1 ;;; GNU Guix --- Functional package management for GNU
2 ;;; Copyright © 2012, 2013, 2014, 2015, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
3 ;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
4 ;;; Copyright © 2014, 2015, 2018 Mark H Weaver <mhw@netris.org>
5 ;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
6 ;;; Copyright © 2015, 2016 Eric Bavier <bavier@member.fsf.org>
7 ;;; Copyright © 2015, 2016, 2017, 2018 Ricardo Wurmus <rekado@elephly.net>
8 ;;; Copyright © 2015, 2017, 2018 Leo Famulari <leo@famulari.name>
9 ;;; Copyright © 2015 Jeff Mickey <j@codemac.net>
10 ;;; Copyright © 2015, 2016, 2017, 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
11 ;;; Copyright © 2016 Ben Woodcroft <donttrustben@gmail.com>
12 ;;; Copyright © 2016 Danny Milosavljevic <dannym@scratchpost.org>
13 ;;; Copyright © 2016, 2017, 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
14 ;;; Copyright © 2016 David Craven <david@craven.ch>
15 ;;; Copyright © 2016, 2019 Kei Kebreau <kkebreau@posteo.net>
16 ;;; Copyright © 2016, 2018, 2019, 2020 Marius Bakke <mbakke@fastmail.com>
17 ;;; Copyright © 2017 ng0 <ng0@n0.is>
18 ;;; Copyright © 2017 Manolis Fragkiskos Ragkousis <manolis837@gmail.com>
19 ;;; Copyright © 2017 Theodoros Foradis <theodoros@foradis.org>
20 ;;; Copyright © 2017 Stefan Reichör <stefan@xsteve.at>
21 ;;; Copyright © 2017 Petter <petter@mykolab.ch>
22 ;;; Copyright © 2017 Julien Lepiller <julien@lepiller.eu>
23 ;;; Copyright © 2018 Rutger Helling <rhelling@mykolab.com>
24 ;;; Copyright © 2018 Joshua Sierles, Nextjournal <joshua@nextjournal.com>
25 ;;; Copyright © 2018, 2019 Pierre Neidhardt <mail@ambrevar.xyz>
26 ;;; Copyright © 2019 Nicolas Goaziou <mail@nicolasgoaziou.fr>
27 ;;; Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
29 ;;; This file is part of GNU Guix.
31 ;;; GNU Guix is free software; you can redistribute it and/or modify it
32 ;;; under the terms of the GNU General Public License as published by
33 ;;; the Free Software Foundation; either version 3 of the License, or (at
34 ;;; your option) any later version.
36 ;;; GNU Guix is distributed in the hope that it will be useful, but
37 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
38 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
39 ;;; GNU General Public License for more details.
41 ;;; You should have received a copy of the GNU General Public License
42 ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
44 (define-module (gnu packages compression)
45 #:use-module ((guix licenses) #:prefix license:)
46 #:use-module (guix utils)
47 #:use-module (guix packages)
48 #:use-module (guix download)
49 #:use-module (guix git-download)
50 #:use-module (guix build-system cmake)
51 #:use-module (guix build-system gnu)
52 #:use-module (guix build-system trivial)
53 #:use-module (gnu packages)
54 #:use-module (gnu packages assembly)
55 #:use-module (gnu packages autotools)
56 #:use-module (gnu packages backup)
57 #:use-module (gnu packages base)
58 #:use-module (gnu packages boost)
59 #:use-module (gnu packages check)
60 #:use-module (gnu packages curl)
61 #:use-module (gnu packages documentation)
62 #:use-module (gnu packages file)
63 #:use-module (gnu packages maths)
64 #:use-module (gnu packages perl)
65 #:use-module (gnu packages pkg-config)
66 #:use-module (gnu packages python)
67 #:use-module (gnu packages qt)
68 #:use-module (gnu packages tls)
69 #:use-module (gnu packages valgrind)
70 #:use-module (ice-9 match)
71 #:use-module ((srfi srfi-1) #:select (last)))
80 (uri (list (string-append "http://zlib.net/zlib-"
82 (string-append "mirror://sourceforge/libpng/zlib/"
83 version "/zlib-" version ".tar.gz")))
86 "18dighcs333gsvajvvgqp8l4cx7h1x7yx9gd5xacnk80spyykrf3"))))
87 (build-system gnu-build-system)
88 (outputs '("out" "static"))
91 (modify-phases %standard-phases
93 (lambda* (#:key outputs #:allow-other-keys)
94 ;; Zlib's home-made `configure' fails when passed
95 ;; extra flags like `--enable-fast-install', so we need to
96 ;; invoke it with just what it understand.
97 (let ((out (assoc-ref outputs "out")))
98 ;; 'configure' doesn't understand '--host'.
99 ,@(if (%current-target-system)
100 `((setenv "CHOST" ,(%current-target-system)))
102 (invoke "./configure"
103 (string-append "--prefix=" out)))))
104 (add-after 'install 'move-static-library
105 (lambda* (#:key outputs #:allow-other-keys)
106 (let ((out (assoc-ref outputs "out"))
107 (static (assoc-ref outputs "static")))
108 (with-directory-excursion (string-append out "/lib")
109 (install-file "libz.a" (string-append static "/lib"))
110 (delete-file "libz.a")
112 (home-page "https://zlib.net/")
113 (synopsis "Compression library")
115 "zlib is designed to be a free, general-purpose, legally unencumbered --
116 that is, not covered by any patents -- lossless data-compression library for
117 use on virtually any computer hardware and operating system. The zlib data
118 format is itself portable across platforms. Unlike the LZW compression method
119 used in Unix compress(1) and in the GIF image format, the compression method
120 currently used in zlib essentially never expands the data. (LZW can double or
121 triple the file size in extreme cases.) zlib's memory footprint is also
122 independent of the input data and can be reduced, if necessary, at some cost
124 (license license:zlib)))
126 (define-public minizip
129 (version (package-version zlib))
130 (source (package-source zlib))
131 (build-system gnu-build-system)
134 (modify-phases %standard-phases
135 (add-after 'unpack 'enter-source
136 (lambda _ (chdir "contrib/minizip") #t))
137 (add-after 'install 'remove-crypt-h
138 (lambda* (#:key outputs #:allow-other-keys)
139 ;; Remove <minizip/crypt.h> because it interferes with libc's
140 ;; <crypt.h> given that 'minizip.pc' says "-I…/include/minizip".
141 ;; Fedora does the same:
142 ;; <https://src.fedoraproject.org/rpms/zlib/c/4d2785ec3116947872f6f32dc4104e6d36d8a7a4?branch=master>.
143 (let ((out (assoc-ref outputs "out")))
144 (delete-file (string-append out "/include/minizip/crypt.h"))
147 `(("autoconf" ,autoconf)
148 ("automake" ,automake)
149 ("libtool" ,libtool)))
150 (propagated-inputs `(("zlib" ,zlib)))
151 (home-page (package-home-page zlib))
152 (synopsis "Zip Compression library")
154 "Minizip is a minimalistic library that supports compressing,
155 extracting and viewing ZIP archives. This version is extracted from
156 the @code{zlib} source.")
157 (license (package-license zlib))))
159 (define-public fastjar
165 (uri (string-append "mirror://savannah/fastjar/fastjar-"
169 "0iginbz2m15hcsa3x4y7v3mhk54gr1r7m3ghx0pg4n46vv2snmpi"))))
170 (build-system gnu-build-system)
171 (inputs `(("zlib" ,zlib)))
172 (home-page "https://savannah.nongnu.org/projects/fastjar")
173 (synopsis "Replacement for Sun's 'jar' utility")
175 "FastJar is an attempt to create a much faster replacement for Sun's
176 @code{jar} utility. Instead of being written in Java, FastJar is written in C.")
177 (license license:gpl2+)))
179 (define-public libtar
187 "ftp://ftp.feep.net/pub/software/libtar/libtar-"
190 "mirror://debian/pool/main/libt/libtar/libtar_"
191 version ".orig.tar.gz")))
194 "02cihzl77ia0dcz7z2cga2412vyhhs5pa2355q4wpwbyga2lrwjh"))
195 (patches (search-patches "libtar-CVE-2013-4420.patch"))))
196 (build-system gnu-build-system)
197 (arguments `(#:tests? #f)) ; no "check" target
199 `(("autoconf" ,autoconf)
200 ("automake" ,automake)
201 ("libtool" ,libtool)))
204 (synopsis "C library for manipulating POSIX tar files")
206 "libtar is a C library for manipulating POSIX tar files. It handles
207 adding and extracting files to/from a tar archive.")
208 (home-page "https://repo.or.cz/libtar.git")
209 (license license:bsd-3)))
217 (uri (string-append "mirror://gnu/gzip/gzip-"
221 "1h6p374d3j8d4cdfydzls021xa2yby8myc0h8d6m8bc7k6ncq9c4"))))
222 (build-system gnu-build-system)
223 (synopsis "General file (de)compression (using lzw)")
225 ;; FIXME: The test suite wants `less', and optionally Perl.
228 (modify-phases %standard-phases
229 (add-after 'unpack 'patch-for-glibc-2.28
231 ;; Adjust the bundled gnulib to work with glibc 2.28. See e.g.
232 ;; "m4-gnulib-libio.patch". This is a phase rather than patch
233 ;; or snippet to work around <https://bugs.gnu.org/32347>.
