From cec9a7e93a5ab1b662bf38222e6b017ed25ffadd Mon Sep 17 00:00:00 2001
From: Franz Pletz <fpletz@fnordicwalking.de>
Date: Sun, 3 Nov 2019 01:05:04 +0100
Subject: [PATCH] vboot_reference: fix build with gcc9

---
 pkgs/tools/system/vboot_reference/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/tools/system/vboot_reference/default.nix b/pkgs/tools/system/vboot_reference/default.nix
index 0bf8a7e85dc..ab78551e4fc 100644
--- a/pkgs/tools/system/vboot_reference/default.nix
+++ b/pkgs/tools/system/vboot_reference/default.nix
@@ -19,6 +19,9 @@ stdenv.mkDerivation rec {
 
   patches = [ ./dont_static_link.patch ];
 
+  # fix build with gcc9
+  NIX_CFLAGS_COMPILE = [ "-Wno-error" ];
+
   postPatch = ''
     substituteInPlace Makefile \
       --replace "ar qc" '${stdenv.cc.bintools.targetPrefix}ar qc'