02/10: gnu: Add ocaml-ppx-core.

[julien lepiller]

roptat pushed a commit to branch master
in repository guix.

commit c333995063614038bc217536ac39ad35f57b3ed7
Author: Julien Lepiller <address@hidden>
Date:   Fri Dec 30 16:30:46 2016 +0100

    gnu: Add ocaml-ppx-core.
    
    * gnu/packages/ocaml.scm (ocaml-ppx-core): New variable.
---
 gnu/packages/ocaml.scm | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index 8e3deb7..ca0674a 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -2043,3 +2043,27 @@ storage of large amounts of data.")
 record fields, to get and set record fields, iterate and fold over all fields
 of a record and create new record values.")
     (license license:asl2.0)))
+
+(define-public ocaml-ppx-core
+  (package
+    (name "ocaml-ppx-core")
+    (version "113.33.03")
+    (source (janestreet-origin "ppx_core" version
+               "0f69l4czhgssnhb5ds2j9dbqjyz8dp1y3i3x0i4h6pxnms20zbxa"))
+    (build-system ocaml-build-system)
+    (native-inputs
+     `(("js-build-tools" ,ocaml-js-build-tools)
+       ("opam" ,opam)))
+    (inputs `(("ppx-tools" ,ocaml-ppx-tools)))
+    (arguments janestreet-arguments)
+    (home-page "https://github.com/janestreet/ppx_core/";)
+    (synopsis "Standard library for ppx rewriters")
+    (description "Ppx_core is a standard library for OCaml AST transformers.
+It contains:
address@hidden
address@hidden various auto-generated AST traversal using an open recursion 
scheme
address@hidden helpers for building AST fragments
address@hidden helpers for matching AST fragments
address@hidden a framework for dealing with attributes and extension points.
address@hidden enumerate")
+    (license license:asl2.0)))