234 (substitute* (find-files "lib" "\\.c$")
235 (("#if defined _IO_ftrylockfile")
236 "#if defined _IO_EOF_SEEN"))
237 (substitute* "lib/stdio-impl.h"
238 (("^/\\* BSD stdio derived implementations")
239 (string-append "#if !defined _IO_IN_BACKUP && defined _IO_EOF_SEEN\n"
240 "# define _IO_IN_BACKUP 0x100\n"
242 "/* BSD stdio derived implementations")))
244 (add-after 'unpack 'use-absolute-name-of-gzip
245 (lambda* (#:key outputs #:allow-other-keys)
246 (substitute* "gunzip.in"
248 (string-append "exec " (assoc-ref outputs "out")
252 "GNU Gzip provides data compression and decompression utilities; the
253 typical extension is \".gz\". Unlike the \"zip\" format, it compresses a single
254 file; as a result, it is often used in conjunction with \"tar\", resulting in
255 \".tar.gz\" or \".tgz\", etc.")
256 (license license:gpl3+)
257 (home-page "https://www.gnu.org/software/gzip/")))
265 (uri (string-append "https://sourceware.org/pub/bzip2/bzip2-"
269 "0s92986cv0p692icqlw1j42y9nld8zd83qwhzbqd61p1dqbh6nmb"))))
270 (build-system gnu-build-system)
272 `(#:modules ((guix build gnu-build-system)
277 (modify-phases %standard-phases
278 (add-after 'set-paths 'hide-input-bzip2
279 (lambda* (#:key inputs #:allow-other-keys)
280 (let ((bzip2 (assoc-ref inputs "bzip2")))
282 ;; Prevent the build system from retaining a reference to
283 ;; BZIP2 from INPUTS.
285 (setenv "LIBRARY_PATH"
286 (string-join (delete (string-append bzip2 "/lib")
287 (string-split (getenv "LIBRARY_PATH")
290 (format #t "environment variable `LIBRARY_PATH' set to `~a'~%"
291 (getenv "LIBRARY_PATH")))
292 (format #t "no bzip2 found, nothing done~%"))
295 (lambda* (#:key target #:allow-other-keys)
296 (when ,(%current-target-system)
297 ;; Cross-compilation: use the cross tools.
298 (substitute* (find-files "." "Makefile")
300 (string-append "CC = " target "-gcc\n"))
302 (string-append "AR = " target "-ar\n"))
304 (string-append "RANLIB = " target "-ranlib\n"))
305 (("^all:(.*)test" _ prerequisites)
306 ;; Remove 'all' -> 'test' dependency.
307 (string-append "all:" prerequisites "\n"))))
309 (add-before 'build 'build-shared-lib
310 (lambda* (#:key inputs #:allow-other-keys)
311 (patch-makefile-SHELL "Makefile-libbz2_so")
312 (invoke "make" "-f" "Makefile-libbz2_so")))
313 (add-after 'install 'install-shared-lib
314 (lambda* (#:key outputs #:allow-other-keys)
315 ;; The Makefile above does not have an 'install' target, nor does
316 ;; it create all the (un)versioned symlinks, so we handle it here.
317 (let* ((out (assoc-ref outputs "out"))
318 (libdir (string-append out "/lib"))
320 ;; Locate the built library (e.g. "libbz2.so.1.0.6").
321 (lib (car (scandir "."
323 (and (string-prefix? soname file)
325 (stat:type (lstat file))))))))
326 (soversion (string-drop lib (+ 1 (string-length soname)))))
327 (install-file lib libdir)
328 (with-directory-excursion libdir
329 ;; Create symlinks libbz2.so.1 -> libbz2.so.1.0, etc.
330 (let loop ((base soname)
331 (numbers (string-split soversion #\.)))
332 (unless (null? numbers)
333 (let ((so-file (string-append base "." (car numbers))))
334 (symlink so-file base)
335 (loop so-file (cdr numbers))))))
337 (add-after 'install-shared-lib 'move-static-lib
338 (lambda* (#:key outputs #:allow-other-keys)
339 (let ((out (assoc-ref outputs "out"))
340 (static (assoc-ref outputs "static")))
341 (with-directory-excursion (string-append out "/lib")
342 (install-file "libbz2.a" (string-append static "/lib"))
343 (delete-file "libbz2.a")
345 (add-after 'install-shared-lib 'patch-scripts
346 (lambda* (#:key outputs inputs #:allow-other-keys)
347 (let* ((out (assoc-ref outputs "out")))
348 (substitute* (string-append out "/bin/bzdiff")
352 #:make-flags (list (string-append "PREFIX="
353 (assoc-ref %outputs "out")))
355 ;; Don't attempt to run the tests when cross-compiling.
356 ,@(if (%current-target-system)
359 (outputs '("out" "static"))
360 (synopsis "High-quality data compression program")
362 "bzip2 is a freely available, patent free (see below), high-quality data
363 compressor. It typically compresses files to within 10% to 15% of the best
364 available techniques (the PPM family of statistical compressors), whilst
365 being around twice as fast at compression and six times faster at
367 (license (license:non-copyleft "file://LICENSE"
368 "See LICENSE in the distribution."))
369 (home-page "https://web.archive.org/web/20180801004107/http://www.bzip.org/")))
371 (define-public lbzip2
377 (uri (string-append "http://archive.lbzip2.org/lbzip2-"
381 "1sahaqc5bw4i0iyri05syfza4ncf5cml89an033fspn97klmxis6"))
382 (modules '((guix build utils)))
385 (substitute* (find-files "lib" "\\.c$")
386 (("#if defined _IO_ftrylockfile")
387 "#if defined _IO_EOF_SEEN"))
388 (substitute* "lib/stdio-impl.h"
389 (("^/\\* BSD stdio derived implementations")
390 (string-append "#if !defined _IO_IN_BACKUP && defined _IO_EOF_SEEN\n"
391 "# define _IO_IN_BACKUP 0x100\n"
393 "/* BSD stdio derived implementations")))
395 (build-system gnu-build-system)
396 (synopsis "Parallel bzip2 compression utility")
398 "lbzip2 is a multi-threaded compression utility with support for the
399 bzip2 compressed file format. lbzip2 can process standard bz2 files in
400 parallel. It uses POSIX threading model (pthreads), which allows it to take
401 full advantage of symmetric multiprocessing (SMP) systems. It has been proven
402 to scale linearly, even to over one hundred processor cores. lbzip2 is fully
403 compatible with bzip2 – both at file format and command line level.")
404 (home-page "http://www.lbzip2.org/")
405 (license license:gpl3+)))
407 (define-public pbzip2
413 (uri (string-append "https://launchpad.net/pbzip2/"
414 (version-major+minor version) "/" version
415 "/+download/" name "-" version ".tar.gz"))
418 "1rnvgcdixjzbrmcr1nv9b6ccrjfrhryaj7jwz28yxxv6lam3xlcg"))))
419 (build-system gnu-build-system)
423 `(#:tests? #f ; no tests
424 #:phases (modify-phases %standard-phases
425 (delete 'configure)) ; no configure script
426 #:make-flags (list (string-append "PREFIX=" %output))))
427 (home-page "http://compression.ca/pbzip2/")
428 (synopsis "Parallel bzip2 implementation")
430 "Pbzip2 is a parallel implementation of the bzip2 block-sorting file
431 compressor that uses pthreads and achieves near-linear speedup on SMP machines.
432 The output of this version is fully compatible with bzip2 v1.0.2 (i.e. anything
433 compressed with pbzip2 can be decompressed with bzip2).")
434 (license (license:non-copyleft "file://COPYING"
435 "See COPYING in the distribution."))))
443 (uri (list (string-append "http://tukaani.org/xz/xz-" version
445 (string-append "http://multiprecision.org/guix/xz-"
449 "0ibi2zsfaz6l756spjwc5rayf4ckgc9hwmy8qinppcyk4svz64mm"))))
450 (build-system gnu-build-system)
453 (modify-phases %standard-phases
454 (add-after 'install 'move-static-lib
455 (lambda* (#:key outputs #:allow-other-keys)
456 (let ((out (assoc-ref outputs "out"))
457 (static (assoc-ref outputs "static")))
458 (mkdir-p (string-append static "/lib"))
459 (rename-file (string-append out "/lib/liblzma.a")
460 (string-append static "/lib/liblzma.a"))
461 ;; Remove reference to the static library from the .la file
462 ;; so Libtool does the right thing when both the shared and
463 ;; static library is available.
464 (substitute* (string-append out "/lib/liblzma.la")
465 (("^old_library='liblzma.a'") "old_library=''"))
467 (outputs '("out" "static"))
468 (synopsis "General-purpose data compression")
470 "XZ Utils is free general-purpose data compression software with high
471 compression ratio. XZ Utils were written for POSIX-like systems, but also
472 work on some not-so-POSIX systems. XZ Utils are the successor to LZMA Utils.
474 The core of the XZ Utils compression code is based on LZMA SDK, but it has
475 been modified quite a lot to be suitable for XZ Utils. The primary
476 compression algorithm is currently LZMA2, which is used inside the .xz
477 container format. With typical files, XZ Utils create 30 % smaller output
478 than gzip and 15 % smaller output than bzip2.")
