+WEBFETCH := wget
+SHA1SUM := sha1sum
+
+ALL += libvirt
+libvirt-URL := ftp://libvirt.org/libvirt/libvirt-0.9.8.tar.gz
+libvirt-SHA1SUM := 09df699513af63b73444d776c2d02945dc9cee43
+libvirt := $(notdir $(libvirt-URL))
+
+all: $(ALL)
+.PHONY: all
+
+##############################
+define download_target
+$(1): $($(1))
+.PHONY: $($(1))
+$($(1)):
+ @if [ ! -e "$($(1))" ] ; then echo "$(WEBFETCH) $($(1)-URL)" ; $(WEBFETCH) $($(1)-URL) ; fi
+ @if [ ! -e "$($(1))" ] ; then echo "Could not download source file: $($(1)) does not exist" ; exit 1 ; fi
+ @if test "$$$$($(SHA1SUM) $($(1)) | awk '{print $$$$1}')" != "$($(1)-SHA1SUM)" ; then \
+ echo "sha1sum of the downloaded $($(1)) does not match the one from 'Makefile'" ; \
+ echo "Local copy: $$$$($(SHA1SUM) $($(1)))" ; \
+ echo "In Makefile: $($(1)-SHA1SUM)" ; \
+ false ; \
+ else \
+ ls -l $($(1)) ; \
+ fi
+endef
+
+$(eval $(call download_target,libvirt))
+
+sources: $(ALL)
+.PHONY: sources
+
+####################
+# default - overridden by the build
+SPECFILE = libvirt.spec
+
+PWD=$(shell pwd)
+PREPARCH ?= noarch
+RPMDIRDEFS = --define "_sourcedir $(PWD)" --define "_builddir $(PWD)" --define "_srcrpmdir $(PWD)" --define "_rpmdir $(PWD)"
+BUILDOPTS = --without polkit --without storage-disk --without storage-iscsi --without sasl --without xen --without qemu --with capng --with udev --define 'packager PlanetLab'
+
+trees: sources
+ rpmbuild $(RPMDIRDEFS) $(RPMDEFS) --nodeps -bp --target $(PREPARCH) $(SPECFILE)
+
+srpm: sources
+ rpmbuild $(RPMDIRDEFS) $(RPMDEFS) --nodeps -bs $(SPECFILE)
+
+TARGET ?= $(shell uname -m)
+rpm: sources
+ rpmbuild $(RPMDIRDEFS) $(RPMDEFS) --nodeps --target $(TARGET) $(BUILDOPTS) -bb $(SPECFILE)
+
+clean:
+ rm -f *.rpm *.tgz *.bz2 *.gz
+
+++%: varname=$(subst +,,$@)
+++%:
+ @echo "$(varname)=$($(varname))"
++%: varname=$(subst +,,$@)
++%:
+ @echo "$($(varname))"
+