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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2017 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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 gperf)
#:use-module (guix licenses)
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix build-system gnu))
(define-public gperf
(package
(name "gperf")
(version "3.1")
(source
(origin
(method url-fetch)
(uri (string-append "mirror://gnu/gperf/gperf-"
version ".tar.gz"))
(sha256
(base32
"1qispg6i508rq8pkajh26cznwimbnj06wq9sd85vg95v8nwld1aq"))))
(build-system gnu-build-system)
(arguments '(#:parallel-tests? #f))
(home-page "https://www.gnu.org/software/gperf/")
(synopsis "Perfect hash function generator")
(description
"gperf is a perfect hash function generator. For a given list of
strings, it produces a hash function and hash table in C or C++ code. That
the hash function is perfect means that no collisions can exist and that
look-ups can be made by single string comparisons.")
(license gpl3+)))
(define-public gperf-3.0
;; This older version would use 'unsigned int' in its generated lookup
;; functions whereas 3.1 uses 'size_t', which causes breakage such as
;; <https://github.com/wingo/elogind/issues/8>.
(package
(inherit gperf)
(version "3.0.4")
(source (origin
(method url-fetch)
(uri (string-append "mirror://gnu/gperf/gperf-"
version ".tar.gz"))
(sha256
(base32
"0gnnm8iqcl52m8iha3sxrzrl9mcyhg7lfrhhqgdn4zj00ji14wbn"))))))