*BSD News Article 55827


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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Possible FAQ Question
Date: 30 Nov 1995 21:49:06 GMT
Organization: Private BSD site, Dresden
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References: <DIqKqA.5G8@ritz.mordor.com>
Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
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ritz@ritz.mordor.com (Chris Mauritz) writes:

> When one does a "make world" is there a way to include a couple
> of standard CFLAGS for all the makefiles?  Specifically, I'd like

/etc/make.conf

> to -O3 -m486 everything as the machine is a P100.  Firstly, is
> there a way to do this?  Secondly, is there any reason why I should
> NOT do this?

-O2 is known to be broken on the i386 architecture, when used without
-fno-strength-reduce.  That's why the default optimization is only -O.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)