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Move all to deprecated folder.

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NADAL Jean-Baptiste
2016-11-16 21:57:57 +01:00
parent 01738a7684
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deprecated/firmware/buildroot/docs/manual/customize-device-permission-tables.txt Normal file
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// -*- mode:doc; -*-
// vim: set syntax=asciidoc:
[[customize-device-permission]]
==== Setting file permissions and ownership and adding custom devices nodes
Sometimes it is needed to set specific permissions or ownership on files
or device nodes. For example, certain files may need to be owned by
root. Since the post-build scripts are not run as root, you cannot do
such changes from there unless you use an explicit fakeroot from the
post-build script.
Instead, Buildroot provides support for so-called _permission tables_.
To use this feature, set config option +BR2_ROOTFS_DEVICE_TABLE+ to a
space-separated list of permission tables, regular text files following
the xref:makedev-syntax[makedev syntax].
If you are using a static device table (i.e. not using +devtmpfs+,
+mdev+, or +(e)udev+) then you can add device nodes using the same
syntax, in so-called _device tables_. To use this feature, set config
option +BR2_ROOTFS_STATIC_DEVICE_TABLE+ to a space-separated list of
device tables.
As shown in xref:customize-dir-structure[], the recommended location for
such files is +board/<company>/<boardname>/+.
It should be noted that if the specific permissions or device nodes are
related to a specific application, you should set variables
+FOO_PERMISSIONS+ and +FOO_DEVICES+ in the package's +.mk+ file instead
(see xref:generic-package-reference[]).