@@ -5328,3 +5328,29 @@ and/or previous version.")
It re-exports the input/output functions of the OCaml standard
libraries using a more consistent API.")
(license license:expat)))
+
+(define-public ocaml-ppx-derivers
+ (package
+ (name "ocaml-ppx-derivers")
+ (version "1.2")
+ (home-page
+ "https://github.com/ocaml-ppx/ppx_derivers")
+ (source
+ (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url (string-append home-page ".git"))
+ (commit version)))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32
+ "0bnhihl1w31as5w2czly1v3d6pbir9inmgsjg2cj6aaj9v1dzd85"))))
+ (build-system dune-build-system)
+ (arguments
+ '(#:tests? #f)) ;no tests
+ (synopsis "Shared [@@deriving] plugin registry")
+ (description
+ "Ppx_derivers is a tiny package whose sole purpose is to allow
+ppx_deriving and ppx_type_conv to inter-operate gracefully when linked
+as part of the same ocaml-migrate-parsetree driver.")
+ (license license:bsd-3)))