479 (license (list license:gpl2+ license:lgpl2.1+)) ; bits of both
480 (home-page "https://tukaani.org/xz/")))
489 "https://github.com/fragglet/lhasa/releases/download/v"
490 version "/lhasa-" version ".tar.gz"))
493 "092zi9av18ma20c6h9448k0bapvx2plnp292741dvfd9hmgqxc1z"))))
494 (build-system gnu-build-system)
497 (modify-phases %standard-phases
498 (add-before 'check 'set-up-test-environment
499 (lambda* (#:key inputs #:allow-other-keys)
500 (setenv "TZDIR" (string-append (assoc-ref inputs "tzdata")
504 `(("tzdata" ,tzdata)))
505 (home-page "https://fragglet.github.com/lhasa/")
506 (synopsis "LHA archive decompressor")
507 (description "Lhasa is a replacement for the Unix LHA tool, for
508 decompressing .lzh (LHA / LHarc) and .lzs (LArc) archives. The backend for the
509 tool is a library, so that it can be reused for other purposes. Lhasa aims to
510 be compatible with as many types of lzh/lzs archives as possible. It also aims
511 to generate the same output as the (non-free) Unix LHA tool, so that it will
512 act as a free drop-in replacement.")
513 (license license:isc)))
522 (uri (string-append "http://www.oberhumer.com/opensource/lzo/download/lzo-"
526 "0wm04519pd3g8hqpjqhfr72q8qmbiwqaxcs3cndny9h86aa95y60"))))
527 (build-system gnu-build-system)
528 (arguments '(#:configure-flags '("--enable-shared")))
529 (home-page "http://www.oberhumer.com/opensource/lzo")
531 "Data compression library suitable for real-time data de-/compression")
533 "LZO is a data compression library which is suitable for data
534 de-/compression in real-time. This means it favours speed over
537 LZO is written in ANSI C. Both the source code and the compressed data
538 format are designed to be portable across platforms.")
539 (license license:gpl2+)))
548 (uri (string-append "http://www.lzop.org/download/lzop-"
552 "0h9gb8q7y54m9mvy3jvsmxf21yx8fc3ylzh418hgbbv0i8mbcwky"))))
553 (build-system gnu-build-system)
554 (inputs `(("lzo" ,lzo)))
555 (home-page "https://www.lzop.org/")
556 (synopsis "Compress or expand files")
558 "Lzop is a file compressor which is very similar to gzip. Lzop uses the
559 LZO data compression library for compression services, and its main advantages
560 over gzip are much higher compression and decompression speed (at the cost of
561 some compression ratio).")
562 (license license:gpl2+)))
570 (uri (string-append "mirror://savannah/lzip/lzip-"
574 "12qdcw5k1cx77brv9yxi1h4dzwibhfmdpigrj43nfk8nscwm12z4"))))
575 (build-system gnu-build-system)
576 (home-page "https://www.nongnu.org/lzip/lzip.html")
577 (synopsis "Lossless data compressor based on the LZMA algorithm")
579 "Lzip is a lossless data compressor with a user interface similar to the
580 one of gzip or bzip2. Lzip decompresses almost as fast as gzip and compresses
581 more than bzip2, which makes it well-suited for software distribution and data
582 archiving. Lzip is a clean implementation of the LZMA algorithm.")
583 (license license:gpl3+)))
585 (define-public lziprecover
591 (uri (string-append "mirror://savannah/lzip/lziprecover/"
592 "lziprecover-" version ".tar.gz"))
595 "094w2z8fz41yaq0gkyr61cl7pb1d7kchpl5dka7rvm3qvbb7ncd2"))))
596 (build-system gnu-build-system)
597 (home-page "https://www.nongnu.org/lzip/lziprecover.html")
598 (synopsis "Recover and decompress data from damaged lzip files")
600 "Lziprecover is a data recovery tool and decompressor for files in the lzip
601 compressed data format (.lz). It can test the integrity of lzip files, extract
602 data from damaged ones, and repair most files with small errors (up to one
603 single-byte error per member) entirely.
605 Lziprecover is not a replacement for regular backups, but a last line of defence
606 when even the backups are corrupt. It can recover files by merging the good
607 parts of two or more damaged copies, such as can be easily produced by running
608 @command{ddrescue} on a failing device.
610 This package also includes @command{unzcrash}, a tool to test the robustness of
611 decompressors when faced with corrupted input.")
612 (license (list license:bsd-2 ; arg_parser.{cc,h}
613 license:gpl2+)))) ; everything else
615 (define-public sharutils
622 (uri (string-append "mirror://gnu/sharutils/sharutils-"
624 (patches (search-patches "sharutils-CVE-2018-1000097.patch"))
627 "16isapn8f39lnffc3dp4dan05b7x6mnc76v6q5nn8ysxvvvwy19b"))
628 (modules '((guix build utils)))
631 (substitute* (find-files "lib" "\\.c$")
632 (("#if defined _IO_ftrylockfile")
633 "#if defined _IO_EOF_SEEN"))
634 (substitute* "lib/stdio-impl.h"
635 (("^/\\* BSD stdio derived implementations")
636 (string-append "#if !defined _IO_IN_BACKUP && defined _IO_EOF_SEEN\n"
637 "# define _IO_IN_BACKUP 0x100\n"
639 "/* BSD stdio derived implementations")))
641 (build-system gnu-build-system)
646 (modify-phases %standard-phases
647 (add-after 'patch-source-shebangs 'unpatch-source-shebang
648 ;; revert the patch-shebang phase on a script which is
651 (substitute* "tests/shar-1.ok"
652 (((which "sh")) "/bin/sh"))
654 (home-page "https://www.gnu.org/software/sharutils/")
655 (synopsis "Archives in shell scripts, uuencode/uudecode")
657 "GNU sharutils is a package for creating and manipulating shell
658 archives that can be readily emailed. A shell archive is a file that can be
659 processed by a Bourne-type shell to unpack the original collection of files.
660 This package is mostly for compatibility and historical interest.")
661 (license license:gpl3+)))
663 (define-public sfarklib
670 (url "https://github.com/raboof/sfArkLib.git")
672 (file-name (git-file-name name version))
675 "0jrxy24gak7q5ml06p5jjgzk9i5r2mkfjk4ycirkp4kg7k5a237w"))))
676 (build-system gnu-build-system)
678 `(#:tests? #f ;no "check" target
680 (modify-phases %standard-phases
682 (lambda* (#:key outputs #:allow-other-keys)
683 (substitute* "Makefile"
684 (("/usr/local") (assoc-ref outputs "out")))
688 (home-page "https://github.com/raboof/sfArkLib")
689 (synopsis "Library for SoundFont decompression")
691 "SfArkLib is a C++ library for decompressing SoundFont files compressed
692 with the sfArk algorithm.")
693 (license license:gpl3+)))
695 (define-public sfarkxtc
696 (let ((commit "13cd6f93725a90d91ec5ea75babf1dbd694ac463")
700 (version (git-version "0" revision commit))
702 ;; There are no release tarballs, so we just fetch the latest
703 ;; commit at this time.
706 (url "https://github.com/raboof/sfarkxtc.git")
708 (file-name (git-file-name name version))
711 "1mb1jyk1m11l1gppd9hmql9cyp55sdf7jk5rbc7acky1z4k4mv19"))))
712 (build-system gnu-build-system)
714 `(#:tests? #f ;no "check" target
716 (modify-phases %standard-phases
718 (lambda* (#:key outputs #:allow-other-keys)
719 (substitute* "Makefile"
720 (("/usr/local") (assoc-ref outputs "out")))
724 ("sfarklib" ,sfarklib)))
725 (home-page "https://github.com/raboof/sfarkxtc")
726 (synopsis "Basic sfArk decompressor")
727 (description "SfArk extractor converts SoundFonts in the compressed legacy
728 sfArk file format to the uncompressed sf2 format.")
729 (license license:gpl3+))))
731 (define-public libmspack
734 (home-page "https://cabextract.org.uk/libmspack/")
739 (uri (string-append home-page name "-" version "alpha.tar.gz"))
741 (base32 "13janaqsvm7aqc4agjgd4819pbgqv50j88bh5kci1z70wvg65j5s"))))
742 (build-system gnu-build-system)
744 `(#:configure-flags '("--disable-static")))
745 (synopsis "Compression tools for some formats used by Microsoft")
747 "The purpose of libmspack is to provide both compression and
748 decompression of some loosely related file formats used by Microsoft.")
749 (license license:lgpl2.1+)))
758 (uri (git-reference (url "https://github.com/lz4/lz4")
759 (commit (string-append "v" version))))
762 "0lpaypmk70ag2ks3kf2dl4ac3ba40n5kc1ainkp9wfjawz76mh61"))
763 (file-name (git-file-name name version))))
764 (build-system gnu-build-system)
768 ("valgrind" ,valgrind)))
770 `(#:test-target "test"
771 #:make-flags (list "CC=gcc"
772 (string-append "prefix=" (assoc-ref %outputs "out")))
773 #:phases (modify-phases %standard-phases
774 (delete 'configure) ;no configure script
775 (add-before 'check 'disable-broken-test
777 ;; XXX: test_install.sh fails when prefix is a subdirectory.
778 (substitute* "tests/Makefile"
779 (("^test: (.*) test-install" _ targets)
780 (string-append "test: " targets)))
782 (home-page "https://www.lz4.org")
783 (synopsis "Compression algorithm focused on speed")
784 (description "LZ4 is a lossless compression algorithm, providing
785 compression speed at 400 MB/s per core (0.16 Bytes/cycle). It also features an
786 extremely fast decoder, with speed in multiple GB/s per core (0.71 Bytes/cycle).
