[PATCH 86/96] gnu: Add ocaml-cstruct

[Julien Lepiller <julien@lepiller.eu>]

* gnu/packages/ocaml.scm (ocaml-cstruct): New variable.
---
 gnu/packages/ocaml.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index ab2197c0c..4a861bcd7 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -2661,3 +2661,30 @@ and bigarrays, based on new primitives added in version 4.01. It works on
 strings, bytes and bigstring (Bigarrys of chars), and provides submodules for
 big- and little-endian, with their unsafe counter-parts.")
     (license license:lgpl2.1)))
+
+(define-public ocaml-cstruct
+  (package
+    (name "ocaml-cstruct")
+    (version "2.3.1")
+    (home-page "https://github.com/mirage/ocaml-cstruct/")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (string-append home-page "/archive/v" version ".tar.gz"))
+        (sha256 (base32
+                  "15qpdc8421shq4pprdas9jznpva45229wkfqbwcxw9khaiiz7949"))))
+    (build-system ocaml-build-system)
+    (arguments `(#:configure-flags
+                 (list "--enable-lwt" "--enable-async")))
+    (native-inputs `(("ounit" ,ocaml-ounit)
+                     ("ppx-tools" ,ocaml-ppx-tools)
+                     ("camlp4" ,camlp4)))
+    (propagated-inputs `(("ocplib-endian" ,ocaml-ocplib-endian)
+                         ("lwt" ,ocaml-lwt)
+                         ("async" ,ocaml-async)
+                         ("sexplib" ,ocaml-sexplib)))
+    (synopsis "Access C structures via a camlp4 extension")
+    (description "Cstruct is a library and syntax extension to make it easier
+to access C-like structures directly from OCaml.  It supports both reading and
+writing to these structures, and they are accessed via the Bigarray module.")
+    (license license:isc)))
-- 
2.11.0