Re: --enable-debug does not work with gcc
От | Magnus Hagander |
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Тема | Re: --enable-debug does not work with gcc |
Дата | |
Msg-id | 45C3865B.1080000@hagander.net обсуждение исходный текст |
Ответ на | Re: --enable-debug does not work with gcc (Bruce Momjian <bruce@momjian.us>) |
Ответы |
Re: --enable-debug does not work with gcc
Re: --enable-debug does not work with gcc |
Список | pgsql-hackers |
>> If we did what you suggest, then --enable-debug would cause performance >> degradation, which would cause people to not use it, which would result >> in most binaries being completely undebuggable rather than only partially. >> Doesn't sound like a good tradeoff to me. >> >> Personally, in my development tree I use a Makefile.custom containing >> >> # back off optimization unless profiling >> ifeq ($(PROFILE),) >> CFLAGS:= $(patsubst -O2,-O1,$(CFLAGS)) >> endif >> >> -O1 still generates "uninitialized variable" warnings but the code is a >> lot saner to step through ... not perfect, but saner. It's been a >> workable compromise for a long time. I don't recommend developing with >> -O0, exactly because it disables some mighty valuable warnings. > > Agreed. I use -O1 by default myself, unless I am doing performance testing. > Something for the developers FAQ perhaps? I confess I did not know of Makefile.custom :-D //Magnus
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