[kbuild-all] [arm:for-next 9/11] awk: line 2: function strtonum never defined

[Russell King - ARM Linux]

On Tue, Oct 03, 2017 at 06:28:30PM +0800, Fengguang Wu wrote:
> On Tue, Oct 03, 2017 at 06:05:40PM +0800, Fengguang Wu wrote:
> >Hi Russell King,
> >
> >On Tue, Oct 03, 2017 at 10:06:42AM +0100, Russell King - ARM Linux wrote:
> >>Shall I repeat my question from the last time this was reported?
> >
> >Sorry I cannot find your reply in email archive. Looking at this
> >error, the root cause should be strtonum requires gawk while what we
> >installed is
> >
> >       mawk 1.3.3 Nov 1996, Copyright (C) Michael D. Brennan
> >
> >We can trivially install gawk and make it the default, however is gawk
> >a requirement for kernel compilation? Or can we make it work with mawk,
> >too?
> 
> Well gawk/mawk both defined int(), however it behaves different:
> 
> wfg ~% mawk 'BEGIN{print int("0xff")}'
> 255
> wfg ~% gawk 'BEGIN{print int("0xff")}'
> 0
> wfg ~% gawk 'BEGIN{print strtonum("0xff")}'
> 255

So I don't think awk can be used reliably for this - there seems to be
no reliable way to convert hex to an integer in awk.

Maybe the easiest solution would be to switch to using perl instead -
at least perl is listed as a required tool, and perl's hex() function
will always be able to parse hex!

-- 
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