From ae67150a8d7e0903894fa4b0c5a8050e13cd7b21 Mon Sep 17 00:00:00 2001
From: Karolis Stasaitis <contact@carlossless.io>
Date: Tue, 21 Oct 2025 12:49:26 +0200
Subject: [PATCH] ffts: fix build with cmake 4

---
 pkgs/by-name/ff/ffts/cmake4.patch | 10 ++++++++++
 pkgs/by-name/ff/ffts/package.nix  |  4 ++++
 2 files changed, 14 insertions(+)
 create mode 100644 pkgs/by-name/ff/ffts/cmake4.patch

diff --git a/pkgs/by-name/ff/ffts/cmake4.patch b/pkgs/by-name/ff/ffts/cmake4.patch
new file mode 100644
index 000000000000..9c4f91685aef
--- /dev/null
+++ b/pkgs/by-name/ff/ffts/cmake4.patch
@@ -0,0 +1,10 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 748f412..d8821ee 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,4 +1,4 @@
+-cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
++cmake_minimum_required(VERSION 3.10)
+ 
+ project(ffts C ASM)
+ 
diff --git a/pkgs/by-name/ff/ffts/package.nix b/pkgs/by-name/ff/ffts/package.nix
index 25b371610fe5..5e92443d3730 100644
--- a/pkgs/by-name/ff/ffts/package.nix
+++ b/pkgs/by-name/ff/ffts/package.nix
@@ -20,6 +20,10 @@ stdenv.mkDerivation {
 
   cmakeFlags = [ "-DENABLE_SHARED=ON" ];
 
+  patches = [
+    ./cmake4.patch
+  ];
+
   meta = {
     description = "Fastest Fourier Transform in the South";
     homepage = "https://github.com/linkotec/ffts";