# 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

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

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

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

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

obj-m := i2c_static.o

# ---------------------------------------------------------------------------
# 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:
	@$(MAKE) -C $(KERNELDIR) M=$(LOCAL_DIR) modules -j$(MULTI_CORES);

install:
	@$(MAKE) -C $(KERNELDIR) M=$(LOCAL_DIR) modules_install INSTALL_MOD_PATH=$(INSTALL_DIR)

clean:
	@rm -rf *.o *.ko .*.cmd *.mod* modules.order Module.symvers .tmp_versions
	@if [ -d $(LOCAL_DIR)/output   ]; then rm -rf $(LOCAL_DIR)/output;   fi;
	@if [ -d $(LOCAL_DIR)/_install ]; then rm -rf $(LOCAL_DIR)/_install; fi;

endif # KERNELRELEASE