The--SDK of OpenWrt development

In order to achieve their own writing a program packaged into IPK, and able to run on openwrt purposes. I found some information on the Internet.

My reference is: How to do the development on the OpenWrt

Thank the Netizen's patient answer. Although there are ready-made steps, bloggers prefer to practice it yourself and write down their own practice process.

First step: Build the SDK

Make Menuconfig Select "Build the OpenWRT SDK"

In the trunk directory, do the following:

$ make Menuconfig

Select the corresponding "Target System" with "target profile" and choose "Build the OpenWrt SDK".

Then Save, exit. Make one more time.

$ make v=99

After make is complete, the SDK's compressed file is generated in the bin/ar71xx/directory:

openwrt-sdk-ar71xx-generic_gcc-4.8-linaro_uclibc-0.9.33.2.linux-i686.tar.bz2

Step Two: Install the SDK

The openwrt-sdk-ar71xx-generic_gcc-4.8-linaro_uclibc-0.9.33.2.linux-i686.tar.bz2 generated above is Copy it to another path (meaning it can not be in the OpenWrt source path), and then extract it.

For example, I put it under the ~/workspace/openwrt/path:

$ CP bin/ar71xx/openwrt-sdk-ar71xx-generic_gcc-4.8-linaro_uclibc-0.9.33.2.linux-i686.tar.bz2 ~/Workspace/OpenWRT$ CD ~/workspace/openwrt$ tar jxvf openwrt-sdk-ar71xx-generic_gcc-4.8-linaro_uclibc-0.9.33.2.linux-i686.tar.bz2

The openwrt-sdk-ar71xx-generic_gcc-4.8-linaro_uclibc-0.9.33.2.linux-i686 directory is generated under the ~/workspace/openwrt/path.

It is said that this directory structure is similar to the OPENWRT source directory structure.

Step three: Create a project program

In fact, this can be any of the programs we want to join, libraries and so on. Here, take Helloword as an example.

Under any path, create a Helloword project. For example, this is still under the ~/workspace/opewrt directory.

$ cd ~/workspace/openwrt$ mkdir helloword$ cd helloword$ touch helloword.c Makefile

The Helloword directory is created under the ~/workspace/openwrt/directory and generates HELLOWORD.C and makefile files.

The following are the contents of HELLOWORLD.C:

#include <stdio.h>int main () {printf ("This is my Hello word!\n"); return 0;}

Content of Makefile:

HELLOWORLD:HELLOWORLD.O $ (CC) $ (ldflags) Helloworld.o-o HELLOWORLDHELLOWORLD.O:HELLOWORLD.C $ (cc) $ (CFLAGS)-C HELLOWORLD.CCLEAN:RM *.O HelloWorld

First, make sure that the program is OK, and that it can be properly compiled locally. In order to test, you can make a bit in-place to see if the program itself has problems.

This program is simple, I made a bit, OK, then run a bit, normal.

Fourth Step: Add the project to OpenWrt's packages

Tomorrow continues ~

The--SDK of OpenWrt development