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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2019 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; 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 bison)
#:use-module (guix licenses)
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix build-system gnu)
#:use-module (gnu packages m4)
#:use-module (gnu packages perl)
#:use-module (gnu packages flex)
#:use-module (srfi srfi-1))
(define-public bison
(package
(name "bison")
(version "3.4.1")
(source
(origin
(method url-fetch)
(uri (string-append "mirror://gnu/bison/bison-"
version ".tar.xz"))
(sha256
(base32
"03c2pmq3bs0drdislnz6gm1rwz3n4pb2rz9navyxydppxg2rl597"))))
(build-system gnu-build-system)
(arguments
'(;; Building in parallel on many-core systems may cause an error such as
;; "mv: cannot stat 'examples/c/reccalc/scan.stamp.tmp': No such file or
;; directory". See <https://bugs.gnu.org/36238>.
#:parallel-build? #f
;; Similarly, when building tests in parallel, Make may produce this error:
;; "./examples/c/reccalc/scan.l:13:10: fatal error: parse.h: No such file
;; or directory". Full log in <https://bugs.gnu.org/36238>.
#:parallel-tests? #f))
(native-inputs `(("perl" ,perl)
;; m4 is not present in PATH when cross-building.
("m4" ,m4)))
(inputs `(("flex" ,flex)))
(propagated-inputs `(("m4" ,m4)))
(home-page "https://www.gnu.org/software/bison/")
(synopsis "Parser generator")
(description
"GNU Bison is a general-purpose parser generator. It can build a
deterministic or generalized LR parser from an annotated, context-free
grammar. It is versatile enough to have many applications, from parsers for
simple tools through complex programming languages.")
(license gpl3+)))
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