From 91a2ad21adcccc7061c2a5f27c0f980e784b6bd9 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Tue, 6 Mar 2018 13:01:46 +0300
Subject: [PATCH] gtkmm2: enable parallel building

---
 pkgs/development/libraries/gtkmm/2.x.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/gtkmm/2.x.nix b/pkgs/development/libraries/gtkmm/2.x.nix
index 469c6adc6f7..69fd3f30e92 100644
--- a/pkgs/development/libraries/gtkmm/2.x.nix
+++ b/pkgs/development/libraries/gtkmm/2.x.nix
@@ -11,12 +11,14 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "dev" ];
 
-  nativeBuildInputs = [pkgconfig];
+  nativeBuildInputs = [ pkgconfig ];
 
   propagatedBuildInputs = [ glibmm gtk2 atkmm cairomm pangomm ];
 
   doCheck = true;
 
+  enableParallelBuilding = true;
+
   meta = {
     description = "C++ interface to the GTK+ graphical user interface library";