Re: Is the :u behaves normal or not (a bug) in the make?

From: Jeremy Messenger <mezz.freebsd_at_gmail.com>
Date: Thu, 26 Jul 2012 17:16:16 -0500
On Thu, Jul 26, 2012 at 5:10 PM, Olli Hauer <ohauer_at_freebsd.org> wrote:
> On 2012-07-26 22:11, Jeremy Messenger wrote:
>> Hello all,
>>
>> While I was working on add the :build/:run feature in the
>> bsd.gnome.mk. I got a bug where it will running some dependencies got
>> duplicate. Thanks to the make(1) that shows me the :u feature to get
>> rid of the duplicates. But it doesn't exactly help unless I use the :O
>> to get the words in order to make the :u works. I am not sure if it's
>> just limited on how it works (normal) or it's a bug. Here's an example
>> test:
>>
>> -----------------------------
>> USE_TEST=     foo bar bar foobar foo
>> USE_TEST1=    foo bar bar foobar foo
>>
>> test:
>>       _at_${ECHO_CMD} "USE_TEST: " ${USE_TEST:u}
>>       _at_${ECHO_CMD} "USE_TEST1: " ${USE_TEST1:O:u}
>> -----------------------------
>>
>> Here's result:
>> -----------------------------
>> # make test
>> USE_TEST:  foo bar foobar foo
>> USE_TEST1:  bar foo foobar
>> -----------------------------
>
>
> It's normal, from man(1) make
>  u  Remove adjacent duplicate words (like uniq(1)).
>
> from man(1) uniq
>  Repeated lines in the input will not be detected if they are
>  not adjacent, so it may be necessary to sort the files first.

Damn it, I missed that line! :-P Thanks!

Cheers,
Mezz


> --
> Regards,
> olli


-- 
mezz.freebsd_at_gmail.com - mezz_at_FreeBSD.org
FreeBSD GNOME Team
http://www.FreeBSD.org/gnome/ - gnome_at_FreeBSD.org
Received on Thu Jul 26 2012 - 20:16:18 UTC

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