Revision control
++ add_subdirectory(qtexttospeech)
++ if(TARGET Qt::Qml AND TARGET Qt::QuickTest)
++ add_subdirectory(qtexttospeech_qml)
++ endif()
++ add_subdirectory(qvoice)
++ add_subdirectory(qtexttospeech)
++ if(TARGET Qt::Qml AND TARGET Qt::QuickTest)
++ add_subdirectory(qtexttospeech_qml)
++ endif()
++ add_subdirectory(qvoice)