Merge pull request #259534 from cafkafk/cafk-firefox-a11y

            ++ lib.optional sndioSupport sndio

            ++ lib.optional jackSupport libjack2

            ++ lib.optional smartcardSupport opensc

            ++ lib.optional (cfg.speechSynthesisSupport or false) speechd

            ++ lib.optional (cfg.speechSynthesisSupport or true) speechd

            ++ pkcs11Modules

            ++ gtk_modules;

      gtk_modules = [ libcanberra-gtk3 ];