>From a489c4d4e40730c9595019d69ada5715c531a02f Mon Sep 17 00:00:00 2001
From: Julien Lepiller <address@hidden>
Date: Sun, 21 May 2017 16:31:23 +0200
Subject: [PATCH 04/10] gnu: Add ocaml-ppx-fail.

* gnu/packages/ocaml.scm (ocaml-ppx-fail): New variable.
---
 gnu/packages/ocaml.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index 7d6a77d72..c2f4ed972 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -2716,3 +2716,25 @@ ocaml values.")
     (description "Generation of binary serialization and deserialization
 functions from type definitions.")
     (license license:asl2.0)))
+
+(define-public ocaml-ppx-fail
+  (package
+    (name "ocaml-ppx-fail")
+    (version "113.33.03")
+    (source (janestreet-origin "ppx_fail" version
+              "1dwgad0f05gqp5rnwf9dcasidpfi7q3mrpazsw3a2vijjblbhjgn"))
+    (build-system ocaml-build-system)
+    (native-inputs
+     `(("js-build-tools" ,ocaml-js-build-tools)
+       ("opam" ,opam)))
+    (propagated-inputs
+     `(("ppx-driver" ,ocaml-ppx-driver)
+       ("ppx-tools" ,ocaml-ppx-tools)
+       ("ppx-here" ,ocaml-ppx-here)
+       ("ppx-core" ,ocaml-ppx-core)))
+    (arguments janestreet-arguments)
+    (home-page "https://github.com/janestreet/ppx_fail/")
+    (synopsis "Add location to calls to failwiths")
+    (description "Syntax extension that makes [failwiths] always include a
+position.")
+    (license license:asl2.0)))
-- 
2.13.0