[OE-core] libs transition /usr/lib -> /lib questions

[Koen Kooi]

Op 6 jan. 2012, om 17:16 heeft Richard Purdie het volgende geschreven:

> On Fri, 2012-01-06 at 09:04 -0700, Chris Larson wrote:
>> On Fri, Jan 6, 2012 at 8:59 AM, Mark Hatle <mark.hatle at windriver.com> wrote:
>>> On 1/6/12 4:34 AM, Koen Kooi wrote:
>>>> 
>>>> 
>>>> Op 6 jan. 2012, om 11:09 heeft Martin Jansa het volgende geschreven:
>>>> 
>>>>> FWIW today I've noticed that systemd is going other way around
>>>>> http://www.freedesktop.org/wiki/Software/systemd/separate-usr-is-broken
>>>> 
>>>> 
>>>> And http://fedoraproject.org/wiki/Features/UsrMove
>>>> 
>>>> I guess it's time to publish my angstrom branch doing that after the
>>>> holidays :)
>>> 
>>> 
>>> I respectfully disagree with both of the above URLs.
>>> 
>>> The root partition is still very useful as a "small" set of applications and
>>> libraries required for booting.
>>> 
>>> Most systems these days contain a combined root and usr partition, which is
>>> fine.  However, there are a lot of systems that I've worked on in the past
>>> and I expect in the future that, root being a small R/O system is necessary.
>>> 
>>> initramfs can solve some problems, but introduces other issues.  Many of the
>>> systems I've worked on simple don't have enough flash to be able to store
>>> the bootloader, kernel and an initramfs [as well as other system items
>>> required by the devices].  In this case a base rootfs makes the most sense.
>> 
>> In my opinion, what's proposed in the two links is a good thing even
>> for embedded. Not that we'd use that structure necessarily, but
>> removing the usr vs non-usr separation for binaries and libs is a good
>> thing regardless. Putting /usr in the rootfs still would still work
>> fine, or you could drop usr entirely and move everything to / the way
>> micro does.
> 
> The nice thing is we have a system which can actually support the
> different options relatively easily and without much conflict.

Except that things like fs-perms.txt store hardcoded values :(