From 2676cf9525c38ac8c6cb85a7d95f2e57e2760c3d Mon Sep 17 00:00:00 2001
From: Robin Gloster <mail@glob.in>
Date: Sat, 13 Aug 2016 11:19:15 +0000
Subject: [PATCH] linuxPackages.lttng-modules: fix build

---
 pkgs/os-specific/linux/lttng-modules/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/os-specific/linux/lttng-modules/default.nix b/pkgs/os-specific/linux/lttng-modules/default.nix
index b3a67e70a1df..eeef64c70833 100644
--- a/pkgs/os-specific/linux/lttng-modules/default.nix
+++ b/pkgs/os-specific/linux/lttng-modules/default.nix
@@ -12,6 +12,8 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "pic" ];
 
+  NIX_CFLAGS_COMPILE = "-Wno-error=implicit-function-declaration";
+
   preConfigure = ''
     export KERNELDIR="${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
     export INSTALL_MOD_PATH="$out"