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Re: Patch - Debug builds without optimization

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, Greg Smith <greg(at)2ndQuadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Patch - Debug builds without optimization
Date: 2011-11-30 00:13:49
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Lists: pgsql-hackers
Tom Lane wrote:
> Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> > On tis, 2011-11-29 at 16:32 -0500, Bruce Momjian wrote:
> >> I have applied the attached patch to help make suggestsions for server
> >> developers.  I didn't reproduce most of the text because it was already
> >> listed with the options.  Let me know if you want additional text.
> > Advising "server developers" to use CFLAGS="-O0 -g", without
> > qualification, is dangerous, in my mind, because that loses a lot of
> > compiler checks.  The only reason to use -O0 is when you really need to
> > debug something in single steps and you can't make sense of it any other
> > way.
> Yes.  -O0 is really a pretty horrid default choice, and we should NOT be
> recommending it, especially not with no discussion of the disadvantages.

I have applied the attached patch to mention the debugger.  OK?

  Bruce Momjian  <bruce(at)momjian(dot)us>

  + It's impossible for everything to be true. +

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