From 3f4d1a1ea8b5551211f7d4b1cded113693d31763 Mon Sep 17 00:00:00 2001
From: Franz Pletz <fpletz@fnordicwalking.de>
Date: Sat, 2 Nov 2019 23:41:50 +0100
Subject: [PATCH] dhcp: fix build with gcc9

---
 pkgs/tools/networking/dhcp/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/tools/networking/dhcp/default.nix b/pkgs/tools/networking/dhcp/default.nix
index bcf0743b7b9..f6c204d26b7 100644
--- a/pkgs/tools/networking/dhcp/default.nix
+++ b/pkgs/tools/networking/dhcp/default.nix
@@ -42,6 +42,8 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = [
     "-Wno-error=pointer-compare"
     "-Wno-error=format-truncation"
+    "-Wno-error=stringop-truncation"
+    "-Wno-error=format-overflow"
   ];
 
   installFlags = [ "DESTDIR=\${out}" ];