From 24a378c070a1cebf63b2308f4ede6bdaf1126487 Mon Sep 17 00:00:00 2001
From: Andrew Childs <lorne@cons.org.nz>
Date: Thu, 19 Nov 2020 16:36:36 +0900
Subject: [PATCH] zlib: fix cross compilation on darwin

---
 pkgs/development/libraries/zlib/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/zlib/default.nix b/pkgs/development/libraries/zlib/default.nix
index 998550d1fee6..a9fadf46c4b2 100644
--- a/pkgs/development/libraries/zlib/default.nix
+++ b/pkgs/development/libraries/zlib/default.nix
@@ -37,8 +37,8 @@ stdenv.mkDerivation (rec {
 
   postPatch = lib.optionalString stdenv.hostPlatform.isDarwin ''
     substituteInPlace configure \
-      --replace '/usr/bin/libtool' 'ar' \
-      --replace 'AR="libtool"' 'AR="ar"' \
+      --replace '/usr/bin/libtool' '${stdenv.cc.targetPrefix}ar' \
+      --replace 'AR="libtool"' 'AR="${stdenv.cc.targetPrefix}ar"' \
       --replace 'ARFLAGS="-o"' 'ARFLAGS="-r"'
   '';