From 798e0f50f4dd6d26da285a851d1cd08665f60ae5 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Sat, 18 Feb 2017 19:21:11 -0600
Subject: [PATCH] creduce: Use wrapper instead of propagatedUserEnvPkgs

Friendlier when installed,
fixes execution outside of NixOS.
---
 pkgs/development/tools/misc/creduce/default.nix | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/pkgs/development/tools/misc/creduce/default.nix b/pkgs/development/tools/misc/creduce/default.nix
index a9296adf3343..d768f68576c5 100644
--- a/pkgs/development/tools/misc/creduce/default.nix
+++ b/pkgs/development/tools/misc/creduce/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake
+{ stdenv, fetchurl, cmake, makeWrapper
 , llvm, clang-unwrapped
 , flex
 , zlib
@@ -21,9 +21,10 @@ stdenv.mkDerivation rec {
     # Ensure stdenv's CC is on PATH before clang-unwrapped
     stdenv.cc
     # Actual deps:
-    cmake
+    cmake makeWrapper
     llvm clang-unwrapped
     flex zlib
+    perl ExporterLite FileWhich GetoptTabular RegexpCommon TermReadKey
   ];
 
   # On Linux, c-reduce's preferred way to reason about
@@ -34,15 +35,13 @@ stdenv.mkDerivation rec {
       lscpu ${utillinux}/bin/lscpu
   '';
 
-  perlDeps = [
-    perl ExporterLite FileWhich GetoptTabular RegexpCommon TermReadKey
-  ];
-
-  propagatedNativeBuildInputs = perlDeps;
-  propagatedUserEnvPkgs = perlDeps;
 
   enableParallelBuilding = true;
 
+  postInstall = ''
+    wrapProgram $out/bin/creduce --prefix PERL5LIB : "$PERL5LIB"
+  '';
+
   meta = with stdenv.lib; {
     description = "A C program reducer";
     homepage = "https://embed.cs.utah.edu/creduce";