gaia: init at 2.4.5

pkgs/development/libraries/gaia/default.nix

@@ -0,0 +1,81 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, libyaml
+, swig
+, pkgconfig
+, wafHook
+, makeWrapper
+, qt4
+, python
+, pythonSupport ? true
+# Default to false since it brakes the build
+, stlfacadeSupport ? false
+, assertsSupport ? true
+, cyclopsSupport ? true
+}:
+
+assert pythonSupport -> python != null;
+
+stdenv.mkDerivation rec {
+  pname = "gaia";
+  version = "2.4.5";
+
+  src = fetchFromGitHub {
+    owner = "MTG";
+    repo = "gaia";
+    rev = "v${version}";
+    sha256 = "12jxb354s2dblr2ghnl3w05m23jgzvrrgywfj8jaa32j3gw48fv2";
+  };
+
+  # Fix installation error when waf tries to put files in /etc/
+  prePatch = ''
+  '' + lib.optionalString cyclopsSupport ''
+    substituteInPlace src/wscript \
+      --replace "/etc/cyclops" "$out/etc/cyclops" \
+      --replace "/etc/init.d" "$out/etc/init.d"
+  '';
+
+  # This is not exactly specified in upstream's README but it's needed by the
+  # resultings $out/bin/gaiafusion script
+  pythonEnv = (if pythonSupport then
+    python.withPackages(ps: with ps; [
+      pyyaml
+    ])
+  else null);
+
+  nativeBuildInputs = [
+    wafHook
+    pkgconfig
+    swig
+    makeWrapper
+  ];
+  buildInputs = [
+    libyaml
+    qt4
+  ]
+    ++ lib.optionals (pythonSupport) [
+      pythonEnv
+    ]
+  ;
+  wafConfigureFlags = [
+  ]
+    ++ lib.optionals (pythonSupport) [ "--with-python-bindings" ]
+    ++ lib.optionals (stlfacadeSupport) [ "--with-stlfacade" ]
+    ++ lib.optionals (assertsSupport) [ "--with-asserts" ]
+    ++ lib.optionals (cyclopsSupport) [ "--with-cyclops" ]
+  ;
+  # only gaiafusion is a python executable that needs patchShebangs
+  postInstall = (if pythonSupport then ''
+    # We can't use patchShebangs because it will use bare bones $python/bin/python
+    # and we need a python environment with pyyaml
+    wrapProgram $out/bin/gaiafusion --prefix PYTHONPATH : $out/${python.sitePackages}:${pythonEnv}/${python.sitePackages}
+  '' else "");
+
+  meta = with lib; {
+    homepage = "https://github.com/MTG/gaia";
+    description = "C++ library with python bindings which implements similarity measures and classifications on the results of audio analysis, and generates classification models that Essentia can use to compute high-level description of music";
+    maintainers = with maintainers; [ doronbehar ];
+    license = licenses.agpl3;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -841,6 +841,8 @@ in
 
   genymotion = callPackage ../development/mobile/genymotion { };
 
+  gaia = callPackage ../development/libraries/gaia { };
+
   gamecube-tools = callPackage ../development/tools/gamecube-tools { };
 
   gams = callPackage ../tools/misc/gams (config.gams or {});