added qt variants for pyqt to build (#2389)

var/spack/repos/builtin/packages/py-pyqt/package.py

@@ -39,7 +39,7 @@ class PyPyqt(Package):
 
     # TODO: allow qt5 when conditional deps are supported.
     # TODO: Fix version matching so that @4 works like @:4
-    depends_on('qt@:4')
+    depends_on('qt@:4+phonon+dbus')
 
     def install(self, spec, prefix):
         python('configure.py',

var/spack/repos/builtin/packages/qt/package.py

@@ -51,6 +51,7 @@ class Qt(Package):
     variant('webkit',     default=False, description="Build the Webkit extension")
     variant('examples',   default=False, description="Build examples.")
     variant('dbus',       default=False, description="Build with D-Bus support.")
+    variant('phonon',     default=False, description="Build with phonon support.")
 
     patch('qt3krell.patch', when='@3.3.8b+krellpatch')
 
@@ -179,7 +180,7 @@ def common_config_args(self):
         if '~examples' in self.spec:
             config_args.extend(['-nomake', 'examples'])
 
-        if '@4' in self.spec:
+        if '@4' in self.spec and '~phonon' in self.spec:
             config_args.append('-no-phonon')
 
         if '+dbus' in self.spec: