From 28b46461ca80955c2b77f6dc67d77707cd917144 Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Sun, 16 Mar 2025 22:46:22 +0000
Subject: [PATCH] jbigkit: disable parallel tests

When parallel building is enabled by default tests always fail as
all intermediate files are removed on each test interferring with
every parallel test.
---
 pkgs/by-name/jb/jbigkit/package.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/by-name/jb/jbigkit/package.nix b/pkgs/by-name/jb/jbigkit/package.nix
index 92fc9d96d1ea..4e32005349f1 100644
--- a/pkgs/by-name/jb/jbigkit/package.nix
+++ b/pkgs/by-name/jb/jbigkit/package.nix
@@ -79,6 +79,9 @@ stdenv.mkDerivation (finalAttrs: {
 
   doCheck = true;
 
+  # Testing deletes all files on each test, causes test failures.
+  enableParallelChecking = false;
+
   meta = {
     broken = stdenv.hostPlatform.isDarwin;
     description = "Software implementation of the JBIG1 data compression standard";