#*******************************************************************************
# Gaoyang3513 All Right Reserved.
# Author       :
# Version      : V1.0.0  202x.xx.xx
# Description  :
# Note         : gaoyang3513@163.com     Createe        202x.xx.xx
#*******************************************************************************

#*******************************************************************************
# Path information
#*******************************************************************************
LOCAL_DIR    := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
KERNEL_DIR   ?= $(realpath $(LOCAL_DIR)/../../../kernel)

# Subdirectory
OUTPUT_DIR   := $(LOCAL_DIR)/output
INSTALL_DIR  ?= $(LOCAL_DIR)/__install
#$(info Output directoty : $(OUTPUT_DIR))
#$(info Install directoty: $(INSTALL_DIR))

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

#*******************************************************************************
# Compile configure
#*******************************************************************************
CC            := $(CROSS_COMPILE)gcc
LD            := $(CROSS_COMPILE)ld
AR            := $(CROSS_COMPILE)ar
STRIP         := $(CROSS_COMPILE)strip

export ARCH CROSS_COMPILE
#*******************************************************************************
# Targets
#*******************************************************************************
.PHONY: init all clean install

ifeq ($(KERNELRELEASE),)
all: init
	@$(MAKE) modules         -C $(KERNEL_DIR) M=$(LOCAL_DIR) -j$(MULTI_CORES)
	@$(MAKE) modules_install -C $(KERNEL_DIR) M=$(LOCAL_DIR) INSTALL_MOD_PATH=$(KERNEL_DIR)/_install_modules INSTALL_MOD_DIR=private

clean:
	@for sub in $(SUB_DIRS); do \
		$(MAKE) clean -C $$sub || exit "$$?"; \
	done;
#       Directory
	@if [ -d $(LOCAL_DIR)/output        ]; then rm -rf $(LOCAL_DIR)/output;        fi;
	@if [ -d $(LOCAL_DIR)/__install     ]; then rm -rf $(LOCAL_DIR)/__install;     fi;
	@if [ -d $(LOCAL_DIR)/.tmp_versions ]; then rm -rf $(LOCAL_DIR)/.tmp_versions; fi;
#       File
	@for f in {Module.symvers,modules.order}; do \
		if [ -e $$f ]; then rm -rf $$f; fi; \
	done

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

init:
	@mkdir -p $(OUTPUT_DIR);

else
# called from kernel build system: just declare what our modules are
obj-$(CONFIG_TESTING_PSTORE) += test_ps.o



endif # ifeq ($(KERNELRELEASE),)