Gentoo Archives: gentoo-dev

From: "Robin H. Johnson" <robbat2@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Re: [RFC] CFLAGS paragraph for the GWN
Date: Sat, 30 Sep 2006 21:55:21
Message-Id: 20060930215242.GK26289@curie-int.orbis-terrarum.net
In Reply to: [gentoo-dev] Re: [RFC] CFLAGS paragraph for the GWN by Ryan Hill
On Sat, Sep 30, 2006 at 03:48:53PM -0600, Ryan Hill wrote:
> Lionel Bouton wrote: > > There are already good resources (http://gentoo-wiki.com/CFLAGS_matrix > > was mentioned to me by robbat2) but they may not be advertised enough. > Most of the info on that page is wrong.
The items on there that note breakages are reasonably correct. -fvisibility=hidden and -ffast-math DO cause breakages. -ftree-loop-linear likewise is broken on GCC4.1 last I checked.
> > I'd like to propose a paragraph to the GWN editor which presents some > > gotchas and good references on the subject. > Honestly, the only good reference is the Safe CFLAGS page.
The objective here was mainly to point out some things that users are doing that are causing breakages, leading to bugs that are ultimately marked INVALID after much tracing. -- Robin Hugh Johnson E-Mail : robbat2@g.o GnuPG FP : 11AC BA4F 4778 E3F6 E4ED F38E B27B 944E 3488 4E85

Replies

Subject Author
[gentoo-dev] Re: [RFC] CFLAGS paragraph for the GWN Ryan Hill <dirtyepic.sk@×××××.com>