commit cf203e51a4e47f71d9d7a95791090dcdf41637db
Author: Harald Wolff <harald@das-wolff-rudel.de>
Date:   Wed Sep 27 12:03:10 2017 +0200

    Initial Commit

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..86cb98b
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,171 @@
+
+reverse = $(if $(1),$(call reverse,$(wordlist 2,$(words $(1)),$(1)))) $(firstword $(1))
+
+ifeq (,$(BASE))
+	export BASE=$(CURDIR)
+endif
+
+
+include $(BASE)/Makefile
+
+
+ifeq (,$(MAKEBASE))
+	export MAKEBASE=$(realpath $(firstword $(MAKEFILE_LIST)))
+else
+	ifneq (,$(wildcard $(BASE)/.depends.make))
+		include $(wildcard $(BASE)/.depends.make)
+
+		include $(realpath $(foreach CDEP,$(COMPDEPENDS),$(CDEP)/global.make))
+		
+		CDEPENDS=$(call reverse,$(COMPDEPENDS))
+		DEPINC=$(CDEPENDS:%=-I%/include)
+
+	endif
+endif
+
+ifeq (,$(FINALNAME))
+	FINALNAME=$(notdir $(CURDIR))
+endif
+
+ifeq (,$(BUILDPID))
+	export BUILDPID := $(shell echo $$PPID)
+endif
+
+MAKEME=$(MAKE) -f $(MAKEBASE)
+
+GCC=$(COMPILER_PREFIX)gcc
+AS=$(COMPILER_PREFIX)gcc
+LD=$(COMPILER_PREFIX)gcc
+AR=$(COMPILER_PREFIX)ar
+SIZE=$(COMPILER_PREFIX)size
+OBJCOPY=$(COMPILER_PREFIX)objcopy
+
+ifeq ($(BASE),$(CURDIR))
+	DEPLIBS:=$(foreach DEPLIB,$(CDEPENDS),$(BASE)/.build/libdep-$(subst /,_,$(DEPLIB).a))
+
+	MODULENAMES:=$(notdir $(basename $(wildcard $(CURDIR)/src/*)))
+	MODULES:=$(patsubst %,$(BASE)/.build/%.o,$(MODULENAMES))
+	MODULEDEPS:=$(patsubst %,$(BASE)/.build/.%.o.dep,$(MODULENAMES))
+
+else
+	include $(CURDIR)/Makefile
+	DEPENDSNEW=$(filter-out $(COMPDEPENDS),$(realpath $(DEPENDS)))
+
+	MODULENAMES:=$(notdir $(basename $(wildcard $(CURDIR)/src/*)))
+	MODULES:=$(patsubst %,$(BASE)/.build/libdep-$(subst /,_,$(CURDIR).a.d)/%.o,$(MODULENAMES))
+	MODULEDEPS:=$(patsubst %,$(BASE)/.build/.%.o.dep,$(MODULENAMES))
+
+endif
+
+
+CFLAGS+=$(DEPINC)
+CFLAGS+=-I$(CURDIR)/include
+
+LDFLAGS+=$(foreach DEP,$(CDEPENDS),$(BASE)/.build/libdep-$(subst /,_,$(DEP)).a)
+LDFLAGS+=$(foreach DEP,$(CDEPENDS),$(BASE)/.build/libdep-$(subst /,_,$(DEP)).a)
+
+
+.SILENT:
+.PHONY: clean build null dependslibs libdep.a
+
+null:
+
+clean:
+	rm -Rf $(BASE)/.build $(BASE)/src/.*.dep $(BASE)/bin $(BASE)/.depends.make
+
+build: $(BASE)/.depends.make
+	$(MAKEME) dependlibs
+	$(MAKEME) build-me
+
+dependlibs:
+	mkdir -p $(BASE)/.build
+	for SUBDIR in $(CDEPENDS); do $(MAKEME) -C $$SUBDIR libdep.a; done
+
+$(BASE)/.depends.make: $(BASE)/Makefile
+	echo "[ DEPSTART     ] $(CURDIR)"
+#	echo "-------------------------------------"
+#	echo "DEPENDS       = $(DEPENDS)"
+#	echo "COMPDEPENDS   = $(COMPDEPENDS)"
