aeolus: use aeolus-stops

Without them it does not play.

pkgs/applications/audio/aeolus/default.nix

@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, libclthreads, zita-alsa-pcmi, alsa-lib, libjack2
-, libclxclient, libX11, libXft, readline
+, libclxclient, libX11, libXft, readline, aeolus-stops
 }:
 
 stdenv.mkDerivation rec {
@@ -16,17 +16,29 @@ stdenv.mkDerivation rec {
     libX11 libXft readline
   ];
 
-  patchPhase = ''sed "s@ldconfig.*@@" -i source/Makefile'';
+  postPatch = ''
+    sed -i source/Makefile -e /ldconfig/d
+    substituteInPlace source/main.cc --replace /etc/ "$out/etc/"
+  '';
 
   preBuild = "cd source";
 
   makeFlags = [ "DESTDIR=" "PREFIX=$(out)" ];
 
-  meta = {
+  postInstall = let cfg = ''
+    # Aeolus system wide default options
+    # Ignored if ~/.aeolusrc with local options exists
+    -u -S ${aeolus-stops}/${aeolus-stops.subdir}
+  ''; in ''
+    mkdir -p $out/etc
+    echo -n "${cfg}" > $out/etc/aeolus.conf
+  '';
+
+  meta = with lib; {
     description = "Synthetized (not sampled) pipe organ emulator";
     homepage = "http://kokkinizita.linuxaudio.org/linuxaudio/aeolus/index.html";
-    license = lib.licenses.lgpl3;
-    platforms = lib.platforms.linux;
-    maintainers = [ lib.maintainers.nico202 ];
+    license = licenses.lgpl3;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ nico202 orivej ];
   };
 }