gnu/packages/regex.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2014 John Darrington
   3 ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
   4 ;;; Copyright © 2016 Marius Bakke <mbakke@fastmail.com>
   5 ;;;
   6 ;;; This file is part of GNU Guix.
   7 ;;;
   8 ;;; GNU Guix is free software; you can redistribute it and/or modify it
   9 ;;; under the terms of the GNU General Public License as published by
  10 ;;; the Free Software Foundation; either version 3 of the License, or (at
  11 ;;; your option) any later version.
  12 ;;;
  13 ;;; GNU Guix is distributed in the hope that it will be useful, but
  14 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;;; GNU General Public License for more details.
  17 ;;;
  18 ;;; You should have received a copy of the GNU General Public License
  19 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 (define-module (gnu packages regex)
  22   #:use-module ((guix licenses) #:prefix license:)
  23   #:use-module (guix packages)
  24   #:use-module (guix download)
  25   #:use-module (guix build-system gnu)
  26   #:use-module (guix utils))
  27
  28 (define-public re2
  29    (package
  30      (name "re2")
  31      (version "2017-08-01")
  32      (source (origin
  33                (method url-fetch)
  34                (uri
  35                 (string-append
  36                  "https://github.com/google/re2/archive/"
  37                  version ".tar.gz"))
  38                (file-name (string-append name "-" version ".tar.gz"))
  39                (sha256
  40                 (base32
  41                  "0dhndzr4ncdpa3yq22qlzxk7i1vlrcdg9z65k0k3j9bi37f271wk"))))
  42      (build-system gnu-build-system)
  43      (arguments
  44       `(#:modules ((guix build gnu-build-system)
  45                    (guix build utils)
  46                    (srfi srfi-1))
  47         #:test-target "test"
  48         ;; There is no configure step, but the Makefile respects a prefix.
  49         ;; As ./configure does not know anything about the target CXX
  50         ;; we need to specify TARGET-g++ explicitly.
  51         #:make-flags (list (string-append "prefix=" %output)
  52                            (string-append
  53                              "CXX=" ,(string-append
  54                                        (if (%current-target-system)
  55                                            (string-append
  56                                              (%current-target-system) "-")
  57                                            "")
  58                                        "g++")))
  59         #:phases
  60         (modify-phases %standard-phases
  61           (delete 'configure)
  62           (add-after 'install 'delete-static-library
  63             (lambda* (#:key outputs #:allow-other-keys)
  64               ;; No make target for shared-only; delete the static version.
  65               (delete-file (string-append (assoc-ref outputs "out")
  66                                           "/lib/libre2.a"))
  67               #t)))))
  68      (home-page "https://github.com/google/re2")
  69      (synopsis "Fast, safe, thread-friendly regular expression engine")
  70      (description "RE2 is a fast, safe, thread-friendly alternative to
  71 backtracking regular expression engines like those used in PCRE, Perl and
  72 Python.  It is a C++ library.")
  73      (license license:bsd-3)))
  74
  75 (define-public tre
  76   (package
  77     (name "tre")
  78     (version "0.8.0")
  79     (source (origin
  80               (method url-fetch)
  81               (uri (string-append "http://laurikari.net/tre/"
  82                                   name "-" version ".tar.bz2"))
  83               (sha256
  84                (base32
  85                 "0n36cgqys59r2gmb7jzbqiwsy790v8nbxk82d2n2saz0rp145ild"))))
  86     (build-system gnu-build-system)
  87     (arguments
  88      `(#:phases
  89        (modify-phases %standard-phases
  90          (add-before 'check 'install-locales
  91            (lambda _
  92              ;; The tests require the availability of the
  93              ;; 'en_US.ISO-8859-1' locale.
  94              (setenv "LOCPATH" (getcwd))
  95              (zero? (system* "localedef" "--no-archive"
  96                              "--prefix" (getcwd) "-i" "en_US"
  97                              "-f" "ISO-8859-1" "./en_US.ISO-8859-1")))))))
  98     (synopsis "Approximate regex matching library and agrep utility")
  99     (description "Superset of the POSIX regex API, enabling approximate
 100 matching.  Also ships a version of the agrep utility which behaves similar to
 101 grep but features inexact matching.")
 102     (home-page "http://laurikari.net/tre")
 103     (license license:bsd-2)))