TOPDIR ?= .
CURRENTDIR ?= .
DISTLIST ?= dist.list

-include $(TOPDIR)/config.mk

ifndef NODEPS

%.dep: %.c
	@echo Generating dependencies for $<
	@$(CC) $(CPPFLAGS) -M $< | \
	  sed 's/\($*\)\.o[ :]*/\1.o \1.dbg.o $@ : /g' > $@;

%.dep: %.cc
	@echo Generating dependencies for $<
	@echo ifndef NODEPS > $@
	@$(CXX) $(CPPFLAGS) -M $< | \
	  sed 's?$(notdir $*)\.o[ :]*?$*.o $*.dbg.o $@ : ?g' >> $@;
	@echo endif >> $@

endif

#%.o: %.rf Makefile $(TOPDIR)/config.mk
#	$(RFPC) $<

%.o: %.c Makefile $(TOPDIR)/config.mk
	$(CC) $(CPPFLAGS) $(WFLAGS) $(OFLAGS) $(CFLAGS) -c -o $@ $<

%.o: %.cc Makefile $(TOPDIR)/config.mk
	$(CXX) $(CPPFLAGS) $(WFLAGS) $(OFLAGS) $(CFLAGS) $(CXXFLAGS) -c -o $@ $<

%.dbg.o: %.c Makefile $(TOPDIR)/config.mk
	$(CC) $(CPPFLAGS) $(WFLAGS) $(DFLAGS) $(CFLAGS) -c -o $@ $<

%.dbg.o: %.cc Makefile $(TOPDIR)/config.mk
	$(CXX) $(CPPFLAGS) $(WFLAGS) $(DFLAGS) $(CFLAGS) $(CXXFLAGS) -c -o $@ $<

DO_SUBDIRS=$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) \
  TOPDIR=$(TOPDIR)/.. INSTALL_DIR=$(INSTALL_DIR) $@ \
  CURRENTDIR=$(CURRENTDIR)/$(dir) DISTNAME="$(DISTNAME)" \
  || exit 1; )

DO_SUBDIRS_NODEPS=$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) NODEPS=yes \
  TOPDIR=$(TOPDIR)/.. INSTALL_DIR=$(INSTALL_DIR) $@ \
  CURRENTDIR=$(CURRENTDIR)/$(dir) DISTNAME="$(DISTNAME)" \
  || exit 1; )

all::
	$(DO_SUBDIRS)

clean::
	$(DO_SUBDIRS_NODEPS)
	rm -f core

distclean:: clean
	$(DO_SUBDIRS_NODEPS)

dist::
	if [ -f "$(DISTLIST)" ]; then rm $(DISTLIST); fi
	$(DO_SUBDIRS)
	echo $(foreach file, $(DISTFILES), $(CURRENTDIR)/$(file)) \
          >>$(TOPDIR)/$(DISTLIST)

snapshot::
	if [ -f "$(DISTLIST)" ]; then rm $(DISTLIST); fi
	$(DO_SUBDIRS)
	echo $(foreach file, $(DISTFILES), $(CURRENTDIR)/$(file)) \
          >>$(TOPDIR)/$(DISTLIST)

check:: all
	$(DO_SUBDIRS)

docs:: all
	$(DO_SUBDIRS)

publish:: all
	$(DO_SUBDIRS)

install:: all
	$(DO_SUBDIRS)

uninstall::
	$(DO_SUBDIRS)

.PHONY: all check install uninstall clean dist snapshot distclean