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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Marius Bakke <mbakke@fastmail.com>
;;;
;;; 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 regex)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix build-system gnu))
(define-public re2
(package
(name "re2")
(version "2016-08-01")
(source (origin
(method url-fetch)
(uri
(string-append
"https://github.com/google/re2/archive/"
version ".tar.gz"))
(file-name (string-append name "-" version ".tar.gz"))
(sha256
(base32
"06pfm3xi5irrrij85m0c46rsn9jyg1rc2r431wi2knhjvbw9f0bx"))))
(build-system gnu-build-system)
(arguments
`(#:test-target "test"
;; There is no configure step, but the Makefile respects a prefix.
#:make-flags (list (string-append "prefix=" %output))
#:phases
(modify-phases %standard-phases
(delete 'configure)
(add-after 'install 'delete-static-library
(lambda* (#:key outputs #:allow-other-keys)
;; No make target for shared-only; delete the static version.
(delete-file (string-append (assoc-ref outputs "out")
"/lib/libre2.a")))))))
(home-page "https://github.com/google/re2")
(synopsis "Fast, safe, thread-friendly regular expression engine")
(description "RE2 is a fast, safe, thread-friendly alternative to
backtracking regular expression engines like those used in PCRE, Perl and
Python. It is a C++ library.")
(license license:bsd-3)))
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