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

[Tom Rini <trini@ti.com>]

On Wed, Aug 06, 2014 at 08:20:47AM -0600, Simon Glass wrote:
> Hi York,
> 
> On 5 August 2014 20:53, York Sun <yorksun@freescale.com> wrote:
> >
> >
> > On 8/5/14 7:15 PM, "Simon Glass" <sjg@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)'

-- 
Tom
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