1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
;;;
;;; 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 libpng)
#:use-module (gnu packages)
#:use-module (gnu packages compression)
#:use-module ((guix licenses) #:renamer (symbol-prefix-proc 'license:))
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix build-system gnu))
(define-public libpng
(package
(name "libpng")
(version "1.5.17")
(source (origin
(method url-fetch)
;; Note: upstream removes older tarballs.
(uri (list (string-append "mirror://sourceforge/libpng/libpng15/"
version "/libpng-" version ".tar.xz")
(string-append
"ftp://ftp.simplesystems.org/pub/libpng/png/src"
"/libpng15/libpng-" version ".tar.xz")))
(sha256
(base32 "19wj293r4plbfgb43yhrc2qx8bsch9gbazazfqrj9haa7lsk29jp"))))
(build-system gnu-build-system)
;; libpng.la says "-lz", so propagate it.
(propagated-inputs `(("zlib" ,zlib)))
(synopsis "Library for handling PNG files")
(description
"Libpng is the official PNG (Portable Network Graphics) reference
library. It supports almost all PNG features and is extensible.")
(license license:zlib)
(home-page "http://www.libpng.org/pub/png/libpng.html")))
|