Convert all jack references to libjack2

pkgs/tools/audio/darkice/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, alsaLib, faac, jack2, lame, libopus, libpulseaudio, libsamplerate, libvorbis }:
+{ stdenv, fetchurl, alsaLib, faac, libjack2, lame, libopus, libpulseaudio, libsamplerate, libvorbis }:
 
 with stdenv.lib;
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   configureFlags = [
     "--with-alsa-prefix=${alsaLib}"
     "--with-faac-prefix=${faac}"
-    "--with-jack-prefix=${jack2}"
+    "--with-jack-prefix=${libjack2}"
     "--with-lame-prefix=${lame}"
     "--with-opus-prefix=${libopus}"
     "--with-pulseaudio-prefix=${libpulseaudio}"

pkgs/tools/audio/liquidsoap/full.nix

@@ -1,6 +1,6 @@
 { stdenv, fetchurl, which, pkgconfig
 , ocaml, ocamlPackages
-, libao, portaudio, alsaLib, libpulseaudio, jack2
+, libao, portaudio, alsaLib, libpulseaudio, libjack2
 , libsamplerate, libmad, taglib, lame, libogg
 , libvorbis, speex, libtheora, libopus, fdk_aac
 , faad2, flac, ladspaH, ffmpeg, frei0r, dssi
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
 
   buildInputs =
     [ which ocaml ocamlPackages.findlib pkgconfig
-      libao portaudio alsaLib libpulseaudio jack2
+      libao portaudio alsaLib libpulseaudio libjack2
       libsamplerate libmad taglib lame libogg
       libvorbis speex libtheora libopus fdk_aac
       faad2 flac ladspaH ffmpeg frei0r dssi

pkgs/tools/misc/timidity/default.nix

@@ -1,4 +1,4 @@
-{ composableDerivation, stdenv, fetchurl, alsaLib, jack2, ncurses }:
+{ composableDerivation, stdenv, fetchurl, alsaLib, libjack2, ncurses }:
 
 let inherit (composableDerivation) edf; in
 
@@ -30,8 +30,8 @@ composableDerivation.composableDerivation {} {
     };
     jack = {
       audioModes = "jack";
-      buildInputs = [jack2];
-      NIX_LDFLAGS = ["-ljack -L${jack2}/lib64"];
+      buildInputs = [libjack2];
+      NIX_LDFLAGS = ["-ljack -L${libjack2}/lib"];
     };
   } // edf { name = "ncurses"; enable = { buildInputs = [ncurses]; };};