787 A high compression derivative, called LZ4_HC, is also provided. It trades CPU
788 time for compression ratio.")
789 ;; The libraries (lz4, lz4hc, and xxhash) are BSD licenced. The command
790 ;; line interface programs (lz4, fullbench, fuzzer, datagen) are GPL2+.
791 (license (list license:bsd-2 license:gpl2+))))
793 (define-public squashfs-tools
795 (name "squashfs-tools")
799 (uri (string-append "mirror://sourceforge/squashfs/squashfs/"
800 "squashfs" version "/"
801 "squashfs" version ".tar.gz"))
804 "0zmhvczscqz0mzh4b9m8m42asq14db0a6lc8clp5ljq5ybrv70d9"))))
805 (build-system gnu-build-system)
807 '(#:tests? #f ; no check target
813 (string-append "INSTALL_DIR=" %output "/bin"))
815 (modify-phases %standard-phases
818 (chdir "squashfs-tools")
825 (home-page "http://squashfs.sourceforge.net/")
826 (synopsis "Tools to create and extract squashfs file systems")
828 "Squashfs is a highly compressed read-only file system for Linux. It uses
829 zlib to compress files, inodes, and directories. All blocks are packed to
830 minimize the data overhead, and block sizes of between 4K and 1M are supported.
831 It is intended to be used for archival use, for live CDs, and for embedded
832 systems where low overhead is needed. This package allows you to create and
833 extract such file systems.")
834 (license license:gpl2+)))
842 (uri (string-append "http://zlib.net/pigz/"
843 name "-" version ".tar.gz"))
846 "0wsgw5vwl23jrnpsvd8v3xcp5k4waw5mk0164fynjhkv58i1dy54"))))
847 (build-system gnu-build-system)
850 (modify-phases %standard-phases
853 (lambda* (#:key outputs #:allow-other-keys)
854 (let* ((out (assoc-ref outputs "out"))
855 (bin (string-append out "/bin"))
856 (man (string-append out "/share/man/man1")))
857 (install-file "pigz" bin)
858 (symlink "pigz" (string-append bin "/unpigz"))
859 (install-file "pigz.1" man)
861 #:make-flags (list "CC=gcc")
862 #:test-target "tests"))
863 (inputs `(("zlib" ,zlib)))
864 (home-page "https://zlib.net/pigz/")
865 (synopsis "Parallel implementation of gzip")
867 "This package provides a parallel implementation of gzip that exploits
868 multiple processors and multiple cores when compressing data.")
870 ;; Things under zopfli/ are under ASL2.0, but 4 files at the top-level,
871 ;; written by Mark Adler, are under another non-copyleft license.
872 (license license:asl2.0)))
881 "https://github.com/vasi/pixz/releases/download/v" version
882 "/pixz-" version ".tar.xz"))
885 "1s3j7zw6j5zi3fhdxg287ndr3wf6swac7z21mqd1pyiln530gi82"))))
886 (build-system gnu-build-system)
888 `(("pkg-config" ,pkg-config)
889 ("libarchive" ,libarchive)))
890 (home-page "https://github.com/vasi/pixz")
891 (synopsis "Parallel indexing implementation of LZMA")
893 "The existing XZ Utils provide great compression in the .xz file format,
894 but they produce just one big block of compressed data. Pixz instead produces
895 a collection of smaller blocks which makes random access to the original data
896 possible and can compress in parallel. This is especially useful for large
898 (license license:bsd-2)))
900 (define-public brotli
901 (let ((commit "e992cce7a174d6e2b3486616499d26bb0bad6448")
905 (version (string-append "0.1-" revision "."
906 (string-take commit 7)))
910 (url "https://github.com/bagder/libbrotli.git")
913 (file-name (string-append name "-" version ".tar.xz"))
916 "1qxxsasvwbbbh6dl3138y9h3fg0q2v7xdk5jjc690bdg7g1wrj6n"))
917 (modules '((guix build utils)))
919 ;; This is a recursive submodule that is
920 ;; unnecessary for this package, so delete it.
921 (delete-file-recursively "brotli/terryfy")
923 (build-system gnu-build-system)
925 `(("autoconf" ,autoconf)
926 ("automake" ,automake)
927 ("libtool" ,libtool)))
929 `(#:phases (modify-phases %standard-phases
930 (add-after 'unpack 'autogen
933 (invoke "autoreconf" "-vfi"))))))
934 (home-page "https://github.com/bagder/libbrotli/")
935 (synopsis "Implementation of the Brotli compression algorithm")
937 "Brotli is a general-purpose lossless compression algorithm. It is
938 similar in speed to deflate but offers denser compression. This package
939 provides encoder and a decoder libraries: libbrotlienc and libbrotlidec,
940 respectively, based on the reference implementation from Google.")
941 (license license:expat))))
943 (define-public bsdiff
947 (home-page "https://www.daemonology.net/bsdiff/")
950 (uri (string-append home-page name "-" version ".tar.gz"))
953 "0j2zm3z271x5aw63mwhr3vymzn45p2vvrlrpm9cz2nywna41b0hq"))))
954 (build-system gnu-build-system)
956 `(#:make-flags (list "INSTALL=install" "CC=gcc"
957 (string-append "PREFIX=" (assoc-ref %outputs "out")))
958 #:phases (modify-phases %standard-phases
960 (add-before 'build 'fix-Makefile
962 (substitute* "Makefile"
963 ;; Adjust syntax to make it compatible with GNU Make.
965 ;; Help install(1) create the target directory.
966 (("\\$\\{PREFIX\\}") "-D -t ${PREFIX}"))
968 #:tests? #f)) ;no tests
971 (synopsis "Patch binary files")
973 "@command{bsdiff} and @command{bspatch} are tools for building and
974 applying patches to binary files. By using suffix sorting (specifically
975 Larsson and Sadakane's @code{qsufsort}) and taking advantage of how
976 executable files change, bsdiff routinely produces binary patches 50-80%
977 smaller than those produced by @code{Xdelta}.")
978 (license license:bsd-2)))
980 (define-public cabextract
983 (home-page "https://cabextract.org.uk/")
987 (uri (string-append home-page "cabextract-" version ".tar.gz"))
990 "19qwhl2r8ip95q4vxzxg2kp4p125hjmc9762sns1dwwf7ikm7hmg"))
991 (modules '((guix build utils)))
994 ;; Delete bundled libmspack.
995 (delete-file-recursively "mspack")
997 (build-system gnu-build-system)
999 '(#:configure-flags '("--with-external-libmspack")
1001 (modify-phases %standard-phases
1002 ;; cabextract needs some of libmspack's header files.
1003 ;; These are located in the "mspack" directory of libmspack.
1004 (add-before 'build 'unpack-libmspack
1005 (lambda* (#:key inputs #:allow-other-keys)
1006 (let ((dir-name "libmspack-src"))
1008 (invoke "tar" "-xvf" (assoc-ref inputs "libmspack-source")
1009 "-C" dir-name "--strip-components" "1")
1010 (rename-file (string-append dir-name "/mspack")
1012 (delete-file-recursively dir-name)
1015 `(("pkg-config" ,pkg-config)))
1017 `(("libmspack" ,libmspack)
1018 ("libmspack-source" ,(package-source libmspack))))
1019 (synopsis "Tool to unpack Cabinet archives")
1020 (description "Extracts files out of Microsoft Cabinet (.cab) archives")
1021 ;; Some source files specify gpl2+, lgpl2+, however COPYING is gpl3.
1022 (license license:gpl3+)))
1024 (define-public xdelta
1032 (url "https://github.com/jmacd/xdelta.git")
1033 (commit (string-append "v" version))))
1034 (file-name (git-file-name name version))
1037 "09mmsalc7dwlvgrda56s2k927rpl3a5dzfa88aslkqcjnr790wjy"))
1039 ;; This file isn't freely distributable and has no effect on building.
1041 (delete-file "xdelta3/draft-korn-vcdiff.txt")
1043 (build-system gnu-build-system)
1045 `(("autoconf" ,autoconf)
1046 ("automake" ,automake)))
1049 (modify-phases %standard-phases
1050 (add-after 'unpack 'enter-build-directory
1051 (lambda _ (chdir "xdelta3") #t)))))
1052 (home-page "http://xdelta.org")
1053 (synopsis "Delta encoder for binary files")
1054 (description "xdelta encodes only the differences between two binary files
1055 using the VCDIFF algorithm and patch file format described in RFC 3284. It can
1056 also be used to apply such patches. xdelta is similar to @command{diff} and
1057 @command{patch}, but is not limited to plain text and does not generate
1058 human-readable output.")
