openwrt添加自定义package APP
宁良平
openwrt 和 buildroot类似，添加自己的app应用程序，参照package里面的模板，建立自己的app
- 在目录openwrt/package/下，建立app文件夹，存放自己的应用，可仿照openwrt/package/utils/fbtest
eric@eric-PC:~/Documents/work/mt7628/openwrt/package/utils$ tree fbtest/
fbtest/
├── Makefile
└── src
├── fbtest.c
└── Makefile
1 directory, 3 files
- 新建应用helloword
eric@eric-PC:~/Documents/work/mt7628/openwrt/package/app$ ls -l
总用量 4
drwxr-xr-x 3 eric eric 4096 7月 13 16:56 helloword
eric@eric-PC:~/Documents/work/mt7628/openwrt/package/app$ tree helloword/
helloword/
├── Makefile
└── src
├── helloword.c
└── Makefile
1 directory, 3 files
- 顶层Makefile 供openwrt调用
Makefile：
#
# Copyright (C) 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:=helloword
PKG_RELEASE:=1.0
# PKG_INSTALL:=1 #是否调用src中的install
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
include $(INCLUDE_DIR)/package.mk
define Package/$(PKG_NAME)
SECTION:=app
CATEGORY:=app
TITLE:=test app
DEPENDS:= +libm +libpthread ##依赖库
endef
define Build/Configure
endef
define Package/$(PKG_NAME)/description
This package for test.
endef
# 屏蔽此处，则调用src下面的makefile
# define Build/Compile
# echo $(PKG_BUILD_DIR)
# $(MAKE) -C $(PKG_BUILD_DIR) \
# CC="$(TARGET_CC)" \
# CFLAGS="$(TARGET_CFLAGS) -Wall" \
# LDFLAGS="$(TARGET_LDFLAGS)"
# endef
define Package/$(PKG_NAME)/install
$(INSTALL_DIR) $(1)/usr/bin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/$(PKG_NAME) $(1)/usr/bin/
endef
$(eval $(call BuildPackage,$(PKG_NAME)))
- 生成文件链接index，并进行安装
./scripts/feeds update -i packages
./scripts/feeds install -a
- 生成链接后，tmp/.packageinfo中应该有如下信息
Source-Makefile: package/app/helloword/Makefile
Package: helloword
Version: 1
Depends: +libc +GCC_LIBSSP:libssp +USE_GLIBC:librt +USE_GLIBC:libpthread
Conflicts:
Menu-Depends:
Provides:
Section: app
Category: app
Repository: base
Title: test app
Maintainer:
Source:
Type: ipkg
Description: test app
@@
- src目录下，保存helloword源码文件及Makefile
helloword.c：
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <fcntl.h>
int main (int argc,char **argv){
printf("helloword\r\n");
return 0;
}
Makefile：
######################################
# eric
######################################
## 指定编译工具
# CC = mipsel-openwrt-linux-gcc
# CPP = mipsel-openwrt-linux-g++
# CC ?= "gcc"
RM = rm -rf
## 目标文件名称
TARGET := helloword
## 源文件路径(默认检索3层)
SRC_PATH := ./ #$(PKG_BUILD_DIR)
DIRS := $(shell find $(SRC_PATH) -maxdepth 3 -type d)
## 获取所有.c文件路径
SRCS += $(foreach dir, $(DIRS), $(wildcard $(dir)/*.c))
SRCPPS += $(foreach dir, $(DIRS), $(wildcard $(dir)/*.cpp))
## 所有对应目标文件
OBJS := $(SRCS:.c=.o) $(SRCPPS:.cpp=.o)
## 所有用到的库
LIBS := pthread m
## 指定头文件路径
INCLUDE_PATH := . $(DIRS)
## 指定库文件路径
LIB_PATH := /lib /usr/local/lib
## 编译参数初始化
CFLAGS += -g -O3 -pthread -fgnu89-inline #-Wall
## 加载头文件路径
CFLAGS += $(foreach dir, $(INCLUDE_PATH), -I$(dir))
# CFLAGS += `pkg-config --cflags --libs opencv`
# CXXFLAGS=
## 加载库文件路径
LDFLAGS += $(foreach libdir, $(LIB_PATH), -L$(libdir))
## 加载库文件
LDFLAGS += $(foreach lib, $(LIBS), -l$(lib))
.PHONY:all
all: $(TARGET)
$(TARGET) :$(OBJS)
@$(CC) $(CFLAGS) -o $@ $(OBJS) $(LDFLAGS)
@#$(RM) $(OBJS)
@echo =============================
@echo $(TARGET) ok
%.o : %.c
@echo $@...
