From b3876e522ebdc7c65789752cbc98b13e9d55ec28 Mon Sep 17 00:00:00 2001
From: Cedric Cellier <rixed@happyleptic.org>
Date: Wed, 27 Mar 2019 13:34:43 +0100
Subject: [PATCH] ocaml-syslog: fix missing cmxa file

Makefile does not produce native library by default.
---
 pkgs/development/ocaml-modules/syslog/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/ocaml-modules/syslog/default.nix b/pkgs/development/ocaml-modules/syslog/default.nix
index e8eabcf43b30..117277fe1b6e 100644
--- a/pkgs/development/ocaml-modules/syslog/default.nix
+++ b/pkgs/development/ocaml-modules/syslog/default.nix
@@ -15,6 +15,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ ocaml findlib ];
 
+  buildFlags = [ "all" "opt" ];
+
   createFindlibDestdir = true;
 
   meta = with stdenv.lib; {