1059 (license license:asl2.0)))
1061 (define-public lrzip
1069 "http://ck.kolivas.org/apps/lrzip/lrzip-" version ".tar.bz2"))
1072 "0mb449vmmwpkalq732jdyginvql57nxyd31sszb108yps1lf448d"))
1073 (patches (search-patches "lrzip-CVE-2017-8842.patch"))))
1074 (build-system gnu-build-system)
1076 `(;; nasm is only required when building for 32-bit x86 platforms
1077 ,@(if (string-prefix? "i686" (or (%current-target-system)
1086 (home-page "http://ck.kolivas.org/apps/lrzip/")
1087 (synopsis "Large file compressor with a very high compression ratio")
1088 (description "lrzip is a compression utility that uses long-range
1089 redundancy reduction to improve the subsequent compression ratio of
1090 larger files. It can then further compress the result with the ZPAQ or
1091 LZMA algorithms for maximum compression, or LZO for maximum speed. This
1092 choice between size or speed allows for either better compression than
1093 even LZMA can provide, or a higher speed than gzip while compressing as
1095 (license (list license:gpl3+
1096 license:public-domain)))) ; most files in lzma/
1098 (define-public snappy
1106 (url "https://github.com/google/snappy.git")
1108 (file-name (git-file-name name version))
1110 (base32 "1j0kslq2dvxgkcxl1gakhvsa731yrcvcaipcp5k8k7ayicvkv9jv"))
1111 (patches (search-patches "snappy-add-O2-flag-in-CmakeLists.txt.patch"))))
1112 (build-system cmake-build-system)
1114 `(#:configure-flags '("-DBUILD_SHARED_LIBS=ON")))
1115 (home-page "https://github.com/google/snappy")
1116 (synopsis "Fast compressor/decompressor")
1117 (description "Snappy is a compression/decompression library. It does not
1118 aim for maximum compression, or compatibility with any other compression library;
1119 instead, it aims for very high speeds and reasonable compression. For instance,
1120 compared to the fastest mode of zlib, Snappy is an order of magnitude faster
1121 for most inputs, but the resulting compressed files are anywhere from 20% to
1123 (license license:asl2.0)))
1125 (define-public p7zip
1131 (uri (string-append "mirror://sourceforge/" name "/" name "/"
1132 version "/" name "_" version
1133 "_src_all.tar.bz2"))
1136 "07rlwbbgszq8i7m8jh3x6j2w2hc9a72dc7fmqawnqkwlwb00mcjy"))
1137 (modules '((guix build utils)))
1140 ;; Remove non-free source files
1141 (for-each delete-file
1143 (find-files "CPP/7zip/Compress" "Rar.*")
1144 (find-files "CPP/7zip/Crypto" "Rar.*")
1145 (find-files "DOC/unRarLicense.txt")
1146 (find-files "Utils/file_Codecs_Rar_so.py")))
1147 (delete-file-recursively "CPP/7zip/Archive/Rar")
1148 (delete-file-recursively "CPP/7zip/Compress/Rar")
1150 (patches (search-patches "p7zip-CVE-2016-9296.patch"
1151 "p7zip-CVE-2017-17969.patch"
1152 "p7zip-remove-unused-code.patch"))))
1153 (build-system gnu-build-system)
1156 (list (string-append "DEST_HOME=" (assoc-ref %outputs "out")) "all3")
1158 (modify-phases %standard-phases
1160 (lambda* (#:key system outputs #:allow-other-keys)
1162 (let ((system ,(or (%current-target-system)
1163 (%current-system))))
1165 ((string-prefix? "x86_64" system)
1166 "makefile.linux_amd64_asm")
1167 ((string-prefix? "i686" system)
1168 "makefile.linux_x86_asm_gcc_4.X")
1170 "makefile.linux_any_cpu_gcc_4.X")))
1171 "makefile.machine")))
1174 (invoke "make" "test")
1175 (invoke "make" "test_7z")
1176 (invoke "make" "test_7zr"))))))
1178 (let ((system (or (%current-target-system)
1179 (%current-system))))
1180 `(,@(cond ((string-prefix? "x86_64" system)
1182 ((string-prefix? "i686" system)
1185 (home-page "http://p7zip.sourceforge.net/")
1186 (synopsis "Command-line file archiver with high compression ratio")
1187 (description "p7zip is a command-line port of 7-Zip, a file archiver that
1188 handles the 7z format which features very high compression ratios.")
1189 (license (list license:lgpl2.1+
1191 license:public-domain))))
1193 (define-public gzstream
1200 ;; No versioned URL, but last release was in 2003.
1201 "http://www.cs.unc.edu/Research/compgeom/gzstream/gzstream.tgz")
1202 (file-name (string-append name "-" version ".tgz"))
1205 "00y19pqjsdj5zcrx4p9j56pl73vayfwnb7y2hvp423nx0cwv5b4r"))
1206 (modules '((guix build utils)))
1208 ;; Remove pre-compiled object.
1210 (delete-file "gzstream.o")
1212 (build-system gnu-build-system)
1214 `(#:test-target "test"
1216 (modify-phases %standard-phases
1219 (lambda* (#:key outputs #:allow-other-keys)
1220 (let* ((out (assoc-ref outputs "out"))
1221 (lib (string-append out "/lib"))
1222 (include (string-append out "/include")))
1223 (install-file "libgzstream.a" lib)
1224 (install-file "gzstream.h" include)
1226 (propagated-inputs `(("zlib" ,zlib)))
1227 (home-page "http://www.cs.unc.edu/Research/compgeom/gzstream/")
1228 (synopsis "Compressed C++ iostream")
1229 (description "gzstream is a small library for providing zlib
1230 functionality in a C++ iostream.")
1231 (license license:lgpl2.1+)))
1239 (method url-fetch/zipbomb)
1240 (uri (string-append "http://mattmahoney.net/dc/zpaq"
1241 (string-delete #\. version) ".zip"))
1244 "066l94yyladlfzri877nh2dhkvspagjn3m5bmv725fmhkr9c4pp8"))
1245 (modules '((guix build utils)))
1247 ;; Delete irrelevant pre-compiled binaries.
1249 (for-each delete-file (find-files "." "\\.exe$"))
1251 (build-system gnu-build-system)
1254 (modify-phases %standard-phases
1255 (delete 'configure)) ; no ‘configure’ script
1258 (string-append "CPPFLAGS=-Dunix"
1259 ,(match (or (%current-target-system)
1264 ;; These should be safe, lowest-common-denominator instruction sets,
1265 ;; allowing for some optimisation while remaining reproducible.
1266 (string-append "CXXFLAGS=-O3 -DNDEBUG"
1267 ,(match (or (%current-target-system)
1269 ("x86_64-linux" " -march=nocona -mtune=generic")
1270 ("i686-linux" " -march=i686 -mtune=generic")
1271 ("armhf-linux" " -mtune=generic-armv7-a")
1273 (string-append "PREFIX="
1274 (assoc-ref %outputs "out")))))
1276 `(("perl" ,perl))) ; for pod2man
1277 (home-page "http://mattmahoney.net/dc/zpaq.html")
1278 (synopsis "Incremental journaling archiver")
1279 (description "ZPAQ is a command-line archiver for realistic situations with
1280 many duplicate and already compressed files. It backs up only those files
1281 modified since the last update. All previous versions remain untouched and can
1282 be independently recovered. Identical files are only stored once (known as
1283 @dfn{de-duplication}). Archives can also be encrypted.
1285 ZPAQ is intended to back up user data, not entire operating systems. It ignores
1286 owner and group IDs, ACLs, extended attributes, or special file types like
1287 devices, sockets, or named pipes. It does not follow or restore symbolic links
1288 or junctions, and always follows hard links.")
1289 (license (list license:public-domain
1290 ;; libzpaq.cpp contains a mix of public-domain and
1291 ;; expat-licenced (or ‘MIT’) code.
1294 (define-public unshield
1299 (origin (method git-fetch)
1301 (url "http://github.com/twogood/unshield.git")
1303 (file-name (git-file-name name version))
1306 "19wn22vszhci8dfcixx5rliz7phx3lv5ablvhjlclvj75k2vsdqd"))))
1307 (build-system cmake-build-system)
1310 ("openssl" ,openssl)
1311 ;; Test data that is otherwise downloaded with curl.
1312 ("unshield-avigomanager11b22.zip"
1316 "https://www.dropbox.com/s/8r4b6752swe3nhu/"
1317 "unshield-avigomanager11b22.zip?dl=1"))
1319 (base32 "0fwq7lih04if68wpwpsk5wjqyvh32db76a41sq6gbx4dn1lc3ddn"))
1320 (file-name "unshield-avigomanager11b22.zip")))
1321 ("unshield-baldurs_gate_patch_v1_1_4315_international.zip"
1325 "https://www.dropbox.com/s/9ruil8oi6amjbbk/"
1326 "unshield-baldurs_gate_patch_v1_1_4315_international.zip?dl=1"))
1328 (base32 "0spaxf6dardlhqxz3ys09fzamj007q3nfyw4xng6gh3qp9780maj"))
1329 (file-name "unshield-baldurs_gate_patch_v1_1_4315_international.zip")))
1330 ("unshield-the-feeble-files-spanish.zip"
1334 "https://www.dropbox.com/s/1ng0z9kfxc7eb1e/"
1335 "unshield-the-feeble-files-spanish.zip?dl=1"))
1337 (base32 "1k5cw6vnpja8yjlnhx5124xrw9i8s1l539hfdqqrqz3l5gn0bnyd"))
1338 (file-name "unshield-the-feeble-files-spanish.zip")))))
1340 `(("unzip" ,unzip)))
1342 `(#:out-of-source? #f
1344 (modify-phases %standard-phases
1345 (add-before 'check 'pre-check
1346 (lambda* (#:key inputs #:allow-other-keys)
1347 (for-each (lambda (i)
1348 (copy-file (assoc-ref inputs i)
1349 (string-append "test/v0/" i)))
1350 '("unshield-avigomanager11b22.zip"
1351 "unshield-baldurs_gate_patch_v1_1_4315_international.zip"
1352 "unshield-the-feeble-files-spanish.zip"))
1353 (substitute* (find-files "test/" "/*\\.sh")
1354 ;; Tests expect the unshield binary in a specific
1356 (("/var/tmp/unshield/bin/unshield")
1357 (string-append (getcwd) "/src/unshield"))
1358 ;; We no longer need to download the data.
