hello word 应用程序的编写

1、各类文件的书写

src中的文件：

hello文件夹中的Makefile文件

#
# Copyright (C) 2010-2012 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=hello
PKG_VERSION:=1
PKG_RELEASE:=1
include $(INCLUDE_DIR)/package.mk
define Package/hello
SECTION:=utils
CATEGORY:=Utilities
TITLE:=hello 
MAINTAINER:=tingpan
PKGARCH:=all
endef
define Package/hello/description
hello world!
endef
define Build/Prepare
mkdir -p $(PKG_BUILD_DIR)
$(CP) ./src/* $(PKG_BUILD_DIR)/
endef
define Build/Configure
endef
define Build/Compile
$(MAKE) -C $(PKG_BUILD_DIR) 
CC="$(TARGET_CC)" 
CFLAGS="$(TARGET_CFLAGS) -Wall" 
LDFLAGS="$(TARGET_LDFLAGS)"
endef
define Package/hello/install
$(INSTALL_DIR) $(1)/usr/sbin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/hello $(1)/usr/sbin/
endef
$(eval $(call BuildPackage,hello))