This package has been built using the below sources:

- Project: https://github.com/opentracing-contrib/nginx-opentracing
  Version: v0.35.3
  Archive: https://github.com/opentracing-contrib/nginx-opentracing/archive/refs/tags/v0.35.3.tar.gz

- Project: https://github.com/opentracing/opentracing-cpp
  Version: v1.6.0
  Archive: https://github.com/opentracing/opentracing-cpp/archive/refs/tags/v1.6.0.tar.gz

- Project: https://github.com/DataDog/dd-opentracing-cpp
  Version: v1.3.7
  Archive: https://github.com/DataDog/dd-opentracing-cpp/archive/refs/tags/v1.3.7.tar.gz

- Project: https://github.com/rnburn/zipkin-cpp-opentracing
  Version: 966416e4d6aec23f572730aede6c087ccce6d194
  Archive: https://github.com/rnburn/zipkin-cpp-opentracing/archive/966416e4d6aec23f572730aede6c087ccce6d194.tar.gz

Please refer to the given links for further details.