openwrt - makefile¶

include $(TOPDIR)/rules.mk

# Name, version and release number
# The name and version of your package are used to define the variable to point to the build directory of your package: $(PKG_BUILD_DIR)
PKG_NAME:=helloworld
PKG_VERSION:=1.0
PKG_RELEASE:=1

# Source settings (i.e. where to find the source codes)
# This is a custom variable, used below
SOURCE_DIR:=/home/buildbot/helloworld

include $(INCLUDE_DIR)/package.mk

# Package definition; instructs on how and where our package will appear in the overall configuration menu ('make menuconfig')
define Package/helloworld
  SECTION:=examples
  CATEGORY:=Examples
  TITLE:=Hello, World!
endef

# Package description; a more verbose description on what our package does
define Package/helloworld/description
  A simple "Hello, world!" -application.
endef

# Package preparation instructions; create the build directory and copy the source code. 
# The last command is necessary to ensure our preparation instructions remain compatible with the patching system.
define Build/Prepare
        mkdir -p $(PKG_BUILD_DIR)
        cp $(SOURCE_DIR)/* $(PKG_BUILD_DIR)
        $(Build/Patch)
endef

# Package build instructions; invoke the target-specific compiler to first compile the source file, and then to link the file into the final executable
define Build/Compile
        $(TARGET_CC) $(TARGET_CFLAGS) -o $(PKG_BUILD_DIR)/helloworld.o -c $(PKG_BUILD_DIR)/helloworld.c
        $(TARGET_CC) $(TARGET_LDFLAGS) -o $(PKG_BUILD_DIR)/$1 $(PKG_BUILD_DIR)/helloworld.o
endef

# Package install instructions; create a directory inside the package to hold our executable, and then copy the executable we built previously into the folder
define Package/helloworld/install
        $(INSTALL_DIR) $(1)/usr/bin
        $(INSTALL_BIN) $(PKG_BUILD_DIR)/helloworld $(1)/usr/bin
endef

# This command is always the last, it uses the definitions and variables we give above in order to get the job done
$(eval $(call BuildPackage,helloworld))

if PACKAGE_pubmsg-g1-e-grapes

config PUBMSG_G1_E_GRAPES_DEBUG
        bool "Enable debug version build."
        default n
        help
           This option enables assert and gdb symbol.
           Disabled by default.

choice
        prompt "Firmware model selection"
        default PUBMSG_G1_E_GRAPES
        help
            Select the firmware model.

        config PUBMSG_G1_E_GRAPES
                bool "Yancy ESL g1-e-grapes"

        config PUBMSG_G1_D_PRO_ADVANCED
                bool "Yancy ESL g1-d-pro-advanced"

endchoice

endif

#
# Copyright (C) 2015 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:=pubmsg-g1-e-grapes

PKG_RELEASE:=1.0
PKG_LICENSE:=GPLv3
PKG_MAINTAINER:=Yancy

include $(INCLUDE_DIR)/package.mk
# 对于cmake-based的package，必须include cmake.mk，里面事先定义了一些函数
include $(INCLUDE_DIR)/cmake.mk

define Package/$(PKG_NAME)
  CATEGORY:=Thingoo
  DEPENDS:=+libmosquitto +liburcu  +libcurl +libuci  +libudev-fbsd +kmod-drv_regopt +liblzo +libevent2 +libevent2-pthreads
  TITLE:=Main program $(PKG_NAME)
  MENU:=1
  SUBMENU:=Grapes
endef

define Package/$(PKG_NAME)/description
  This package contains an main program to handle upstream and downstream
endef

# 调用上面提到的Config.in
define Package/$(PKG_NAME)/config
    source "$(SOURCE)/Config.in"
endef

define Build/Prepare
    mkdir -p $(PKG_BUILD_DIR)
    $(CP) ./src/*   $(PKG_BUILD_DIR)/
    $(CP) ./files/* $(PKG_BUILD_DIR)/
endef

TARGET_CFLAGS += $(if $(CONFIG_PUBMSG_G1_E_GRAPES_DEBUG), -ggdb3)
CMAKE_OPTIONS += $(if $(CONFIG_PUBMSG_G1_E_GRAPES_DEBUG),-DCMAKE_BUILD_TYPE=Debug)

