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

-include $(TOPDIR)/config.mk

ifneq "$(NODEPS)" "yes"
DEPFILES=
DEPFILES+=$(patsubst %.c,%.dep,$(wildcard *.c))
DEPFILES+=$(patsubst %.cc,%.dep,$(wildcard *.cc))
endif

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

%.dep: %.cc
	$(CXX) $(CPPFLAGS) -M $< | \
	  sed 's/\($*\)\.o[ :]*/\1.o \1.dbg.o $@ : /g' > $@;

%.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) -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) -c -o $@ $<

DO_SUBDIRS=$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) \
  TOPDIR=$(TOPDIR)/.. INSTALL_DIR=$(INSTALL_DIR) $@ \
  || exit 1; )
DO_SUBDIRS_NODEPS=$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) \
  TOPDIR=$(TOPDIR)/.. CURRENTDIR=$(CURRENTDIR)/$(dir) \
  DISTNAME="$(DISTNAME)" \
  INSTALL_DIR=$(INSTALL_DIR) NODEPS=yes $@ \
  || 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_NODEPS)
	echo $(foreach file, $(DISTFILES), $(CURRENTDIR)/$(file)) \
          >>$(TOPDIR)/$(DISTLIST)

snapshot::
	if [ -f "$(DISTLIST)" ]; then rm $(DISTLIST); fi
	$(DO_SUBDIRS_NODEPS)
	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

ifneq "$(DEPFILES)" ""
-include $(DEPFILES)
endif