June 2017
Intermediate to advanced
478 pages
13h 14m
English
Content preview from Mastering Embedded Linux Programming - Second Edition
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Using LOCALVERSION to identify your kernel
You can discover the kernel version that you have built using the make kernelversion target:
$ make ARCH=arm kernelversion4.9.13
This is reported at runtime through the uname command, and is also used in naming the directory where kernel modules are stored.
If you change the configuration from the default, it is advisable to append your own version information, which you can configure by setting CONFIG_LOCALVERSION. As an example, if I wanted to mark the kernel I am building with the identifier melp and version 1.0, I would define the local version in menuconfig like this:
Running make kernelversion ...
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