From 8d8208c771d5b5c612ad09cea6de56360ff7bef6 Mon Sep 17 00:00:00 2001
From: Kranium Gikos Mendoza <kranium@gikos.net>
Date: Mon, 22 Aug 2016 16:41:30 +0800
Subject: [PATCH] arx-libertatis: fix build

---
 pkgs/games/arx-libertatis/default.nix | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/pkgs/games/arx-libertatis/default.nix b/pkgs/games/arx-libertatis/default.nix
index 12f8efd7325..b9f78ca364a 100644
--- a/pkgs/games/arx-libertatis/default.nix
+++ b/pkgs/games/arx-libertatis/default.nix
@@ -18,9 +18,11 @@ stdenv.mkDerivation rec {
     optipng imagemagick
   ];
 
-  preConfigure = ''
-    cmakeFlags="-DDATA_DIR_PREFIXES=$out/share"
-  '';
+  cmakeFlags = [
+    "-DDATA_DIR_PREFIXES=$out/share"
+    "-DImageMagick_convert_EXECUTABLE=${imagemagick.out}/bin/convert"
+    "-DImageMagick_mogrify_EXECUTABLE=${imagemagick.out}/bin/mogrify"
+  ];
 
   enableParallelBuilding = true;