From fbd58b1d4ad67da37a91cd3693a7c0579bab8b20 Mon Sep 17 00:00:00 2001
From: OPNA2608 <christoph.neidahl@gmail.com>
Date: Wed, 1 Dec 2021 17:48:13 +0100
Subject: [PATCH] milkytracker: workaround for rtmidi support

RtMidi 5.0.0 requires C++11 support now.
Upstream bug: https://github.com/milkytracker/MilkyTracker/issues/262
---
 pkgs/applications/audio/milkytracker/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/applications/audio/milkytracker/default.nix b/pkgs/applications/audio/milkytracker/default.nix
index 47fbd5794ea0..ea54a4a55d43 100644
--- a/pkgs/applications/audio/milkytracker/default.nix
+++ b/pkgs/applications/audio/milkytracker/default.nix
@@ -12,6 +12,12 @@ stdenv.mkDerivation rec {
     sha256 = "025fj34gq2kmkpwcswcyx7wdxb89vm944dh685zi4bxx0hz16vvk";
   };
 
+  postPatch = ''
+    # https://github.com/milkytracker/MilkyTracker/issues/262
+    substituteInPlace CMakeLists.txt \
+      --replace 'CMAKE_CXX_STANDARD 98' 'CMAKE_CXX_STANDARD 11'
+  '';
+
   nativeBuildInputs = [ cmake pkg-config makeWrapper ];
 
   buildInputs = [ SDL2 alsa-lib libjack2 lhasa perl rtmidi zlib zziplib ];