[Buildroot] Bash string manipulation in Kconfig

Stefan Fröberg stefan.froberg at petroprogram.com
Mon Sep 3 20:12:36 UTC 2012


3.9.2012 23:07, Yann E. MORIN kirjoitti:
> Stefan, All,
>
> On Monday 03 September 2012 21:53:52 Stefan Fröberg wrote:
>> 3.9.2012 22:08, Thomas Petazzoni kirjoitti:
>>> Le Mon, 03 Sep 2012 21:56:31 +0300,
>>> Stefan Fröberg <stefan.froberg at petroprogram.com> a écrit :
>>>
>>>> But how to do similar in buildroot  .mk files ???
>>> 	$(notdir $(FOO))
>>>
>>> Thomas
>> One more question:
>>
>> Why does not the following work ?
>>
>> FULL_DOWNLOAD_URL=http://www.somedomain.com/blah/blah/somefile1
>> FULL_DOWNLOAD_URL+=http://www.somedomain2.com/blah2/blah2/blah/somefile2
>>
>> for i in $(FULL_DOWNLOAD_URL);do \
>>     echo $(notdir $$i) ; \
>> done
>>
>> I expect it to print:
>>
>> somefile1
>> somefile2
>>
>> But it prints instead:
>>
>> http://www.somedomain.com/blah/blah/somefile1
>> http://www.somedomain2.com/blah2/blah2/blah/somefile2
> That's because $(notdir ...) is onterpreted by make, while $i is
> interpreted by the shell.
>
> In your case, you'd want to use the shell constrcut:
>   for i in $(FULL_DOWNLOAD_URL);do \
>       echo $${i##*/} ; \
>   done
>
> Regards,
> Yann E. MORIN.
>
Ah... I see
Thanks Yann!
And Thanks Thomas!

These shell-make mixing is so confusing ....

Stefan







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