From 18b64f05c9e4637bbbb516d759da333e2721c6a6 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Wed, 13 Jan 2016 19:07:21 +0300
Subject: [PATCH] ijs: 9.16 -> 9.18

---
 pkgs/development/libraries/ijs/default.nix | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/libraries/ijs/default.nix b/pkgs/development/libraries/ijs/default.nix
index fbba11c10c93..0c7d412fee65 100644
--- a/pkgs/development/libraries/ijs/default.nix
+++ b/pkgs/development/libraries/ijs/default.nix
@@ -1,16 +1,25 @@
-{ stdenv, fetchurl, autoreconfHook }:
+{ stdenv, fetchurl, fetchpatch, autoreconfHook }:
 
-let version = "9.16";
+let version = "9.18";
 in
 stdenv.mkDerivation {
   name = "ijs-${version}";
 
   src = fetchurl {
     url = "http://downloads.ghostscript.com/public/ghostscript-${version}.tar.bz2";
-    sha256 = "0vdqbjkickb0109lk6397bb2zjmg1s46dac5p5j4gfxa4pwl8b9y";
+    sha256 = "18ad90za28dxybajqwf3y3dld87cgkx1ljllmcnc7ysspfxzbnl3";
   };
 
-  prePatch = "cd ijs";
+  patches = [
+    # http://bugs.ghostscript.com/show_bug.cgi?id=696246
+    (fetchpatch {
+      name = "devijs-account-for-device-subclassing.patch";
+      url = "http://git.ghostscript.com/?p=ghostpdl.git;a=patch;h=b68e05c3";
+      sha256 = "1c3fzfjzvf15z533vpw3l3da8wcxw98qi3p1lc6lf13940a57c7n";
+    })
+  ];
+
+  postPatch = "cd ijs";
 
   enableParallelBuilding = true;