From c265f50e2f884418c3695b0cac3da9e2f9daca1a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Wed, 23 Jun 2021 15:09:14 +0200
Subject: [PATCH] knot-dns: verbose output in case some test fails

aarch64-darwin started to fail one test-set after the last update,
and so far we have no idea why.  I don't have access to such a machine,
and this option will be nice anyway.
---
 pkgs/servers/dns/knot-dns/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/servers/dns/knot-dns/default.nix b/pkgs/servers/dns/knot-dns/default.nix
index 394c76dbdb23..d052ddb7b79f 100644
--- a/pkgs/servers/dns/knot-dns/default.nix
+++ b/pkgs/servers/dns/knot-dns/default.nix
@@ -50,6 +50,7 @@ stdenv.mkDerivation rec {
   CFLAGS = [ "-O2" "-DNDEBUG" ];
 
   doCheck = true;
+  checkFlags = "V=1"; # verbose output in case some test fails
   doInstallCheck = true;
 
   postInstall = ''