From e46241b93341277cd382b92560fe50255c7ed54f Mon Sep 17 00:00:00 2001
From: Rafael Ieda <git@ieda.me>
Date: Tue, 21 Oct 2025 19:27:59 -0300
Subject: [PATCH] libsnark: fix build with cmake4

---
 pkgs/by-name/li/libsnark/package.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/by-name/li/libsnark/package.nix b/pkgs/by-name/li/libsnark/package.nix
index 52871ae2f69b..319efa5e155b 100644
--- a/pkgs/by-name/li/libsnark/package.nix
+++ b/pkgs/by-name/li/libsnark/package.nix
@@ -41,6 +41,13 @@ stdenv.mkDerivation {
     fetchSubmodules = true;
   };
 
+  postPatch = ''
+    substituteInPlace {,depends/{libff,libfqfft}/}CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 2.8)" "cmake_minimum_required(VERSION 3.10)"
+    substituteInPlace depends/gtest/{,googlemock/,googletest/}CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 2.6.4)" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   meta = {
     broken = withProcps; # Despite procps having a valid pkg-config file, CMake doesn't seem to be able to find it.
     description = "C++ library for zkSNARKs";