From 426c513c14c10feac6a6afb1a810f74d8a16ed6e Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Wed, 3 Jan 2018 21:47:29 -0800
Subject: [PATCH] apg: Permit building again on Darwin

---
 pkgs/tools/security/apg/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/security/apg/default.nix b/pkgs/tools/security/apg/default.nix
index 24d88517b6a4..04b29bcf8f7c 100644
--- a/pkgs/tools/security/apg/default.nix
+++ b/pkgs/tools/security/apg/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl }:
+{ stdenv, fetchurl, openssl }:
 stdenv.mkDerivation rec {
   name = "apg-2.3.0b";
   src = fetchurl {
@@ -8,9 +8,14 @@ stdenv.mkDerivation rec {
   configurePhase = ''
     substituteInPlace Makefile --replace /usr/local "$out"
   '';
+  makeFlags = stdenv.lib.optionals stdenv.isDarwin ["CC=cc"];
 
   patches = [ ./apg.patch ];
 
+  postPatch = stdenv.lib.optionalString stdenv.isDarwin ''
+    sed -i -e 's|APG_CLIBS += -lcrypt|APG_CLIBS += -L${openssl.out}/lib -lcrypto|' Makefile
+  '';
+
   meta = {
     description = "Tools for random password generation";
     longDescription = ''