;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016, 2021 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2017, 2020-2022 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2021 Maxim Cournoyer <maxim@guixotic.coop>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages nettle)
  #:use-module (guix gexp)
  #:use-module (guix utils)
  #:use-module (guix licenses)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix build-system gnu)
  #:use-module (gnu packages)
  #:use-module (gnu packages multiprecision)
  #:use-module (gnu packages m4))

(define-public nettle
  (package
    (name "nettle")
    (version "3.10.2")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnu/nettle/nettle-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1d8rnlgmzi3mnv17yvpjxav5max05nli133bbbkbbazjn4fgb7zy"))))
    (build-system gnu-build-system)
    (arguments
     (list
      #:configure-flags
      #~(list "--enable-fat"
              ;; 'sexp-conv' and other programs need to have their RUNPATH
              ;; point to $libdir, which is not the case by default.  Work
              ;; around it.
              (string-append "LDFLAGS=-Wl,-rpath=" #$output "/lib"))
      #:phases
      #~(modify-phases %standard-phases
          (add-after 'install 'move-static-libraries
            (lambda _
              (mkdir-p (string-append #$output:static "/lib"))
              (with-directory-excursion (string-append #$output "/lib")
                (for-each
                 (lambda (ar)
                   (rename-file
                    ar
                    (string-append #$output:static "/lib/" (basename ar))))
                 (find-files
                  "."
                  #$(if (target-mingw?)
                        '(lambda (filename _)
                           (and (string-suffix? ".a" filename)
                                (not (string-suffix? ".dll.a" filename))))
                        "\\.a$")))))))))
    (outputs '("out" "debug" "static"))
    (native-inputs (list m4))
    (propagated-inputs (list gmp))
    (home-page "https://www.lysator.liu.se/~nisse/nettle/")
    (synopsis "C library for low-level cryptographic functionality")
    (description
     "GNU Nettle is a low-level cryptographic library.  It is designed to
fit in easily in almost any context.  It can be easily included in
cryptographic toolkits for object-oriented languages or in applications
themselves.")
    (license gpl2+)))