02/05: gnu: Add ucl.

[Ludovic Courtès]

civodul pushed a commit to branch master
in repository guix.

commit 719871771d4fd6482878d1fedc3505c5d54c6622
Author: Pierre Neidhardt <address@hidden>
Date:   Fri May 18 00:51:09 2018 +0200

    gnu: Add ucl.
    
    * gnu/packages/compression.scm (ucl): New variable.
    
    Signed-off-by: Ludovic Courtès <address@hidden>
---
 gnu/packages/compression.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index 1cb0d20..4ce481a 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -22,6 +22,7 @@
 ;;; Copyright © 2017 Julien Lepiller <address@hidden>
 ;;; Copyright © 2018 Rutger Helling <address@hidden>
 ;;; Copyright © 2018 Joshua Sierles, Nextjournal <address@hidden>
+;;; Copyright © 2018 Pierre Neidhardt <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -2151,3 +2152,25 @@ with @code{deflate} but offers more dense compression.
 
 The specification of the Brotli Compressed Data Format is defined in RFC 
7932.")
     (license license:expat)))
+
+(define-public ucl
+  (package
+    (name "ucl")
+    (version "1.03")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append "http://www.oberhumer.com/opensource/";
+                                 name "/download/" name "-" version ".tar.gz"))
+             (sha256
+              (base32
+               "0j036lkwsxvm15gr29n8wn07cqq79dswjs9k54939ms5zngjjrdq"))))
+    (build-system gnu-build-system)
+    (home-page "http://www.oberhumer.com/opensource/ucl/";)
+    (synopsis "Portable lossless data compression library")
+    (description "UCL implements a number of compression algorithms that
+achieve an excellent compression ratio while allowing fast decompression.
+Decompression requires no additional memory.
+
+Compared to LZO, the UCL algorithms achieve a better compression ratio but
+decompression is a little bit slower.")
+    (license license:gpl2+)))