From 47fa8adfe1050be0ed7b4d8bde280652dacaced0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20Sch=C3=BCtz?= <nix@dotlambda.de>
Date: Thu, 24 Nov 2022 19:10:29 -0800
Subject: [PATCH] lvtk: build using python3

---
 pkgs/development/libraries/audio/lvtk/default.nix | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/libraries/audio/lvtk/default.nix b/pkgs/development/libraries/audio/lvtk/default.nix
index 414634f07070..9822640f8d67 100644
--- a/pkgs/development/libraries/audio/lvtk/default.nix
+++ b/pkgs/development/libraries/audio/lvtk/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, boost, gtkmm2, lv2, pkg-config, python2, wafHook }:
+{ lib, stdenv, fetchFromGitHub, boost, gtkmm2, lv2, pkg-config, python3, wafHook }:
 
 stdenv.mkDerivation rec {
   pname = "lvtk";
@@ -11,14 +11,20 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-6IoyhBig3Nvc4Y8F0w8b1up6sn8O2RmoUVaBQ//+Aaw=";
   };
 
-  nativeBuildInputs = [ pkg-config python2 wafHook ];
+  nativeBuildInputs = [ pkg-config python3 wafHook ];
   buildInputs = [ boost gtkmm2 lv2 ];
 
   enableParallelBuilding = true;
 
-  # Fix including the boost libraries during linking
   postPatch = ''
+    # Fix including the boost libraries during linking
     sed -i '/target[ ]*= "ttl2c"/ ilib=["boost_system"],' tools/wscript_build
+
+    # don't use bundled waf
+    rm waf
+
+    # remove (useless) python2 based print
+    sed -e '/print/d' -i wscript
   '';
 
   wafConfigureFlags = [