[bug#33079] [PATCH 02/34] gnu: Add ocamlbuild.

[Julien Lepiller <julien@lepiller.eu>]

* gnu/packages/ocaml.scm (ocamlbuild): New variable.
---
 gnu/packages/ocaml.scm | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index 681b9652e..ac8c68b12 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -283,6 +283,48 @@ functional, imperative and object-oriented styles of programming.")
 
 (define-public ocaml ocaml-4.07)
 
+(define-public ocamlbuild
+	  (package
+	    (name "ocamlbuild")
+	    (version "0.13.1")
+	    (source (origin
+	              (method url-fetch)
+	              (uri (string-append "https://github.com/ocaml/ocamlbuild/archive/"
+	                                  version ".tar.gz"))
+	              (file-name (string-append name "-" version ".tar.gz"))
+	              (sha256
+	               (base32
+	                "1320cfkixs1xlng5av04pa5qjb3ynvi2kl3k1ngqzg5fpi29b0vr"))))
+	    (build-system gnu-build-system)
+	    (arguments
+	     `(#:test-target "test"
+	       #:tests? #f; tests require findlib
+	       #:make-flags
+	       (list (string-append "OCAMLBUILD_PREFIX=" (assoc-ref %outputs "out"))
+	             (string-append "OCAMLBUILD_BINDIR=" (assoc-ref %outputs "out")
+                                "/bin")
+	             (string-append "OCAMLBUILD_LIBDIR=" (assoc-ref %outputs "out")
+                                "/lib/ocaml/site-lib")
+	             (string-append "OCAMLBUILD_MANDIR=" (assoc-ref %outputs "out")
+                                "/share/man"))
+	       #:phases
+	       (modify-phases %standard-phases
+	         (delete 'bootstrap)
+	         (delete 'configure)
+	         (add-before 'build 'findlib-environment
+	           (lambda* (#:key outputs #:allow-other-keys)
+	             (let* ((out (assoc-ref outputs "out")))
+	               (setenv "OCAMLFIND_DESTDIR" (string-append out "/lib/ocaml/site-lib"))
+	               (setenv "OCAMLFIND_LDCONF" "ignore")
+	               #t))))))
+	    (native-inputs
+	     `(("ocaml" ,ocaml)))
+	    (home-page "https://github.com/ocaml/ocamlbuild")
+	    (synopsis "OCaml build tool")
+	    (description "OCamlbuild is a generic build tool, that has built-in rules
+	for building OCaml library and programs.")
+	    (license license:lgpl2.1+)))
+
 (define-public opam
   (package
     (name "opam")
-- 
2.18.0