From baad4134161ea4f61d1f88ec6eb55a8d0b03a974 Mon Sep 17 00:00:00 2001
From: Thomas Tuegel <ttuegel@mailbox.org>
Date: Wed, 19 Jul 2017 08:55:28 -0500
Subject: [PATCH] ppp: fix invalid use of substituteInPlace

substituteInPlace was invoked with multiple targets on the command line, which
is not supported.
---
 pkgs/tools/networking/ppp/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/networking/ppp/default.nix b/pkgs/tools/networking/ppp/default.nix
index 90a4b988c3f..d07770260ff 100644
--- a/pkgs/tools/networking/ppp/default.nix
+++ b/pkgs/tools/networking/ppp/default.nix
@@ -34,7 +34,9 @@ stdenv.mkDerivation rec {
   '';
 
   postFixup = ''
-    substituteInPlace $out/bin/{pon,poff,plog} --replace "/usr/sbin" "$out/bin"
+    for tgt in pon poff plog; do
+      substituteInPlace "$out/bin/$tgt" --replace "/usr/sbin" "$out/bin"
+    done
   '';
 
   meta = {