[U-Boot] [PATCH] env: don't generate callback list entries for SPL

Joe Hershberger joe.hershberger at gmail.com
Mon Dec 17 21:11:42 CET 2012


Hi Tom,

On Mon, Dec 17, 2012 at 1:58 PM, Tom Rini <trini at ti.com> wrote:
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> On 12/17/12 14:55, Wolfgang Denk wrote:
>> Dear Tom,
>>
>> In message <50CF6EA8.4050200 at ti.com> you wrote:
>>>
>>> Since I'd assume 'sort' in make isn't sort -u, I'm not sure how
>>> it's filtering out the dupes unless we don't really need it
>>> afterall, am335x_evm builds with CONFIG_SPL_NET_SUPPORT enabled.
>>> I'm curious now, so I'm poking it.
>>
>> Wrong assumption.
>>
>> RTFM shows:
>>
>> `$(sort LIST)' Sorts the words of LIST in lexical order, removing
>> duplicate words.  The output is a list of words separated by single
>> spaces. Thus,
>>
>> $(sort foo bar lose)
>>
>> returns the value `bar foo lose'.
>>
>> Incidentally, since `sort' removes duplicate words, you can use it
>> for this purpose even if you don't care about the sort order.

Not only can you, that's the only reason it's added to those Makefiles.

> Which means the Makefile is just a tad messy instead, thanks.

-Joe


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