Re: --enable-debug does not work with gcc

Added to developer's FAQ:

<P><I>src/Makefile.custom</I> can be used to set environment variables,
like <I>CUSTOM_COPT</I>, that are used for every compile.

---------------------------------------------------------------------------

Magnus Hagander wrote:
> >> 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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