From d15f63bfadad8d0e8d65e734ea4cc180081fe8be Mon Sep 17 00:00:00 2001
From: Franz Pletz <fpletz@fnordicwalking.de>
Date: Sun, 3 Nov 2019 13:48:58 +0100
Subject: [PATCH] osrm-backend: fix build with gcc9

---
 pkgs/servers/osrm-backend/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/servers/osrm-backend/default.nix b/pkgs/servers/osrm-backend/default.nix
index c0018529ea8..b744c58d4fb 100644
--- a/pkgs/servers/osrm-backend/default.nix
+++ b/pkgs/servers/osrm-backend/default.nix
@@ -11,6 +11,8 @@ stdenv.mkDerivation rec {
     sha256 = "1m4hf26mgfvvx9z37qww8v8w4mhzyfl554ymdnzl99pr5ild093s";
   };
 
+  NIX_CFLAGS_COMPILE = [ "-Wno-error=pessimizing-move" "-Wno-error=redundant-move" ];
+
   nativeBuildInputs = [ cmake pkgconfig ];
   buildInputs = [ bzip2 libxml2 libzip boost lua luabind tbb expat ];