Re: [PATCH 4/7] cgcc: favor using 'gcc -dumpmachine' to determine specifics

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On Wed, Feb 20, 2019 at 05:17:29PM +0100, Uwe Kleine-König wrote:
> On 2/20/19 12:25 PM, Luc Van Oostenryck wrote:
> > On Wed, Feb 20, 2019 at 01:50:21AM +0000, Ramsay Jones wrote:
> >>
> >>
> >> On 17/02/2019 15:31, Luc Van Oostenryck wrote:
> >>> From: Uwe Kleine-König <uwe@xxxxxxxxxxxxxxxxx>
> >>>
> >>> `uname -m` returns information about the host machine but this
> >>> information is useless when cgcc is used with a non-native compiler.
> >>> In this case it's information about the target machine that is needed.
> >>>
> >>>   [This can happen when cross compiling or (more
> >>>    common) if you are running a 32 bit userspace on a 64 bit kernel. The
> >>>    latter makes sparse fail to build on some machines of the Debian build
> >>>    farm as for example some armhf builder run on arm64 kernels.]
> >>>>    This patch is only lightly tested and also misses details for mips* and
> >>
> >> missing [ and ...
> >>>    so marked as RFC.]
> >>
> >> probably should be removed completely, since it is no longer
> >> an RFC?
> > 
> > I still consider it more or less as RFC since it's lack some testing.
> > And since it started from Uwe's patch for Debian builds, I would
> > prefer to hear his opinion about it first.
> 
> Do you have this in a branch somewhere to pull? Then I can give it a go
> on a few Debian porter machines.

That would be wonderful. I've put the branch at:
  git://git.kernel.org/pub/scm/devel/sparse/sparse-dev.git cgcc-dumpmachine-v2

It's the same as the patches posted here but:
*) with the last 2 patches removed
*) with Ramsay's comments taken in account
*) rebased on top of the current master.

Best regards,
-- Luc



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