dune_2: 2.7.0 -> 2.7.1

https://github.com/ocaml/dune/releases/tag/2.7.1

pkgs/development/tools/ocaml/dune/2.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, ocaml, findlib }:
+{ stdenv, fetchurl, ocaml, findlib, fetchpatch }:
 
 if stdenv.lib.versionOlder ocaml.version "4.08"
 then throw "dune is not available for OCaml ${ocaml.version}"
@@ -6,17 +6,25 @@ else
 
 stdenv.mkDerivation rec {
   pname = "dune";
-  version = "2.7.0";
+  version = "2.7.1";
 
   src = fetchurl {
     url = "https://github.com/ocaml/dune/releases/download/${version}/dune-${version}.tbz";
-    sha256 = "058wiyncczbmlfxj3cnwn5n68wkmbaf4mgjm2bkp2hffpn2wl5xl";
+    sha256 = "0lnfmc06yhbdiv6mmp0aksnnvzz4aw4zabrdg89p5msyzir3qrvn";
   };
 
   buildInputs = [ ocaml findlib ];
 
   buildFlags = "release";
 
+  patches = [
+    # Fix setup.ml configure path. Remove with the next release.
+    (fetchpatch {
+      url = "https://github.com/ocaml/dune/commit/8a3d7f2f2015b71384caa07226d1a89dba9d6c25.patch";
+      sha256 = "0dw4q10030h9xcdlxw2vp7qm0hd2qpkb98rir5d55m9vn65w8j28";
+    })
+  ];
+
   dontAddPrefix = true;
 
   installFlags = [ "PREFIX=${placeholder "out"}" "LIBDIR=$(OCAMLFIND_DESTDIR)" ];