From 0121066f5f34701a4c404d04434083fb83f82942 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Wed, 12 Oct 2016 12:20:40 +0200
Subject: [PATCH] camlidl: fix build with OCaml 4.03

 by making warning 31 non fatal
---
 pkgs/development/tools/ocaml/camlidl/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/tools/ocaml/camlidl/default.nix b/pkgs/development/tools/ocaml/camlidl/default.nix
index feedd8835485..780862b6727f 100644
--- a/pkgs/development/tools/ocaml/camlidl/default.nix
+++ b/pkgs/development/tools/ocaml/camlidl/default.nix
@@ -20,6 +20,7 @@ stdenv.mkDerivation rec {
     substituteInPlace config/Makefile --replace BINDIR=/usr/local/bin BINDIR=$out
     substituteInPlace config/Makefile --replace OCAMLLIB=/usr/local/lib/ocaml OCAMLLIB=$out/lib/ocaml/${ocaml.version}/site-lib/camlidl
     substituteInPlace config/Makefile --replace CPP=/lib/cpp CPP=${stdenv.cc}/bin/cpp
+    substituteInPlace config/Makefile --replace "OCAMLC=ocamlc -g" "OCAMLC=ocamlc -g -warn-error -31"
     mkdir -p $out/lib/ocaml/${ocaml.version}/site-lib/camlidl/caml
   '';