From 45288180b93449cef1ffba8a9e9048912e83fb8c Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Thu, 25 May 2023 17:36:44 +0300
Subject: [PATCH] libngspice: enable parallel building

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

diff --git a/pkgs/development/libraries/libngspice/default.nix b/pkgs/development/libraries/libngspice/default.nix
index 5537bb0ca4b..c6e787eda61 100644
--- a/pkgs/development/libraries/libngspice/default.nix
+++ b/pkgs/development/libraries/libngspice/default.nix
@@ -37,6 +37,8 @@ stdenv.mkDerivation rec {
     "--enable-cider"
   ];
 
+  enableParallelBuilding = true;
+
   meta = with lib; {
     description = "The Next Generation Spice (Electronic Circuit Simulator)";
     homepage = "http://ngspice.sourceforge.net";