From 8f840f9f0d2e012d3eeb604be27b95b9f0fba1d5 Mon Sep 17 00:00:00 2001
From: Rafael Ieda <git@ieda.me>
Date: Sat, 25 Oct 2025 08:42:00 -0300
Subject: [PATCH] volk_2: fix build with cmake4

---
 pkgs/by-name/vo/volk_2/package.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/by-name/vo/volk_2/package.nix b/pkgs/by-name/vo/volk_2/package.nix
index 4ce83db262f2..bc8f9c803f63 100644
--- a/pkgs/by-name/vo/volk_2/package.nix
+++ b/pkgs/by-name/vo/volk_2/package.nix
@@ -58,6 +58,11 @@ stdenv.mkDerivation (finalAttrs: {
 
   doCheck = true;
 
+  postPatch = ''
+    substituteInPlace cpu_features/CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 3.0)" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   meta = {
     homepage = "http://libvolk.org/";
     description = "Vector Optimized Library of Kernels (version 2.5.0 - for GR 3.8)";