Sound of Sorting: New Package

Sound of Sorting is an array-sorting visual+sound demo program.
It shows an array as a list of horizontal bars, and realizes a
step-by-step sorting of it. Moreover, it colorizes and emits a
"8-bit-game-like" sound throughout its execution.

Closes #4341

pkgs/misc/sound-of-sorting/default.nix

···
+{ stdenv, fetchurl
+, SDL2, wxGTK
+}:
+
+stdenv.mkDerivation rec {
+
+  name = "sound-of-sorting-${version}";
+  version = "0.6.5";
+
+  src = fetchurl {
+    url = "https://github.com/bingmann/sound-of-sorting/archive/${name}.tar.gz";
+    sha256 = "1524bhmy5067z9bjc15hvqslw43adgpdn4272iymq09ahja4x76b";
+  };
+
+  buildInputs = with stdenv.lib;
+  [ wxGTK SDL2 ];
+
+  preConfigure = ''
+    export SDL_CONFIG=${SDL2}/bin/sdl2-config
+  '';
+
+  meta = with stdenv.lib;{
+    description = "Audibilization and Visualization of Sorting Algorithms";
+    homepage = http://panthema.net/2013/sound-of-sorting/;
+    license = licenses.gpl3;
+    maintainers = [ maintainers.AndersonTorres ];
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   slock = callPackage ../misc/screensavers/slock { };
 
+  soundOfSorting = callPackage ../misc/sound-of-sorting { };
+
   sourceAndTags = import ../misc/source-and-tags {
     inherit pkgs stdenv unzip lib ctags;
     hasktags = haskellPackages.hasktags;