+#	echo "DEPENDSNEW    = $(DEPENDSNEW)"
+#	echo "-------------------------------------"
+
+	rm -f $@
+	for SUBDIR in $(realpath $(DEPENDS)); do $(MAKEME) -C "$$SUBDIR" depwalk; done	
+
+depwalk:
+	echo "[ DEPEND       ] $(CURDIR)"
+#	echo "-------------------------------------"
+#	echo "DEPENDS       = $(DEPENDS)"
+#	echo "COMPDEPENDS   = $(COMPDEPENDS)"
+#	echo "DEPENDSNEW    = $(DEPENDSNEW)"
+#	echo "-------------------------------------"
+	
+	echo "COMPDEPENDS+=$(CURDIR)" >> $(BASE)/.depends.make
+	for SUBDIR in $(DEPENDSNEW); do $(MAKEME) -C "$$SUBDIR" depwalk; done
+	
+	
+
+build-me:
+	$(MAKEME) $(BASE)/bin/$(FINALNAME).hex
+
+libdep.a: $(BASE)/.build/libdep-$(subst /,_,$(CURDIR)).a
+	
+$(BASE)/.build/libdep-$(subst /,_,$(CURDIR)).a.d:
+	mkdir -p $@
+
+$(BASE)/.build/libdep-$(subst /,_,$(CURDIR)).a: $(BASE)/.build/libdep-$(subst /,_,$(CURDIR)).a.d $(MODULES)
+	echo "[ LIBDEP       ] $(CURDIR)"
+	$(AR) rc $@ $(filter-out $(BASE)/.build/libdep-$(subst /,_,$(CURDIR)).a.d,$^)
+
+$(BASE)/.build/libdep-$(subst /,_,$(CURDIR)).a.d/%.o: $(CURDIR)/src/%.c
+	echo "[ COMPILE C    ] $<"
+	#echo "[ CFLAGS       ] $(CFLAGS)"
+	$(GCC) -c -o $@ $< -MMD -MF "$(dir $@)/.$(notdir $@).dep" $(CFLAGS)
+
+$(BASE)/.build/libdep-$(subst /,_,$(CURDIR)).a.d/%.o: $(CURDIR)/src/%.S
+	echo "[ ASSEMBLE     ] $<"
+	$(GCC) -c -o $@ $< $(ASFLAGS)
+
+$(BASE)/.build/libdep-$(subst /,_,$(CURDIR)).a.d/%.o: $(CURDIR)/src/%.cc
+	echo "[ COMPILE C++  ] $<"
+	$(GCC) -c -o $@ $< $(CFLAGS) $(CPPFLAGS)
+
+$(BASE)/.build/libdep-$(subst /,_,$(CURDIR)).a.d/%.o: $(CURDIR)/src/%.txt
+	echo "[ IGNORE       ] $<"
+	touch $@
+
+
+$(BASE)/bin/$(FINALNAME).elf: $(DEPLIBS) $(MODULES)
+	echo "[ LINK         ] $@"
+	mkdir -p $(dir $@)
+	$(LD) -o $@ $^ $(LDFLAGS)
+	$(SIZE) $@
+
+$(BASE)/bin/$(FINALNAME).hex: $(BASE)/bin/$(FINALNAME).elf
+	echo "[ ELF -> HEX   ] $@"
+	$(OBJCOPY) -O ihex $< $@
+	
+$(BASE)/.build/%.o: $(CURDIR)/src/%.c
+	echo "[ COMPILE C    ] $<"
+	$(GCC) -c -o $@ $< -MMD -MP -MF "$(dir $@)/.$(notdir $@).dep" $(CFLAGS)
+
+$(BASE)/.build/%.o: $(CURDIR)/src/%.S
+	echo "[ ASSEMBLE     ] $<"
+	$(GCC) -c -o $@ $< $(ASFLAGS)
+
+$(BASE)/.build/%.o: $(CURDIR)/src/%.cc
+	echo "[ COMPILE C++  ] $<"
+	$(GCC) -c -o $@ $< $(CFLAGS) $(CPPFLAGS)
+
+$(BASE)/.build/%.o: $(CURDIR)/src/%.txt
+	echo "[ IGNORE       ] $<"
+	touch $@
+
+
+$(BASE)/.build/.%.dep:
+
+
+
+include $(wildcard $(MODULEDEPS))
+
+
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..1d288f0
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# DEPMAKER
+
+A GNU MAKE Helper for building binaries with automatic dependency handling.