1360 (("curl -(|f)sSL -o test.zip .*") ""))
1361 (substitute* "test/v0/avigomanager.sh"
1363 (string-append (getcwd)
1364 "/test/v0/unshield-avigomanager11b22.zip")))
1365 (substitute* "test/v0/baldurs_gate_patch_v1_1_4315_international.sh"
1369 "/test/v0/unshield-baldurs_gate_patch_v1_1_4315_international.zip")))
1370 (substitute* "test/v0/the-feeble-files-spanish.sh"
1372 (string-append (getcwd)
1373 "/test/v0/unshield-the-feeble-files-spanish.zip")))
1377 (invoke "./run-tests.sh"))))))
1378 (home-page "https://github.com/twogood/unshield")
1379 (synopsis "Extract CAB files from InstallShield installers")
1381 "@command{unshield} is a tool and library for extracting @file{.cab}
1382 archives from InstallShield installers.")
1383 (license license:expat)))
1392 (uri (string-append "https://github.com/facebook/zstd/releases/download/"
1393 "v" version "/zstd-" version ".tar.gz"))
1395 (base32 "05ckxap00qvc0j51d3ci38150cxsw82w7s9zgd5fgzspnzmp1vsr"))))
1396 (build-system gnu-build-system)
1397 (outputs '("out" ;1.2MiB executables and documentation
1398 "lib" ;1.2MiB shared library and headers
1399 "static")) ;1.2MiB static library
1402 (modify-phases %standard-phases
1403 (delete 'configure) ;no configure script
1404 (add-after 'install 'adjust-library-locations
1405 (lambda* (#:key outputs #:allow-other-keys)
1406 (let* ((out (assoc-ref outputs "out"))
1407 (lib (assoc-ref outputs "lib"))
1408 (static (assoc-ref outputs "static"))
1409 (shared-libs (string-append lib "/lib"))
1410 (static-libs (string-append static "/lib")))
1411 ;; Move the static library to its own output to save ~1MiB.
1412 (mkdir-p static-libs)
1413 (for-each (lambda (ar)
1414 (link ar (string-append static-libs "/"
1417 (find-files shared-libs "\\.a$"))
1419 ;; Make sure the pkg-config file refers to the right output.
1420 (substitute* (string-append shared-libs "/pkgconfig/libzstd.pc")
1422 (string-append "prefix=" lib "\n")))
1427 (string-append "PREFIX=" (assoc-ref %outputs "out"))
1428 (string-append "LIBDIR=" (assoc-ref %outputs "lib") "/lib")
1429 (string-append "INCLUDEDIR=" (assoc-ref %outputs "lib") "/include")
1430 ;; Skip auto-detection of, and creating a dependency on, the build
1431 ;; environment's ‘xz’ for what amounts to a dubious feature anyway.
1433 ;; Not currently detected, but be explicit & avoid surprises later.
1436 (home-page "https://facebook.github.io/zstd/")
1437 (synopsis "Zstandard real-time compression algorithm")
1438 (description "Zstandard (@command{zstd}) is a lossless compression algorithm
1439 that combines very fast operation with a compression ratio comparable to that of
1440 zlib. In most scenarios, both compression and decompression can be performed in
1441 ‘real time’. The compressor can be configured to provide the most suitable
1442 trade-off between compression ratio and speed, without affecting decompression
1444 (license (list license:bsd-3 ; the main top-level LICENSE file
1445 license:bsd-2 ; many files explicitly state 2-Clause
1446 license:gpl2 ; the main top-level COPYING file
1447 license:gpl3+ ; tests/gzip/*.sh
1448 license:expat ; lib/dictBuilder/divsufsort.[ch]
1449 license:public-domain ; zlibWrapper/examples/fitblk*
1450 license:zlib)))) ; zlibWrapper/{gz*.c,gzguts.h}
1452 (define-public pzstd
1455 (version (package-version zstd))
1456 (source (package-source zstd))
1457 (build-system gnu-build-system)
1459 `(("googletest" ,googletest)))
1462 (modify-phases %standard-phases
1463 (add-after 'unpack 'enter-subdirectory
1464 (lambda _ (chdir "contrib/pzstd") #t))
1465 (delete 'configure) ; no configure script
1466 (add-before 'check 'compile-tests
1467 (lambda* (#:key make-flags #:allow-other-keys)
1468 (apply invoke "make" "tests" make-flags)))
1469 (add-after 'install 'install-documentation
1470 (lambda* (#:key outputs #:allow-other-keys)
1471 (let* ((out (assoc-ref outputs "out"))
1472 (doc (string-append out "/share/doc/" ,name)))
1474 (install-file "README.md" doc)
1478 (string-append "PREFIX=" (assoc-ref %outputs "out")))))
1479 (home-page (package-home-page zstd))
1480 (synopsis "Threaded implementation of the Zstandard compression algorithm")
1481 (description "Parallel Zstandard (PZstandard or @command{pzstd}) is a
1482 multi-threaded implementation of the @uref{http://zstd.net/, Zstandard
1483 compression algorithm}. It is fully compatible with the original Zstandard file
1484 format and command-line interface, and can be used as a drop-in replacement.
1486 Compression is distributed over multiple processor cores to improve performance,
1487 as is the decompression of data compressed in this manner. Data compressed by
1488 other implementations will only be decompressed by two threads: one performing
1489 the actual decompression, the other input and output.")
1490 (license (package-license zstd))))
1499 (uri (string-append "mirror://sourceforge/infozip"
1500 "/Zip%203.x%20%28latest%29/3.0/zip30.tar.gz"))
1503 "0sb3h3067pzf3a7mlxn1hikpcjrsvycjcnj9hl9b1c3ykcgvps7h"))))
1504 (build-system gnu-build-system)
1505 (inputs `(("bzip2" ,bzip2)))
1507 `(#:tests? #f ; no test target
1508 #:make-flags (let ((out (assoc-ref %outputs "out")))
1509 (list "-f" "unix/Makefile"
1510 (string-append "prefix=" out)
1511 (string-append "MANDIR=" out "/share/man/man1")))
1513 (modify-phases %standard-phases
1515 (lambda* (#:key (make-flags '()) #:allow-other-keys)
1516 (apply invoke "make" "generic_gcc" make-flags)))
1517 (delete 'configure))))
1518 (home-page "http://www.info-zip.org/Zip.html")
1519 (synopsis "Compression and file packing utility")
1521 "Zip is a compression and file packaging/archive utility. Zip is useful
1522 for packaging a set of files for distribution, for archiving files, and for
1523 saving disk space by temporarily compressing unused files or directories.
1524 Zip puts one or more compressed files into a single ZIP archive, along with
1525 information about the files (name, path, date, time of last modification,
1526 protection, and check information to verify file integrity). An entire
1527 directory structure can be packed into a ZIP archive with a single command.
1529 Zip has one compression method (deflation) and can also store files without
1530 compression. Zip automatically chooses the better of the two for each file.
1531 Compression ratios of 2:1 to 3:1 are common for text files.")
1532 (license (license:non-copyleft "file://LICENSE"
1533 "See LICENSE in the distribution."))))
1535 (define-public unzip
1536 (package (inherit zip)
1542 (uri (string-append "mirror://sourceforge/infozip"
1543 "/UnZip%206.x%20%28latest%29/UnZip%206.0/unzip60.tar.gz"))
1546 "0dxx11knh3nk95p2gg2ak777dd11pr7jx5das2g49l262scrcv83"))
1547 (patches (search-patches "unzip-CVE-2014-8139.patch"
1548 "unzip-CVE-2014-8140.patch"
1549 "unzip-CVE-2014-8141.patch"
1550 "unzip-CVE-2014-9636.patch"
1551 "unzip-CVE-2015-7696.patch"
1552 "unzip-CVE-2015-7697.patch"
1553 "unzip-allow-greater-hostver-values.patch"
1554 "unzip-initialize-symlink-flag.patch"
1555 "unzip-remove-build-date.patch"
1556 "unzip-attribs-overflow.patch"
1557 "unzip-overflow-on-invalid-input.patch"
1558 "unzip-format-secure.patch"
1559 "unzip-overflow-long-fsize.patch"))))
1560 (build-system gnu-build-system)
1561 ;; no inputs; bzip2 is not supported, since not compiled with BZ_NO_STDIO
1563 `(#:phases (modify-phases %standard-phases
1565 (add-after 'unpack 'fortify
1567 ;; Mitigate CVE-2018-1000035, an exploitable buffer overflow.
1568 ;; This environment variable is recommended in 'unix/Makefile'
1569 ;; for passing flags to the C compiler.
1570 (setenv "LOCAL_UNZIP" "-D_FORTIFY_SOURCE=1")
1573 (lambda* (#:key make-flags #:allow-other-keys)
1574 (apply invoke "make"
1575 `("-j" ,(number->string
1576 (parallel-job-count))
1579 #:make-flags (list "-f" "unix/Makefile"
1580 (string-append "prefix=" %output)
1581 (string-append "MANDIR=" %output "/share/man/man1"))))
1582 (home-page "http://www.info-zip.org/UnZip.html")
1583 (synopsis "Decompression and file extraction utility")
1585 "UnZip is an extraction utility for archives compressed in .zip format,
1586 also called \"zipfiles\".
