From 9af686703d6513a5b0ab01f52516d149f686267d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Mon, 4 Jan 2021 19:12:33 +0100
Subject: [PATCH] powerdns: patch build with gcc 10

---
 pkgs/servers/dns/powerdns/default.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/servers/dns/powerdns/default.nix b/pkgs/servers/dns/powerdns/default.nix
index 0f9f91ebf86..5dbc387868c 100644
--- a/pkgs/servers/dns/powerdns/default.nix
+++ b/pkgs/servers/dns/powerdns/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, nixosTests
+{ stdenv, fetchurl, fetchpatch, pkgconfig, nixosTests
 , boost, libyamlcpp, libsodium, sqlite, protobuf, openssl, systemd
 , mysql57, postgresql, lua, openldap, geoip, curl, unixODBC
 }:
@@ -12,6 +12,14 @@ stdenv.mkDerivation rec {
     sha256 = "0if27znz528sir52y9i4gcfhdsym7yxiwjgffy9lpscf1426q56m";
   };
 
+  patches = [
+    (fetchpatch { # remove for >= 4.4.0
+      name = "gcc-10_undefined-reference.diff";
+      url = "https://github.com/PowerDNS/pdns/commit/05c9dd77b28.diff";
+      sha256 = "1m9szbi02h9kcabgw3kb8k9qrb54d34z0qzizrlfiw3hxs6c2zql";
+    })
+  ];
+
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [
     boost mysql57.connector-c postgresql lua openldap sqlite protobuf geoip