From 57777e6d56235fe64620ac1605fc3a2009842ffa Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sat, 28 May 2022 14:10:41 +0200
Subject: [PATCH 1/3] ocamlPackages.parmap: disable tests

---
 pkgs/development/ocaml-modules/parmap/default.nix | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pkgs/development/ocaml-modules/parmap/default.nix b/pkgs/development/ocaml-modules/parmap/default.nix
index 521c1c406714..18e1975b698d 100644
--- a/pkgs/development/ocaml-modules/parmap/default.nix
+++ b/pkgs/development/ocaml-modules/parmap/default.nix
@@ -10,13 +10,12 @@ buildDunePackage rec {
   };
 
   minimalOCamlVersion = "4.03";
-  useDune2 = true;
 
   buildInputs = [
     dune-configurator
   ];
 
-  doCheck = true;
+  doCheck = false; # prevent running slow benchmarks
 
   meta = with lib; {
     description = "Library for multicore parallel programming";

From 7d634c9f977e324ec228dc74da58df6464a9a20a Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sat, 18 Jun 2022 14:39:37 +0200
Subject: [PATCH 2/3] ocamlPackages.fmt: do not propagate `cmdliner`

---
 pkgs/development/ocaml-modules/fmt/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/ocaml-modules/fmt/default.nix b/pkgs/development/ocaml-modules/fmt/default.nix
index 4816cab57cfd..bd5629816528 100644
--- a/pkgs/development/ocaml-modules/fmt/default.nix
+++ b/pkgs/development/ocaml-modules/fmt/default.nix
@@ -14,8 +14,8 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ ocaml findlib ocamlbuild topkg ];
-  buildInputs = [ topkg ];
-  propagatedBuildInputs = [ cmdliner seq stdlib-shims ];
+  buildInputs = [ cmdliner topkg ];
+  propagatedBuildInputs = [ seq stdlib-shims ];
 
   strictDeps = true;
 

From 8681aa0d6528b65dee31c6b8d42c97aaaee984de Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 20 Jun 2022 09:24:59 +0200
Subject: [PATCH 3/3] ocamlPackages.ocaml-r: mark as broken

---
 pkgs/development/ocaml-modules/ocaml-r/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/ocaml-modules/ocaml-r/default.nix b/pkgs/development/ocaml-modules/ocaml-r/default.nix
index fcee63de3b5d..ed22177bfaac 100644
--- a/pkgs/development/ocaml-modules/ocaml-r/default.nix
+++ b/pkgs/development/ocaml-modules/ocaml-r/default.nix
@@ -37,6 +37,8 @@ buildDunePackage rec {
   checkInputs = [ alcotest ];
 
   meta = {
+    # This has been broken by the update to R 4.2.0 (#171597)
+    broken = true;
     description = "OCaml bindings for the R interpreter";
     inherit (src.meta) homepage;
     license = lib.licenses.gpl3;