From c184d2e3343c2d2adafa9eaa36179f53a558e264 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sat, 4 Mar 2017 11:50:38 +0100
Subject: [PATCH] ocamlPackages.core_extended_p4: fix build on linux

---
 pkgs/development/ocaml-modules/core_extended/default.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/development/ocaml-modules/core_extended/default.nix b/pkgs/development/ocaml-modules/core_extended/default.nix
index fef4fd81158f..fe4fc5d87ab7 100644
--- a/pkgs/development/ocaml-modules/core_extended/default.nix
+++ b/pkgs/development/ocaml-modules/core_extended/default.nix
@@ -12,6 +12,13 @@ buildOcaml rec {
     sha256 = "f87b0661b6c2cfb545ec61d1cb2ab1b9c4967b6ac14e651de41d3a6fb7f0f1e3";
   };
 
+  preConfigure = stdenv.lib.optionalString stdenv.isLinux ''
+    patch lib/extended_unix_stubs.c <<EOF
+    0a1
+    > #define _LINUX_QUOTA_VERSION 2
+    EOF
+  '';
+
   hasSharedObjects = true;
   buildInputs = [ pa_bench pa_test pa_ounit ];
   propagatedBuildInputs = [bin_prot_p4 comparelib core_p4 custom_printf fieldslib_p4