@$(CC) -c $(CFLAGS) $< -o $@
%.o : %.cpp
@echo $@...
@$(CPP) -c $(CXXFLAGS) $< -o $@
# %.o : %.S
# $(CC) -c $(CFLAGS) $< -o $@
.PHONY:clean
clean:
$(RM) $(OBJS) $(TARGET)
- package单独编译helloword，顶层目录执行指令：
make package/app/helloword/compile
make[3]: Entering directory '/home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword'
helloword.o...
=============================
helloword ok
make[3]: Leaving directory '/home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword'
touch /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/.built
rm -rf /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/.pkgdir/helloword.installed /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/.pkgdir/helloword
mkdir -p /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/.pkgdir/helloword
install -d -m0755 /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/.pkgdir/helloword/usr/bin
install -m0755 /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/helloword /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/.pkgdir/helloword/usr/bin/
touch /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/.pkgdir/helloword.installed
mkdir -p /home/eric/Documents/openwrt_1907/staging_dir/target-mipsel_24kc_musl/root-ramips/stamp
SHELL= flock /home/eric/Documents/openwrt_1907/tmp/.root-copy.flock -c 'cp -fpR /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/.pkgdir/helloword/. /home/eric/Documents/openwrt_1907/staging_dir/target-mipsel_24kc_musl/root-ramips/'
touch /home/eric/Documents/openwrt_1907/staging_dir/target-mipsel_24kc_musl/root-ramips/stamp/.helloword_installed
mkdir -p /home/eric/Documents/openwrt_1907/bin/targets/ramips/mt76x8/packages /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/ipkg-mipsel_24kc/helloword/CONTROL /home/eric/Documents/openwrt_1907/staging_dir/target-mipsel_24kc_musl/pkginfo
install -d -m0755 /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/ipkg-mipsel_24kc/helloword/usr/bin
install -m0755 /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/helloword /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/ipkg-mipsel_24kc/helloword/usr/bin/
find /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/ipkg-mipsel_24kc/helloword -name 'CVS' -o -name '.svn' -o -name '.#*' -o -name '*~'| xargs -r rm -rf
export CROSS="mipsel-openwrt-linux-musl-" NO_RENAME=1 ; NM="mipsel-openwrt-linux-musl-nm" STRIP="/home/eric/Documents/openwrt_1907/staging_dir/host/bin/sstrip" STRIP_KMOD="/home/eric/Documents/openwrt_1907/scripts/strip-kmod.sh" PATCHELF="/home/eric/Documents/openwrt_1907/staging_dir/host/bin/patchelf" /home/eric/Documents/openwrt_1907/scripts/rstrip.sh /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/ipkg-mipsel_24kc/helloword
rstrip.sh: /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/ipkg-mipsel_24kc/helloword/usr/bin/helloword: executable
