ROOT := $(abspath ../..)
include $(ROOT)/common.mk

NODE_BUILD    = $(BUILD)/node
MAIN_OBJ      = $(NODE_BUILD)/main.o
COMMON_OBJ    = $(BUILD)/common/error.o
MEDIA_OBJ     = $(BUILD)/media_ctrl/media_ctrl.o
V4L2_OBJ      = $(BUILD)/v4l2_ctrl/v4l2_ctrl.o
SERIAL_OBJ    = $(BUILD)/serial/serial.o
TRANSPORT_OBJ = $(BUILD)/transport/transport.o
DISCOVERY_OBJ = $(BUILD)/discovery/discovery.o
CONFIG_OBJ    = $(BUILD)/config/config.o
PROTOCOL_OBJ    = $(BUILD)/protocol/protocol.o
RECONCILER_OBJ  = $(BUILD)/reconciler/reconciler.o
INGEST_OBJ      = $(BUILD)/ingest/ingest.o
XORG_OBJ        = $(BUILD)/xorg/xorg.o

.PHONY: all clean

all: $(NODE_BUILD)/video-node

$(NODE_BUILD)/video-node: $(MAIN_OBJ) \
	$(COMMON_OBJ) $(MEDIA_OBJ) $(V4L2_OBJ) $(SERIAL_OBJ) \
	$(TRANSPORT_OBJ) $(DISCOVERY_OBJ) $(CONFIG_OBJ) $(PROTOCOL_OBJ) \
	$(RECONCILER_OBJ) $(INGEST_OBJ) $(XORG_OBJ)
	$(CC) $(CFLAGS) -o $@ $^ -lpthread $(PKG_LDFLAGS)

$(MAIN_OBJ): main.c | $(NODE_BUILD)
	$(CC) $(CFLAGS) $(DEPFLAGS) -c -o $@ $<

# 'force' ensures the sub-make is always invoked so it can check source timestamps itself.
.PHONY: force
$(COMMON_OBJ):    force ; $(MAKE) -C $(ROOT)/src/modules/common
$(MEDIA_OBJ):     force ; $(MAKE) -C $(ROOT)/src/modules/media_ctrl
$(V4L2_OBJ):      force ; $(MAKE) -C $(ROOT)/src/modules/v4l2_ctrl
$(SERIAL_OBJ):    force ; $(MAKE) -C $(ROOT)/src/modules/serial
$(TRANSPORT_OBJ): force ; $(MAKE) -C $(ROOT)/src/modules/transport
$(DISCOVERY_OBJ): force ; $(MAKE) -C $(ROOT)/src/modules/discovery
$(CONFIG_OBJ):    force ; $(MAKE) -C $(ROOT)/src/modules/config
$(PROTOCOL_OBJ):   force ; $(MAKE) -C $(ROOT)/src/modules/protocol
$(RECONCILER_OBJ): force ; $(MAKE) -C $(ROOT)/src/modules/reconciler
$(INGEST_OBJ):     force ; $(MAKE) -C $(ROOT)/src/modules/ingest
$(XORG_OBJ):       force ; $(MAKE) -C $(ROOT)/src/modules/xorg

$(NODE_BUILD):
	mkdir -p $@

clean:
	rm -f $(NODE_BUILD)/video-node $(MAIN_OBJ) $(NODE_BUILD)/main.d

-include $(NODE_BUILD)/main.d