[Buildroot] [BUILDROOT] Add a text file on "/tmp" directory during img compilation
Baruch Siach
baruch at tkos.co.il
Tue Feb 14 16:01:23 UTC 2017
Hi Grant, Thierry,
On Tue, Feb 14, 2017 at 03:17:46PM +0000, Grant Edwards wrote:
> On 2017-02-14, <thierry.xenomai43 at yahoo.com> <thierry.xenomai43 at yahoo.com> wrote:
> > I would like to add a text files and bin files on "/tmp" directory
> > during the image making.
>
> https://buildroot.org/downloads/manual/manual.html#rootfs-custom
>
> You can configure buildroot to run a script after the root tree is
> done but but before the final image is created by setting the
> BR2_ROOTFS_POST_BUILD_SCRIPT option. Look under
>
> System Configuration
> Custom scripts to run before creating filesystem images
>
> In that script you can add/delete/remove files from the tree.
>
> If all you want to do is add files, you can use the BR2_ROOTFS_OVERLAY
> option to point to a tree that is copied on top of the target tree.
That won't work with the default Buildroot configuration, since tmpfs is
mounted over /tmp. You need to supply your own skeleton if you want to
override this. See 'System configuration' -> 'Root FS skeleton' in menuconfig.
baruch
--
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