From dfe2998cba241f28469396264870a1f4ac576c87 Mon Sep 17 00:00:00 2001
From: adisbladis <adisbladis@gmail.com>
Date: Thu, 2 Sep 2021 13:57:53 -0500
Subject: [PATCH] qt5.qtbase: Enable parallel building

(cherry picked from commit 54a62ba0080cc5d40567dc0f492389e199c6e3a9)
---
 pkgs/development/libraries/qt-5/modules/qtbase.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/libraries/qt-5/modules/qtbase.nix b/pkgs/development/libraries/qt-5/modules/qtbase.nix
index 0d0bef342b0..2536e03bc75 100644
--- a/pkgs/development/libraries/qt-5/modules/qtbase.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtbase.nix
@@ -94,6 +94,8 @@ stdenv.mkDerivation {
 
   propagatedNativeBuildInputs = [ lndir ];
 
+  enableParallelBuilding = true;
+
   outputs = [ "bin" "dev" "out" ];
 
   inherit patches;