1588 UnZip lists, tests, or extracts files from a .zip archive. The default
1589 behaviour (with no options) is to extract into the current directory, and
1590 subdirectories below it, all files from the specified zipfile. UnZip
1591 recreates the stored directory structure by default.")
1592 (license (license:non-copyleft "file://LICENSE"
1593 "See LICENSE in the distribution."))))
1595 (define-public zziplib
1599 (home-page "https://github.com/gdraheim/zziplib")
1602 (uri (git-reference (url home-page)
1603 (commit (string-append "v" version))))
1604 (file-name (git-file-name name version))
1605 (patches (search-patches "zziplib-CVE-2018-16548.patch"))
1608 "0fbk9k7ryas2wh2ykwkvm1pbi40i88rfvc3dydh9xyd7w2jcki92"))))
1609 (build-system gnu-build-system)
1611 `(#:phases (modify-phases %standard-phases
1612 (add-before 'check 'make-files-writable
1614 (for-each make-file-writable
1615 (find-files "test" #:directories? #t))
1618 ;; XXX: The default test target attempts to download external resources and
1619 ;; fails without error: <https://github.com/gdraheim/zziplib/issues/53>.
1620 ;; To prevent confusing log messages, just run a simple zip test that works.
1621 #:test-target "check-readme"))
1624 (native-inputs `(("perl" ,perl) ; for the documentation
1625 ("pkg-config" ,pkg-config)
1626 ;; for the documentation; Python 3 not supported,
1627 ;; http://forums.gentoo.org/viewtopic-t-863161-start-0.html
1628 ("python" ,python-2)
1629 ("zip" ,zip))) ; to create test files
1630 (synopsis "Library for accessing zip files")
1632 "ZZipLib is a library based on zlib for accessing zip files.")
1633 ;; zziplib is dual licensed under LGPL2.0+ and MPL1.1. Some example source
1634 ;; files carry the Zlib license; see "docs/copying.html" for details.
1635 (license (list license:lgpl2.0+ license:mpl1.1))))
1637 (define-public libzip
1644 "https://libzip.org/download/libzip-" version ".tar.xz"))
1647 "0h9nsgkw0dk4srsvmz6xy6f9l4h815xn07j8h40l8gqvcxxaqpbh"))))
1651 `(("gnutls" ,gnutls)
1653 ("openssl" ,openssl)
1655 (build-system cmake-build-system)
1656 (home-page "https://libzip.org")
1657 (synopsis "C library for reading, creating, and modifying zip archives")
1658 (description "Libzip is a C library for reading, creating, and modifying
1659 zip archives. Files can be added from data buffers, files, or compressed data
1660 copied directly from other zip archives. Changes made without closing the
1661 archive can be reverted.")
1662 (license license:bsd-3)))
1664 (define-public atool
1671 (uri (string-append "http://savannah.nongnu.org/download/atool/atool-"
1675 "0fvhzip2v08jgnlfpyj6rapan39xlsl1ksgq4lp8gfsai2ah1xma"))))
1676 (build-system gnu-build-system)
1679 (modify-phases %standard-phases
1680 (add-after 'unpack 'embed-absolute-file-name
1681 (lambda* (#:key inputs #:allow-other-keys)
1682 (substitute* "atool"
1683 (("(^\\$::cfg_path_file.*= )'file'" _ pre)
1684 (string-append pre "'" (assoc-ref inputs "file")
1690 (home-page "https://www.nongnu.org/atool/")
1691 (synopsis "Universal tool to manage file archives of various types")
1692 (description "The main command is @command{aunpack} which extracts files
1693 from an archive. The other commands provided are @command{apack} (to create
1694 archives), @command{als} (to list files in archives), and @command{acat} (to
1695 extract files to standard out). As @command{atool} invokes external programs
1696 to handle the archives, not all commands may be supported for a certain type
1698 (license license:gpl2+)))
1700 (define-public lunzip
1707 (uri (string-append "mirror://savannah/lzip/lunzip/"
1708 "lunzip-" version ".tar.gz"))
1710 (base32 "19zq3gmlbia2krq4k4zs1j0xjdv7nsdzqvfb0pyca5n53h2mzb91"))))
1711 (build-system gnu-build-system)
1715 (home-page "https://www.nongnu.org/lzip/lunzip.html")
1716 (synopsis "Small, stand-alone lzip decompressor")
1718 "Lunzip is a decompressor for files in the lzip compression format (.lz),
1719 written as a single small C tool with no dependencies. This makes it
1720 well-suited to embedded and other systems without a C++ compiler, or for use in
1721 applications such as software installers that need only to decompress files,
1723 Lunzip is intended to be fully compatible with the regular lzip package.")
1724 (license (list license:bsd-2 ; carg_parser.[ch]
1725 license:gpl2+)))) ; everything else
1727 (define-public clzip
1734 (uri (string-append "mirror://savannah/lzip/clzip/"
1735 "clzip-" version ".tar.gz"))
1737 (base32 "1h14dmc9fi10gcdpdpbgq1bwvcxvivppilj64pf720x8mw915mfr"))))
1738 (build-system gnu-build-system)
1742 (home-page "https://www.nongnu.org/lzip/clzip.html")
1743 (synopsis "Small, stand-alone lzip compressor and decompressor")
1745 "Clzip is a compressor and decompressor for files in the lzip compression
1746 format (.lz), written as a single small C tool with no dependencies. This makes
1747 it well-suited to embedded and other systems without a C++ compiler, or for use
1748 in other applications like package managers.
1749 Clzip is intended to be fully compatible with the regular lzip package.")
1750 (license (list license:bsd-2 ; carg_parser.[ch], lzd in clzip.texi
1753 (define-public lzlib
1760 (uri (string-append "mirror://savannah/lzip/lzlib/"
1761 "lzlib-" version ".tar.gz"))
1763 (base32 "0djdj4sg33rzi4k84cygvnp09bfsv6i8wy2k7i67rayib63myp3c"))))
1764 (build-system gnu-build-system)
1768 "--enable-shared"))) ; only static (.a) is built by default
1769 (home-page "https://www.nongnu.org/lzip/lzlib.html")
1770 (synopsis "Lzip data compression C library")
1772 "Lzlib is a C library for in-memory LZMA compression and decompression in
1773 the lzip format. It supports integrity checking of the decompressed data, and
1774 all functions are thread-safe. The library should never crash, even in case of
1776 (license (list license:bsd-2 ; the library itself
1777 license:gpl2+)))) ; main.c (i.e. minilzip used by tests)
1779 (define-public plzip
1786 (uri (string-append "mirror://savannah/lzip/plzip/"
1787 "plzip-" version ".tar.gz"))
1789 (base32 "04indil809qgfmz776imb3dnhkysh7zk28jcv3mw0ahl2lyaxbzd"))))
1790 (build-system gnu-build-system)
1792 `(("lzlib" ,lzlib)))
1793 (home-page "https://www.nongnu.org/lzip/plzip.html")
1794 (synopsis "Parallel lossless data compressor for the lzip format")
1796 "Plzip is a massively parallel (multi-threaded) lossless data compressor
1797 and decompressor that uses the lzip file format (.lz). Files produced by plzip
1798 are fully compatible with lzip and can be rescued with lziprecover.
1799 On multiprocessor machines, plzip can compress and decompress large files much
1800 faster than lzip, at the cost of a slightly reduced compression ratio (0.4% to
1801 2%). The number of usable threads is limited by file size: on files of only a
1802 few MiB, plzip is no faster than lzip.
1803 Files that were compressed with regular lzip will also not be decompressed
1804 faster by plzip, unless the @code{-b} option was used: lzip usually produces
1805 single-member files which can't be decompressed in parallel.")
1806 (license (list license:bsd-2 ; arg_parser.{cc,h}
1807 license:gpl2+)))) ; everything else
1809 (define-public innoextract
1811 (name "innoextract")
1816 (uri (string-append "https://github.com/dscharrer/innoextract/releases"
1817 "/download/" version
1818 "/innoextract-" version ".tar.gz"))
1821 "0saj50n8ds85shygy4mq1h6s99510r9wgjjdll4dmvhra4lzcy2y"))))
1822 (build-system cmake-build-system)
1825 #:phases (modify-phases %standard-phases
1826 (add-before 'configure 'glibc-is-already-a-system-library
1828 ;; Prevent the build system from passing the glibc
1829 ;; header files to GCC as "system headers", because
1830 ;; it conflicts with the system headers already known
1831 ;; to GCC, causing #include_next failures.
1832 (substitute* "CMakeLists.txt"
1833 (("include_directories\\(SYSTEM \\$\\{iconv")
1834 "include_directories(${iconv"))
1836 (inputs `(("boost" ,boost)
1837 ("libiconv" ,libiconv)
1839 (native-inputs `(("pkg-config" ,pkg-config)))
1840 (home-page "https://constexpr.org/innoextract/")
1841 (synopsis "Tool for extracting Inno Setup installers")
1842 (description "innoextract allows extracting Inno Setup installers under
1843 non-Windows systems without running the actual installer using wine.")
1844 (license license:zlib)))
1846 (define-public google-brotli
1848 (name "google-brotli")
1854 (url "https://github.com/google/brotli.git")
1855 (commit (string-append "v" version))))
1856 (file-name (git-file-name name version))
1858 (base32 "1811b55wdfg4kbsjcgh1kc938g118jpvif97ilgrmbls25dfpvvw"))))
1859 (build-system cmake-build-system)
1862 (modify-phases %standard-phases
1863 (add-after 'install 'rename-static-libraries
1864 ;; The build tools put a 'static' suffix on the static libraries, but
1865 ;; other applications don't know how to find these.
