From ee94892bd8d6c32cbce6d366cef1bfdd4b573999 Mon Sep 17 00:00:00 2001
From: Rafael Ieda <git@ieda.me>
Date: Sat, 25 Oct 2025 17:34:12 -0300
Subject: [PATCH] postgresql13Packages.lantern: fix build with cmake4

---
 pkgs/servers/sql/postgresql/ext/lantern.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/servers/sql/postgresql/ext/lantern.nix b/pkgs/servers/sql/postgresql/ext/lantern.nix
index 449be22a31ec..f4cb17b0d4c7 100644
--- a/pkgs/servers/sql/postgresql/ext/lantern.nix
+++ b/pkgs/servers/sql/postgresql/ext/lantern.nix
@@ -21,6 +21,9 @@ postgresqlBuildExtension (finalAttrs: {
   };
 
   postPatch = ''
+    substituteInPlace lantern_hnsw/CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 3.3)" "cmake_minimum_required(VERSION 3.10)"
+
     patchShebangs --build lantern_hnsw/scripts/link_llvm_objects.sh
   '';