From 6ec6fb0a7c64ad98dd2d21caf5246138c691ce0d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Wed, 11 Feb 2026 20:35:44 +0100
Subject: [PATCH] ocaml: fixup build on darwin

https://hydra.nixos.org/build/321382407/nixlog/1/tail
I presume that this is about gcc vs. clang toolchain,
but I haven't tested.
---
 pkgs/development/compilers/ocaml/generic.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/compilers/ocaml/generic.nix b/pkgs/development/compilers/ocaml/generic.nix
index b2a1896622c1..cfca2e9393a5 100644
--- a/pkgs/development/compilers/ocaml/generic.nix
+++ b/pkgs/development/compilers/ocaml/generic.nix
@@ -92,6 +92,11 @@ stdenv.mkDerivation (
 
     patches = map fetchpatch' patches;
 
+    # https://github.com/ocaml/ocaml/issues/14543
+    postPatch = if stdenv.cc.isClang then ''
+      rm testsuite/tests/basic/trigraph.ml
+    '' else null;
+
     strictDeps = true;
 
     prefixKey = "-prefix ";