CC ?= $(CROSS_COMPILE)gcc
RM := rm

PREFIX ?= /usr

CFLAGS := -O2 -Wall -c -fPIC

OUT_DIR := bin
OBJ_DIR := obj
API_DIR := Api

TARGET_LIB := $(PWD)/$(OUT_DIR)/libvl53l0x.so

INCLUDES = \
	-I$(PWD)/$(API_DIR)/core/inc \
	-I$(PWD)/platform/inc

VPATH = \
	$(PWD)/$(API_DIR)/core/src \
	$(PWD)/platform/src/

LIB_SRCS = \
	vl53l0x_api_calibration.c \
	vl53l0x_api_core.c \
	vl53l0x_api_ranging.c \
	vl53l0x_api_strings.c \
	vl53l0x_api.c \
	vl53l0x_platform.c

LIB_OBJS = $(LIB_SRCS:%.c=$(OBJ_DIR)/%.o)

.PHONY: all
all: ${TARGET_LIB}

$(TARGET_LIB): $(LIB_OBJS)
	mkdir -p $(dir $@)
	$(CC) -shared $^ $(INCLUDES) -lpthread -o $@

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

.PHONY: clean
clean:
	-${RM} -rf $(TARGET_LIB) $(LIB_OBJS)

.PHONY: install
install:
	install --directory $(PREFIX)/lib
	install $(TARGET_LIB) $(PREFIX)/lib
	install $(PWD)/$(API_DIR)/core/inc/vl53l0x_api.h $(PREFIX)/include/
	install $(PWD)/platform/inc/vl53l0x_platform.h $(PREFIX)/include/
	ldconfig -n $(PREFIX)/lib

.PHONY: uninstall
uninstall:
	$(RM) $(PREFIX)/lib/$(TARGET_LIB) \
		$(PREFIX)/include/vl53l0x_api.h \
		$(PREFIX)/include/vl53l0x_platform.h