gnu: Add ocaml-ssl.

* gnu/packages/ocaml.scm (ocaml-ssl): New variable.

gnu/packages/ocaml.scm

@@ -44,6 +44,7 @@ (define-module (gnu packages ocaml)
   #:use-module (gnu packages tex)
   #:use-module (gnu packages texinfo)
   #:use-module (gnu packages time)
+  #:use-module (gnu packages tls)
   #:use-module (gnu packages version-control)
   #:use-module (gnu packages xml)
   #:use-module (gnu packages xorg)
@@ -1361,3 +1362,35 @@ (define-public ocaml-react
 events and signals.  React doesn't define any primitive event or signal, it
 lets the client choose the concrete timeline.")
     (license license:bsd-3)))
+
+(define-public ocaml-ssl
+  (package
+    (name "ocaml-ssl")
+    (version "0.5.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (string-append "https://github.com/savonet/ocaml-ssl/archive/"
+                            version ".tar.gz"))
+        (sha256 (base32
+                  "1ds5gzyzpcgwn7h40dmjkll7g990cr82ay05b2a7nrclvv6fdpg8"))))
+    (build-system ocaml-build-system)
+    (arguments `(#:tests? #f
+                 #:make-flags (list "OCAMLFIND_LDCONF=ignore")
+                 #:phases
+                 (modify-phases %standard-phases
+                   (add-before 'configure 'bootstrap
+                     (lambda* (#:key #:allow-other-keys)
+                       (system* "./bootstrap")
+                       (substitute* "src/OCamlMakefile"
+                         (("/bin/sh") (which "bash")))
+                       (substitute* "configure"
+                         (("/bin/sh") (which "bash"))))))))
+    (native-inputs `(("autoconf" ,autoconf)
+                     ("automake" ,automake)
+                     ("which" ,which)))
+    (propagated-inputs `(("openssl" ,openssl)))
+    (home-page "https://github.com/savonet/ocaml-ssl/")
+    (synopsis "OCaml bindings for OpenSSL")
+    (description "OCaml bindings for OpenSSL.")
+    (license license:lgpl2.1)))