From 63657a163d724861efcc8f0d506513082692f52d Mon Sep 17 00:00:00 2001
From: Bart Brouns <bart@magnetophon.nl>
Date: Fri, 5 Jun 2020 13:11:32 +0200
Subject: [PATCH] drumgizmo: fix build with lv2 1.18.0

---
 pkgs/applications/audio/drumgizmo/default.nix | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/audio/drumgizmo/default.nix b/pkgs/applications/audio/drumgizmo/default.nix
index 454befd55f9d..9e24c4a1c295 100644
--- a/pkgs/applications/audio/drumgizmo/default.nix
+++ b/pkgs/applications/audio/drumgizmo/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, alsaLib, expat, glib, libjack2, libXext, libX11, libpng
+{ stdenv, fetchurl, fetchpatch, alsaLib, expat, glib, libjack2, libXext, libX11, libpng
 , libpthreadstubs, libsmf, libsndfile, lv2, pkgconfig, zita-resampler
 }:
 
@@ -11,6 +11,16 @@ stdenv.mkDerivation rec {
     sha256 = "0bpbkzcr3znbwfdk79c14n5k5hh80iqlk2nc03q95vhimbadk8k7";
   };
 
+  patches = [
+    # Fix build for lv2 1.18.0
+    (fetchpatch {
+      url = "http://cgit.drumgizmo.org/plugingizmo.git/patch/?id=be64ddf9da525cd5c6757464efc966052731ba71";
+      sha256 = "17w8g78i5avssc7m8rpw64ka3rai8dff81wfzir9cpxp8s2h44qf";
+      extraPrefix = "plugin/plugingizmo/";
+      stripLen = 1;
+    })
+  ];
+
   configureFlags = [ "--enable-lv2" ];
 
   buildInputs = [