Add Makefile targets to build rootfs tarballs and Docker images with cleaning support

Makefile

@@ -0,0 +1,20 @@
+OCITOOL=docker
+BUILDDIR=$(shell pwd)/build
+OUTPUTDIR=$(shell pwd)/output
+
+.PHONY: clean
+clean:
+	rm -rf $(BUILDDIR) $(OUTPUTDIR)
+
+.PRECIOUS: $(OUTPUTDIR)/%.tar.zst
+$(OUTPUTDIR)/%.tar.zst:
+	scripts/make-rootfs.sh $(*) $(BUILDDIR) $(OUTPUTDIR)
+
+.PRECIOUS: $(OUTPUTDIR)/Dockerfile.%
+$(OUTPUTDIR)/Dockerfile.%: $(OUTPUTDIR)/%.tar.zst
+	scripts/make-dockerfile.sh "$(*).tar.zst" $(*) $(OUTPUTDIR) "true" "Dev"
+
+
+all: image-base image-base-devel image-multilib-devel
+image-%: $(OUTPUTDIR)/Dockerfile.%
+	${OCITOOL} build -f $(OUTPUTDIR)/Dockerfile.$(*) -t parchlinux/parchlinux:$(*) $(OUTPUTDIR)