From 786f02f7a45621b9f628f63649ff92546aff83b7 Mon Sep 17 00:00:00 2001
From: Daniel Schaefer <git@danielschaefer.me>
Date: Wed, 24 Apr 2019 05:48:22 +0200
Subject: treewide: Remove usage of isNull

isNull "is deprecated; just write e == null instead" says the Nix manual
---
 pkgs/stdenv/darwin/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'pkgs/stdenv/darwin')

diff --git a/pkgs/stdenv/darwin/default.nix b/pkgs/stdenv/darwin/default.nix
index b7d8e3ba5236..5930a8203cb9 100644
--- a/pkgs/stdenv/darwin/default.nix
+++ b/pkgs/stdenv/darwin/default.nix
@@ -81,7 +81,7 @@ in rec {
         bintools     = { name = "${name}-binutils"; outPath = bootstrapTools; };
       };
 
-      cc = if isNull last then "/dev/null" else import ../../build-support/cc-wrapper {
+      cc = if last == null then "/dev/null" else import ../../build-support/cc-wrapper {
         inherit shell;
         inherit (last) stdenvNoCC;
 
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