From 860c81d6f70aac3f653fc240e35e7d6f7e98a187 Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Sun, 25 Feb 2018 14:42:23 -0500
Subject: [PATCH] ldns: Enable cross-compilation

---
 pkgs/development/libraries/ldns/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/libraries/ldns/default.nix b/pkgs/development/libraries/ldns/default.nix
index 6c2a8f84d23..e9d81d3ab78 100644
--- a/pkgs/development/libraries/ldns/default.nix
+++ b/pkgs/development/libraries/ldns/default.nix
@@ -40,6 +40,9 @@ stdenv.mkDerivation rec {
     "--with-trust-anchor=${dns-root-data}/root.key"
     "--with-drill"
     "--disable-gost"
+  ] ++ stdenv.lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
+    "ac_cv_func_malloc_0_nonnull=yes"
+    "ac_cv_func_realloc_0_nonnull=yes"
   ];
 
   postInstall = ''