define antarctica-zones
Antarctica/Casey
Antarctica/Davis
Antarctica/Mawson
Indian/Kerguelen
Antarctica/DumontDUrville
Antarctica/Syowa
Antarctica/Vostok
Antarctica/Rothera
Antarctica/Palmer
Antarctica/McMurdo
Antarctica/South_Pole
endef
antarctica-zones := $(subst $(nl), ,$(antarctica-zones))
ifdef antarctica-zones
$(addprefix $(dir $(inst_zonedir))zone%/right/,$(antarctica-zones)): \
antarctica $(objpfx)zic leapseconds yearistype
	$(tzcompile)
$(addprefix $(dir $(inst_zonedir))zone%/posix/,$(antarctica-zones)): \
antarctica $(objpfx)zic /dev/null yearistype
	$(tzcompile)
$(addprefix $(dir $(inst_zonedir))zone%/,$(antarctica-zones)): \
antarctica $(objpfx)zic $(leapseconds) yearistype
	$(tzcompile)
endif
zonenames := $(zonenames) $(antarctica-zones)