XERCES_SERIES = 2
VERSION=2_8_0
TARFILE=xerces-c-src_$(VERSION).tar.gz
PWD := $(shell pwd)
export XERCESCROOT=$(PWD)/xerces-c-src_$(VERSION)

all: prod_link

prod_link: make_xerces
	   test -L prod || ln -s xerces-c-src_$(VERSION) prod # will not overwrite existing link 

make_xerces: $(XERCESCROOT)/.configure_done 
	$(MAKE) -C$(XERCESCROOT)/src/xercesc

$(XERCESCROOT)/.untar_done: $(TARFILE)
	tar zxf $(TARFILE)
	date > $@

$(XERCESCROOT)/.configure_done: $(XERCESCROOT)/.untar_done
	cd $(XERCESCROOT)/src/xercesc; ./runConfigure -plinux -cgcc -xg++ -minmem -nsocket -tnative -rpthread
	date > $@

$(TARFILE):
	wget http://apache.inetbridge.net/xerces/c/$(XERCES_SERIES)/sources/$(TARFILE)