@@ 20,6 20,7 @@
;;; Copyright © 2020, 2021 pukkamustard <pukkamustard@posteo.net>
;;; Copyright © 2021 aecepoglu <aecepoglu@fastmail.fm>
;;; Copyright © 2021 Sharlatan Hellseher <sharlatanus@gmail.com>
+;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
;;;
;;; This file is part of GNU Guix.
;;;
@@ 2045,6 2046,55 @@ manipulate such data.")
spans without being subject to operating system calendar time adjustments.")
(license license:isc)))
+(define-public ocaml-calendar
+ ;; No tags.
+ ;; Commit from 2019-02-03.
+ (let ((commit "a447a88ae3c1e9873e32d2a95d3d3e7c5ed4a7da")
+ (revision "0"))
+ (package
+ (name "ocaml-calendar")
+ ;; Makefile.in says 2.04.
+ (version (git-version "2.04" revision commit))
+ (source
+ (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/ocaml-community/calendar")
+ (commit commit)))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32
+ "09d9gyqm3zkf3z2m9fx87clqihx6brf8rnzm4yq7c8kf1p572hmc"))))
+ (build-system gnu-build-system)
+ (arguments
+ '(#:test-target "tests"
+ #:phases
+ (modify-phases %standard-phases
+ (add-after 'unpack 'make-deterministic
+ (lambda _
+ (substitute* "Makefile.in"
+ (("`date`") "no date for reproducibility"))))
+ (add-before 'install 'set-environment-variables
+ (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")
+ (mkdir-p (string-append
+ out "/lib/ocaml/site-lib/calendar"))))))))
+ (native-inputs
+ `(("autoconf" ,autoconf)
+ ("automake" ,automake)))
+ (propagated-inputs
+ `(("ocaml" ,ocaml)
+ ("ocamlfind" ,ocaml-findlib)))
+ (home-page "https://github.com/ocaml-community/calendar")
+ (synopsis "OCaml library for handling dates and times")
+ (description "This package provides types and operations over
+dates and times.")
+ ;; With linking exception.
+ (license license:lgpl2.1+))))
+
(define-public ocaml-cmdliner
(package
(name "ocaml-cmdliner")