tar -C $(WORK) -xvjf $(WORK)/glibc-$(GLIBC_VERSION).tar.bz2
cd $(WORK)/glibc-$(GLIBC_VERSION) && \
tar xvjf $(WORK)/glibc-ports-$(GLIBC_PORTS_VERSION).tar.bz2 && \
tar -C $(WORK) -xvjf $(WORK)/glibc-$(GLIBC_VERSION).tar.bz2
cd $(WORK)/glibc-$(GLIBC_VERSION) && \
tar xvjf $(WORK)/glibc-ports-$(GLIBC_PORTS_VERSION).tar.bz2 && \