From a4b0e3042b33c07f0fb8f6eaf4e69c0cf8520e46 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Tue, 28 Sep 2021 21:53:23 +0200
Subject: [PATCH] ocamlPackages.twt: fix build

---
 pkgs/development/ocaml-modules/twt/default.nix | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/ocaml-modules/twt/default.nix b/pkgs/development/ocaml-modules/twt/default.nix
index 77635e8848e0..f9af4ab8ca05 100644
--- a/pkgs/development/ocaml-modules/twt/default.nix
+++ b/pkgs/development/ocaml-modules/twt/default.nix
@@ -10,10 +10,9 @@ stdenv.mkDerivation {
 
   buildInputs = [ ocaml findlib ];
 
-  createFindlibDestdir = true;
-
-  configurePhase = ''
-    mkdir $out/bin
+  preInstall = ''
+    mkdir -p $out/bin
+    mkdir -p $OCAMLFIND_DESTDIR
   '';
 
   dontBuild = true;