#default: BRacopos_vfd
default: show

MODINC := $(shell ./find-modinc)
BINDIR := $(shell ./find-bindir)

ifeq "$(MODINC)" ""
#was: $(error Required files for building components not present.  Install emc2-dev)
$(error Required files for building components not present.  Install linuxcnc-dev)
endif
include $(MODINC)
EMC2_HOME = /usr/share/linuxcnc
ifeq ($(RUN_IN_PLACE),no)
EXTRA_CFLAGS += -I$(EMC2_HOME)/include/linuxcnc
LIBDIR := $(shell ./find-libdir)
ifeq "$(LIBDIR)" ""
$(error LIBDIR not found)
endif
endif

CFLAGS := $(EXTRA_CFLAGS) -URTAPI -U__MODULE__ -DULAPI -Os
CFLAGS += $(shell pkg-config --cflags glib-2.0)
# was: LFLAGS := -Wl,-rpath,$(LIBDIR) -L$(LIBDIR) -lemchal
LFLAGS := -Wl,-rpath,$(LIBDIR) -L$(LIBDIR) -llinuxcnchal
LFLAGS += $(shell pkg-config --libs glib-2.0)

include .o/BRacopos_vfd.d .o/modbus.d

show:
	@echo "________________________________________________"
	@echo "RUN_IN_PLACE=$(RUN_IN_PLACE)"
	@echo "MODINC=$(MODINC)"
	@echo "BINDIR=$(BINDIR)"
	@echo "LIBDIR=$(LIBDIR)"
	@echo "CFLAGS=$(CFLAGS)"
	@echo "LFLAGS=$(LFLAGS)"
	@echo ""
	@echo "Now try:  make BRacopos_vfd"
	@echo "then:     make install"
	@echo "________________________________________________"

install: BRacopos_vfd
	@echo "Installing in $(BINDIR)"
	cp BRacopos_vfd $(BINDIR)

BRacopos_vfd: .o/BRacopos_vfd.o .o/modbus.o
	$(CC) -o $@ $^ $(LFLAGS)

.o/%.o: %.c
	mkdir -p .o
	$(CC) $(CFLAGS) -o $@ -c $<

.o/%.d: %.c
	mkdir -p .o
	$(CC) $(CFLAGS) -MM -MT "$@ $(patsubst %.d,%.o,$@)" $< -o $@.tmp \
	    && mv $@.tmp $@

clean:
	-rm -f BRacopos_vfd
	-rm -rf .o