From 7b84610e2113d634c962020e4715a34518060918 Mon Sep 17 00:00:00 2001
From: Eric Bavier <bavier@member.fsf.org>
Date: Wed, 6 Feb 2019 16:12:38 -0600
Subject: gnu: hdf5: Upgrade to 1.8.21.

* gnu/packages/maths.scm (hdf5): Upgrade to 1.8.21.
[source]: Make version manipulations more readable using match.
---
 gnu/packages/maths.scm | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 402b53ca0e..074e878de4 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -749,7 +749,7 @@ (define-public hdf4-alt
 (define-public hdf5
   (package
     (name "hdf5")
-    (version "1.8.19")
+    (version "1.8.21")
     (source
      (origin
       (method url-fetch)
@@ -759,11 +759,12 @@ (define-public hdf5
                                 version ".tar.bz2")
                  (string-append "https://support.hdfgroup.org/ftp/HDF5/"
                                 "current"
-                                (apply string-append
-                                       (take (string-split version #\.) 2))
+                                (match (string-split version #\.)
+                                  ((major minor _ ...)
+                                   (string-append major minor)))
                                 "/src/hdf5-" version ".tar.bz2")))
       (sha256
-       (base32 "0f3jfbqpaaq21ighi40qzs52nb52kc2d2yjk541rjmsx20b3ih2r"))
+       (base32 "03glk4w4wyb1jyb443g53y3y1ncnf6mj2cqwm6avfr2awkgb3cg5"))
       (patches (search-patches "hdf5-config-date.patch"
                                "hdf5-1.8-mpi-deprecations.patch"))))
     (build-system gnu-build-system)
-- 
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