#!/usr/bin/make -f

DIR:=$(shell pwd)

arch=$(shell dpkg --print-architecture)
cidir=debian/tmp/DEBIAN

build:
	$(checkdir)
	./configure --prefix=/usr
	$(MAKE)
	touch build

clean:
	$(checkdir)
	-rm -f build
	-$(MAKE) -i distclean || $(MAKE) -f Makefile.in -i distclean
	-rm -rf debian/tmp* *~ *.orig ./#*# tmp.* debian/files*
	-rm -f config.cache config.status config.h install config.log
	find -name '*~' -print0 | xargs -r0 rm --

binary:	checkroot build
	-rm -rf debian/tmp
	install -d debian/tmp debian/tmp/DEBIAN
	install -d debian/tmp/usr/doc/{copyright,dpkg}
	set -e; if [ $(arch) = i386 ]; then \
		dpkg-gencontrol -Vlibcver=' (>= 5.2.18-2)' >$(cidir)/control ; \
		sed -e 's/^# i386elf: //' <debian/preinst >$(cidir)/preinst ; \
	else \
		dpkg-gencontrol -Vlibcver='' >$(cidir)/control ; \
		sed -e '/^# i386elf: /d' debian/preinst >$(cidir)/preinst ; \
	fi
	cp debian/{prerm,postinst} debian/tmp/DEBIAN/.
	chmod +x debian/tmp/DEBIAN/{postinst,prerm,preinst}
	$(MAKE) prefix=$(DIR)/debian/tmp/usr \
		datadir=$(DIR)/debian/tmp/var/lib/dpkg \
		etcdir=$(DIR)/debian/tmp/etc \
		install
	cp debian/copyright debian/tmp/usr/doc/copyright/dpkg
	cp TODO debian/tmp/usr/doc/dpkg/WISHLIST
	touch debian/tmp/var/lib/dpkg/{status,available}
	chown -R root.root debian/tmp
	chmod -R g-ws debian/tmp
	set -e; cd debian/tmp; \
	 version=`sed -n 's/^Version: //p' DEBIAN/control`; \
	 file=dpkg_$${version}_$(arch).nondebbin.tar; \
	 tar cf ../../../$${file} usr var && gzip -9vf ../../../$${file}; \
	 cd ../..; dpkg-distaddfile $${file}.gz byhand -
	mv debian/tmp/usr/bin/dpkg-deb{,.dist}
	rm debian/tmp/var/lib/dpkg/{status,available}
	dpkg-deb --build debian/tmp ..

define checkdir
	test -f include/dpkg.h
endef

checkroot:
	$(checkdir)
	test root = "`whoami`"

.PHONY: binary source diff clean checkroot