From caf43ad5af9dc9936f38b2cc4d22c0d224dc5e5d Mon Sep 17 00:00:00 2001
From: Paulus Esterhazy <pesterhazy@gmail.com>
Date: Fri, 11 Sep 2015 10:52:48 +0200
Subject: [PATCH] parallel: no dependency on `procps` on Darwin

Fixes #9592
---
 pkgs/tools/misc/parallel/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/tools/misc/parallel/default.nix b/pkgs/tools/misc/parallel/default.nix
index d96ca1080d8..1d3d14d7e23 100644
--- a/pkgs/tools/misc/parallel/default.nix
+++ b/pkgs/tools/misc/parallel/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sed -i 's,#![ ]*/usr/bin/env[ ]*perl,#!${perl}/bin/perl,' $out/bin/*
 
     wrapProgram $out/bin/parallel \
-      --prefix PATH : "${procps}/bin" \
+      ${if stdenv.isLinux then ("--prefix PATH \":\" ${procps}/bin") else ""} \
       --prefix PATH : "${perl}/bin" \
   '';