# 如果在make menuconfig勾选相应的选项，追加到CMAKE_OPTIONS变量中
CMAKE_OPTIONS += $(if $(CONFIG_PUBMSG_G1_E_GRAPES),-DCONFIG_PUBMSG_G1_E_GRAPES=1)
CMAKE_OPTIONS += $(if $(CONFIG_PUBMSG_G1_D_PRO_ADVANCED),-DCONFIG_PUBMSG_G1_D_PRO_ADVANCED=1)

define Package/$(PKG_NAME)/install
    $(INSTALL_DIR) $(1)/usr/bin
    $(INSTALL_BIN) $(PKG_BUILD_DIR)/pubmsg     $(1)/usr/bin
    $(INSTALL_BIN) $(PKG_BUILD_DIR)/usr/bin/autopubmsg     $(1)/usr/bin
    $(INSTALL_DIR) $(1)/etc/init.d 
    $(INSTALL_BIN) $(PKG_BUILD_DIR)/etc/init.d/pubmsg $(1)/etc/init.d 
endef

define Package/$(PKG_NAME)/postinst
    #!/bin/sh  
        # check if we are on real system  
       if [ -z "$${IPKG_INSTROOT}" ]; then    
               echo "Enabling rc.d symlink for pubmsg" 
              chmod 777 /etc/init.d/pubmsg
             /etc/init.d/pubmsg enable  
       fi  
      exit 0
endef

define Package/$(PKG_NAME)/prerm
    #!/bin/sh  
        # check if we are on real system  
       if [ -z "$${IPKG_INSTROOT}" ]; then    
               echo "Removing rc.d symlink for pubMessage"    
                /etc/init.d/pubmsg disable  
        fi  
        exit 0 
endef


$(eval $(call BuildPackage,$(PKG_NAME)))

# vi package/network/utils/tcpdump/Makefile

#
# Copyright (C) 2007-2011 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:=tcpdump
PKG_VERSION:=4.9.3
PKG_RELEASE:=3

PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=http://www.tcpdump.org/release/
PKG_HASH:=2cd47cb3d460b6ff75f4a9940f594317ad456cfbf2bd2c8e5151e16559db6410

PKG_BUILD_PARALLEL:=1

PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
PKG_LICENSE:=BSD-3-Clause
PKG_CPE_ID:=cpe:/a:tcpdump:tcpdump

PKG_INSTALL:=1

include $(INCLUDE_DIR)/package.mk

define Package/tcpdump/default
  SECTION:=net
  CATEGORY:=Network
  DEPENDS:=+libpcap
  TITLE:=Network monitoring and data acquisition tool
  URL:=http://www.tcpdump.org/
endef

define Package/tcpdump
  $(Package/tcpdump/default)
  VARIANT:=full
# 全功能版
endef

define Package/tcpdump-mini
  $(Package/tcpdump/default)
  TITLE+= (minimal version)
  VARIANT:=mini
# 阉割版
endef

# CONFIGURE_ARGS变量是运行.configure传递进去的参数，你需要添加什么参数，直接在这个变量追加即可
CONFIGURE_ARGS += \
        --without-cap-ng \
        --without-crypto

ifeq ($(CONFIG_IPV6),y)
# 如果选择配置了IPV6，则在编译时使能ipv6
CONFIGURE_ARGS += \
        --enable-ipv6
endif

TARGET_CFLAGS += -ffunction-sections -fdata-sections
TARGET_LDFLAGS += -Wl,--gc-sections

CONFIGURE_VARS += \
        BUILD_CC="$(TARGET_CC)" \
        HOSTCC="$(HOSTCC)" \
        td_cv_buggygetaddrinfo="no" \
        ac_cv_linux_vers=$(LINUX_VERSION) \
        ac_cv_header_rpc_rpcent_h=no \
        ac_cv_lib_rpc_main=no \
        ac_cv_path_PCAP_CONFIG=""

MAKE_FLAGS :=

ifeq ($(BUILD_VARIANT),mini)
# 对于阉割版追加的变量
  TARGET_CFLAGS += -DTCPDUMP_MINI
  CONFIGURE_ARGS += --disable-smb
  MAKE_FLAGS += TCPDUMP_MINI=1
endif

MAKE_FLAGS += \
        CCOPT="$(TARGET_CFLAGS)" INCLS="-I. $(TARGET_CPPFLAGS)"

define Package/tcpdump/install
        $(INSTALL_DIR) $(1)/usr/sbin
        $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/tcpdump $(1)/usr/sbin/
endef

Package/tcpdump-mini/install = $(Package/tcpdump/install)

$(eval $(call BuildPackage,tcpdump))
$(eval $(call BuildPackage,tcpdump-mini))

#
# Copyright (C) 2011 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:=maccalc
PKG_RELEASE:=1
PKG_LICENSE:=GPL-2.0

PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)

include $(INCLUDE_DIR)/package.mk

define Package/maccalc
  SECTION:=utils
  CATEGORY:=Utilities
  TITLE:=MAC address calculation
endef

define Package/maccalc/description
 This package contains a MAC address manipulation utility.
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/maccalc/install
        $(INSTALL_DIR) $(1)/usr/sbin
        $(INSTALL_BIN) $(PKG_BUILD_DIR)/maccalc $(1)/usr/sbin/
endef

$(eval $(call BuildPackage,maccalc))