[yocto] python3 on build host

[Gary Thomas]

On 2016-07-26 16:20, Burton, Ross wrote:
>
> On 26 July 2016 at 15:09, Gary Thomas <gary at mlbassoc.com <mailto:gary at mlbassoc.com>> wrote:
>
>     I have a build host that I've used for years.  It is not
>     possible to [directly] update python3 on this system to
>     one which is identified as suitable for use with bitbake.
>
>     To try and work around this, I created a meta-toolchain SDK
>     for my target.  I remember needing to do this years ago when
>     one of my boxes also became out of date.  Sadly, this process
>     has not led me to a solution.
>
>     First question: is this the proper way to solve this problem?
>     I simply can't update python3 on this box (I've tried), so I
>     need another solution so I can continue to use this workhorse.
>
>
> The buildtools-tarball is what you want: you can either build your own (bitbake buildtools-tarball) or just download the
> one we've built for you.  This looks like the right one:
>
> http://downloads.yoctoproject.org/releases/yocto/yocto-2.1/buildtools/poky-glibc-x86_64-buildtools-tarball-core2-64-buildtools-nativesdk-standalone-2.1.sh
>

Yes, this is just what I needed (except I had to build my own because my box is i686)

My bitbake build is now running and it looks like this will work for me.

Thanks

>     Second question: even if this is not the correct way to solve my initial problem
>     of providing a suitable python3 on my build host, shouldn't I be able to run
>     bitbake (or indeed any suitably complex python3 program) using the SDK I installed?
>
>
> Looks like this SDK doesn't actually contain a full copy of Python, just the pieces to make what you have in the SDK
> work (theoretically, at least).  This is why we add python3-modules to the buildtools-tarball, so if you want your SDK
> to ship its own complete Py3 runtime then add python3-core python3-modules to it.

What would be the best way to do that?

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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