Makefile

# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
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#    conditions and the following disclaimer.
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LITEOSTOPDIR = $(shell pwd)/../

include $(LITEOSTOPDIR)/.config
include ./config.mk
include ./module.mk

HIDE := @
APPS := app

all: $(APPS)

# Make
$(APPS): 
ifneq ($(APP_SUBDIRS), ) #进入子目录下,执行 make命令,APP_SUBDIRS由 module.mk 指定
	$(HIDE) for dir in $(APP_SUBDIRS); do $(MAKE) -C $$dir || exit 1; done
endif

clean:
ifneq ($(APP_SUBDIRS), ) #进入子目录下,执行 make clean 命令
	$(HIDE) for dir in $(APP_SUBDIRS); do $(MAKE) -C $$dir clean; done
endif

.PHONY: all $(APPS) clean