(cd /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/ipkg-mipsel_24kc/helloword/CONTROL; ( echo "$CONTROL"; printf "Description: "; echo "$DESCRIPTION" | sed -e 's,^[[:space:]]*, ,g'; ) > control; chmod 644 control; ( echo "#!/bin/sh"; echo "[ \"\${IPKG_NO_SCRIPT}\" = \"1\" ] && exit 0"; echo "[ -x "\${IPKG_INSTROOT}/lib/functions.sh" ] || exit 0"; echo ". \${IPKG_INSTROOT}/lib/functions.sh"; echo "default_postinst \$0 \$@"; ) > postinst; ( echo "#!/bin/sh"; echo "[ -x "\${IPKG_INSTROOT}/lib/functions.sh" ] || exit 0"; echo ". \${IPKG_INSTROOT}/lib/functions.sh"; echo "default_prerm \$0 \$@"; ) > prerm; chmod 0755 postinst prerm; )
install -d -m0755 /home/eric/Documents/openwrt_1907/bin/packages/mipsel_24kc/base
/home/eric/Documents/openwrt_1907/scripts/ipkg-build -c -o 0 -g 0 /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/ipkg-mipsel_24kc/helloword /home/eric/Documents/openwrt_1907/bin/packages/mipsel_24kc/base
Packaged contents of /home/eric/Documents/openwrt_1907/build_dir/target-mipsel_24kc_musl/helloword/ipkg-mipsel_24kc/helloword into /home/eric/Documents/openwrt_1907/bin/packages/mipsel_24kc/base/helloword_1.0_mipsel_24kc.ipk
echo "helloword" >> /home/eric/Documents/openwrt_1907/staging_dir/target-mipsel_24kc_musl/pkginfo/helloword.default.install
make[2]: Leaving directory '/home/eric/Documents/openwrt_1907/package/app/helloword'
- 编译完成后，bin/packages/mipsel_24kc/base下可看到对应的ipk文件生成
eric@eric-PC:~/Documents/work/mt7628/openwrt/bin/packages/mipsel_24kc/base$ ls *helloword* -l
-rw-r--r-- 1 eric eric 2570 7月 16 11:16 helloword_1_mipsel_24kc.ipk
- build_dir/target-mipsel_24kc_glibc/helloword目录下，也同样生成了可执行的helloword
eric@eric-PC:~/Documents/work/mt7628/openwrt/build_dir/target-mipsel_24kc_glibc/helloword$ tree
.
├── helloword
├── helloword.c
├── helloword.o
├── ipkg-mipsel_24kc
│ └── helloword
│ ├── CONTROL
│ │ ├── control
│ │ ├── postinst
│ │ └── prerm
│ └── usr
│ └── bin
│ └── helloword
└── Makefile
5 directories, 8 files
- 下面是openwrt官方Makefile模板，参考即可
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 $(call BuildPackage,helloworld))
如果源码已经用交叉编译器在宿主机上编译完成，则可直接将生成的可执行文件，安装在系统中。
例如app目录下mqttuser/files/ali是编译好的可执行文件。
eric@eric-PC:~/Documents/work/mt7628/openwrt/package/app$ tree
.
├── helloword
│ ├── Makefile
│ └── src
│ ├── helloword.c
│ └── Makefile
└── mqttuser
├── files
│ └── ali
└── Makefile
4 directories, 5 files
其中，Makefile文件内容：
#
# Copyright (C) 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:=mqttuser
PKG_RELEASE:=1
# PKG_INSTALL:=1
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
include $(INCLUDE_DIR)/package.mk
define Package/$(PKG_NAME)
SECTION:=app
CATEGORY:=app
TITLE:=mqtt user
DEPENDS:=
endef
# define Build/Configure
# mkdir -p $(PKG_BUILD_DIR)
# $(CP) ./files/ali $(PKG_BUILD_DIR)
# endef
define Build/Compile
$(CP) ./files/* $(PKG_BUILD_DIR)
# $(MAKE) -C $(PKG_BUILD_DIR) \
# CC="$(TARGET_CC)" \
# CFLAGS="$(TARGET_CFLAGS) -Wall" \
# LDFLAGS="$(TARGET_LDFLAGS)"
endef
define Package/$(PKG_NAME)/install
# $(INSTALL_DIR) $(1)/usr/lib
# $(INSTALL_BIN) $(PKG_BUILD_DIR)/uhttpd_lua.so $(1)/usr/lib/
$(INSTALL_DIR) $(1)/usr/bin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/ali $(1)/usr/bin
endef
$(eval $(call BuildPackage,$(PKG_NAME)))
以上，编译完成后，可执行文件ali，则自动放在usr/bin目录下！
仅此记录
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