From 3db033dd7ee230a5d440ad6fa0fafbc55f212bbd Mon Sep 17 00:00:00 2001
From: Sergei Zimmerman <sergei@zimmerman.foo>
Date: Mon, 19 Jan 2026 02:03:31 +0300
Subject: [PATCH] nixVersions.nix_2_33: fetch patch to fix build with glibc
 2.42

Fixes a missing include on newer glibc 2.42 that is currently in
staging-next. See https://github.com/NixOS/nix/pull/15011.
---
 pkgs/tools/package-management/nix/default.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index 38b3180cbd4c..0228748f724e 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -216,7 +216,16 @@ lib.makeExtensible (
             hash = "sha256-TVKn52SoKq8mMyW/x3NPPskGVurFdnGGV0DGvnL0gak=";
           };
         }).appendPatches
-          patches_common;
+          (
+            patches_common
+            ++ [
+              (fetchpatch2 {
+                name = "nix-2.33-15012-missing-include-glibc-2.42.patch";
+                url = "https://github.com/NixOS/nix/commit/c0c13d73233c740b7d278c71b161da7b16217564.patch?full_index=1";
+                hash = "sha256-iRMg36UMs5WmUfNxz4zoZq6mM3dwo2NiR8s1cM/uooU=";
+              })
+            ]
+          );
 
       nix_2_33 = addTests "nix_2_33" self.nixComponents_2_33.nix-everything;