November 2017
Intermediate to advanced
162 pages
4h 8m
English
book
Embedded Linux Development using Yocto Projects - Second Edition
by Otavio Salvador, Daiane Angolini
Content preview from Embedded Linux Development using Yocto Projects - Second Edition
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File inclusion
BitBake provides two directives for file inclusion: include and require.
With the first directive, include, BitBake attempts to insert the file at that location. If the path specified on the include line is a relative path, BitBake locates the first instance it can find within BBPATH. If the referenced file cannot be found, the parsing does not fail.
By contrast, the second directive, require, raises ParseError if the file to be included cannot be found. In all other aspects, it behaves just like the include directive.
The convention normally adopted in the Yocto Project is to use a .inc file to share common code between two or more recipe files.
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