Re: Call for port reports

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От Bruce Momjian
Тема Re: Call for port reports
Дата
Msg-id 200310242146.h9OLkVr03347@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: Call for port reports  (Peter Eisentraut <peter_e@gmx.net>)
Ответы Re: Call for port reports  (Peter Eisentraut <peter_e@gmx.net>)
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Peter Eisentraut wrote:
> Bruce Momjian writes:
> 
> > > BUT: The default CFLAGS are set by configure to -O2, although the template
> > > wants -O.  I manually modified the CFLAGS to -O after configure.
> >
> > template/alpha has:
> >
> >     case $host_cpu in
> >       alpha*)   CFLAGS="$CFLAGS -O";;  # alpha has problems with -O2
> >     esac
> >
> > Is this not getting invoked?
> 
> It appends it at the end, but apparently the result of '-02 ... -O' is
> -O2.  So the compiler still yells at you every time that -O2 is broken in
> that platform.
> 
> Right now, the default CFLAGS are pretty much broken on most platforms, so
> I'm testing by manually specifying the CFLAGS that should be used.

Wow, later optimization flags don't override earlier ones.  Yikes!

Does -O0 override an earlier -O2?  I wonder if it is just complaining
when it sees -O2 and is actually using -O for the compile.   We still
need to fix that, but I am curious.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


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