[Yocto RM] 4 - Source Directory Structure

4 Source directory structure

The source directory consists of many files 、 The directory and subdirectories consist of ; Knowing their location and content is an effective way to use Yocto The key to the project . This chapter introduces source directories and provides information about these files and directories .

Information on how to set up a local source directory on the development system , see also Yocto In the project development task manual “ location Yocto Project source file ” part .

Be careful
OpenEmbedded The build system does not support file or directory names that contain spaces . Make sure that the source directory you use does not contain the names of these types .

4.1 Top core components

This section describes Source directory Top level components of .

4.1.1 bitbake/

This directory contains a BitBake For easy use . This copy is usually associated with BitBake Currently stable in the project BitBake Versions match . Metadata interpreter BitBake Read Yocto Project metadata and run the tasks defined by that data . Failures are usually caused by errors in metadata , Rather than by BitBake self-induced .

When you run bitbake On command , Lord BitBake Executable file （ be located bitbake/bin/ Directory ） Will start . Get environment settings script （ namely oe-init-build-env） Will scripts/ and bitbake/bin/ Catalog （ In this order ） Put in shell Of PATH In the environment variables .

of BitBake For more information , see also BitBake User's Manual .

4.1.2 build/

This directory contains user profiles and OpenEmbedded Build the system in its standard configuration