From 5b4d1e57b6d4931f6ee2a50abf84222fe015d045 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Mon, 29 Nov 2021 00:00:38 +0100
Subject: [PATCH] gnu: slepc: Update to 3.16.1.

* gnu/packages/maths.scm (slepc): Update to 3.16.1.
[native-inputs]: Use PYTHON instead of PYTHON-2.  Add WHICH.
[properties]: New field.
---
 gnu/packages/maths.scm | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 5d8d8cfca0..38fea4c43b 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -3112,7 +3112,7 @@ savings are consistently > 5x.")
 (define-public slepc
   (package
     (name "slepc")
-    (version "3.11.1")
+    (version "3.16.1")
     (source
      (origin
        (method url-fetch)
@@ -3120,10 +3120,11 @@ savings are consistently > 5x.")
                            version ".tar.gz"))
        (sha256
         (base32
-         "1yq84q9wannc8xwapxpay4ypdd675picwi395hhsdvng9q6hf5j8"))))
+         "1ysfm77s5fcissv3q0k5d65mlp93zi4anqg62q3cd25dn66sva5i"))))
     (build-system gnu-build-system)
     (native-inputs
-     `(("python" ,python-2)
+     `(("python" ,python)
+       ("which" ,which)
        ("petsc:examples" ,petsc "examples"))) ;for gmakegen.py script
     (inputs
      `(("arpack" ,arpack-ng)
@@ -3184,7 +3185,9 @@ as well as other related problems such as the singular value decomposition.
 The emphasis of the software is on methods and techniques appropriate for
 problems in which the associated matrices are sparse, for example, those
 arising after the discretization of partial differential equations.")
-    (license license:bsd-2)))
+    (license license:bsd-2)
+    (properties
+     `((release-monitoring-url . "http://slepc.upv.es/download/")))))
 
 (define-public slepc-complex
   (package (inherit slepc)