Hello Loïc,
2010/7/25, Loïc Minier <l...@dooz.org>:
> On Sun, Jul 25, 2010, Hector Oron wrote:
>> Sysroot is everybody's way to cross compile in world but us (Debian)
>> if multiarch aims to be a fit-all solution it should be relevant, if
>> it is not, either you might misunderstood sysroot rationale or I just
>> should be stop loosing time on multiarch. Maybe multiarch just needs
>> to setup sysroot=/ and change FHS for upstreams to follow, which it is
>> not something it happens in couple months.
a couple of months... to my concern for "Squeeze release".
> Cross-compiling with the current sysroot implementation does not allow
> picking up libs and headers from FHS or multiarch pathnames, e.g. if I
> create an armel chroot, I can't point my cross-compiler at it and have
> it pick up target headers/libs from there, even with sysroot.
That depends very much on the path layout. For sysroot paths would be:
${SYSROOT}/usr/lib
${SYSROOT}/usr/include
where ${SYSROOT} can be anything and it is relocatable.
Surely, FHS needs to be revisited for multiple architecture support,
they unhelpfully picked up /lib64 by the time they discussed this
issue.
To have multiarch paths,
/usr/lib/$triplet
/usr/include/$triplet
where $triplet is Debian triplet or any new name it comes up from ABI,
subarches support.
Surely you can patch FSF GCC or/and other compilers to support that a
approach and still does not affect sysroot (just add ${SYSROOT} as
prefix), but that decission is not to be taken on a Debian forum, but
on FHS forums. IMO nothing we can do before releasing Squeeze.
> Using Debian as a build environment with a cross-compiler and sysroot
> to generate a target rootfs is fine, but it's not very well suited for
> generating a target Debian rootfs.
Do you mind to expand why is not well suited for generating a target
Debian rootfs?
In your opinion, what should we ship as cross compiling framework for
Squeeze release?
Kind regards,
--
Héctor Orón
"Our Sun unleashes tremendous flares expelling hot gas into the Solar
System, which one day will disconnect us."
-- Day DVB-T stop working nicely
Video flare: http://antwrp.gsfc.nasa.gov/apod/ap100510.html
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