From 49a2392306e6e4f4f13dd6f8887e20c252e82df9 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Fri, 19 Nov 2021 01:03:22 -0800
Subject: [PATCH] gengetopt: disable parallelism

Test suite is not thread safe.
---
 pkgs/development/tools/misc/gengetopt/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/tools/misc/gengetopt/default.nix b/pkgs/development/tools/misc/gengetopt/default.nix
index 2c09f925d3d8..d24d4b66d66c 100644
--- a/pkgs/development/tools/misc/gengetopt/default.nix
+++ b/pkgs/development/tools/misc/gengetopt/default.nix
@@ -15,7 +15,8 @@ stdenv.mkDerivation rec {
     rm tests/test_conf_parser_save.sh
   '';
 
-  enableParallelBuilding = true;
+  # test suite is not thread safe
+  enableParallelBuilding = false;
 
   nativeBuildInputs = [ texinfo help2man ];