libocsigenserver-ocaml-dev 5.0.1-3build4 (s390x binary) in ubuntu mantic

 The Ocsigen project is aimed at proposing clean and safe tools for
 developing and running client/server Web 2.0 applications.
 .
 Ocsigen Server is a full featured Web server. It implements most
 features of the HTTP protocol, and has a very powerful extension
 mechanism that make very easy to plug your own OCaml modules for
 generating pages. Many extensions are available, like a reverse
 proxy, content compression, access control, authentication, etc.
 .
 This package contains development libraries.