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Re: Weird performance problem


From: Leandro Lucarella
Subject: Re: Weird performance problem
Date: Thu, 15 Jul 2010 12:16:52 -0300
User-agent: Mutt/1.5.20 (2009-06-14)

Harvey Chapman, el 15 de julio a las 11:00 me escribiste:
> On Jul 15, 2010, at 10:34 AM, David Boyce wrote:
> 
> > On Wed, Jul 14, 2010 at 2:03 PM, Leandro Lucarella <address@hidden> wrote:
> >> Just to clarify, I included the shell in the command invocation to try
> >> different shells:
> >> 
> >> all:
> >>        bash -c 'program'
> >> 
> >> For example.
> > 
> > This may not do what you think though - the result *could* be to execute
> > 
> >    /bin/sh -c "bash -c 'program'"
> > 
> > The way to change shells is to set "SHELL := /bin/bash" in the Makefile.
> 
> As I recommended privately, I would check the following just to make 
> absolutely sure about your environment.
> 
> $ set > set_shell.txt
> $ cat Makefile
> SHELL:=/bin/bash
> 
> set_make.txt:
>       set > set_make.txt
> $ make
> set > set_make.txt
> $ diff set_shell.txt set_make.txt
> ...

As I said privately, I tried env -i command and verified using strace
that the exec() call was passing an empty environment to the program, and
still got the same odd results, so environment variables doesn't seem to
be the problem.

But thanks again for the suggestion!

-- 
Leandro Lucarella (AKA luca)                     http://llucax.com.ar/
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De las generaciones venideras espero, nada más, que vengan.
        -- Ricardo Vaporeso



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