From b0d2aa447773c2c5e40e4dde2d11c611287b091c Mon Sep 17 00:00:00 2001
From: Orivej Desh <orivej@gmx.fr>
Date: Tue, 25 Sep 2018 11:33:20 +0000
Subject: [PATCH] bitcoin-classic: enable parallel building

---
 pkgs/applications/altcoins/bitcoin-classic.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/applications/altcoins/bitcoin-classic.nix b/pkgs/applications/altcoins/bitcoin-classic.nix
index 34faf77e980..ad48ea2a625 100644
--- a/pkgs/applications/altcoins/bitcoin-classic.nix
+++ b/pkgs/applications/altcoins/bitcoin-classic.nix
@@ -26,6 +26,8 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--with-boost-libdir=${boost.out}/lib" ]
                      ++ optionals withGui [ "--with-gui=qt5" ];
 
+  enableParallelBuilding = true;
+
   meta = {
     description = "Peer-to-peer electronic cash system (Classic client)";
     longDescription= ''