Gst-yoloplugin compilation Error

Hi,
After installation the Deepstream 3 SDK on Jetson Xavier platform, I have successfully tested the Deepstream apps examples. But when I tried to build the nvyolo plugin I got this error.

gstyoloplugin.h:34:10: fatal error: gstnvivameta_api.h: No such file or directory.

By the way the trt-yolo application running without any problems.
It seems that I lack some of Deepstream libraries.
How can I solve this problem?

Thanks

The git repo has now been updated with changes required for DS3/Xavier.