From c77ba8b8f680ef29fe19b2fa4babe6d615c89f9c Mon Sep 17 00:00:00 2001
From: Jan Malakhovski <oxij@oxij.org>
Date: Tue, 4 Sep 2018 17:35:20 +0000
Subject: [PATCH] newt: cleanup with a mass rebuild

---
 pkgs/development/libraries/newt/default.nix | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/libraries/newt/default.nix b/pkgs/development/libraries/newt/default.nix
index a10f52462a8e..1a5656b7ca16 100644
--- a/pkgs/development/libraries/newt/default.nix
+++ b/pkgs/development/libraries/newt/default.nix
@@ -22,10 +22,9 @@ stdenv.mkDerivation rec {
     unset CPP
   '';
 
-  # Use `lib.optionalString` next mass rebuild.
-  makeFlags = if stdenv.buildPlatform == stdenv.hostPlatform
-              then null
-              else "CROSS_COMPILE=${stdenv.cc.targetPrefix}";
+  makeFlags = stdenv.lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [
+    "CROSS_COMPILE=${stdenv.cc.targetPrefix}"
+  ];
 
   meta = with stdenv.lib; {
     homepage = https://fedorahosted.org/newt/;