gtk-engines: intltool is a build-time dep
gtksourceview: intltool is a build-time dep
homebank: intltool is a build-time dep
klavaro: intltool is a build-time dep
libcroco: intltool is a build-time dep
libgda: intltool is a build-time dep
libgnomecanvas: intltool is a build-time dep
libgsf: intltool is a build-time dep
libgtop: intltool is a build-time dep
liblunar: intltool is a build-time dep
libpurple: intltool is a build-time dep
pan: intltool is a build-time dep
pcb: intltool is a build-time dep
pulseaudio: intltool is a build-time dep
shared-mime-info: intltool is a build-time dep
utimer: intltool is a build-time dep
audit: mark intltool as a build-time dep
audit: check for missing xz build-time dep

Closes #17565.
povray: fix audit
gtk-engines: needs gettext at runtime