler options for proper C++ module support
+  if(MSVC)
+    target_compile_options(VulkanCppModule PRIVATE
+      /std:c++latest      # Use latest C++ standard for better module support
+      /permissive-        # Standards conformance mode
+      /Zc:__cplusplus     # Enable correct __cplusplus macro
+      /EHsc               # Enable C++ exception handling
+      /Zc:preprocessor    # Use conforming preprocessor
+      /translateInclude   # Automatically translate #include to import for standard library
+    )
+  endif()
+
   target_sources(VulkanCppModule
           PUBLIC
           FILE_SET cxx_modules TYPE CXX_MODULES