From 8ac0e688091d7ce4e75c058918b4137b3fac2427 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Thu, 15 Jun 2017 15:15:24 +0100
Subject: [PATCH] ocamlPackages.utop: allow utop to locate topfile

fixes #16085
---
 pkgs/development/tools/ocaml/utop/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/tools/ocaml/utop/default.nix b/pkgs/development/tools/ocaml/utop/default.nix
index c50e6a108bd..9e394751761 100644
--- a/pkgs/development/tools/ocaml/utop/default.nix
+++ b/pkgs/development/tools/ocaml/utop/default.nix
@@ -61,8 +61,8 @@ stdenv.mkDerivation rec {
       --argv0 "" \
       --prefix CAML_LD_LIBRARY_PATH ":" "${get "CAML_LD_LIBRARY_PATH"}" \
       --prefix OCAMLPATH ":" "${get "OCAMLPATH"}" \
-      --prefix OCAMLPATH ":" $(unset OCAMLPATH; addOCamlPath "$out"; printf %s "$OCAMLPATH")
-
+      --prefix OCAMLPATH ":" $(unset OCAMLPATH; addOCamlPath "$out"; printf %s "$OCAMLPATH") \
+      --add-flags "-I ${findlib}/lib/ocaml/${stdenv.lib.getVersion ocaml}/site-lib"
    done
    '';