From: Baruch Siach <baruch@tkos.co.il>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH v3] protobuf: fix build for some unsupported architectures
Date: Fri, 9 May 2014 08:11:43 +0300 [thread overview]
Message-ID: <20140509051143.GP3861@tarshish> (raw)
In-Reply-To: <87k39waqoh.fsf@dell.be.48ers.dk>
Hi Peter,
On Thu, May 08, 2014 at 11:47:26PM +0200, Peter Korsgaard wrote:
> >>>>> "Baruch" == Baruch Siach <baruch@tkos.co.il> writes:
>
> >> So it looks like we need to tweak the arch list a bit.
>
> > The generic internal atomic ops implementation (which is used to fix
> > powerpc build) is using the gcc feature of "memory model aware atomic
> > operations". These were introduced in gcc 4.7, while the Sourcery
> > toolchain is gcc 4.5. I don't see a straightforward way to depend on
> > gcc version like we have for kernel headers. Any ideas?
>
> Hmm, not really - No :/ So that makes the patch less interesting :/
OK. So we are only left with x86, ARM and MIPS.
BTW, how do we handle host architecture dependencies? This is applicable to
http://autobuild.buildroot.net/results/20b/20b1d279b12176c0dcbaa8b5f170f6c8a55eb6da/
(PowerPC host).
baruch
--
http://baruch.siach.name/blog/ ~. .~ Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
- baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -
prev parent reply other threads:[~2014-05-09 5:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-08 13:06 [Buildroot] [PATCH v3] protobuf: fix build for some unsupported architectures Baruch Siach
2014-05-08 19:46 ` Peter Korsgaard
2014-05-08 20:48 ` Baruch Siach
2014-05-08 21:47 ` Peter Korsgaard
2014-05-09 5:11 ` Baruch Siach [this message]
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