From 597aebc94d1d9cdea387b83cd49f272df63e2fa4 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Thu, 21 May 2015 10:55:54 -0500
Subject: [PATCH] libgcrypt: Set libpcap to null on Darwin

---
 pkgs/top-level/all-packages.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 34584ef005f7..fca6146a14ac 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6658,7 +6658,9 @@ let
 
   libftdi1 = callPackage ../development/libraries/libftdi/1.x.nix { };
 
-  libgcrypt = callPackage ../development/libraries/libgcrypt { };
+  libgcrypt = callPackage ../development/libraries/libgcrypt {
+    libcap = if stdenv.isDarwin then null else pkgs.libcap;
+  };
 
   libgdiplus = callPackage ../development/libraries/libgdiplus { };