about_moc = mod_qt5.preprocess(
    moc_headers: ['aboutdialog.h', 'aboutplugin.h'],
    ui_files: ['aboutdialog.ui', 'aboutplugin.ui'],
    dependencies: dep_qt5
)

dep_about = declare_dependency(
    include_directories: include_directories('.'),
    link_with: static_library('about', 
        ['aboutdialog.cpp', 'aboutplugin.cpp', about_moc, version_h],
        dependencies: [dep_qt5])
)