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Re: Bug with intermediate files?


From: ali hagigat
Subject: Re: Bug with intermediate files?
Date: Tue, 9 Nov 2010 12:07:37 +0330

Paul,
You are mistaken, because if you remove:
.INTERMEDIATE: my.gch
Make will consider my.gch as an intermediate file! please look at the
result by make:

kkkkkkkk
hhhhhhhhhh
rm my.gch

On Mon, Nov 8, 2010 at 5:06 PM, Paul Smith <address@hidden> wrote:
> On Mon, 2010-11-08 at 09:21 +0330, ali hagigat wrote:
>> .INTERMEDIATE does not work correctly:
>>
>> The following makefile is run with:
>> root> make my.all
>> Why the file, my.gch is created (it is not removed!) while it is an
>> intermediate file?
>>
>> .INTERMEDIATE: my.gch
>> %.all: %.gch
>>       address@hidden hhhhhhhhhh
>> %.gch:
>>       address@hidden kkkkkkkk
>>       address@hidden $@
>
> Please choose just one mailing list.
>
> I'm not sure I agree with your assessment that GNU make is not working
> correctly, although I do agree that this behavior is a gray area and not
> well-described by the manual.
>
> For GNU make, a target that has no prerequisites is out of date if and
> only if the target does not exist.  An intermediate file is a target
> that is a link between two other targets, where if the first is newer
> than the last, the middle does not need to be built.
>
> What does that mean for this case where there is no "last" target?
> Obviously make will not consider that file to be intermediate on its
> own, but can a file with no prerequisites be treated as intermediate if
> you explicitly declare it to be so?
>
> The answer, based on GNU make's behavior, appears to be no it can't.
>
> --
> -------------------------------------------------------------------------------
>  Paul D. Smith <address@hidden>          Find some GNU make tips at:
>  http://www.gnu.org                      http://make.mad-scientist.net
>  "Please remain calm...I may be mad, but I am a professional." --Mad Scientist
>
>



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