add ladspa-sdk, move ladspaH

pkgs/applications/audio/ladspa-sdk/default.nix

···
+{ stdenv, fetchurl }:
+stdenv.mkDerivation rec {
+  name = "ladspa-sdk-${version}";
+  version = "1.13";
+  src = fetchurl {
+    url = "http://www.ladspa.org/download/ladspa_sdk_${version}.tgz";
+    sha256 = "0srh5n2l63354bc0srcrv58rzjkn4gv8qjqzg8dnq3rs4m7kzvdm";
+  };
+
+  patchPhase = ''
+    cd src
+    sed -i 's@/usr/@$(out)/@g'  makefile
+    sed -i 's@-mkdirhier@mkdir -p@g'  makefile
+  '';
+
+  meta = {
+    description = "The SDK for the LADSPA audio plugin standard";
+    longDescription = ''
+      The LADSPA SDK, including the ladspa.h API header file,
+      ten example LADSPA plugins and 
+      three example programs (applyplugin, analyseplugin and listplugins).
+    '';
+    homepage = http://www.ladspa.org/ladspa_sdk/overview.html;
+    license = stdenv.lib.licenses.lgpl2;
+    maintainers = [ stdenv.lib.maintainers.magnetophon ];
+    platforms = stdenv.lib.platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   lash = callPackage ../applications/audio/lash { };
 
-  ladspaH = callPackage ../applications/audio/ladspa-plugins/ladspah.nix { };
+  ladspaH = callPackage ../applications/audio/ladspa-sdk/ladspah.nix { };
 
   ladspaPlugins = callPackage ../applications/audio/ladspa-plugins {
     fftw = fftwSinglePrec;
   };
+
+  ladspa-sdk = callPackage ../applications/audio/ladspa-sdk { };
 
   caps = callPackage ../applications/audio/caps { };