Added simple Makefile which encapsulates the full build process.

src/Makefile

@@ -0,0 +1,31 @@
+# This is very simple Makefile which encapsulates the build
+# process of "Minimal Linux Live". Type the following command
+# for additional information:
+#
+# make help
+
+.DEFAULT_GOAL := help
+
+all: clean
+	@time sh build_minimal_linux_live.sh
+
+clean:
+	@rm -rf source
+	@rm -rf work
+	@rm -f minimal_linux_live.iso
+
+emulator:
+	@if [ ! -f ./minimal_linux_live.iso ]; then echo "ISO image \"minimal_linux_live.iso\" not found."; exit 1; fi
+	@if [ "$(shell uname -m)" = "x86_64" ]; then sh qemu64.sh; else sh qemu32.sh; fi
+
+help:
+	@echo ""
+	@echo "    make all          clean the workspace and then generate \"minimal_linux_live.iso\""
+	@echo ""
+	@echo "    make clean        remove all generated files"
+	@echo ""
+	@echo "    make emulator     run \"Minimal Linux Live\" in qemu"
+	@echo ""
+	@echo "    make help         this is the default target"
+	@echo ""
+