From a54e796cffbf26214a5c7f1fa3f3204952f28b74 Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Sun, 10 May 2015 12:46:21 +0300
Subject: [PATCH] Explicitly pass -pthread flag to fix the build after some
 updates

---
 pkgs/development/libraries/kerberos/heimdal.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/kerberos/heimdal.nix b/pkgs/development/libraries/kerberos/heimdal.nix
index aeea290bdb2..320e161d3da 100644
--- a/pkgs/development/libraries/kerberos/heimdal.nix
+++ b/pkgs/development/libraries/kerberos/heimdal.nix
@@ -23,6 +23,10 @@ stdenv.mkDerivation rec {
     "--without-x"
   ];
 
+  preConfigure = ''
+    export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -pthread"
+  '';
+
   # We need to build hcrypt for applications like samba
   postBuild = ''
     (cd lib/hcrypto; make)