07/09: gnu: Add kiss-fft-for-extempore.

[Ricardo Wurmus]

rekado pushed a commit to branch master
in repository guix.

commit 2a9b10c7cdc7902a9f44ce65d36a712cacfd288a
Author: Ricardo Wurmus <address@hidden>
Date:   Wed Sep 14 11:25:57 2016 +0200

    gnu: Add kiss-fft-for-extempore.
    
    * gnu/packages/algebra.scm (kiss-fft-for-extempore): New variable.
---
 gnu/packages/algebra.scm |   24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index 4fb15c6..83f03a0 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -505,6 +505,30 @@ syntax is similar to that of C, so basic usage is 
familiar.  It also includes
 \"dc\", a reverse-polish calculator.")
     (license license:gpl2+)))
 
+;; The original kiss-fft does not have a complete build system and does not
+;; build any shared libraries.  This is a fork used by Extempore.
+(define-public kiss-fft-for-extempore
+  (package
+    (name "kiss-fft-for-extempore")
+    (version "1.3.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append 
"https://github.com/extemporelang/kiss_fft/archive/";
+                                  version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0hkp9l6l4c92fb1l2sh6a6zv1hynpvb2s4d03vd8vxyvybc0l4pv"))))
+    (build-system cmake-build-system)
+    (arguments `(#:tests? #f)) ; no tests included
+    (home-page "https://github.com/extemporelang/kiss_fft";)
+    (synopsis "Mixed-radix Fast Fourier Transform")
+    (description
+     "Kiss FFT attempts to be a reasonably efficient, moderately useful FFT
+that can use fixed or floating data types and can easily be incorporated into
+a C program.")
+    (license license:bsd-3)))
+
 (define-public fftw
   (package
     (name "fftw")