From 1a414131cc2858803c53af897b4c2450baa1316a Mon Sep 17 00:00:00 2001
From: David Elsing <david.elsing@posteo.net>
Date: Mon, 20 Oct 2025 15:13:40 +0200
Subject: [PATCH] gnu: muparser: Update to 2.3.5.

* gnu/packages/maths.scm (muparser): Update to 2.3.5.
[build-system]: Switch to cmake-build-system.
[arguments]: Remove.
[home-page]: Update.
---
 gnu/packages/maths.scm | 46 +++++++++++++++++-------------------------
 1 file changed, 18 insertions(+), 28 deletions(-)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index ae9e2a255301c9c995b2f9deeed8d6c96d5a470e..e90029f4da22f85c5d66564d49e33d036e76d93b 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -6014,36 +6014,26 @@ associated functions (e.g., contiguous and non-contiguous submatrix views).")
     (license license:asl2.0)))
 
 (define-public muparser
-  ;; When switching download sites, muparser re-issued a 2.2.5 release with a
-  ;; different hash. In order to make `guix package --upgrade` work correctly,
-  ;; we set a Guix packaging revision.
-  ;; When the next version of muparser is released, we can remove
-  ;; UPSTREAM-VERSION and REVISION and use the plain VERSION.
-  (let ((upstream-version "2.2.5")
-        (revision "2"))
-    (package
-      (name "muparser")
-      (version (string-append upstream-version "-" revision))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/beltoforion/muparser")
-               (commit (string-append "v" upstream-version))))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32 "0f0g4995xngf1pp3zr4p6ai2f8v6f8bxwa0k8ayjjiv1l8h44m24"))))
-      (build-system gnu-build-system)
-      (arguments
-       `(#:configure-flags '("--enable-samples=no")
-         #:tests? #f)) ;no "check" target
-      (home-page "http://muparser.beltoforion.de/")
-      (synopsis "Fast parser library for mathematical expressions")
-      (description
-       "muParser is an extensible high performance math parser library.  It is
+  (package
+    (name "muparser")
+    (version "2.3.5")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+              (url "https://github.com/beltoforion/muparser")
+              (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "0zazg6awbfimjlf7352frps47ykpn7z0kz5q686xni7nka0g2k88"))))
+    (build-system cmake-build-system)
+    (home-page "https://beltoforion.de/en/muparser")
+    (synopsis "Fast parser library for mathematical expressions")
+    (description
+     "muParser is an extensible high performance math parser library.  It is
 based on transforming an expression into a bytecode and precalculating constant
 parts of it.")
-      (license license:expat))))
+    (license license:expat)))
 
 (define-public openblas
   (package