Subject: [PATCH] gnu: stockfish: Update to 15.

From: Greg Hogan <[email-masked]>
Date: Sun, 24 Apr 2022 07:29:29 -0400

Would be nice to have Stockfish use function multi-versioning. Anyone know
if this is an issue of compiler and OS portability?

$ ./pre-inst-env guix refresh -l stockfish
No dependents other than itself: stockfish@15

>From 3d03ef9bfa164e6cd961400a3518d6d5e5ea70dd Mon Sep 17 00:00:00 2001
From: Greg Hogan <[email-masked]>
Date: Sun, 24 Apr 2022 11:12:48 +0000
Subject: [PATCH] gnu: stockfish: Update to 15.

* gnu/packages/games.scm (stockfish): Update to 15.
---
 gnu/packages/games.scm | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index ff2b3199e0..7aad3c00d0 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -59,7 +59,7 @@
 ;;; Copyright © 2020 Tomás Ortín Fernández <[email-masked]>
 ;;; Copyright © 2021 Olivier Rojon <[email-masked]>
 ;;; Copyright © 2021 Stefan Reichör <[email-masked]>
-;;; Copyright © 2021 Greg Hogan <[email-masked]>
+;;; Copyright © 2021, 2022 Greg Hogan <[email-masked]>
 ;;; Copyright © 2021 David Pflug <[email-masked]>
 ;;; Copyright © 2021, 2022 Felix Gruber <[email-masked]>
 ;;; Copyright © 2021 Solene Rapenne <[email-masked]>
@@ -11957,10 +11957,10 @@ (define-public chessx
     (license license:gpl2+)))

 (define-public stockfish
-  (let ((neural-network-revision "13406b1dcbe0")) ; also update hash below
+  (let ((neural-network-revision "6877cd24400e")) ; also update hash below
     (package
       (name "stockfish")
-      (version "14.1")
+      (version "15")
       (source
        (origin
          (method git-fetch)
@@ -11969,7 +11969,7 @@ (define-public stockfish
                (commit (string-append "sf_" version))))
          (file-name (git-file-name name version))
          (sha256
-          (base32
"0apqqcgpcflm3c6mcl13ln2y04f6zksnljmk4ys7naf7xk4vdgkd"))))
+          (base32
"1v19v6qhwbf31wpc3qcih4dvqxwqkh0p426skgjin6ags31hkbmh"))))
       (build-system gnu-build-system)
       (inputs
        `(("neural-network"
@@ -11979,7 +11979,7 @@ (define-public stockfish
                                  neural-network-revision ".nnue"))
              (sha256
               (base32
-               "0vr3hcmlqqm74pn7hc54gmfs9drqvgc53nh7bvy6v8z0rcfnnh0k"))))))
+               "1qyna598c0v7gdpycc6kpl12h5a2wa50dqray6gv208f80jcsxv8"))))))
       (arguments
        `(#:tests? #f
          #:make-flags (list "-C" "src"
-- 
2.35.1