writing header libraries in Android.bp

[REGURI AKANKSHA]

How to write headers in Android.bp?

say Android.mk has header of this type 

include $(CLEAR_VARS)

LOCAL_COPY_HEADERS_TO := x

LOCAL_COPY_HEADERS    := y

LOCAL_PROPRIETARY_MODULE := z

include $(BUILD_COPY_HEADERS)

How to write such headers in Android.bp? i know that LOCAL_COPY_HEADERS is deprecated in Soong, but have no idea of how to write to Android.bp

Thanks in Advance

[Dan Willemsen]

COPY_HEADERS is deprecated in Make, and unsupported in Soong. Use a header library instead. That may require re-arranging your source tree, or creating a directory full of symlinks, as we don't support rewriting the directory structures the same was as COPY_HEADERS, you just export everything under a directory.

I had written some about this in our best practices doc: https://android.googlesource.com/platform/build/soong/+/master/docs/best_practices.md#headers

- Dan

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[seeker]

Thanks Dan , Can u clarify one last thing, So here for all the modules in Android.bp 

export_include_dirs : ["y"] need to be added and so that the code would be linked right?