Re: [PATCH 1/2] deb-pkg: Add automatic support for armhf architecture

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On Tue, 2013-10-08 at 02:23 +0200, Hector Oron wrote:
> Hello,
> 
> 2013/10/6 Ben Hutchings <ben@xxxxxxxxxxxxxxx>:
> > The Debian armhf architecture uses the ARM EABI hard-float variant,
> > whereas armel uses the soft-float variant.  Although the kernel
> > doesn't use FP itself, CONFIG_VFP must be enabled to support
> > hard-float userland and will probably be disabled when supporting a
> > soft-float userland.  So set the architecture to armhf by default when
> > CONFIG_AEABI and CONFIG_VFP are both enabled.
> 
> Debian armel userland can be run on any device, so it is suggested to
> better rely on toolchain configuration rather than kernel config
> symbols.
> 
> For arm-gnueabi(hf) toolchain something like:
>   $ gcc -dumpspecs | grep multilib_defaults -A2 | grep -q soft && echo
> "This is armel"
>   $ gcc -dumpspecs | grep multilib_defaults -A2 | grep -q hard && echo
> "This is armhf"
> could be checked instead.
[...]

Is the output of -dumpspecs really so stable that this is going to be
reliable?

Ben.

-- 
Ben Hutchings
Beware of bugs in the above code;
I have only proved it correct, not tried it. - Donald Knuth

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