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Re: behavior on Win depends on whether \ or / is used??


From: Eli Zaretskii
Subject: Re: behavior on Win depends on whether \ or / is used??
Date: Sat, 02 Jan 2010 10:43:07 +0200

Ping!

Paul, could you please answer the question I asked in this thread (and
Mark repeats a variant of it below)?

TIA

> From: "Mark Galeck (CW)" <address@hidden>
> Date: Tue, 15 Dec 2009 10:25:08 -0800
> Accept-Language: en-US
> acceptlanguage: en-US
> 
> OK, I understand now Eli's reasons of assigning "failure" and "success".  
> Thank you.  
> 
> So now your question to Paul is this, let me rephrase myself:
> 
> SHELL=cmd.exe
>               
> vpath %.s foobar0 foobar1
> 
> %.o: %.s
>               echo $<
>               
> foobar0/foobar.s:
> 
> (and as always, foobar.s only in foobar1, not in foobar0).  
> 
> 
> Here, the current behavior of make is 
> 
> C:\tmp>make foobar.o
> echo foobar0/foobar.s
> 
> How can this possibly be "correct"??  GNU make manual only states that for 
> the rule with no commands or prerequisites, make "imagines" the target has 
> been updated, even if it does not exist.  People are using this property, to 
> prevent failure if the file does not exist, for example, for 
> auto-dependencies in the well-known website 
> 
> http://make.paulandlesley.org/autodep.html
> 
> This is not going to work, if make still found foobar0/foobar.s after  the 
> user deleting it.  
> 
> Mark
> 
> 




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