[PATCH] gnu: Add libicns

[Brendan Tildesley <brendan.tildesley@openmailbox.org>]

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From 64ca4155a754a93b26a1002185950f49469197f3 Mon Sep 17 00:00:00 2001
From: Brendan Tildesley <brendan.tildesley@openmailbox.org>
Date: Sat, 3 Sep 2016 05:53:56 +1000
Subject: [PATCH] gnu: Add libicns

* gnu/packages/image.scm (libicns): New variable
---
 gnu/packages/image.scm | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm
index 4fdc4ae..7f1d237 100644
--- a/gnu/packages/image.scm
+++ b/gnu/packages/image.scm
@@ -147,6 +147,34 @@ maximum quality factor.")
    (license license:gpl2+)
    (home-page "http://www.kokkonen.net/tjko/projects.html#jpegoptim")))
 
+(define-public libicns
+  (package
+    (name "libicns")
+    (version "0.8.1")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append
+                   "https://sourceforge.net/projects/icns/files/libicns-"
+                   version ".tar.gz/download"))
+             (file-name (string-append "libicns-" version ".tar.gz"))
+             (sha256 (base32
+                      "1hjm8lwap7bjyyxsyi94fh5817xzqhk4kb5y0b7mb6675xw10prk"))))
+    (build-system gnu-build-system)
+    (arguments
+     ;; no tests
+     '(#:tests? #f))
+    (inputs `(("libpng" ,libpng)
+              ("jasper" ,jasper)))
+    (home-page "http://icns.sourceforge.net/")
+    (synopsis "Library for handling Mac OS icns resource files")
+    (description
+     "libicns is a library for the manipulation of Mac OS IconFamily resource
+type files (ICNS).  icns2png and png2icns are provided to convert between PNG
+and ICNS. icns2png will extract image files from ICNS files under names like
+\"Foo_48x48x32.png\" useful for installing for use with .desktop files.")
+    (license (list license:lgpl2.1+  ; libicns
+                   license:gpl2+)))) ; icns2png, png2icns, icontainer2png
+
 (define-public libtiff
   (package
    (name "libtiff")
-- 
2.9.3