[gentoo-powerpc] Re: RFC: new profiles for ppc64le

[gentoo-powerpc] Re: RFC: new profiles for ppc64le

[Leno Hou]

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make.defaults should be CHOST="powerpc64le-linux-gnu"
make.conf should be CHOST="powerpc64le-unknown-linux-gnu"

*Leno Hou*
E-mail :  lenohou@gmail.com


On Wed, Oct 28, 2015 at 2:30 AM, Anthony G. Basile <blueness@gentoo.org>
wrote:

> Hi everyone,
>
> I'm going to implement the following sometime today.  I know this doesn't
> match what Kevin, Leno and Linda have done, but it does mesh with our
> standards in Gentoo and it should be easy for either their team or me to
> change over the CHOST once we get the osuosl ppc64le slice.  The profile
> change should be transparent.
>
> Any last minute objections?
>
>
>
> On 10/23/15 6:58 PM, Anthony G. Basile wrote:
>
>> Hi Leno and ppc team,
>>
>> I received a pull request from Leno Hou on github.  The pr is
>> https://github.com/gentoo/gentoo/pull/271.  There are a few issues we
>> should discuss about that commit and I don't want to do it on github.
>> Important discussions belong on gentoo infra.
>>
>> 1) The PR included a commit against eclass/golang-base.eclass. Obviously
>> this can't go in that way since it affects all of gentoo, not just
>> ppc64le.  I can help Leno out with that commit later.
>>
>> 2) The CHOST name specified in the make.defaults should be
>> CHOST="powerpc64le-linux-gnu".  We should follow the rest of Gentoo's
>> convention with respect to the tuple and use
>> CHOST="powerpc64le-unknown-linux-gnu"  This is identical to the big endian
>> ppc64 CHOST with le after powerpc64. While the tuple doesn't necessarily
>> need the -unknown- it is a de facto standard that we don't want to break in
>> Gentoo because I'm sure there stuff that assumes it.
>>
>> 3) Leno is suggesting we add the usual directories
>>
>> profiles/arch/powerpc/ppc64/little-endian
>> profiles/default/linux/powerpc/ppc64/13.0/64bit-userland/little-endian
>>
>> I'd like to change the first one to profiles/arch/powerpc/ppc64/64le to
>> fit the naming of the other ppc64 subdirs.  It should not affect his
>> stage3.  (The CHOST change will.)
>>
>> 4) I'm not at all happy with the stacking of the ppc64 profiles in
>> general, but we may be stuck with it.  Currently
>> default/linux/powerpc/ppc64/13.0/64bit-userland gives
>>
>> /usr/portage/profiles/base
>> /usr/portage/profiles/default/linux
>> /usr/portage/profiles/arch/base
>> /usr/portage/profiles/arch/powerpc
>> /usr/portage/profiles/default/linux/powerpc
>> /usr/portage/profiles/arch/base
>> /usr/portage/profiles/arch/powerpc
>> /usr/portage/profiles/arch/powerpc/ppc64
>> /usr/portage/profiles/default/linux/powerpc/ppc64
>> /usr/portage/profiles/releases
>> /usr/portage/profiles/releases/13.0
>> /usr/portage/profiles/default/linux/powerpc/ppc64/13.0
>> /usr/portage/profiles/features/64bit-native
>> /usr/portage/profiles/arch/base
>> /usr/portage/profiles/arch/powerpc
>> /usr/portage/profiles/arch/powerpc/ppc64
>> /usr/portage/profiles/arch/powerpc/ppc64/64ul
>> /usr/portage/profiles/default/linux/powerpc/ppc64/13.0/64bit-userland
>>
>> The new ppc64le profile as Leno proposes it (module my small
>> little-endian -> 64le change in arch) gives the same followed by the
>> following 5 lines
>>
>> (above plus ...)
>> /usr/portage/profiles/arch/base
>> /usr/portage/profiles/arch/powerpc
>> /usr/portage/profiles/arch/powerpc/ppc64
>> /usr/portage/profiles/arch/powerpc/ppc64/64el
>> /usr/portage/profiles/default/linux/powerpc/ppc64/13.0/64bit-userland/little-endian
>>
>>
>> Notice that the sequence arch/base -> arch/powerpc -> arch/powerpc/ppc64
>> is repeated 3 times.  I think I will stick with Leno's suggestion for now
>> since it extends what we already have, but at some point in the future, I'd
>> like to refactor these profiles to avoid the repetitions.
>>
>> 5) We need a line in profiles.desc which reads
>>
>> ppc64 default/linux/powerpc/ppc64/13.0/64bit-userland/little-endian dev
>>
>>
>> Any comments before I implement the above.  Leno, you don't need a new
>> pull request on github, just let me know if anything above is a bad idea.
>>
>>
>
> --
> Anthony G. Basile, Ph.D.
> Gentoo Linux Developer [Hardened]
> E-Mail    : blueness@gentoo.org
> GnuPG FP  : 1FED FAD9 D82C 52A5 3BAB  DC79 9384 FA6E F52D 4BBA
> GnuPG ID  : F52D4BBA
>
>

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[gentoo-powerpc] Re: RFC: new profiles for ppc64le

[Leno Hou]

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On Sat, Oct 24, 2015 at 6:58 AM, Anthony G. Basile <blueness@gentoo.org>
wrote:

>
> 1) The PR included a commit against eclass/golang-base.eclass. Obviously
> this can't go in that way since it affects all of gentoo, not just
> ppc64le.  I can help Leno out with that commit later.
>
>
The commit against with eclass/golang-base.eclass is:

Official Go compiler does not support Power platform. The primary
tool­chain for building Go programs on Power platform is GCC­GO. This is
available starting GCC version 5 onwards.


The latest portage works fine with this stage3-power8-201510.tar.bz2 [1]
[1]
https://drive.google.com/file/d/0B2k84p6709AyTFlwLUF1WjlxUk0/view?usp=sharing

*Leno Hou*
E-mail :  lenohou@gmail.com

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[gentoo-powerpc] Re: RFC: new profiles for ppc64le

[Leno Hou]

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On Wed, Oct 28, 2015 at 2:33 PM, Leno Hou <lenohou@gmail.com> wrote:

> On Sat, Oct 24, 2015 at 6:58 AM, Anthony G. Basile <blueness@gentoo.org>
> wrote:
>
>>
>> 1) The PR included a commit against eclass/golang-base.eclass. Obviously
>> this can't go in that way since it affects all of gentoo, not just
>> ppc64le.  I can help Leno out with that commit later.
>>
>>
> The commit against with eclass/golang-base.eclass is:
>
> Official Go compiler does not support Power platform. The primary
> tool­chain for building Go programs on Power platform is GCC­GO. This is
> available starting GCC version 5 onwards.
>
>
Patch has been sent for you.  so could you help me to review  and commit ?
[PATCH v1] enable gccgo for all platform




>
> The latest portage works fine with this stage3-power8-201510.tar.bz2 [1]
> [1]
> https://drive.google.com/file/d/0B2k84p6709AyTFlwLUF1WjlxUk0/view?usp=sharing
>
> *Leno Hou*
> E-mail :  lenohou@gmail.com
>
>

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