#
# Makefile
#

include Makefile.conf

ARNAME       = $(notdir $(CURDIR)).a

SUBDIRS     := $(wildcard */.)
SUBDIRS     := $(foreach dir,$(SUBDIRS),$(subst /.,,$(dir)))
FILTER       = doc%
SUBDIRS     := $(filter-out $(FILTER),$(SUBDIRS))
SUBDIRARS    = $(foreach dir,$(SUBDIRS),$(dir)/$(dir).a)

LOCALSOURCES = $(wildcard *.cpp *.cc)
SOURCES      = $(wildcard *.cpp */*.cpp */*/*.cpp */*/*/*.cpp)
LOCALOBJECT_ = $(LOCALSOURCES:.cpp=.o)
LOCALOBJECTS = $(LOCALOBJECT_:.cc=.o)
OBJECTS      = $(SOURCES:.cpp=.o)
LOCALDEPENDS = $(LOCALOBJECTS:.o=.d)
DEPENDS      = $(OBJECTS:.o=.d)
TARGETS      =

-include Makefile.target

artifacts: $(SUBDIRS) $(LOCALOBJECTS)

ifneq ($(MAKECMDGOALS),clean)
-include $(LOCALDEPENDS)
endif

%.d: %.cpp
	@echo [MM] $@
	@$(CC) $(CFLAGS) $< -MM -MT $(@:.d=.o) >$@

%.o: %.cpp
	@echo [CC] $@
	@nice -n 19 $(CC) -c $(CFLAGS) $< -o $@

%.d: %.cc
	@echo [MM] $@
	@$(CC) $(CFLAGS) $< -MM -MT $(@:.d=.o) >$@

%.o: %.cc
	@echo [CC] $@
	@nice -n 19 $(CC) -c $(CFLAGS) $< -o $@

$(ARNAME): $(SUBDIRS) $(LOCALOBJECTS)
	@echo [AR] $@
	@nice -n 19 $(AR) rcuT $@ $(LOCALOBJECTS) $(SUBDIRARS)

$(OBJECTS): | $(SUBDIRS)

.PHONY: $(SUBDIRS)
$(SUBDIRS):
	@$(MAKE) -S -C $@ artifacts

.PHONY: all
all: $(TARGETS)

.PHONY: clean
clean:
	@for dir in $(SUBDIRS); do \
		$(MAKE) -S -C $$dir $@; \
	done
	@rm -f $(LOCALOBJECTS) $(LOCALDEPENDS) $(ARNAME) $(TARGETS) || true