[U-Boot] [PATCH v4 02/13] buildman: Add some notes about moving from MAKEALL

[Masahiro Yamada]

Hi.



On Thu, 7 Aug 2014 06:12:18 -0600
Simon Glass <sjg at chromium.org> wrote:

> Hi Tom, York,
> 
> On 6 August 2014 09:06, Tom Rini <trini at ti.com> wrote:
> > On Wed, Aug 06, 2014 at 08:20:47AM -0600, Simon Glass wrote:
> >> Hi York,
> >>
> >> On 5 August 2014 20:53, York Sun <yorksun at freescale.com> wrote:
> >> >
> >> >
> >> > On 8/5/14 7:15 PM, "Simon Glass" <sjg at chromium.org> wrote:
> >> >>>>
> >> >>>> But in this case why not just leave off the 'freescale'?
> >> >>>
> >> >>> This is just an example. What if I chose "-a arm" and "-v freescale".
> >> >>>ARM has
> >> >>> 300+ targets, but only 20+ are for Freescale. I could save time by
> >> >>>building a
> >> >>> lot less platforms.
> >> >>>
> >> >>> The point here is the "OR" logic.
> >> >>
> >> >>I suppose you could use mx6 or similar, but I take your point.
> >> >>
> >> >>So what could we do here? Perhaps add a --vendor flag to limit to a
> >> >>particular vendor? Would that be enough?
> >> >
> >> > With the ability to build targets for more than one arch, I will be
> >> > tempted to use syntax like this
> >> >
> >> > buildman (powerpc & freescale) (arm & freescale) aarch64
> >
> > Spaces outside of parens are implicit ORs here, so all
> > powerpc+freescale, all arm+freescale and all aarch64.  In the fullness
> > of time the last one might become all freescale+aarch64.  Bonus points
> > if we can easily write 'buildman ... ((powerpc|arm|aarch64) & freescale)'
> >
> > Thinking out loud, the problem is today we have | for OR but we don't
> > have an AND symbol.  I can do:
> > $ buildman 'arm|powerpc|aarch64'
> > Today and get what I want.  But I can't:
> > $ buildman '(powerpc&freescale)|(arm&freescale)'
> 
> OK I'll have a crack at this.
> 

I am afraid the requirement for buildman is getting too complicated.


> > $ buildman '(powerpc&freescale)|(arm&freescale)'

This feature completely depends on boards.cfg
but we want to completely break with it, don't we?

Grepping Kconfig for searching Freescale boards
is almost impossible, I think.

Maybe it is time to change our mind.
But I have no idea for the replacement.


Best Regards
Masahiro Yamada