From 89c3a254458324999c77eb619ba6ea165bc4f468 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Mon, 16 May 2022 22:52:28 +0200
Subject: [PATCH] gnome3.adwaita-icon-theme: reduce build parallelism

It was repeatedly failing to fork on our aarch64-darwin buildrers:
https://hydra.nixos.org/build/176633576#tabs-buildsteps
---
 .../gnome/core/adwaita-icon-theme/default.nix        | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/pkgs/desktops/gnome/core/adwaita-icon-theme/default.nix b/pkgs/desktops/gnome/core/adwaita-icon-theme/default.nix
index b3c9e1ea62a..5e36cd109e4 100644
--- a/pkgs/desktops/gnome/core/adwaita-icon-theme/default.nix
+++ b/pkgs/desktops/gnome/core/adwaita-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkg-config, intltool, gnome
+{ lib, stdenv, fetchurl, fetchpatch, pkg-config, autoreconfHook, intltool, gnome
 , iconnamingutils, gtk3, gdk-pixbuf, librsvg, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
@@ -10,12 +10,20 @@ stdenv.mkDerivation rec {
     sha256 = "XoW1rcje5maQD8rycbpxf33LnQoD2W2uCPnL0n4YseA=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "reduce-build-parallelism.patch";
+      url = "https://gitlab.gnome.org/vcunat/adwaita-icon-theme/-/commit/27edeca7927eb2247d7385fccb3f0fd7787471e6.patch";
+      sha256 = "vDWuvz5yRhtn9obTtHRp6J7gJpXDZz1cajyquPGw53I=";
+    })
+  ];
+
   # For convenience, we can specify adwaita-icon-theme only in packages
   propagatedBuildInputs = [ hicolor-icon-theme ];
 
   buildInputs = [ gdk-pixbuf librsvg ];
 
-  nativeBuildInputs = [ pkg-config intltool iconnamingutils gtk3 ];
+  nativeBuildInputs = [ pkg-config autoreconfHook intltool iconnamingutils gtk3 ];
 
   dontDropIconThemeCache = true;