# All Right Reserved.
# Author       : gaoyang3513@outlook.com
# Version      : V1.0.0  202x.01.01
# Description  :
# Note         :

# ---------------------------------------------------------------------------
# Path information
LOCAL_DIR   := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))

# Subdirectory
MODEL_CHAR  := $(LOCAL_DIR)/01-Char

# Output directories
OUTPUT_DIR  ?= $(LOCAL_DIR)/output
INSTALL_DIR ?= $(LOCAL_DIR)/_install

# ---------------------------------------------------------------------------
# Variables
MULTI_CORES ?= $(shell grep -c ^processor /proc/cpuinfo)

SUB_DIRS := 01-Char/ \
	    02-I2C/

# ---------------------------------------------------------------------------
# Compile configure

# ---------------------------------------------------------------------------
# Source and oject files
ifneq ($(KERNELRELEASE),)

obj-y := $(SUB_DIRS)

# ---------------------------------------------------------------------------
# Targets
else # KERNELRELEASE

ifneq ($(filter $(BOARD),mikv-Duo),)
KERNELDIR := ${HOME}/Source/10-CV1800/01-MilkDuo/02-Project/SDK_CV1800_BR2/linux_5.10/build/cv1800b_milkv_duo_sd
ROOTFS    := ${HOME}/nfs/rootfs
else
KERNELDIR ?= /lib/modules/$(shell uname -r)/build
endif

.PHONY:  all clean init

all: init
	@for sub in $(SUB_DIRS); do \
	        $(MAKE) -C $${sub}; \
	        $(MAKE) -C $${sub} install INSTALL_DIR=$(OUTPUT_DIR); \
	done;

clean:
	@for sub in $(SUB_DIRS); do \
	        $(MAKE) -C $${sub} clean; \
	done;
	@if [ -d $(LOCAL_DIR)/output   ]; then rm -rf $(LOCAL_DIR)/output;   fi;
	@if [ -d $(LOCAL_DIR)/_install ]; then rm -rf $(LOCAL_DIR)/_install; fi;

install:
	@mkdir -p $(INSTALL_DIR);
	@cp -arf $(OUTPUT_DIR)/. $(INSTALL_DIR);

init:
	@mkdir -p $(OUTPUT_DIR);

endif # KERNELRELEASE