Gentoo Logo
Gentoo Spaceship




Note: Due to technical difficulties, the Archives are currently not up to date. GMANE provides an alternative service for most mailing lists.
c.f. bug 424647
List Archive: gentoo-dev
Navigation:
Lists: gentoo-dev: < Prev By Thread Next > < Prev By Date Next >
Headers:
To: gentoo-dev@g.o
From: Mike Frysinger <vapier@g.o>
Subject: Re: Re: [gentoo-dev-announce] debug USE flag misuse
Date: Fri, 2 Jul 2010 17:17:52 -0400
On Friday, July 02, 2010 16:39:57 Ryan Hill wrote:
> On Fri, 2 Jul 2010 15:29:44 +0200 (CEST) Vaeth wrote:
> > Ryan Hill wrote:
> > > If your build system sets -ffast-math or -fstrict-aliasing
> > > then the user can disable this by setting -fno-fast-math
> > > or -fno-strict-aliasing in their CFLAGS.
> > 
> > Just because some flags have "counter"-flags by accident,
> > this does not hold for all flags. It is more reasonable to have
> > other means that the flags are not modified in the first place.
> 
> I can't think of any flags that don't have a corresponding counter flag,
> other than -m flags.  At least, all -f and -W flags have opposite -fno and
> -Wno versions, even if they're not explicitly documented.

and this isnt "by accident", this is in the fundamental design of gcc argument 
processing.  the only -f/-W flags that lack this are rare exceptions.
-mike
Attachment:
signature.asc (This is a digitally signed message part.)
References:
Re: [gentoo-dev-announce] debug USE flag misuse
-- Vaeth
Re: [gentoo-dev-announce] debug USE flag misuse
-- Vaeth
Re: [gentoo-dev-announce] debug USE flag misuse
-- Ryan Hill
Navigation:
Lists: gentoo-dev: < Prev By Thread Next > < Prev By Date Next >
Previous by thread:
Re: [gentoo-dev-announce] debug USE flag misuse
Next by thread:
Re: [gentoo-dev-announce] debug USE flag misuse
Previous by date:
Re: [gentoo-dev-announce] debug USE flag misuse
Next by date:
Re: Gentoo Council 2010/2011 - Voting - Reminder


Updated Jun 29, 2012

Summary: Archive of the gentoo-dev mailing list.

Donate to support our development efforts.

Copyright 2001-2013 Gentoo Foundation, Inc. Questions, Comments? Contact us.