From 0b3af3074ef66724c2083ae0e9c6a0a5567be67a Mon Sep 17 00:00:00 2001
From: "William A. Kennington III" <william@wkennington.com>
Date: Mon, 11 May 2015 15:14:22 -0700
Subject: [PATCH] libgcrypt: Fix darwin build

---
 pkgs/development/libraries/libgcrypt/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/libgcrypt/default.nix b/pkgs/development/libraries/libgcrypt/default.nix
index bbc625173a95..7d327a499bcc 100644
--- a/pkgs/development/libraries/libgcrypt/default.nix
+++ b/pkgs/development/libraries/libgcrypt/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   # Also make sure includes are fixed for callers who don't use libgpgcrypt-config
   postInstall = ''
     sed -i 's,#include <gpg-error.h>,#include "${libgpgerror}/include/gpg-error.h",g' $out/include/gcrypt.h
-  '' + stdenv.lib.optionalString (optLibcap != null) ''
+  '' + stdenv.lib.optionalString (!stdenv.isDarwin && optLibcap != null) ''
     sed -i 's,\(-lcap\),-L${optLibcap}/lib \1,' $out/lib/libgcrypt.la
   '';