From 0730df1a1a1d4e4caa26bba9988b18ca3e322a39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Tue, 8 Mar 2022 13:25:39 +0100
Subject: [PATCH] nix: disable big-parallel for aws-sdk-cpp

aws-sdk-cpp only takes ~1m52s on a 4 core machine under 50% load
which does not justify the requirement on big parallel.

Tested with `nix-build -A nixVersions.nix_2_6.aws-sdk-cpp`.
---
 pkgs/tools/package-management/nix/common.nix  | 2 +-
 pkgs/tools/package-management/nix/default.nix | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/package-management/nix/common.nix b/pkgs/tools/package-management/nix/common.nix
index 842ef5de3285..55d2e0b54059 100644
--- a/pkgs/tools/package-management/nix/common.nix
+++ b/pkgs/tools/package-management/nix/common.nix
@@ -205,7 +205,7 @@ stdenv.mkDerivation {
   };
 
   passthru = {
-    inherit boehmgc;
+    inherit aws-sdk-cpp boehmgc;
 
     perl-bindings = perl.pkgs.toPerlModule (callPackage ./nix-perl.nix { inherit src version;  });
   };
diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index e080a57dc658..78fe76e2bce2 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -24,6 +24,9 @@ let
     customMemoryManagement = false;
   }).overrideDerivation (args: {
     patches = (args.patches or [ ]) ++ [ ./patches/aws-sdk-cpp-TransferManager-ContentEncoding.patch ];
+
+    # only a stripped down version is build which takes a lot less resources to build
+    requiredSystemFeatures = null;
   });
 
   common = args: