From 3105008fdac4bb97005c72e50002d7327e81e8dd Mon Sep 17 00:00:00 2001
From: Andreas Enge <andreas@enge.fr>
Date: Mon, 26 Jan 2026 22:44:05 +0100
Subject: gnu: sage: Build with meson instead of setuptools.

* gnu/packages/sagemath.scm (sage)[native-inputs]: Replace
python-setuptools by meson-python.  Add python-sphinx.
[arguments]<#:phases>{patch-source}: Patch out checks for maxima from ecl.
It is not found by meson, but will be found by sage due to our patching
of src/sage/env.py.
[setup]: Do not chdir into src, so that the higher level pyproject.toml
is used for the build with meson.

Change-Id: Id3f8fbc4e9097f31a5e56ee8a49d2d2772620cf5
---
 gnu/packages/sagemath.scm | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

(limited to 'gnu/packages')

diff --git a/gnu/packages/sagemath.scm b/gnu/packages/sagemath.scm
index 327434dd9df..b932b046cb1 100644
--- a/gnu/packages/sagemath.scm
+++ b/gnu/packages/sagemath.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2019, 2025 Andreas Enge <andreas@enge.fr>
+;;; Copyright © 2019, 2025, 2026 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2024, 2025 Vinicius Monego <monego@posteo.net>
 ;;; Copyright © 2025 Ricardo Wurmus <rekado@elephly.net>
 ;;;
@@ -35,6 +35,7 @@
   #:use-module (gnu packages base)
   #:use-module (gnu packages bdw-gc)
   #:use-module (gnu packages boost)
+  #:use-module (gnu packages build-tools)
   #:use-module (gnu packages check)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages fontutils)
@@ -51,7 +52,8 @@
   #:use-module (gnu packages python)
   #:use-module (gnu packages python-build)
   #:use-module (gnu packages python-science)
-  #:use-module (gnu packages python-xyz))
+  #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages sphinx))
 
 (define-public brial
   (package
@@ -377,12 +379,13 @@ database.")
     (build-system pyproject-build-system)
     (native-inputs
       (list autoconf automake m4 pkg-config ; for ./bootstrap
+            meson-python
             python-cython
             python-cysignals
             python-memory-allocator
             python-pkgconfig
             python-jinja2
-            python-setuptools
+            python-sphinx
             python-wheel))
     (propagated-inputs
       (list ;; required to make the sage script start
@@ -471,6 +474,10 @@ database.")
                     (sed #$(this-package-input "sed"))
                     (graphs #$(this-package-input "graphs"))
                     (polytopes-db #$(this-package-input "polytopes-db")))
+                ;; Patch out meson checks for things that will work since we
+                ;; patch env.py below.
+                (substitute* "src/sage/libs/meson.build"
+                  (("maxima_check.returncode\\(\\) == 0") "true"))
                 (substitute* (find-files "build/bin")
                   (("sage-bootstrap-python") "python"))
                 (substitute* "src/sage/env.py"
@@ -519,8 +526,7 @@ database.")
             (lambda _
               (setenv "SAGE_NUM_THREADS"
                       (number->string (parallel-job-count)))
-              (invoke "./bootstrap")
-              (chdir "src")))
+              (invoke "./bootstrap")))
           (delete 'sanity-check)))) ; does not reflect reality
     (home-page "https://www.sagemath.org/")
     (synopsis "SageMath computer algebra system")
-- 
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