1866 (lambda* (#:key outputs #:allow-other-keys)
1867 (let ((lib (string-append (assoc-ref %outputs "out") "/lib/")))
1868 (rename-file (string-append lib "libbrotlicommon-static.a")
1869 (string-append lib "libbrotlicommon.a"))
1870 (rename-file (string-append lib "libbrotlidec-static.a")
1871 (string-append lib "libbrotlidec.a"))
1872 (rename-file (string-append lib "libbrotlienc-static.a")
1873 (string-append lib "libbrotlienc.a"))
1876 (list ;; Defaults to "lib64" on 64-bit archs.
1877 (string-append "-DCMAKE_INSTALL_LIBDIR="
1878 (assoc-ref %outputs "out") "/lib"))))
1879 (home-page "https://github.com/google/brotli")
1880 (synopsis "General-purpose lossless compression")
1881 (description "This package provides the reference implementation of Brotli,
1882 a generic-purpose lossless compression algorithm that compresses data using a
1883 combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd
1884 order context modeling, with a compression ratio comparable to the best
1885 currently available general-purpose compression methods. It is similar in speed
1886 with @code{deflate} but offers more dense compression.
1888 The specification of the Brotli Compressed Data Format is defined in RFC 7932.")
1889 (license license:expat)))
1897 (uri (string-append "https://www.oberhumer.com/opensource/"
1898 name "/download/" name "-" version ".tar.gz"))
1901 "0j036lkwsxvm15gr29n8wn07cqq79dswjs9k54939ms5zngjjrdq"))))
1902 (build-system gnu-build-system)
1904 `(;; UCL 1.03 fails to build with newer C standards.
1905 #:configure-flags '("CFLAGS=-std=gnu90"
1906 "--enable-shared" "--disable-static")))
1907 (home-page "https://www.oberhumer.com/opensource/ucl/")
1908 (synopsis "Portable lossless data compression library")
1909 (description "UCL implements a number of compression algorithms that
1910 achieve an excellent compression ratio while allowing fast decompression.
1911 Decompression requires no additional memory.
1913 Compared to LZO, the UCL algorithms achieve a better compression ratio but
1914 decompression is a little bit slower.")
1915 (license license:gpl2+)))
1923 (uri (string-append "https://github.com/upx/upx/releases/download/v"
1924 version "/upx-" version "-src.tar.xz"))
1927 "051pk5jk8fcfg5mpgzj43z5p4cn7jy5jbyshyn78dwjqr7slsxs7"))))
1928 (build-system gnu-build-system)
1938 (modify-phases %standard-phases
1939 (delete 'configure) ; no configure script
1940 (delete 'check) ; no test suite
1941 (add-before 'build 'patch-exec-bin-sh
1943 (substitute* (list "Makefile"
1945 (("/bin/sh") (which "sh")))
1948 (lambda* (#:key outputs #:allow-other-keys)
1949 (let* ((out (assoc-ref outputs "out"))
1950 (bin (string-append out "/bin")))
1952 (copy-file "src/upx.out" (string-append bin "/upx")))
1954 (home-page "https://upx.github.io/")
1955 (synopsis "Compression tool for executables")
1957 "The Ultimate Packer for eXecutables (UPX) is an executable file
1958 compressor. UPX typically reduces the file size of programs and shared
1959 libraries by around 50%--70%, thus reducing disk space, network load times,
1960 download times, and other distribution and storage costs.")
1961 (license license:gpl2+)))
1963 (define-public quazip
1970 (url "https://github.com/stachenov/quazip.git")
1971 (commit (string-append "v" version))))
1972 (file-name (git-file-name name version))
1975 "1g473gnsbkvxpsv8lbsmhspn7jnq86b05zzgqh11r581v8ndvz5s"))))
1976 (build-system cmake-build-system)
1978 `(#:tests? #f)) ;no test
1980 `(("doxygen" ,doxygen)))
1982 `(("qtbase" ,qtbase)
1984 (home-page "https://stachenov.github.io/quazip/index.html")
1985 (synopsis "Qt/C++ wrapper for Minizip")
1986 (description "QuaZIP is a simple C++ wrapper over Gilles Vollant's
1987 ZIP/UNZIP package that can be used to access ZIP archives. It uses
1988 Trolltech's Qt toolkit.
1990 QuaZIP allows you to access files inside ZIP archives using QIODevice
1991 API, and that means that you can also use QTextStream, QDataStream or
1992 whatever you would like to use on your zipped files.
1994 QuaZIP provides complete abstraction of the ZIP/UNZIP API, for both
1995 reading from and writing to ZIP archives. ")
1996 ;; Project is distributed under LGPL, but "quazip/z*" "quazip/unzip.*" are
1997 ;; distributed under zlib terms.
1998 (license (list license:lgpl2.1+ license:zlib))))
2000 (define-public zutils
2003 ;; Check and remove the lint-hidden-cve property when updating.
2008 (uri (string-append "mirror://savannah/zutils/zutils-" version ".tar.lz"))
2010 (base32 "0dx35mv78fgqgz6sszs05ng8ipz2xy09ry9vpmka2rmy08b7x907"))))
2011 (build-system gnu-build-system)
2014 (list "--sysconfdir=/etc")
2016 (modify-phases %standard-phases
2018 (lambda* (#:key make-flags outputs #:allow-other-keys)
2019 (apply invoke "make" "install"
2020 (string-append "sysconfdir=" (assoc-ref outputs "out")
2024 ;; Needed to extract the source tarball and run the test suite.
2026 (properties `((lint-hidden-cve . ("CVE-2018-1000637"))))
2027 (home-page "https://www.nongnu.org/zutils/zutils.html")
2028 (synopsis "Utilities that transparently operate on compressed files")
2030 "Zutils is a collection of utilities able to process any combination of
2031 compressed and uncompressed files transparently. If any given file, including
2032 standard input, is compressed, its decompressed content is used instead.
2034 @command{zcat}, @command{zcmp}, @command{zdiff}, and @command{zgrep} are
2035 improved replacements for the shell scripts provided by GNU gzip.
2036 @command{ztest} tests the integrity of supported compressed files.
2037 @command{zupdate} recompresses files with lzip, similar to gzip's
2040 Supported compression formats are bzip2, gzip, lzip, and xz. Zutils uses
2041 external compressors: the compressor to be used for each format is configurable
2042 at run time, and must be installed separately.")
2043 (license (list license:bsd-2 ; arg_parser.{cc,h}
2044 license:gpl2+)))) ; the rest
2046 (define-public makeself-safeextract
2047 (let ((commit "1a95e121fa8e3c02d307ae37b9b7834e616c3683"))
2049 (name "makeself-safeextract")
2050 (version (git-version "0.0.0" "1" commit))
2051 (home-page "https://github.com/ssokolow/makeself_safeextract")
2058 (file-name (git-file-name name version))
2061 "1anlinaj9lvfi8bn00wp11vzqq0f9sig4fm9yrspisx31v0z4a2c"))))
2062 (build-system trivial-build-system)
2064 `(("python" ,python-2)
2068 `(#:modules ((guix build utils))
2071 (use-modules (guix build utils))
2072 (let* ((name "makeself_safeextract")
2073 (source (string-append (assoc-ref %build-inputs "source")
2075 (bin (string-append (assoc-ref %outputs "out") "/bin"))
2076 (target (string-append bin "/" name))
2077 (python (string-append (assoc-ref %build-inputs "python") "/bin"))
2078 (7z (string-append (assoc-ref %build-inputs "p7zip") "/bin/7z"))
2079 (unzip (string-append (assoc-ref %build-inputs "unzip") "/bin/unzip")))
2080 (setenv "PATH" (string-append (getenv "PATH") ":" python))
2082 (copy-file source target)
2084 (("'7z'") (format #f "'~a'" 7z))
2085 (("'unzip'") (format #f "'~a'" unzip)))
2086 (patch-shebang target)))))
2087 (synopsis "Extract makeself and mojo archives without running untrusted code")
2088 (description "This package provides a script to unpack self-extracting
2089 archives generated by @command{makeself} or @command{mojo} without running the
2090 possibly untrusted extraction shell script.")
2091 (license license:gpl3+))))
2093 (define-public ncompress
2100 (url "https://github.com/vapier/ncompress")
2101 (commit (string-append "v" version))))
2102 (patches (search-patches "ncompress-fix-softlinks.patch"))
2103 (file-name (string-append name "-" version ".tar.gz"))
2106 "1a4yir1ilafz0nzxdwigj204j4yy2zljbc501nsaqqm3dxdap8zn"))))
2108 '(#:make-flags (list "CC=gcc"
2109 (string-append "BINDIR=" %output "/bin")
2110 (string-append "MANDIR=" %output "/share/man/man1"))
2111 #:phases (modify-phases %standard-phases
2112 (delete 'configure))))
2113 (build-system gnu-build-system)
2114 (home-page "https://github.com/vapier/ncompress/")
2115 (synopsis "Original Lempel-Ziv compress/uncompress programs")
2116 (description "(N)compress provides the original compress and uncompress
2117 programs that used to be the de facto UNIX standard for compressing and
2118 uncompressing files. These programs implement a fast, simple Lempel-Ziv (LZW)
2119 file compression algorithm.")
2120 (license license:gpl2+)))