Eclipse plugin to integrate Buildroot toolchains with CDT
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README.md

README.md

Eclipse Buildroot Toolchain plugin

Introduction

This Eclipse plugin allows to integrate Buildroot project toolchains with Eclipse CDT.

Buildroot is a tool to build embedded Linux system using cross-compilation. It allows to build a cross-compilation toolchain (or re-use an existing one), a root filesystem image with applications and libraries, a kernel image and a bootloader image or any combination of these.

Since Buildroot generates a toolchain and install libraries and headers to develop applications for the target embedded system, it is desirable to easily access these toolchains from Eclipse CDT. Accessing those toolchains allows to build application for the target directly within Eclipse.

Usage

Once this plugin is installed in Eclipse, it will automatically make your Buildroot toolchains appear in the C/C++ Settings of your C/C++ projects.

In order for Buildroot toolchains to be visible, you must enable the BR2_ECLIPSE_REGISTER Buildroot option when building your project. The Eclipse plugin will then show all toolchains of Buildroot projects that had this option enabled.

This plugin is typically used with the Buildroot Eclipse bundle available, for which we provide detailled installation and usage instructions.

Implementation

When a Buildroot project is built with BR2_ECLIPSE_REGISTER, it adds a few information describing the generated toolchain into $HOME/.buildroot-eclipse.toolchains. The Eclipse plugin reads this file, and then creates the necessary objects in Eclipse to make these toolchains usable for C/C++ projects.

This plugin has been developed by re-using code from the Eclipse Blackfin plugin and the GNU ARM Eclipse plugin. Compared to these plugins, the Buildroot Eclipse plugin is much more dynamic: it allows to dynamically register an arbitrary number of toolchains.

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