@@ -1,7 +1,49 @@
-export OUT=$(PWD)/out
-export TARGET=x86.lin.64
+export OUT = $(PWD)/out
+
+export ARCH = x86
+export OS = lin
+export BITS = 64
+
+export TARGET = $(ARCH).$(OS).$(BITS)
+
+moddirs = $(wildcard k*)
+modules = $(moddirs:k%=%)
+headers = $(moddirs:k%=$(OUT)/k/%.h)
+objects = $(modules:%=$(OUT)/k%.o)
+makefiles = $(moddirs:%=%/makefile)
+
+binaries = $(wildcard */exe.*.c)
+binmods = $(sort $(dir $(binaries)))
+
+all: obj defs tool
+obj: $(moddirs:%=%.obj)
+defs: $(headers)
+tool: $(binmods:%=%.tool)
+
+lists = moddirs modules headers objects makefiles binaries binmods
+dbg:
+	@echo -e lists: $(foreach var, $(lists), "\\n - \\e[1m$(var)\\e[m = $($(var))")
+
+%.obj: %/makefile $(OUT)
+	cd $* && $(MAKE) obj
+
+%.tool: %/makefile $(OUT)
+	cd $* && $(MAKE) tool
+
+%.dbg: %/makefile $(OUT)
+	cd $* && $(MAKE) dbg
+
+$(OUT)/libk.so: mods $(OUT)
+	$(CC) -shared -o $@ $(objects)
+
+$(OUT)/libk.a: mods $(OUT)
+	# using `ar c` and ranlib here instead of
+	# `ar cs` in case `ar` isn't the GNU version
+	ar c $@ $(objects)
+	ranlib $@
 
-all: kio
+$(OUT)/k/%.h: k%/makefile $(OUT)/k
+	cd k$* && $(MAKE) $@
 
-$(OUT)/kio.o:
-	cd kio && make kio
+$(OUT) $(OUT)/k:
+	mkdir -p $@