From 6cdbb1fb1febfd97ab4490fba461c9eb6453fa33 Mon Sep 17 00:00:00 2001
From: Justin Humm <justin.humm@posteo.de>
Date: Mon, 15 Jun 2020 21:03:03 +0200
Subject: [PATCH] bind: set BUILD_CC for cross compilation

This is due to a hint by @Ericson2314 in
https://github.com/NixOS/nixpkgs/pull/86166#issuecomment-633153996
---
 pkgs/servers/dns/bind/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/servers/dns/bind/default.nix b/pkgs/servers/dns/bind/default.nix
index a7581ccbb11..2aae5634cc5 100644
--- a/pkgs/servers/dns/bind/default.nix
+++ b/pkgs/servers/dns/bind/default.nix
@@ -54,7 +54,8 @@ stdenv.mkDerivation rec {
     "--without-eddsa"
     "--with-aes"
   ] ++ lib.optional stdenv.isLinux "--with-libcap=${libcap.dev}"
-    ++ lib.optional enableSeccomp "--enable-seccomp";
+    ++ lib.optional enableSeccomp "--enable-seccomp"
+    ++ lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) "BUILD_CC=$(CC_FOR_BUILD)";
 
   postInstall = ''
     moveToOutput bin/bind9-config $dev