From a3dc5bec8217e0e4b6463c0479840618591b58ec Mon Sep 17 00:00:00 2001
From: chordtoll <git@chordtoll.com>
Date: Fri, 16 Jan 2026 14:48:36 -0800
Subject: [PATCH] ocamlPackages.pyml: patch to remove unused header

---
 pkgs/development/ocaml-modules/pyml/default.nix       |  4 ++++
 .../ocaml-modules/pyml/remove-stdcompat.patch         | 11 +++++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/pyml/remove-stdcompat.patch

diff --git a/pkgs/development/ocaml-modules/pyml/default.nix b/pkgs/development/ocaml-modules/pyml/default.nix
index 8f5553ffa59e..9c74b4f9b47a 100644
--- a/pkgs/development/ocaml-modules/pyml/default.nix
+++ b/pkgs/development/ocaml-modules/pyml/default.nix
@@ -18,6 +18,10 @@ buildDunePackage rec {
     hash = "sha256-WPtmj9EEs7P72OXWJg1syIrbLuh7u4V4W4nyozXmSa0=";
   };
 
+  patches = [
+    ./remove-stdcompat.patch
+  ];
+
   buildInputs = [
     utop
   ];
diff --git a/pkgs/development/ocaml-modules/pyml/remove-stdcompat.patch b/pkgs/development/ocaml-modules/pyml/remove-stdcompat.patch
new file mode 100644
index 000000000000..5d8bdb739f59
--- /dev/null
+++ b/pkgs/development/ocaml-modules/pyml/remove-stdcompat.patch
@@ -0,0 +1,11 @@
+diff --git a/pyml_stubs.c b/pyml_stubs.c
+index 40e3481..e7826f1 100644
+--- a/pyml_stubs.c
++++ b/pyml_stubs.c
+@@ -11,7 +11,6 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <errno.h>
+-#include <stdcompat.h>
+ #include <assert.h>
+ #include "pyml_stubs.h"