From 14a2f48bf233ba86ca02a3d7e7b4c63e0eb7b754 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Tue, 6 Jul 2021 21:51:00 +0200
Subject: [PATCH] ocamlPackages.tcpip: fix tests with alcotest 1.4.0

---
 pkgs/development/ocaml-modules/tcpip/default.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/development/ocaml-modules/tcpip/default.nix b/pkgs/development/ocaml-modules/tcpip/default.nix
index 4d9f97480ef2..53656f00572a 100644
--- a/pkgs/development/ocaml-modules/tcpip/default.nix
+++ b/pkgs/development/ocaml-modules/tcpip/default.nix
@@ -26,6 +26,14 @@ buildDunePackage rec {
     ./makefile-no-opam.patch
   ];
 
+  # Make tests compatible with alcotest 1.4.0
+  postPatch = ''
+    for p in common.ml test_tcp_options.ml
+    do
+      substituteInPlace test/$p --replace 'Fmt.kstrf Alcotest.fail' 'Fmt.kstrf (fun s -> Alcotest.fail s)'
+    done
+  '';
+
   nativeBuildInputs = [
     bisect_ppx
     ppx_cstruct