From 22ab1a4a00fca0d54e6f0ed4eb26a3dd8e873a13 Mon Sep 17 00:00:00 2001
From: Ben Siraphob <bensiraphob@gmail.com>
Date: Mon, 7 Jun 2021 21:13:21 +0700
Subject: [PATCH] cc65: enable parallel building

---
 pkgs/development/compilers/cc65/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/compilers/cc65/default.nix b/pkgs/development/compilers/cc65/default.nix
index 502cecfa8cf..cb2410ba06a 100644
--- a/pkgs/development/compilers/cc65/default.nix
+++ b/pkgs/development/compilers/cc65/default.nix
@@ -13,6 +13,8 @@ gccStdenv.mkDerivation rec {
 
   makeFlags = [ "PREFIX=${placeholder "out"}" ];
 
+  enableParallelBuilding = true;
+
   meta = with lib; {
     homepage = "https://cc65.github.io/";
     description = "C compiler for processors of 6502 family";