packaging: Add a makefile to directly build Debian packages.

.gitignore

@@ -1,3 +1,4 @@
+.debbuild
 .deps
 .version
 .version.date

packaging/deb.mk

@@ -0,0 +1,56 @@
+DEBBUILD = .debbuild
+
+CORE_VERSION = $(shell cat .version 2> /dev/null)
+
+COREBUILD = $(DEBBUILD)/core-$(CORE_VERSION)
+
+.PHONY: all
+all: clean .version build
+
+.PHONY: clean
+clean:
+	rm -rf $(DEBBUILD)
+
+.PHONY: build
+build: changelog
+	cd $(COREBUILD) && dpkg-buildpackage -b -us -uc
+	@printf "\ndebian packages built in $(DEBBUILD)\n\n"
+
+.PHONY: changelog
+changelog: debian
+	echo "core ($(CORE_VERSION)-1) unstable; urgency=low" > $(COREBUILD)/debian/changelog.generated
+	echo "  * interim package generated from source" >> $(COREBUILD)/debian/changelog.generated
+	echo " -- CORE Developers <core-dev@pf.itd.nrl.navy.mil>  $$(date -R)" >> $(COREBUILD)/debian/changelog.generated
+	cd $(COREBUILD)/debian && \
+	    { test ! -L changelog && mv -f changelog changelog.save; } && \
+	    { test "$$(readlink changelog)" = "changelog.generated" || \
+	       ln -sf changelog.generated changelog; }
+
+.PHONY: debian
+debian: corebuild
+	cd $(COREBUILD) && ln -s packaging/deb debian
+
+.PHONY: corebuild
+corebuild: $(DEBBUILD) dist
+	tar -C $(DEBBUILD) -xzf core-$(CORE_VERSION).tar.gz
+
+.PHONY: dist
+dist: Makefile
+	$(MAKE) dist
+
+Makefile: configure
+	./configure
+
+configure: bootstrap.sh
+	./bootstrap.sh
+
+bootstrap.sh:
+	@printf "\nERROR: make must be called from the top-level directory:\n"
+	@printf "    make -f packaging/$(lastword $(MAKEFILE_LIST))\n\n"
+	@false
+
+.version: Makefile
+	$(MAKE) $@
+
+$(DEBBUILD):
+	mkdir -p $@