From 12509c3e736ffcb672ef39cbf0145f6b1bd16efe Mon Sep 17 00:00:00 2001
From: Andrew Zah <zah@andrewzah.com>
Date: Tue, 21 Oct 2025 11:04:51 +0900
Subject: [PATCH] libcxxrt: fix build issue with cmake 4

---
 pkgs/development/libraries/libcxxrt/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/libraries/libcxxrt/default.nix b/pkgs/development/libraries/libcxxrt/default.nix
index e79779980e1d..d048102849ba 100644
--- a/pkgs/development/libraries/libcxxrt/default.nix
+++ b/pkgs/development/libraries/libcxxrt/default.nix
@@ -17,6 +17,11 @@ stdenv.mkDerivation {
     sha256 = "+oTjU/DgOEIwJebSVkSEt22mJSdeONozB8FfzEiESHU=";
   };
 
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 3.0)" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   nativeBuildInputs = [ cmake ];
 
   outputs = [