bug#25843: [PATCH 1/2] gnu: Add zstd.

[Tobias Geerinckx-Rice]

* gnu/packages/compression.scm (zstd): New variable.
---
 gnu/packages/compression.scm | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index 9897883..9870158 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -1128,3 +1128,44 @@ or junctions, and always follows hard links.")
                    ;; libzpaq.cpp contains a mix of public-domain and
                    ;; expat-licenced (or ‘MIT’) code.
                    license:expat))))
+
+(define-public zstd
+  (package
+    (name "zstd")
+    (version "1.1.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/facebook/zstd/archive/v";
+                                  version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "02mgk7cbyksfx7mq95cykghb7dya797z0n2jxr5fx9j0x0m56v0h"))
+              (modules '((guix build utils)))
+              (snippet
+               ;; Remove non-free source files.
+               '(for-each delete-file-recursively
+                          (list
+                           ;; Commercial use of the following is not allowed.
+                           "examples"
+                           "LICENSE-examples")))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("autoconf" ,autoconf)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (delete 'configure))           ; no configure script
+       #:make-flags
+       (list "CC=gcc"
+             (string-append "PREFIX=" (assoc-ref %outputs "out")))
+       #:test-target "test"))
+    (home-page "http://zstd.net/";)
+    (synopsis "Zstandard real-time compression algorithm")
+    (description "Zstandard (@command{zstd}) is a lossless compression 
algorithm
+that combines very fast operation with a compression ratio comparable to that 
of
+zlib.  In most scenarios, both compression and decompression can be performed 
in
+‘real time’.  The compressor can be configured to provide the most suitable
+trade-off between compression ratio and speed, without affecting decompression
+speed.")
+    (license license:bsd-3)))
-- 
2.9.3