From 2f47c93ec848ae4b9594a13406f71982282ce0d7 Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Thu, 26 Apr 2018 18:09:26 -0400
Subject: [PATCH] sacrifice: set LD_LIBRARY_PATH for pythia plugins to work

---
 pkgs/applications/science/physics/sacrifice/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/science/physics/sacrifice/default.nix b/pkgs/applications/science/physics/sacrifice/default.nix
index 99d6df77f853..6c25f720ebf9 100644
--- a/pkgs/applications/science/physics/sacrifice/default.nix
+++ b/pkgs/applications/science/physics/sacrifice/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, boost, hepmc, lhapdf, pythia }:
+{ stdenv, fetchurl, boost, hepmc, lhapdf, pythia, makeWrapper }:
 
 stdenv.mkDerivation rec {
   name = "sacrifice-${version}";
@@ -10,6 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ boost hepmc lhapdf pythia ];
+  nativeBuildInputs = [ makeWrapper ];
 
   patches = [
     ./compat.patch
@@ -27,8 +28,11 @@ stdenv.mkDerivation rec {
     "--with-pythia=${pythia}"
   ];
 
-  postInstall = stdenv.lib.optionalString stdenv.isDarwin ''
+  postInstall = if stdenv.isDarwin then ''
     install_name_tool -add_rpath ${pythia}/lib "$out"/bin/run-pythia
+  '' else ''
+    wrapProgram $out/bin/run-pythia \
+      --prefix LD_LIBRARY_PATH : "${pythia}/lib"
   '';
 
   enableParallelBuilding = true;