From 711db1b0cd6d8a4726232ec1446feb5a1ccad73f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Sun, 6 Jan 2019 14:52:11 +0100
Subject: [PATCH] postfix: fix linking error after #51770; issue #53001

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

diff --git a/pkgs/servers/mail/postfix/default.nix b/pkgs/servers/mail/postfix/default.nix
index 019cc1b1948c..a418e2af4685 100644
--- a/pkgs/servers/mail/postfix/default.nix
+++ b/pkgs/servers/mail/postfix/default.nix
@@ -79,6 +79,8 @@ in stdenv.mkDerivation rec {
     make makefiles CCARGS='${ccargs}' AUXLIBS='${auxlibs}'
   '';
 
+  NIX_LDFLAGS = lib.optional withLDAP "-llber";
+
   installTargets = [ "non-interactive-package" ];
 
   installFlags = [ "install_root=installdir" ];