From dbf97a5afec913bf27c69650c5bb2cd5ccef5947 Mon Sep 17 00:00:00 2001
From: Matt McHenry <github@matt.mchenryfamily.org>
Date: Mon, 4 Sep 2017 12:50:50 -0400
Subject: [PATCH] pfixtools: patch to work with gcc 6

Progress on: #28643
fixes #28984
---
 pkgs/servers/mail/postfix/pfixtools.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/servers/mail/postfix/pfixtools.nix b/pkgs/servers/mail/postfix/pfixtools.nix
index 6a0d7fb588f..a4186559e89 100644
--- a/pkgs/servers/mail/postfix/pfixtools.nix
+++ b/pkgs/servers/mail/postfix/pfixtools.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation {
                       --replace /bin/bash ${bash}/bin/bash;
   '';
 
-  NIX_CFLAGS_COMPILE = "-Wno-error=unused-result";
+  NIX_CFLAGS_COMPILE = "-Wno-error=unused-result -Wno-error=nonnull-compare";
 
   makeFlags = "DESTDIR=$(out) prefix=";
 
@@ -49,5 +49,6 @@ stdenv.mkDerivation {
     license = with lib.licenses; [ bsd3 ];
     homepage = https://github.com/Fruneau/pfixtools;
     platforms = stdenv.lib.platforms.linux;
+    maintainers = with lib.maintainers; [ jerith666 ];
   };
 }