branch master updated: gnu: volk: Update to 2.2.1.

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     new 01a2911  gnu: volk: Update to 2.2.1.
01a2911 is described below

commit 01a2911e3611efd078387a86bf60114316bc35b4
Author: Efraim Flashner <address@hidden>
AuthorDate: Tue Apr 14 10:24:25 2020 +0300

    gnu: volk: Update to 2.2.1.
    
    * gnu/packages/engineering.scm (volk): Update to 2.2.1.
    [source]: Download using https.
    [arguments]: Add phase to wrap binary in PYTHONPATH.
    [native-inputs]: Remove python-2, python2-cheetah. Add python-wrapper,
    python-mako.
    [home-page]: Use https.
---
 gnu/packages/engineering.scm | 32 ++++++++++++++++++++++++++------
 1 file changed, 26 insertions(+), 6 deletions(-)

diff --git a/gnu/packages/engineering.scm b/gnu/packages/engineering.scm
index 5405db7..ac50efb 100644
--- a/gnu/packages/engineering.scm
+++ b/gnu/packages/engineering.scm
@@ -1017,22 +1017,42 @@ the 'showing the effect of'-style of operation.")
 (define-public volk
   (package
     (name "volk")
-    (version "1.3")
+    (version "2.2.1")
     (source
      (origin
        (method url-fetch)
-       (uri (string-append "http://libvolk.org/releases/volk-";
+       (uri (string-append "https://www.libvolk.org/releases/volk-";
                            version ".tar.gz"))
        (sha256
         (base32
-         "1bz3ywc6y5wmz3i8p4z2wbzhns8bc0ywdkl9qnxpcvfcscarbdlh"))))
+         "1wz5nhmw6np8ka30pgy1qnima3rk2ksln4klfhrj7wah3fian0k9"))))
     (build-system cmake-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'wrap-pythonpath
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (python (assoc-ref inputs "python"))
+                    (file (string-append out "/bin/volk_modtool"))
+                    (path (string-append
+                           out
+                           "/lib/python"
+                           ,(version-major+minor
+                             (package-version python))
+                           "/site-packages:"
+                           (getenv "PYTHONPATH"))))
+               (wrap-program file
+                 `("PYTHONPATH" ":" prefix (,path))
+                 `("PATH" ":" prefix
+                   (,(string-append python "/bin:")))))
+             #t)))))
     (inputs
      `(("boost" ,boost)))
     (native-inputs
-     `(("python-2" ,python-2)
-       ("python2-cheetah" ,python2-cheetah)))
-    (home-page "http://libvolk.org/";)
+     `(("python" ,python-wrapper)
+       ("python-mako" ,python-mako)))
+    (home-page "https://www.libvolk.org/";)
     (synopsis "Vector-Optimized Library of Kernels")
     (description
      "@code{volk} contains procedures with machine-specific optimizations