From 9858da4185cd83b6a00bbf737d6dd8ad8ac84a76 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Sun, 13 Feb 2022 11:02:44 -0800
Subject: [PATCH] lv2: add dev output
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Also put programs there since those are just development tools,
that would bring unnecessary Python dependency into out’s runtime closure.
---
 pkgs/development/libraries/audio/lv2/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/audio/lv2/default.nix b/pkgs/development/libraries/audio/lv2/default.nix
index 8acb4342372..d0ef2e65c59 100644
--- a/pkgs/development/libraries/audio/lv2/default.nix
+++ b/pkgs/development/libraries/audio/lv2/default.nix
@@ -12,6 +12,8 @@ stdenv.mkDerivation rec {
   pname = "lv2";
   version = "1.18.2";
 
+  outputs = [ "out" "dev" ];
+
   src = fetchurl {
     url = "https://lv2plug.in/spec/${pname}-${version}.tar.bz2";
     sha256 = "sha256-TokfvHRMBYVb6136gugisUkX3Wbpj4K4Iw29HHqy4F4=";
@@ -27,7 +29,10 @@ stdenv.mkDerivation rec {
     python3
   ];
 
-  wafConfigureFlags = lib.optionals stdenv.isDarwin [
+  wafConfigureFlags = [
+    "--includedir=${placeholder "dev"}/include"
+    "--bindir=${placeholder "dev"}/bin"
+  ] ++ lib.optionals stdenv.isDarwin [
     "--lv2dir=${placeholder "out"}/lib/lv2"
   ];