[U-Boot] buildman and multiple toolchains?

[Tom Rini <trini@konsulko.com>]

On Thu, Apr 23, 2015 at 01:22:55PM -0600, Simon Glass wrote:
>  Hi Tom,
> 
> On 23 April 2015 at 12:57, Tom Rini <trini@konsulko.com> wrote:
> > On Thu, Apr 23, 2015 at 12:44:12PM -0600, Simon Glass wrote:
> >> Hi Tom,
> >>
> >> On 23 April 2015 at 07:07, Tom Rini <trini@konsulko.com> wrote:
> >> > Hey,
> >> >
> >> > So I'm merging (or rather have merged and will push shortly) the ARMv7-M
> >> > support.  You can't build this with your normal arm-linux toolchain.  Is
> >> > there some way in buildman to be able to say, roughly:
> >> > [toolchain]
> >> > arm: /usr/bin/arm-linux-gnueabi
> >> > armnone: /usr/bin/arm-none-eabi
> >> >
> >> > [toolchain-alias]
> >> > stm32f429-discovery: armnone
> >> >
> >> > And have the 'arm' toolchain used normally for arm but 'armnone' used
> >> > for the stm32f429-discovery board?
> >>
> >> I don't see why not, or something similar. Are you asking for a patch? :-)
> >
> > Or a pointer to where to start hacking :)
> 
> The toolchain is selected in builderthread.py:
> 
>                     self.toolchain = self.builder.toolchains.Select(brd.arch)
> 
> brd is a Board object.
> 
> At present only the arch is passed in, but you could pass in
> brd.target if you like.
> 
> You'll then need to enhance toolchain.Select() to check for an alias
> for that target.

Ah, but the first problem is that I can't convince buildman that if I
have both /usr/bin/arm-linux-gnueabi-gcc and /usr/bin/arm-none-eabi-gcc
to let me set both "arm" and "armnone" to something.  Or even
/somewhere/else/bin/arm-linux-gnueabi-gcc and /usr/bin/arm-none-eabi-gcc
Where does that need beating up? :)

-- 
Tom
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