[yocto] Difference of toolchain recipes

[Rifenbark, Scott M]

I think what I am going to do is document these in general as part of the "Terms" section in the YP Development Manual where the term "Cross-Development Toolchain" is defined.  Would putting such a high-level list in the YP documentation be unnecessary or helpful?

Scott

>-----Original Message-----
>From: yocto-bounces at yoctoproject.org [mailto:yocto-
>bounces at yoctoproject.org] On Behalf Of Mark Hatle
>Sent: Thursday, December 06, 2012 10:05 AM
>To: yocto at yoctoproject.org
>Subject: Re: [yocto] Difference of toolchain recipes
>
>On 12/6/12 4:00 AM, Luo Zhenhua-B19537 wrote:
>> Can anybody shed some light, please?
>>
>>
>> Best Regards,
>>
>> Zhenhua
>>
>>
>>> -----Original Message-----
>>> From: Luo Zhenhua-B19537
>>> Sent: Tuesday, December 04, 2012 11:53 AM
>>> To: openembedded-core at lists.openembedded.org;
>'yocto at yoctoproject.org'
>>> Subject: Difference of toolchain recipes
>>>
>>> It is a bit confused for the different recipes of toolchian, can
>somebody
>>> help to explain what's the difference for those recipes? E.g. gcc-
>cross,
>>> gcc-cross-canadian, gcc-cross-initial, gcc-cross-intermediate, gcc-
>>> crosssdk, gcc-crosssdk-initial, gcc-crosssdk-intermediate, gcc-
>runtime,
>>> etc.
>
>gcc-cross-initial - This is the initial compiler needed to bootstrap the
>toolchain to build software on the host for the target.  (This is a
>'native'
>package.)
>
>gcc-cross-intermediate - This is the second stage of the bootstrap
>process to
>build software on the host for the target. (This is a 'native' package.)
>
>gcc-cross - this is the the final stage of the bootstrap process, and
>results in
>the cross compiler to build software on the host for the target.  (This
>is a
>'native' package.)  If you are replacing the cross compiler toolchain
>with a
>custom version, this is what you must replace.
>
>gcc-runtime - these are the runtime libraries, but from the toolchain
>bootstrapping process.  This results in a 'target' binary.
>
>gcc-crosssdk-initial/intermediate - stage 1 and 2 of the a cross
>compiler to
>build from the 'host' to the 'sdk'.  Often the SDK is not the same
>target as the
>host.  (This is a 'native' binary.)
>
>gcc-crosssdk - this the final stage of the SDK compiler.  Again, this is
>to
>build on the host, for the sdk.  This is a 'native' binary.
>
>gcc-cross-canadian - This is the compiler included with the SDK to build
>on the
>SDK machine creating software for the target.  This is an 'nativesdk'
>package.
>
>>> Is there any document for those description?
>
>Not that I know of.. It's one of those things that you kind of need to
>know in
>order to work with it.  It likely should be documented somewhere
>officially.
>
>--Mark
>
>>>
>>>
>>> Best Regards,
>>>
>>> Zhenhua
>>
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