From 8a9d8cf6d0072dbd57ccf99785645fd3f5b44aa7 Mon Sep 17 00:00:00 2001
From: Anton Tayanovskyy <anton.tayanovskyy@gmail.com>
Date: Fri, 17 Jul 2026 21:42:04 -0400
Subject: [PATCH] sage: scope the ntl threads disablement to darwin

---
 pkgs/by-name/sa/sage/package.nix | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/pkgs/by-name/sa/sage/package.nix b/pkgs/by-name/sa/sage/package.nix
index 44300857e8de..54d5323a1712 100644
--- a/pkgs/by-name/sa/sage/package.nix
+++ b/pkgs/by-name/sa/sage/package.nix
@@ -1,5 +1,6 @@
 {
   pkgs,
+  stdenv,
   withDoc ? false,
   requireSageTests ? true,
   extraPythonPackages ? ps: [ ],
@@ -12,11 +13,16 @@
 let
   inherit (pkgs) symlinkJoin callPackage mathjax;
 
-  ntl = pkgs.ntl.overrideAttrs (old: {
-    configureFlags = (old.configureFlags or [ ]) ++ [
-      "NTL_THREADS=off"
-    ];
-  });
+  ntl = (
+    if stdenv.hostPlatform.isDarwin then
+      (pkgs.ntl.overrideAttrs (old: {
+        configureFlags = (old.configureFlags or [ ]) ++ [
+          "NTL_THREADS=off"
+        ];
+      }))
+    else
+      pkgs.ntl
+  );
 
   python3 = pkgs.python3 // {
     pkgs = pkgs.python3.pkgs.overrideScope (