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[PATCH 2/3] gnu: Add murmur-hash.
From: |
Ben Woodcroft |
Subject: |
[PATCH 2/3] gnu: Add murmur-hash. |
Date: |
Fri, 17 Jun 2016 11:23:20 +1000 |
* gnu/packages/textutils.scm (murmur-hash): New variable.
---
gnu/packages/textutils.scm | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/gnu/packages/textutils.scm b/gnu/packages/textutils.scm
index ebcf4b9..ce83c4d 100644
--- a/gnu/packages/textutils.scm
+++ b/gnu/packages/textutils.scm
@@ -373,3 +373,42 @@ runs Word\".")
(description "UTF8-CPP is a C++ library for handling UTF-8 encoded text
in a portable way.")
(license license:boost1.0)))
+
+(define-public murmur-hash
+ ;; There are no releases so package directly from a git commit.
+ (let ((commit "61a0530f28277f2e850bfc39600ce61d02b518de"))
+ (package
+ (name "murmur-hash")
+ (version (string-append "0-1." (string-take commit 7)))
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/aappleby/smhasher.git")
+ (commit commit)))
+ (file-name (string-append name "-" version ".tar.gz"))
+ (sha256
+ (base32
+ "1hasigzz5dyx8dzf1arzwahhph2p4vnsq32wlyh99nga2z4hd8si"))))
+ (build-system gnu-build-system)
+ (arguments
+ `(#:phases
+ (modify-phases %standard-phases
+ (delete 'configure)
+ (delete 'build)
+ (delete 'check)
+ (replace 'install
+ (lambda* (#:key outputs #:allow-other-keys)
+ (with-directory-excursion "src"
+ (let ((out (string-append
+ (assoc-ref outputs "out")
+ "/include")))
+ (install-file "MurmurHash3.cpp" out)
+ (install-file "MurmurHash3.h" out)))
+ #t)))))
+ (home-page "https://github.com/aappleby/smhasher")
+ (synopsis "Non-cryptographic hash function for lookup")
+ (description
+ "MurmurHash is a non-cryptographic hash function suitable for general
+hash-based lookup. The name comes from two basic operations, multiply (MU)
+and rotate (R), used in its inner loop.")
+ (license license:public-domain))))
--
2.7.4