From 2991fa182df8cf95f03a7265e6e086aa385152bd Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 16 Mar 2026 07:02:33 +0100
Subject: [PATCH] ocamlPackages.landmarks-ppx: unbreak

---
 pkgs/development/ocaml-modules/landmarks-ppx/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/ocaml-modules/landmarks-ppx/default.nix b/pkgs/development/ocaml-modules/landmarks-ppx/default.nix
index 4d70169e2c4f..dedaee7e9c5c 100644
--- a/pkgs/development/ocaml-modules/landmarks-ppx/default.nix
+++ b/pkgs/development/ocaml-modules/landmarks-ppx/default.nix
@@ -1,6 +1,7 @@
 {
   lib,
   buildDunePackage,
+  fetchpatch,
   ocaml,
   landmarks,
   ppxlib,
@@ -11,6 +12,11 @@ buildDunePackage {
 
   inherit (landmarks) src version;
 
+  patches = lib.optional (lib.versionAtLeast ppxlib.version "0.36") (fetchpatch {
+    url = "https://github.com/LexiFi/landmarks/commit/367c229e3275a83f81343ba116374bb68abc9d83.patch";
+    hash = "sha256-Qxue+++sNV6EHJGX1mbIeY2E2D5NuFpmIIBkTyvGvo8=";
+  });
+
   buildInputs = [ ppxlib ];
   propagatedBuildInputs = [ landmarks ];
 
@@ -22,6 +28,5 @@ buildDunePackage {
       Automatically or semi-automatically instrument your code using
       landmarks library.
     '';
-    broken = lib.versionAtLeast ppxlib.version "0.36";
   };
 }