From f8d610c1d94f375e6c1bcd4974455d62f8285976 Mon Sep 17 00:00:00 2001
From: Franz Pletz <fpletz@fnordicwalking.de>
Date: Sun, 3 Nov 2019 12:58:01 +0100
Subject: [PATCH] cjdns: fix build with gcc9

---
 pkgs/tools/networking/cjdns/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/tools/networking/cjdns/default.nix b/pkgs/tools/networking/cjdns/default.nix
index f9dc3de7735..df94de882be 100644
--- a/pkgs/tools/networking/cjdns/default.nix
+++ b/pkgs/tools/networking/cjdns/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
     # for flock
     stdenv.lib.optional stdenv.isLinux utillinux;
 
-  CFLAGS = "-O2";
+  CFLAGS = "-O2 -Wno-error=stringop-truncation";
   buildPhase =
     stdenv.lib.optionalString stdenv.isAarch32 "Seccomp_NO=1 "
     + "bash do";