From bd69c51ddf12d313734e940ee7745c852ad6158b Mon Sep 17 00:00:00 2001
From: "William A. Kennington III" <william@wkennington.com>
Date: Mon, 11 May 2015 15:03:07 -0700
Subject: [PATCH] trousers: Fix darwin build

---
 pkgs/tools/security/trousers/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/tools/security/trousers/default.nix b/pkgs/tools/security/trousers/default.nix
index 38ff4acc43bd..9d15b16a1885 100644
--- a/pkgs/tools/security/trousers/default.nix
+++ b/pkgs/tools/security/trousers/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   NIX_LDFLAGS = "-lgcc_s";
 
   # Fix broken libtool file
-  preFixup = ''
+  preFixup = stdenv.lib.optionalString (!stdenv.isDarwin) ''
     sed 's,-lcrypto,-L${openssl}/lib -lcrypto,' -i $out/lib/libtspi.la
   '';