[Buildroot] [PATCH RFC] Makefile: from a defconfig file, point to the corresponding board/ entry

Jérôme Pouiller jezz at sysmic.org
Fri Nov 28 08:52:27 UTC 2014


Hello Yann,

On Thursday 27 November 2014 18:46:28 Yann E. MORIN wrote:
> Jérôme, All,
> 
> On 2014-11-27 11:26 +0100, Jérôme Pouiller spake thusly:
> > On Thursday 27 November 2014 00:13:55 Yann E. MORIN wrote:
> > > This is an RFC!
> > > 
> > > When configuring Buildroot from a defconfig files, soem users complain
> > > it is non-obvious that the corresponding board documentattion is to be
> > > found in the board/ sub-directory.
> > > 
> > > So, deduce the board name from the defconfig file, look for a similarly
> > > named sub-dir of board (first level only), and if such a directory
> > > exists, print a message stating extra documentation for that board is to
> > > be found there.
> > 
> > What about introducing a BR2_BOARD_DIR configuration variable? This
> > variable> 
> > would have two functions:
> >    - May be used to locate other files (configs, overlays, etc...)
> >    - If defined, a help message is displayed when this defconfig is
> >    loaded.
> 
> The problem with using a Kconfig string variable is that Kconfig strgings
> that have no prompt can only take their default value, as defined in
> Config.in; if there is no default value, then the string option is not
> even stored in the .config file.
Why should we hide this configuration variable?


-- 
Jérôme Pouiller, Sysmic
Embedded Linux specialist
http://www.sysmic.fr


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