[PATCH] Add openlibm.

[Ricardo Wurmus]

>From 636e19fd0649cf18264dde64f76449f6b5d8e70c Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <address@hidden>
Date: Mon, 9 Mar 2015 11:07:13 +0100
Subject: [PATCH] gnu: Add openlibm.

* gnu/packages/maths.scm (openlibm): New variable.
---
 gnu/packages/maths.scm | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 231206c..fe2543d 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -991,6 +991,49 @@ based on transforming an expression into a bytecode and 
precalculating
 constant parts of it.")
     (license license:expat)))
 
+(define-public openlibm
+  (package
+    (name "openlibm")
+    (version "0.4.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/JuliaLang/openlibm/archive/v";
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0cwqqqlblj3kzp9aq1wnpfs1fl0qd1wp1xzm5shb09w06i4rh9nn"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:make-flags
+       (list (string-append "prefix=" (assoc-ref %outputs "out")))
+       #:phases
+       ;; no configure script
+       (alist-delete 'configure %standard-phases)
+       #:tests? #f)) ;the tests are part of the default target
+    (home-page "http://openlibm.org/";)
+    (synopsis "System-independent, portable libm implementation")
+    (description
+     "OpenLibm is an effort to have a high quality, portable, standalone C
+mathematical library (libm).  It can be used standalone in applications and
+programming language implementations.  The project was born out of a need to
+have a good libm for the Julia programming langage that worked consistently
+across compilers and operating systems, and in 32-bit and 64-bit
+environments.")
+    ;; From LICENSE.md:
+    ;;   "The OpenLibm code derives from the FreeBSD msun and OpenBSD libm
+    ;; implementations, which in turn derives from FDLIBM 5.3. As a result, it
+    ;; has a number of fixes and updates that have accumulated over the years
+    ;; in msun, and also optimized assembly versions of many functions. These
+    ;; improvements are provided under the BSD and ISC licenses. The msun
+    ;; library also includes work placed under the public domain, which is
+    ;; noted in the individual files. Further work on making a standalone
+    ;; OpenLibm library from msun, as part of the Julia project is covered
+    ;; under the MIT license. The test files, test-double.c and test-float.c
+    ;; are under the LGPL."
+    (license (list license:expat license:isc license:bsd-2 license:lgpl2.1+))))
+
 (define-public atlas
   (package
     (name "atlas")
-- 
2.1.0