gnu: Remove ocaml-js-build-tools.

The package is deprecated and no longer maintained. It is recommended
to use dune instead.

* gnu/packages/ocaml.xyz (ocaml-js-build-tools, janestreet-origin)
(janestreet-arguments): Remove variables.

Signed-off-by: Julien Lepiller <julien@lepiller.eu>

gnu/packages/ocaml.scm

@@ -17,6 +17,7 @@
 ;;; Copyright © 2020 Marius Bakke <marius@gnu.org>
 ;;; Copyright © 2020 Simon Tournier <zimon.toutoune@gmail.com>
 ;;; Copyright © 2020 divoplade <d@divoplade.fr>
+;;; Copyright © 2020 pukkamustard <pukkamustard@posteo.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -93,47 +94,6 @@
                  (number->string file-number) "/" name "-" version
                  ".tar.gz"))
 
-;; Janestreet packages are found in a similar way and all need the same patch.
-(define (janestreet-origin name version hash)
-  (origin (method url-fetch)
-          (uri (string-append "https://ocaml.janestreet.com/ocaml-core/"
-                              (version-major+minor version) "/files/"
-                              name "-" version ".tar.gz"))
-          (sha256 (base32 hash))
-          (modules '((guix build utils)))
-          (snippet
-           (let ((pattern (string-append "lib/" name)))
-             `(begin
-                ;; install.ml contains an invalid reference to the ppx file and
-                ;; propagates this error to the generated META file.  It
-                ;; looks for it in the "lib" directory, but it is installed in
-                ;; "lib/ocaml/site-lib/package".  This substitute does not change
-                ;; this file for non ppx packages.
-                (substitute* "install.ml"
-                  ((,pattern) (string-append "lib/ocaml/site-lib/" ,name)))
-                ;; The standard Makefile would try to install janestreet modules
-                ;; in OCaml's directory in the store, which is read-only.
-                (substitute* "Makefile"
-                  (("--prefix")
-                   "--libdir $(LIBDIR) --prefix"))
-                #t)))))
-
-;; They also require almost the same set of arguments
-(define janestreet-arguments
-  `(#:use-make? #t
-    #:make-flags
-    (list (string-append "CONFIGUREFLAGS=--prefix "
-                         (assoc-ref %outputs "out")
-                         " --enable-tests")
-          (string-append "LIBDIR="
-                         (assoc-ref %outputs "out")
-                         "/lib/ocaml/site-lib")
-          ;; for ocaml-bin-prot, otherwise ignored
-          (string-append "OCAML_TOPLEVEL_PATH="
-                         (assoc-ref %build-inputs "findlib")
-                         "/lib/ocaml/site-lib"))
-    #:phases (modify-phases %standard-phases (delete 'configure))))
-
 (define-public ocaml-4.11
   (package
     (name "ocaml")
@@ -2716,29 +2676,6 @@ system in your OCaml projects.  It helps to create standard entry points in your
 build system and allows external tools to analyse your project easily.")
     (license license:lgpl2.1+))) ; with ocaml static compilation exception
 
-(define-public ocaml-js-build-tools
-  (package
-    (name "ocaml-js-build-tools")
-    (version "113.33.06")
-    (source (janestreet-origin "js-build-tools" version
-              "0r8z4fz8iy5y6hkdlkpwf6rk4qigcr3dzyv35585xgg2ahf12zy6"))
-    (native-inputs
-     `(("oasis" ,ocaml-oasis)
-       ("ocamlbuild" ,ocamlbuild)
-       ("opam" ,opam)))
-    (build-system ocaml-build-system)
-    (arguments janestreet-arguments)
-    (home-page "https://github.com/janestreet/js-build-tools")
-    (synopsis "Collection of tools to help building Jane Street Packages")
-    (description "This package contains tools to help building Jane Street
-packages, but can be used for other purposes.  It contains:
-@enumerate
-@item an @command{oasis2opam-install} tool to produce a @file{.install} file
-from the oasis build log
-@item a @code{js_build_tools} ocamlbuild plugin with various goodies.
-@end enumerate")
-    (license license:asl2.0)))
-
 (define-public ocaml-cppo
   (package
     (name "ocaml-cppo")