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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017, 2019, 2020 Tobias Geerinckx-Rice <>
;;; 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
;;; 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 <>.
(define-module (gnu packages digest)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix packages)
#:use-module (guix git-download)
#:use-module (guix build-system gnu)
#:use-module (guix utils)
#:use-module (ice-9 match))
(define-public xxhash
(name "xxhash")
(version "0.7.4")
(method git-fetch)
(uri (git-reference
(url "")
(commit (string-append "v" version))))
(file-name (git-file-name name version))
(base32 "08j7wxshhzpyrnyilfnvhyv5ycm0yv5m7jf6q4kxcd7j4dcbhmpb"))))
(build-system gnu-build-system)
(list ,(string-append "CC=" (cc-for-target))
,(match (or (%current-target-system)
;; Detect vector instruction set at run time.
((or "i686-linux" "x86_64-linux") "DISPATCH=1")
(_ "DISPATCH=0"))
"XXH_FORCE_MEMORY_ACCESS=1" ; improved performance with GCC
(string-append "prefix=" (assoc-ref %outputs "out")))
(modify-phases %standard-phases
(delete 'configure)))) ; no configure script
(home-page "")
(synopsis "Extremely fast hash algorithm")
"xxHash is an extremely fast non-cryptographic hash algorithm. It works
at speeds close to RAM limits, and comes in both 32- and 64-bit flavours.
The code is highly portable, and hashes of the same length are identical on all
platforms (both big and little endian).")
(license (list license:bsd-2 ; xxhash library (xxhash.[ch])
license:gpl2+)))) ; xxhsum.c