Revert "Remove obsolete jackaudio version 1."

This reverts commit bdb77826d9.

Jack1 is not obsolete and neither jack1 nor jack2 is called 'jackaudio'.

Q: What's the difference between Jack1 and Jack2?
A: http://trac.jackaudio.org/wiki/Q_differenc_jack1_jack2

pkgs/misc/jackaudio/default.nix

@@ -5,7 +5,7 @@
 assert firewireSupport -> ffado != null;
 
 stdenv.mkDerivation rec {
-  name = "jackaudio-${version}";
+  name = "jack2-${version}";
   version = "1.9.9.5";
 
   src = fetchurl {

pkgs/misc/jackaudio/jack1.nix

@@ -0,0 +1,30 @@
+{ stdenv, fetchurl, pkgconfig, alsaLib, db, libuuid
+, firewireSupport ? false, ffado ? null }:
+
+assert firewireSupport -> ffado != null;
+
+stdenv.mkDerivation rec {
+  name = "jack1-${version}";
+  version = "0.124.1";
+
+  src = fetchurl {
+    url = "http://jackaudio.org/downloads/jack-audio-connection-kit-${version}.tar.gz";
+    sha256 = "1mk1wnx33anp6haxfjjkfhwbaknfblsvj35nxvz0hvspcmhdyhpb";
+  };
+  
+  preBuild = "echo ok";
+
+  configureFlags = ''
+    ${if firewireSupport then "--enable-firewire" else ""}
+  '';
+
+  buildInputs = 
+    [ pkgconfig alsaLib db libuuid
+    ] ++ (stdenv.lib.optional firewireSupport ffado);
+  
+  meta = {
+    description = "JACK audio connection kit";
+    homepage = "http://jackaudio.org";
+    license = "GPL";
+  };
+}