Re: Patch - Debug builds without optimization
Bruce Momjian <bruce@momjian.us>
From: Bruce Momjian <bruce@momjian.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Peter Eisentraut <peter_e@gmx.net>, Greg Smith <greg@2ndQuadrant.com>, pgsql-hackers@postgresql.org
Date: 2011-11-30T00:13:49Z
Lists: pgsql-hackers
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Tom Lane wrote: > Peter Eisentraut <peter_e@gmx.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@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. +