Re: [gentoo-dev] News Item for changes in the MIPS profiles.

[Anthony G. Basile]

On 09/30/14 14:30, Anthony G. Basile wrote:
> Hi everyone,
>
> Can you please review the following news item.  The item is
> self-explanatory.  The only thing I'm iffy about is whether or not I
> should specify a date (Oct 11) for when I'm going to make the switch
> --- or should I just push the news item out the day I do make the
> changes?
>
> Title: Restructure of mips profiles
> Author: Anthony G. Basile <rhill@g.o>
> Content-Type: text/plain
> Posted: 2014-09-29
> Revision: 1
> News-Item-Format: 1.0
> Display-If-Keyword: mips
> Display-If-Installed:sys-libs/glibc
>
> To accomodate the new multilib approach in Gentoo, the mips profiles
> will be
> changing on Oct 11, 2014.  The new profile structure will be as follows:
>
>   [1]   default/linux/mips/13.0/o32
>   [2]   default/linux/mips/13.0/n32
>   [3]   default/linux/mips/13.0/n64
>   [4]   default/linux/mips/13.0/multilib/o32
>   [5]   default/linux/mips/13.0/multilib/n32
>   [6]   default/linux/mips/13.0/multilib/n64
>   [7]   default/linux/mips/13.0/mipsel/o32
>   [8]   default/linux/mips/13.0/mipsel/n32
>   [9]   default/linux/mips/13.0/mipsel/n64
>   [10]  default/linux/mips/13.0/mipsel/multilib/o32
>   [11]  default/linux/mips/13.0/mipsel/multilib/n32
>   [12]  default/linux/mips/13.0/mipsel/multilib/n64
>   [13]  hardened/linux/musl/mips
>   [14]  hardened/linux/musl/mips/mipsel
>   [15]  default/linux/uclibc/mips
>   [16]  hardened/linux/uclibc/mips
>   [17]  default/linux/uclibc/mips/mipsel
>   [18]  hardened/linux/uclibc/mips/mipsel
>
> There are a few points to note about the change:
>
> 1) Only the glibc profiles (1-12) are affected.  The embedded system
> profiles
> (13-18) will not change.
>
> 2) The glibc profiles will now explicitly state the ABIs.  In the case of
> non-multilib systems (1-3, 7-9) the stated ABI will be the only ABI
> available,
> while in the case of multilib systems (4-6, 10-12) the stated ABI will
> be the
> default ABI, and the others will be available by setting ABI_MIPS in
> make.conf.
>
> 3) Profiles 1 and 7 are strictly 32-bit userland, but can run under
> either a
> 32-bit or 64-bit kernel.  They will have CHOST =
> mips-unknown-linux-gnu and
> mipsel-unknown-linux-gnu, respectively.  All the other glibc profiles
> (2-6, 8-12)
> are 64-bits userland and will have CHOST = mips64-unknown-linux-gnu or
> mips64el-unknown-linux-gnu.
>
> 4) Only users of profiles 1 and 7 need to change their profiles sym
> links using
> `eselect profile`.  However, all users should be aware of the CHOST
> value on
> their system to ensure it remains unchanged after the profile updates.
>

Okay except for the cut-paste error on my email address (sorry Ryan!), 
no one really had any objections.  I pinged the mips members in 
#gentoo-mips and they all seemed okay with it.  We did have a discussion 
before this on mips@g.o.  I'll push it out later.  Last chance to object!

-- 
Anthony G. Basile, Ph.D.
Gentoo Linux Developer [Hardened]
E-Mail    : blueness@g.o
GnuPG FP  : 1FED FAD9 D82C 52A5 3BAB  DC79 9384 FA6E F52D 4BBA
GnuPG ID  : F52D4BBA